VN5E025AJ-E Single channel high-side driver with analog current sense for automotive applications Features Max supply voltage VCC 41 V Operating voltage range VCC 4.5 to 28 V Max On-State resistance RON 25 mΩ Current limitation (typ) ILIMH 60 A Off state supply current IS 2 µA(1) PowerSSO-12 – Reverse battery protected – Electrostatic discharge protection 1. Typical value with all loads connected. ■ ■ ■ General – Inrush current active management by power limitation – Very low stand-by current – 3.0 V CMOS compatible inputs – Optimized electromagnetic emissions – Very low electromagnetic susceptibility – In compliance with the 2002/95/EC european directive – Very low current sense leakage Diagnostic functions – Proportional load current sense – High current sense precision for wide currents range – Current sense disable – Off state openload detection – Output short to VCC detection – Overload and short to ground (power limitation) indication – Thermal shutdown indication Protections – Undervoltage shutdown – Overvoltage clamp – Load current limitation – Self limiting of fast thermal transients – Protection against loss of ground and loss of VCC – Over-temperature shutdown with autorestart (thermal shutdown) May 2010 Application ■ All types of resistive, inductive and capacitive loads ■ Suitable as LED driver Description The VN5E025AJ-E is a single channel high-side driver manufactured in the ST proprietary VIPower M0-5 technology and housed in the tiny PowerSSO-12 package. The VN5E025AJ-E is designed to drive 12 V automotive grounded loads delivering protection, diagnostics and easy 3 V and 5 V CMOS compatible interface with any microcontroller. The device integrates advanced protective functions such as load current limitation, inrush and overload active management by power limitation, over-temperature shut-off with autorestart and over-voltage active clamp. A dedicated analog current sense pin is associated with every output channel in order to provide Ehnanced diagnostic functions including fast detection of overload and short-circuit to ground through power limitation indication, over-temperature indication, short-circuit to VCC diagnosis and ONstate and OFF-state open load detection. The current sensing and diagnostic feedback of the whole device can be disabled by pulling the CS_DIS pin high to allow sharing of the external sense resistor with other similar devices Doc ID 13106 Rev 4 1/37 www.st.com 1 Contents VN5E025AJ-E Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 2.1 Absolue maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.1 GND protection network against reverse battery . . . . . . . . . . . . . . . . . . . 24 3.1.1 Solution 1: resistor in the ground line (RGND only) . . . . . . . . . . . . . . . . 24 3.1.2 Solution 2: diode (DGND) in the ground line . . . . . . . . . . . . . . . . . . . . . . 25 3.2 Load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.3 MCU I/O protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.4 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.4.1 3.5 4 Maximum demagnetization energy (VCC = 13.5V) . . . . . . . . . . . . . . . . . 28 Package and PC board thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.1 5 Short to VCC and OFF state open load detection . . . . . . . . . . . . . . . . . 27 PowerSSO-12 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.1 ECOPACK® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.2 PowerSSO-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 5.3 Packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2/37 Doc ID 13106 Rev 4 VN5E025AJ-E List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Switching characteristics (VCC=13V, Tj=25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Logic inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Protection and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Current sense (8V<VCC<18V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Openload detection (8V<VCC<18V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Electrical transient requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Thermal parameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 PowerSSO-12 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Doc ID 13106 Rev 4 3/37 List of figures VN5E025AJ-E List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Figure 35. Figure 36. Figure 37. Figure 38. Figure 39. Figure 40. Figure 41. 4/37 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Current sense delay characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Openload Off-state delay timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Delay response time between rising edge of ouput current and rising edge of current sense (CS enabled) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 IOUT / ISENSE vs IOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Maximum current sense ratio drift vs load current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Overload or Short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Intermittent Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 OFF-State Open Load with external circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Short to VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 TJ evolution in Overload or Short to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Off state output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 High level input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Input clamp level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Input low level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Input high level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 On state resistance vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 On state resistance vs VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Undervoltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Turn-On voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 ILIMH vs Tcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Turn-Off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 CS_DIS high level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 CS_DIS clamp voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 CS_DIS low level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Maximum turn off current versus inductance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 PowerSSO-12 PC board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Rthj-amb vs PCB copper area in open box free air condition . . . . . . . . . . . . . . . . . . . . . . . 29 PowerSSO-12 thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . 30 Thermal fitting model of a single channel HSD in PowerSSO-12 . . . . . . . . . . . . . . . . . . . 30 PowerSSO-12 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 PowerSSO-12 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 PowerSSO-12 tape and reel shipment (suffix “TR”) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Doc ID 13106 Rev 4 VN5E025AJ-E 1 Block diagram and pin description Block diagram and pin description Figure 1. Block diagram VCC Signal Clamp Undervoltage IN Control & Diagnostic Power Clamp DRIVER VON Limitation Over temp. Current Limitation OFF State Open load CS_ DIS VSENSEH CS Current Sense OUT OVERLOAD PROTECTION (ACTIVE POWER LIMITATION) LOGIC GND Table 1. Pin function Name VCC OUTPUT GND INPUT Function Battery connection. Power output. Ground connection. Must be reverse battery protected by an external diode / resistor network. Voltage controlled input pin with hysteresis, CMOS compatible. Controls output switch state. CURRENT SENSE Analog current sense pin, delivers a current proportional to the load current. CS_DIS Active high CMOS compatible pin, to disable the current sense pin. Doc ID 13106 Rev 4 5/37 Block diagram and pin description Figure 2. VN5E025AJ-E Configuration diagram (top view) TAB = Vcc Vcc GND INPUT CURRENT_SENSE CS_DIS Vcc Table 2. 6/37 12 11 10 9 8 7 1 2 3 4 5 6 OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT Suggested connections for unused and not connected pins Connection / pin Current sense N.C. Output Input CS_DIS Floating Not allowed X X X X To ground Through 1kΩ resistor X Through 22kΩ resistor Through 10kΩ resistor Through 10kΩ resistor Doc ID 13106 Rev 4 VN5E025AJ-E 2 Electrical specifications Electrical specifications Figure 3. Current and voltage conventions IS VCC ICSD VF IOUT OUTPUT CS_DIS VOUT VCSD IIN VCC INPUT ISENSE CURRENT SENSE VIN GND VSENSE IGND Note: VF = VOUT - VCC during reverse battery condition. 2.1 Absolue maximum ratings Stressing the device above the rating listed in the “Absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to the conditions in table below for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality document. Table 3. Absolute maximum ratings Symbol Parameter Value Unit VCC DC supply voltage 41 V -VCC Reverse DC supply voltage 0.3 V - IGND DC reverse ground pin current 200 mA Internally limited A 20 A DC input current -1 to 10 mA DC current sense disable input current -1 to 10 mA 200 mA VCC-41 +VCC V V 140 mJ IOUT - IOUT IIN ICSD DC output current Reverse DC output current -ICSENSE DC reverse CS pin current VCSENSE Current sense maximum voltage EMAX Maximum switching energy (single pulse) (L=0.8mH; RL=0Ω; Vbat=13.5V; Tjstart=150ºC; IOUT = IlimL(Typ.) ) Doc ID 13106 Rev 4 7/37 Electrical specifications Table 3. Absolute maximum ratings (continued) Symbol Value Unit VESD Electrostatic discharge (Human Body Model: R=1.5KΩ; C=100pF) - INPUT - CURRENT SENSE - CS_DIS - OUTPUT - VCC 4000 2000 4000 5000 5000 V V V V V VESD Charge device model (CDM-AEC-Q100-011) 750 V Junction operating temperature -40 to 150 °C Storage temperature -55 to 150 °C Tj Tstg 2.2 VN5E025AJ-E Parameter Thermal data Table 4. Symbol Thermal data Parameter Rthj-case Thermal resistance junction-case Rthj-amb Thermal resistance junction-ambient 8/37 Doc ID 13106 Rev 4 Max. value Unit 1.4 °C/W See Figure 36 °C/W VN5E025AJ-E 2.3 Electrical specifications Electrical characteristics Values specified in this section are for 8V<VCC<28V; -40°C<Tj<150°C, unless otherwise stated. Table 5. Power section Symbol Parameter VCC Operating supply voltage VUSD VUSDhyst RON Vclamp IS IL(off1) VF Test conditions Min. Typ. 4.5 13 28 V Undervoltage shutdown 3.5 4.5 V Undervoltage shutdown hysteresis 0.5 On state resistance IOUT= 3A; Tj=25°C IOUT= 3A; Tj=150°C IOUT= 3A; VCC=5V; Tj=25°C Clamp voltage IS= 20 mA Supply current Off State; VCC=13V; Tj=25°C; VIN=VOUT=VSENSE=VCSD=0V On State; VCC=13V; VIN=5V; IOUT= 0A VIN=VOUT=0V; VCC=13V; Tj=25°C VIN=VOUT=0V; VCC=13V; Tj=125°C Output - VCC diode voltage -IOUT= 2A; Tj= 150°C 0 0 V 25 50 35 mΩ mΩ mΩ 46 52 V 2(1) 5(1) µA 1.5 3 mA 0.01 3 5 µA 0.7 V 41 Off state output current Max. Unit 1. PowerMOS leakage included. Table 6. Symbol Switching characteristics (VCC=13V, Tj=25°C) Parameter Test conditions Min. Typ. Max. Unit td(on) Turn-On delay time RL= 4.3Ω (see Figure 6.) 15 µs td(off) Turn-Off delay time RL= 4.3Ω (see Figure 6.) 40 µs (dVOUT/dt)on Turn-On voltage slope RL= 4.3Ω See Figure 26 V/µs (dVOUT/dt)off Turn-Off voltage slope RL= 4.3Ω See Figure 28 V/µs WON Switching energy losses during twon RL= 4.3Ω (see Figure 6.) 0.4 mJ WOFF Switching energy losses during twoff RL= 4.3Ω (see Figure 6.) 0.5 mJ Doc ID 13106 Rev 4 9/37 Electrical specifications Table 7. Symbol VN5E025AJ-E Logic inputs Parameter Test conditions VIL Input low level voltage IIL Low level input current VIH Input high level voltage IIH High level input current VIN= 2.1V VI(hyst) VICL ICSDL Low level CS_DIS current VCSDH CS_DIS high level voltage ICSDH High level CS_DIS current VCSD(hyst) CS_DIS hysteresis voltage Symbol 0.9 V µA 2.1 V 7 V V 0.9 V -0.7 1 µA 2.1 V 10 0.25 CS_DIS clamp voltage 7 V V -0.7 Protection and diagnostics (1) Parameter Test conditions IlimL Short circuit current during thermal cycling VCC= 13V; TR<Tj<TTSD TTSD Shutdown temperature TR Reset temperature TRS Thermal reset of status Min. Typ. Max. Unit 43 60 85 85 A A 15 150 175 A 200 TRS + 1 TRS + 5 135 Thermal hysteresis (TTSD-TR) Turn-Off output voltage clamp IOUT= 2A; VIN=0; L= 6mH Output voltage drop limitation IOUT= 0.1A Tj= -40°C...150°C (see Figure 8) Doc ID 13106 Rev 4 °C °C °C 7 °C VCC-41 VCC-46 VCC-52 V 25 mV 1. To ensure long term reliability under heavy overload or short circuit conditions, protection and related diagnostic signals must be used together with a proper software strategy. If the device operates under abnormal conditions this software must limit the duration and number of activation cycles. 10/37 µA V 5.5 ICSD=1mA ICSD= -1mA µA V VCSD= 2.1V VCC= 13V 5V<VCC<28V VON Unit 1 5.5 VCSD= 0.9V DC short circuit current VDEMAG Max. 10 IIN= 1mA IIN= -1mA IlimH THYST Typ. 0.25 Input clamp voltage CS_DIS low level voltage Table 8. VIN= 0.9V Input hysteresis voltage VCSDL VCSCL Min. VN5E025AJ-E Electrical specifications Table 9. Symbol Current sense (8V<VCC<18V) Parameter Test conditions KLED IOUT/ISENSE IOUT= 0.05A, VSENSE=0.5V, VCSD=0V Tj= -40°C...150°C K0 IOUT/ISENSE IOUT= 0.5A; VSENSE=0.5V; VCSD=0V; Tj= -40°C...150°C IOUT/ISENSE IOUT= 2A; VSENSE=4V; VCSD=0V; Tj= -40°C...150°C Tj= 25°C...150°C Current sense ratio drift IOUT=2A; VSENSE= 4V; VCSD=0V; TJ= -40 °C to 150 °C IOUT/ISENSE IOUT= 3A; VSENSE=4V; VCSD=0V; Tj= -40°C...150°C Tj=25°C...150°C Current sense ratio drift IOUT=3 A; VSENSE= 4 V; VCSD=0V; TJ= -40 °C to 150 °C IOUT/ISENSE IOUT= 10A; VSENSE=4V; VCSD=0V; Tj= -40°C...150°C Tj=25°C...150°C Current sense ratio drift IOUT= 10 A; VSENSE= 4 V; VCSD=0V; TJ= -40 °C to 150 °C K1 dK1/K1(1) K2 dK2/K2(1) K3 dK3/K3(1) ISENSE0 IOL VSENSE Analog sense leakage current Min. Typ. Max. Unit 1370 3180 4930 1990 3050 4120 2100 2860 3840 2220 2860 3500 -10 10 % 2300 2850 3520 2420 2850 3300 -7 7 % 2690 2830 3060 2700 2830 3020 -4 4 % IOUT=0A; VSENSE=0V; VCSD=5V; VIN=0V; Tj=-40°C...150°C VCSD=0V; VIN=5V; Tj=-40°C...150°C 0 0 1 2 µA µA IOUT=2A; VSENSE=0V; VCSD=5V; VIN=5V; Tj=-40°C...150°C 0 1 µA 30 mA Open load ON state current detection threshold VIN = 5V, 8V<VCC<18V ISENSE= 5 µA 5 Max analog sense output voltage IOUT= 3A; VCSD= 0V 5 V Analog sense output VCC= 13V; RSENSE= 3.9KΩ VSENSEH(2) voltage in fault condition 8 Analog sense output ISENSEH(2) current in fault VCC= 13V; VSENSE= 5V condition 9 Doc ID 13106 Rev 4 mA 11/37 Electrical specifications Table 9. Symbol VN5E025AJ-E Current sense (8V<VCC<18V) (continued) Parameter Test conditions Min. Typ. Max. Unit Delay response time VSENSE<4V, 0.5<Iout<10A tDSENSE1H from falling edge of ISENSE=90% of ISENSE max CS_DIS pin (see Figure 4) 40 100 Delay response time VSENSE<4V, 0.5<Iout<10A from rising edge of ISENSE=10% of ISENSE max CS_DIS pin (see Figure 4) 5 20 Delay response time VSENSE<4V, 0.5<Iout<10A tDSENSE2H from rising edge of ISENSE=90% of ISENSE max INPUT pin (see Figure 4) 80 300 tDSENSE1L Delay response time between rising edge ΔtDSENSE2H of output current and rising edge of current sense tDSENSE2L µs VSENSE < 4V, ISENSE = 90% of ISENSEMAX, IOUT = 90% of IOUTMAX IOUTMAX= 3A (see Figure 7) 110 Delay response time VSENSE<4V, 0.5<Iout<10A from falling edge of ISENSE=10% of ISENSE max INPUT pin (see Figure 4) 80 250 1. Parameter guaranteed by design, it is not tested. 2. Fault condition includes: power limitation, overtemperature and open load OFF state detection. Table 10. Symbol VOL tDSTKON 12/37 Openload detection (8V<VCC<18V) Parameter Test conditions Openload Off state voltage detection threshold VIN = 0V Output short circuit to VCC detection delay at turn off See Figure 5. Min. Typ. Max. Unit 2 4 V 180 1200 µs IL(off2)r Off state output current at VIN=0V; VSENSE=0V VOUT = 4V VOUT rising from 0V to 4V -120 0 µA IL(off2)f Off state output current at VIN=0V; VSENSE=VSENSEH VOUT = 2V VOUT falling from VCC to 2V -50 90 µA td_vol Delay response from output rising edge to VSENSE rising edge in open load 20 µs VOUT= 4 V; VIN= 0V VSENSE= 90% of VSENSEH Doc ID 13106 Rev 4 VN5E025AJ-E Electrical specifications Figure 4. Current sense delay characteristics INPUT CS_DIS LOAD CURRENT SENSE CURRENT tDSENSE2H Figure 5. tDSENSE1L tDSENSE1H tDSENSE2L Openload Off-state delay timing OUTPUT STUCK TO VCC VIN VOUT > VOL VSENSEH VCS tDSTKON Figure 6. Switching characteristics VOUT tWon tWoff 90% 80% dVOUT/dt(off) dVOUT/dt(on) tr 10% tf t INPUT td(on) td(off) t Doc ID 13106 Rev 4 13/37 Electrical specifications Figure 7. VN5E025AJ-E Delay response time between rising edge of ouput current and rising edge of current sense (CS enabled) VIN ΔtDSENSE2H t IOUT IOUTMAX 90% IOUTMAX t ISENSE ISENSEMAX 90% ISENSEMAX t Figure 8. Output voltage drop limitation Vcc-Vout Tj=150oC Tj=25oC Tj=-40oC Von Von/Ron(T) 14/37 Doc ID 13106 Rev 4 Iout VN5E025AJ-E Electrical specifications Figure 9. IOUT / ISENSE vs IOUT Iout / Isense 4200 max Tj = -40 °C to 150 °C 3700 3200 max Tj = 25 °C to 150 °C typical value 2700 min Tj = 25 °C to 150 °C 2200 min Tj = -40 °C to 150 °C 1700 2 3 4 5 6 7 8 9 10 IOUT (A) Figure 10. Maximum current sense ratio drift vs load current dk/k(%) 10 5 0 -5 -10 2 3 4 5 6 7 8 9 10 IOUT (A) Note: Parameter guaranteed by design; it is not tested. Doc ID 13106 Rev 4 15/37 Electrical specifications Table 11. VN5E025AJ-E Truth table Input Output Sense (VCSD=0V)(1) Normal operation L H L H 0 Nominal Overtemperature L H L L 0 VSENSEH Undervoltage L H L L 0 0 H X (no power limitation) Cycling (power limitation) Nominal Conditions Overload H VSENSEH Short circuit to GND (power limitation) L H L L 0 VSENSEH Open load OFF state (with external pull-up) L H VSENSEH Short circuit to VCC (external pull-up disconnected) L H H H VSENSEH < Nominal Negative output voltage clamp L L 0 1. If the VCSD is high, the SENSE output is at a high impedance, its potential depends on leakage currents and external circuit. 16/37 Doc ID 13106 Rev 4 VN5E025AJ-E Electrical specifications Table 12. ISO 7637-2: 2004(E) Test pulse Electrical transient requirements Test levels(1) III IV 1 -75V -100V 2a +37V 3a Number of pulses or test times Burst cycle/pulse repetition time Delays and Impedance Min. Max. 5000 pulses 0.5s 5s 2 ms, 10Ω +50V 5000 pulses 0.2s 5s 50µs, 2Ω -100V -150V 1h 90ms 100ms 0.1µs, 50Ω 3b +75V +100V 1h 90ms 100ms 0.1µs, 50Ω 4 -6V -7V 1 pulse 100ms, 0.01Ω +65V +87V 1 pulse 400ms, 2Ω 5b (2) ISO 7637-2: 2004E Test pulse III VI 1 C C 2a C C 3a C C 3b C C 4 C C 5b(2) C C Class Test level results Contents C All functions of the device performed as designed after exposure to disturbance. E One or more functions of the device did not perform as designed after exposure to disturbance and cannot be returned to proper operation without replacing the device. 1. The above test levels must be considered referred to VCC = 13.5V except for pulse 5b. 2. Valid in case of external load dump clamp: 40V maximum referred to ground. Doc ID 13106 Rev 4 17/37 Electrical specifications 2.4 VN5E025AJ-E Waveforms Figure 11. Normal operation Normal operation INPUT Nominal load Nominal load IOUT VSENSE VCS_DIS Figure 12. Overload or Short to GND Overload or Short to GND INPUT ILimH > Power Limitation Thermal cycling ILimL > IOUT VSENSE VCS_DIS 18/37 Doc ID 13106 Rev 4 VN5E025AJ-E Electrical specifications Figure 13. Intermittent Overload Intermittent Overload INPUT Overload ILimH > ILimL > Nominal load IOUT VSENSEH> VSENSE VCS_DIS Figure 14. OFF-State Open Load with external circuitry OFF-State Open Load with external circutry INPUT VOUT > VOL VOUT VOL IOUT VSENSEH > tDSTK(on) VSENSE VCS_DIS Doc ID 13106 Rev 4 19/37 Electrical specifications VN5E025AJ-E Figure 15. Short to VCC Short to VCC Resistive Short to VCC Hard Short to VCC VOUT > VOL VOL VOUT IOUT tDSTK(on) tDSTK(on) VCS_DIS Figure 16. TJ evolution in Overload or Short to GND TJ evolution in Overload or Short to GND INPUT Self-limitation of fast thermal transients TTSD THYST TR TJ_START TJ ILimH > Power Limitation < ILimL IOUT 20/37 Doc ID 13106 Rev 4 VN5E025AJ-E 2.5 Electrical specifications Electrical characteristics curves Figure 17. Off state output current Figure 18. High level input current Iih (µA) Iloff (nA) 5 1500 4,5 Off State Vcc=13V Vin=Vout=0V 1200 Vin=2.1V 4 3,5 900 3 600 2,5 2 300 1,5 1 0 -50 -25 0 25 50 75 100 125 150 -50 175 -25 0 25 50 75 100 125 150 175 100 125 150 175 150 175 Tc (°C) Tc (°C) Figure 19. Input clamp level Figure 20. Input low level Vicl (V) Vil (V) 7 2 1,8 lin=1mA 6,8 1,6 1,4 6,6 1,2 6,4 0,8 1 0,6 6,2 0,4 0,2 6 0 -50 -25 0 25 50 75 100 125 150 175 -50 -25 0 25 Tc (°C) 50 75 Tc (°C) Figure 21. Input high level Figure 22. Input hysteresis voltage Vihyst (V) Vih (V) 4 1 0,9 3,5 0,8 3 0,7 2,5 0,6 0,5 2 0,4 1,5 0,3 1 0,2 0,5 0,1 0 0 -50 -25 0 25 50 75 100 125 150 175 -50 -25 0 25 50 75 100 125 Tc (°C) Tc (°C) Doc ID 13106 Rev 4 21/37 Electrical specifications VN5E025AJ-E Figure 23. On state resistance vs Tcase Figure 24. On state resistance vs VCC Ron (mOhm) Ron (mOhm) 80 60 50 Iout= 3A Vcc=13V 60 40 Tc=150°C Tc=125°C 30 40 Tc=25°C 20 Tc=-40°C 20 10 0 0 -50 -25 0 25 50 75 100 125 150 0 175 5 10 15 20 25 30 35 40 150 175 150 175 Vcc (V) Tc (°C) Figure 25. Undervoltage shutdown Figure 26. Turn-On voltage slope Vusd (V) (dVout/dt )On (V/ms) 8 700 7 600 Vcc=13V RI=4.3 Ohm 6 500 5 400 4 300 3 200 2 100 1 0 0 -50 -25 0 25 50 75 100 125 150 175 -50 -25 0 25 Tc (°C) 50 75 100 125 Tc (°C) Figure 27. ILIMH vs Tcase Figure 28. Turn-Off voltage slope Ilimh (A) (dVout/dt )Off (V/ms) 80 400 350 Vcc=13V Vcc=13V RI= 4.3 Ohm 300 70 250 200 60 150 100 50 50 0 40 -50 -25 0 25 50 75 100 125 150 175 -50 22/37 -25 0 25 50 75 Tc (°C) Tc (°C) Doc ID 13106 Rev 4 100 125 VN5E025AJ-E Electrical specifications Figure 29. CS_DIS high level voltage Figure 30. CS_DIS clamp voltage Vcsdh (V) Vcsdcl(V) 4 10 3,5 9 3 8 2,5 7 2 6 1,5 5 1 4 0,5 3 Iin = 1 mA 0 2 -50 -25 0 25 50 75 100 125 150 175 -50 Tc (°C) -25 0 25 50 75 100 125 150 175 Tc (°C) Figure 31. CS_DIS low level voltage Vcsdl (V) 3 2,5 2 1,5 1 0,5 0 -50 -25 0 25 50 75 100 125 150 175 Tc (°C) Doc ID 13106 Rev 4 23/37 Application information 3 VN5E025AJ-E Application information Figure 32. Application schematic +5V VCC Rprot CS_DIS Dld ΜCU Rprot IINPUT OUTPUT Rprot CURRENT SENSE GND RGND RSENSE VGND Cext 3.1 DGND GND protection network against reverse battery This section provides two solutions for implementing a ground protection network against reverse battery. 3.1.1 Solution 1: resistor in the ground line (RGND only) This can be used with any type of load. The following show how to dimension the RGND resistor: 1. RGND ≤ 600mV / (IS(on)max) 2. RGND ≥ (−VCC) / (-IGND) where -IGND is the DC reverse ground pin current and can be found in the absolute maximum rating section of the device datasheet. Power dissipation in RGND (when VCC<0 during reverse battery situations) is: PD= (-VCC)2/RGND This resistor can be shared amongst several different HSDs. Please note that the value of this resistor should be calculated with formula (1) where IS(on)max becomes the sum of the maximum on-state currents of the different devices. Please note that, if the microprocessor ground is not shared by the device ground, then the RGND produces a shift (IS(on)max * RGND) in the input thresholds and the status output 24/37 Doc ID 13106 Rev 4 VN5E025AJ-E Application information values. This shift varies depending on how many devices are ON in the case of several high side drivers sharing the same RGND. If the calculated power dissipation requires the use of a large resistor, or several devices have to share the same resistor, then ST suggests using solution 2 below. 3.1.2 Solution 2: diode (DGND) in the ground line Note that a resistor (RGND=1kΩ) should be inserted in parallel to DGND if the device drives an inductive load. This small signal diode can be safely shared amongst several different HSDs. Also in this case, the presence of the ground network produces a shift (≈600mV) in the input threshold and in the status output values if the microprocessor ground is not common to the device ground. This shift not varies if more than one HSD shares the same diode/resistor network. 3.2 Load dump protection Dld is necessary (Voltage Transient Suppressor) if the load dump peak voltage exceeds the VCC max DC rating. The same applies if the device is subject to transients on the VCC line that are greater than the ones shown in the ISO 7637-2: 2004(E) table. 3.3 MCU I/O protection If a ground protection network is used and negative transients are present on the VCC line, the control pins are pulled negative. ST suggests to insert a resistor (Rprot) in line to prevent the µC I/O pins from latching up. The value of these resistors is a compromise between the leakage current of µC and the current required by the HSD I/Os (Input levels compatibility) with the latch-up limit of µC I/Os: -VCCpeak/Ilatchup ≤ Rprot ≤ (VOHμC-VIH-VGND) / IIHmax Calculation example: For VCCpeak = - 100V and Ilatchup ≥ 20mA; VOHµC ≥ 4.5V 5kΩ ≤ Rprot ≤ 180kΩ Recommended values: Rprot =10kΩ, CEXT=10nF. Doc ID 13106 Rev 4 25/37 Application information 3.4 VN5E025AJ-E Current sense and diagnostic The current sense pin performs a double function (see Figure 33: Current sense and diagnostic): ● Current mirror of the load current in normal operation, delivering a current proportional to the load one according to a know ratio KX. The current ISENSE can be easily converted to a voltage VSENSE by means of an external resistor RSENSE. Linearity between IOUT and VSENSE is ensured up to 5V minimum (see parameter VSENSE in Table 9: Current sense (8V<VCC<18V)). The current sense accuracy depends on the output current (refer to current sense electrical characteristics Table 9: Current sense (8V<VCC<18V)). ● Diagnostic flag in fault conditions, delivering a fixed voltage VSENSEH up to a maximum current ISENSEH in case of the following fault conditions (refer to Truth table): – Power limitation activation – Over-temperature – Short to VCC in OFF state – Open load in OFF state with additional external components. A logic level high on CS_DIS pin sets at the same time all the current sense pins of the device in a high impedance state, thus disabling the current monitoring and diagnostic detection. This feature allows multiplexing of the microcontroller analog inputs by sharing of sense resistance and ADC line among different devices. Figure 33. Current sense and diagnostic VPU VBAT VCC Main MOSn 41V PU_CMD Overtemperature IOUT/KX RPU + OL OFF ISENSEH VOL Pwr_Lim CS_DIS OUTn ILoff2r ILoff2f INPUTn VSENSEH CURRENT SENSEn RPROT To uC ADC 26/37 RSENSE GND Load RPD VSENSE Doc ID 13106 Rev 4 VN5E025AJ-E 3.4.1 Application information Short to VCC and OFF state open load detection Short to VCC A short circuit between VCC and output is indicated by the relevant current sense pin set to VSENSEH during the device off state. Small or no current is delivered by the current sense during the on state depending on the nature of the short circuit. OFF state open load with external circuitry Detection of an open load in off mode requires an external pull-up resistor RPU connecting the output to a positive supply voltage VPU. It is preferable VPU to be switched off during the module stand-by mode in order to avoid the overall stand-by current consumption to increase in normal conditions, i.e. when load is connected. An external pull down resistor RPD connected between output and GND is mandatory to avoid misdetection in case of floating outputs in off state (see Figure 33: Current sense and diagnostic). RPD must be selected in order to ensure VOUT < VOLmin unless pulled up by the external circuitry: VOUT Pull − up _ OFF = RPD ⋅ I L ( off 2) f < VOL min = 2V RPD ≤ 22 KΩ is recommended. For proper open load detection in off state, the external pull-up resistor must be selected according to the following formula: VOUT Pull − up _ ON = RPD ⋅ VPU − RPU ⋅ RPD ⋅ I L ( off 2) r RPU + RPD > VOL max = 4V For the values of VOLmin ,VOLmax, IL(off2)r and IL(off2)f see Table 10: Openload detection (8V<VCC<18V). Doc ID 13106 Rev 4 27/37 Application information 3.5 VN5E025AJ-E Maximum demagnetization energy (VCC = 13.5V) Figure 34. Maximum turn off current versus inductance 100 A B C I (A) 10 1 0,1 1 L (mH) 10 100 A: Tjstart = 150°C single pulse B: Tjstart = 100°C repetitive pulse C: Tjstart = 125°C repetitive pulse VIN, IL Demagnetization Demagnetization Demagnetization t Note: Values are generated with RL = 0Ω. In case of repetitive pulses, Tjstart (at beginning of each demagnetization) of every pulse must not exceed the temperature specified above for curves A and B. 28/37 Doc ID 13106 Rev 4 VN5E025AJ-E Package and PC board thermal data 4 Package and PC board thermal data 4.1 PowerSSO-12 thermal data Figure 35. PowerSSO-12 PC board Note: Layout condition of Rth and Zth measurements (PCB: Double layer, Thermal Vias, FR4 area= 77mm x 86mm, PCB thickness=1.6mm, Cu thickness=70µm (front and back side), Copper areas: from minimum pad lay-out to 8cm2). Figure 36. Rthj-amb vs PCB copper area in open box free air condition RTHj_amb( ° C/ W) 65 60 55 50 45 40 35 30 0 2 4 6 8 10 PCB Cu heat sink area ( cm^ 2) Doc ID 13106 Rev 4 29/37 Package and PC board thermal data VN5E025AJ-E Figure 37. PowerSSO-12 thermal impedance junction ambient single pulse ZTH ( ° C/ W) 100 Footprint 2 cm2 8 cm2 10 1 0,1 0,0001 0,001 0,01 0,1 1 Time ( s) 10 100 1000 Figure 38. Thermal fitting model of a single channel HSD in PowerSSO-12 Equation 1: pulse calculation formula: Z THδ = R TH ⋅ δ + Z THtp ( 1 – δ ) where 30/37 δ = tp ⁄ T Doc ID 13106 Rev 4 VN5E025AJ-E Package and PC board thermal data Table 13. Thermal parameter Area/island (cm2) Footprint R1 (°C/W) 0.3 R2 (°C/W) 1.3 R3 (°C/W) 4 R4 (°C/W) 2 8 8 8 7 R5 (°C/W) 22 15 10 R6 (°C/W) 26 20 15 C1 (W.s/°C) 0.001 C2 (W.s/°C) 0.003 C3 (W.s/°C) 0.05 C4 (W.s/°C) 0.2 0.1 0.1 C5 (W.s/°C) 0.27 0.8 1 C6 (W.s/°C) 3 6 9 Doc ID 13106 Rev 4 31/37 Package and packing information VN5E025AJ-E 5 Package and packing information 5.1 ECOPACK® packages In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. ECOPACK® packages are lead-free. The category of Second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at www.st.com. 5.2 PowerSSO-12 mechanical data Figure 39. PowerSSO-12 package dimensions 32/37 Doc ID 13106 Rev 4 VN5E025AJ-E Package and packing information Table 14. PowerSSO-12 mechanical data Dimension Millimeters Min. Typ. Max. A 1.250 1.620 A1 0.000 0.100 A2 1.100 1.650 B 0.230 0.410 C 0.190 0.250 D 4.800 5.000 E 3.800 4.000 e 0.800 H 5.800 6.200 h 0.250 0.500 L 0.400 1.270 k 0º 8º X 1.900 2.500 Y 3.600 4.200 ddd 0.100 Doc ID 13106 Rev 4 33/37 Package and packing information 5.3 VN5E025AJ-E Packing information Figure 40. PowerSSO-12 tube shipment (no suffix) B Base Q.ty Bulk Q.ty Tube length (± 0.5) A B C (± 0.1) C A 100 2000 532 1.85 6.75 0.6 All dimensions are in mm. Figure 41. PowerSSO-12 tape and reel shipment (suffix “TR”) REEL DIMENSIONS Base Q.ty Bulk Q.ty A (max) B (min) C (± 0.2) F G (+ 2 / -0) N (min) T (max) 2500 2500 330 1.5 13 20.2 12.4 60 18.4 TAPE DIMENSIONS According to Electronic Industries Association (EIA) Standard 481 rev. A, Feb. 1986 Tape width Tape Hole Spacing Component Spacing Hole Diameter Hole Diameter Hole Position Compartment Depth Hole Spacing W P0 (± 0.1) P D (± 0.05) D1 (min) F (± 0.1) K (max) P1 (± 0.1) 12 4 8 1.5 1.5 5.5 4.5 2 End All dimensions are in mm. Start Top cover tape No components Components No components 500mm min Empty components pockets saled with cover tape. User direction of feed 34/37 Doc ID 13106 Rev 4 500mm min VN5E025AJ-E 6 Order codes Order codes Table 15. Device summary Package PowerSSO-12 Order codes Tube Tape and reel Root part number 2 VN5E025AJTR-E Doc ID 13106 Rev 4 35/37 Revision history 7 VN5E025AJ-E Revision history Table 16. 36/37 Document revision history Date Revision Changes 24-Jan-2006 1 Initial release. 15-Jan-2007 2 Reformatted. Section 4.1 restructured. 01-Apr-2008 3 Document reformatted and restructured. Changed max. operating voltage value from 36V to 28V. Changed Description on cover page. Table 6.: Switching characteristics (VCC=13V, Tj=25°C): added typical values. Updated Table 9.: Current sense (8V<VCC<18V): – changed VCC max. value from 16 V to 18 V – added K, dK/K values – added IOL parameter – changed VSENSEH typical value from 9 V to 8 V. – changed ISENSEH typical value from 8 mA to 9 mA. – changed tDSENSE1H typical value from 50 µs to 40 µs. – changed tDSENSE2L typical value from 100 µs to 80 µs. – changed tDSENSE2H typical value from 70 µs to 80 µs – added ΔtDSENSE2H parameter Updated Table 10.: Openload detection (8V<VCC<18V): – added IL(off2)r, IL(off2)f and td_vol parameters Added Figure 9.: IOUT / ISENSE vs IOUT. Added Figure 10.: Maximum current sense ratio drift vs load current Added Section 2.4: Waveforms. Added Section 2.5: Electrical characteristics curves. Updated Section 3: Application information: – added Section 3.4: Current sense and diagnostic Added Section 4.1: PowerSSO-12 thermal data. 10-May-2010 4 Updated Figure 9: IOUT / ISENSE vs IOUT Doc ID 13106 Rev 4 VN5E025AJ-E Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com Doc ID 13106 Rev 4 37/37