L9856 High voltage high-side driver Features ■ High voltage rail up to 160 V ■ dV/dt immunity ±50 V/nsec in full temperature range ■ Driver current capability: 500 mA source, 500 mA sink SO-8 ■ Switching times 100 ns rise/fall with 2.5 nF load ■ CMOS/TTL Schmitt trigger inputs with hysteresis ■ Under voltage lock out ■ Clamping on VCC Description ■ Loading circuit for external Bootstrap capacitor ■ Inverting input ■ Reset circuitry The L9856 is an high voltage device, manufactured with the BCD "OFF-LINE" technology. ■ SO-8 package Table 1. It has the capability of driving N-Channel Power MOS transistors. The upper (floating) section is enabled to work with voltage rail up to 160 V. The logic Inputs are CMOS/TTL compatible for ease of interfacing with controlling devices. Device summary Order code Operating temp range, °C Package Packing L9856 -40 to +125 SO-8 Tube L9856TR -40 to +125 SO-8 Tape and Reel May 2008 Rev 2 1/14 www.st.com 1 Contents L9856 Contents 1 2 Block diagram andpin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.5 Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 3 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2/14 L9856 List of tables List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Logic table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3/14 List of figures L9856 List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. 4/14 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Input/output timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Reset timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SO-8 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 L9856 Block diagram andpin description 1 Block diagram andpin description 1.1 Block diagram Figure 1. Block diagram VB Undervoltage RESET VB to VS Pulse Filter FLIP FLOP Break before Make VCC HO Undervoltage RESET VCC to GND RES- Level Shifter "ON" Logic Pulse Filter Delay Level Shifter "OFF" IN- Recharge path VS GND 1.2 Pin description Figure 2. Table 2. Pin connection (top view) VCC 1 8 VB IN- 2 7 HO GND 3 6 NC RESET- 4 5 VS Pin function Pin # Pin name Description 1 VCC Driver supply, typical 5V 2 IN- Driver control signal input (negative logic) 3 GND 4 RESET- 5 VS MOSFET source connection 6 NC No connection (no bondwire) 7 HO MOSFET gate connection 8 VB Driver output stage supply Ground Driver enable signal input (negative logic) 5/14 Electrical specifications L9856 2 Electrical specifications 2.1 Thermal data Table 3. 2.2 Thermal data Symbol Parameter Rth(j-amb) Thermal resistance junction to ambient Value Unit 150 °C/W Max. Absolute maximum ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to GND, all currents are defined positive into any lead. An operation above the absolute maximum limit is not implied and can damage the part. Table 4. Absolute maximum ratings Value Symbol Units Min. Max. -0.3 20 V VBS High side floating supply voltage. VB High side driver output stage voltage neg. transient: 0.5 ms, external MOSFET off. -5 166 V VS High side floating supply offset voltage neg. transient 0.1 µs, repetitive pulse over lifetime at every switching event. -8 150 V VS - 0.3 VB + 0.3 V VHO Output voltage gate connection. VCC Supply voltage. -0.3 20 V VIN Input voltage. -0.3 VCC + 0.3 V IIN Input injection current. Full function, no latchup; (guaranteed by design). Test at 5 V and 7 V on Eng. Samples. --- +1 mA -0.3 VCC + 0.3 V VRES Reset input voltage. Vesd Electrostatic discharge voltage (human body model). 2k V VCDM Charge device model CDM, EOS/ESD Ass. Std 5.3. Number of discharges per pin: 6. 500 V dV/dt Allowable offset voltage slew rate. -50 50 TJ Junction temperature. -55 150 Tstg Storage temperature. -55 150 TL 6/14 Parameter Lead temperature (Soldering, 10 seconds) 3 times Bosch soldering profile acc. to Bosch soldering conditions, Gen. Spec. V/nsec °C - 300 L9856 Electrical specifications 2.3 Recommended operating conditions For proper operations the device should be used within the recommended conditions. Table 5. Recommended operating conditions Value Symbol VB(1) Parameter Units High side driver output stage voltage Min. Max. VS+4.4 VS+18 V -3.2 -2.9 150 150 V High side floating supply offset voltage (25°C) (125°C) VS VHO Output voltage gate connection VS VB V VCC Supply voltage 4.4 6.5 V VIN Input voltage 0 VCC V Reset input voltage 0 VCC V -50 50 V/nsec 200 kHz VRES dV/dt(2) FS Allowable offset voltage slew rate Switching frequency 1. Reset-Logic functional for VBS > 2V, independent from VCC-level. 2. Guaranteed by design. 2.4 Electrical characteristics Table 6. Electrical characteristics Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V, IN = 0 V, RES = 5 V, load R = 50 Ω, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C < Tamb < 125 °C. Symbol Parameter Test condition Min. Typ. Max. Unit VCC supply VCCUV+ VCC supply undervoltage positive going threshold VCC rising from 0 V VCCUV- VCC supply undervoltage negative going threshold VCC dropping from 5 V VCCUVHYS tdUVCC IQCC VCC supply undervoltage lockout hysteresis Undervoltage lockout response time VCC supply current 4.3 0.02 VCC steps either from 6.5 V to 2.7 V or from 2.7 V to 6.5 V V 2.8 0.5 0.3 0.6 20 μs 400 µA 7/14 Electrical specifications Table 6. Symbol L9856 Electrical characteristics (continued) Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V, IN = 0 V, RES = 5 V, load R = 50 Ω, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C < Tamb < 125 °C. Parameter Test condition Min. Typ. Max. Unit 4.3 V VBS supply VBSUV+ VBS supply undervoltage positive going threshold VBSUV- VBS supply undervoltage negative VCC dropping from 5 V going threshold 2.8 VBS supply undervoltage lockout hysteresis 0.02 VCC rising from 0 V V VBSUVHYS tdUVBS Undervoltage lockout response time IQBS1 VBS supply current IQBS2 ΔVBS VBS drop due to output turn-on VBS steps either from 6.5 V to 2.7 V or from 2.7 V to 6.5V 0.3 0.5 0.4 20 µs static mode, IN = 0 V or 5 V 100 µA static mode, VBS = 16 V, IN = 0 V or 5 V 200 µA CBS = 1 µF, tdIG-IN = 3μs, tTEST = 100μs 210 mV Gate driver characteristics IPKSo1 IPKSo2 Tj = 25 °C 120 250 70 150 mA Peak output source current IPKSo3 VBS = 16V , Tj = 25 °C 250 500 IPKSo4 VBS = 16 V 150 300 IHO,off HO off state leakage current 1 Tj = 25 °C tr1 tr2 guaranteed by design 0.2 0.4 0.3 0.5 Output rise time tr3 VBS = 16 V, Tj = 25 °C 0.1 0.2 tr4 VBS = 16 V 0.15 0.3 IPKSi1 IN = 5 V, Tj = 25 °C 120 250 IPKSi2 IN = 5 V 70 150 IPKSi3 IN = 5 V, Tj = 25 °C VBS = 16 V 250 500 IPKSi4 IN = 5 V, VBS = 16 V 150 300 tf1 IN = 5 V, Tj = 25 °C 0.2 0.4 tf2 IN = 5 V, 0.3 0.5 tf3 VBS = 16 V, IN = 5 V, Tj = 25 °C 0.1 0.2 tf4 VBS = 16 V, IN = 5 V, 0.15 0.3 Peak output sink current Output fall time 8/14 µA μs mA µs L9856 Table 6. Electrical specifications Electrical characteristics (continued) Unless otherwise specified, VCC = 5 V, VBS = 7 V, VS = 0 V, IN = 0 V, RES = 5 V, load R = 50 Ω, C = 2.5 nF. Unless otherwise noted, these specifications apply for an operating ambient temperature range of -40 °C < Tamb < 125 °C. Symbol Parameter Test condition Min. Typ. Max. tplhi Input-to-output turn-on propagation delay (50 % input level to 10 % output level) 0.1 0.35 tphli Input-to-output turn-off propagation delay (50 % input level to 90 % output level) 0.1 0.4 tplhr RES-to-output turn-on propagation delay (50 % input level to 10% output level) 0.1 0.4 tphlr RES-to-output turn-off propagation delay (50 % input level to 90 % output level) 0.1 0.4 Unit µs Input characteristics VINH High logic level input threshold VINL Low logic level input threshold RIN High logic level input resistance IIN High logic level input current VRESH High logic level RES input threshold VRESL Low logic level RES input threshold RRES High logic level RES Input resistance IRES Low logic level input current 0.6 VCC VCC = 5V 60 100 VIN = VCC 0.28 VCC V 250 kΩ 5 µA 0.6 VCC VCC = 5V 0.28 VCC 60 100 250 kΩ 5 µA 6 9 µs 0.1 0.5 µs 1.2 V VRES = 0 Recharge characteristics ton_rech Recharge transistor turn-on propagation delay toff_rech Recharge transistor turn-off propagation delay VRECH Recharge output transistor onstate voltage drop VS = 5V 1 mA forced on recharge path on 3 0.5 Deadtime characteristics DTHOFF DTHON High side turn-off to recharge gate turn-on Recharge gate turn-off to high side turn-on 3 6 9 VCC = 5 V µs 0.1 0.4 0.7 9/14 Electrical specifications 2.5 L9856 Logic table Table 7. Logic table Supply voltages and thresholds Note: 10/14 Signals Output Ho Recharge path Vcc VBS RESET- IN- < VCCUV- X X X OFF ON X X LOW X OFF ON X X X HIGH OFF ON > VCCUV+ > VBSUV+ HIGH LOW ON OFF > VCCUV+ < VBSUV- HIGH LOW OFF OFF X means independent from signal. L9856 3 Timing diagrams Timing diagrams Figure 3. Input/output timing diagram IN RES 90% 90% Vs HO 10% 10% t plhi t rx t phli t fx DT HON DT HOFF OFF Recharge ON t on-rech t off-rech Figure 4. Reset timing diagram IN RES HO t plhr t phlr 11/14 Package information 4 L9856 Package information In order to meet environmental requirements, ST (also) 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. Figure 5. SO-8 mechanical data and package dimensions mm inch DIM. MIN. TYP. A MAX. MIN. TYP. MAX. 1.750 0.0689 0.250 0.0039 0.0098 A1 0.100 A2 1.250 0.0492 b 0.280 0.480 0.0110 0.0189 c 0.170 0.230 0.0067 0.0091 D (1) 4.800 4.900 5.000 0.1890 0.1929 0.1969 E 5.800 6.000 6.200 0.2283 0.2362 0.2441 E1(2) 3.800 3.900 4.000 0.1496 0.1535 0.1575 e 1.270 0.0500 h 0.250 0.500 0.0098 L 0.400 1.270 0.0157 L1 k ccc 1.040 0˚ OUTLINE AND MECHANICAL DATA 0.0197 0.0500 0.0409 8˚ 0.100 0˚ 8˚ 0.0039 Notes: 1. Dimensions D does not include mold flash, protrusions or gate burrs. Mold flash, potrusions or gate burrs shall not exceed 0.15mm in total (both side). 2. Dimension “E1” does not include interlead flash or protrusions. Interlead flash or protrusions shall not exceed 0.25mm per side. SO-8 0016023 D 12/14 L9856 5 Revision history Revision history Table 8. Document revision history Date Revision Changes 29-Jun-2007 1 Initial release. 30-May-2008 2 Update Features section on page 1. Updated Table 4: Absolute maximum ratings on page 6. Updated Table 5: Recommended operating conditions on page 7. 13/14 L9856 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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