AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Features • Independent 5-Channel H-Bridge • Built-in 4 constant voltage drivers, all of those drivers with brake function. • Built-in 1 constant current drivers with brake function. • Low on-resistance <1.20 Ω (typ.) • Low Voltage operation • Built-in Thermal Shutdown Function • QFN-32 Package General Description The AT5558 is a 5-channel H-bridge drivers IC for DSC motor application. It built in with 4 constant voltage drivers and 1 constant current block to drive auto-focus, zoom, shutter, auto-exposure motors. Applications •DSC motor Driver * Protected by U.S. Patent #6,943,514 Block Diagram VCC AGND Thermal Shutdown and UVLO IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B H-Bridge H-Bridge VM1 OUT1A OUT1B OUT2A OUT2B PGND1 Logic Block Pre Driver H-Bridge IN5A IN5B H-Bridge VM2 OUT3A OUT3B OUT4A OUT4B PGND2 H-Bridge VM3 OUT5A OUT5B Vref Vref VC12 VC3 VC4 VC5 RFG Aimtron reserves the right without notice to change this circuitry and specifications. 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 1 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Pin Configuration VC4 VC3 VC12 AGND OUT1B OUT1A VM1 OUT2B 32 31 30 29 28 27 26 25 VC5 1 24 OUT2A VREF 2 23 IN3B PS 3 22 IN3A VCC 4 21 IN2B Exposed PAD* IN4A 5 20 IN2A IN4B 6 19 IN1B IN5A 7 18 IN1A IN5B 8 17 OUT3B 9 10 11 12 13 14 15 16 RFG OUT5A OUT5B VM3 OUT4A OUT4B VM2 OUT3A *The exposed pad must be connected to GND. Ordering Information Part number AT5558N_GRE Package QFN32, Green Marking AT5558N 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 2 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Pin Description Pin NO. Symbol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Bottom VC5 VREF PS VCC IN4A IN4B IN5A IN5B RFG OUT5A OUT5B VM3 OUT4A OUT4B VM2 OUT3A OUT3B IN1A IN1B IN2A IN2B IN3A IN3B OUT2A OUT2B VM1 OUT1A OUT1B AGND VC12 VC3 VC4 PGND1, 2 I/O I O I P I I I I O O P P O O P O O I I I I I I O O P O O G I I I G Description Voltage for current limit control of the constant current driver5 Reference voltage being divided for VC12, 3, 4, 5 to individually use Power save which can force all outputs to become open state Power supply It combines IN4A to decide the state of the constant current driver4 It combines IN4B to decide the state of the constant voltage driver4 It combines IN5A to decide the state of the constant current driver5 It combines IN5B to decide the state of the constant current driver5 Voltage for current limit control of the constant current driver5 H-bridge output terminal 5A of the constant voltage driver5 H-bridge output terminal 5B of the constant voltage driver5 Power supply for channel 5 H-bridge output terminal 4A of the constant voltage driver4 H-bridge output terminal 4B of the constant voltage driver4 Power supply for channel3, 4 H-bridge output terminal 3A of the constant voltage driver3 H-bridge output terminal 3B of the constant voltage driver3 It combines IN1A to decide the state of the constant voltage driver1 It combines IN1B to decide the state of the constant voltage driver1 It combines IN2A to decide the state of the constant voltage driver2 It combines IN2B to decide the state of the constant voltage driver2 It combines IN3A to decide the state of the constant voltage driver3 It combines IN3B to decide the state of the constant voltage driver3 H-bridge output terminal 2A of the constant voltage driver2 H-bridge output terminal 2B of the constant voltage driver2 Power supply for channel 1, 2 H-bridge output terminal 1A of the constant voltage driver1 H-bridge output terminal 1B of the constant voltage driver1 GND It is used to control the output voltage of constant voltage driver1, 2 It is used to control the output voltage of constant voltage driver3 It is used to control the output voltage of constant voltage driver4 GND 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 3 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Absolute Maximum Ratings Item Supply voltage VCC Supply voltage VM Control input voltage Power dissipation Operating temperature Junction temperature Storage temperature range Maximum output current ESD Susceptibility *2 Symbol VCC VM VIN Pd Topr Tj Tstg Iout HBM MM Ratings +6.0 +6.0 VCC 1000 -20 ~ +85 ~ +150 -55 ~ +150 800 2 200 Unit V V V mW ° C ° C ° C mA KV V 1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. 2. Device are ESD sensitive. Handling precaution recommended. The Human Body model is a 100pF capacitor discharged through a 1.5KΩ resistor into each pin. Recommended Operating Conditions(Ta=25°C) Item Supply voltage VCC Supply voltage VM1,2,3 Control input voltage H Bridge output current Logic input frequency Symbol VCC VM1,2,3 VIN Iout Fin Ratings +2.5 ~ +5.5 +1.9 ~ +5.5 0 ~ VCC -400 ~ +400 0 ~ 100 Unit V V V mA kHz 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 4 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Electrical Characteristic (Ta=25 °C , VCC=3.0V, VM1=VM2=VM3=5V, R L1 = R L2 = R L3 = R L4 15Ω , R L5 = 10Ω ) Parameter Whole circuits Circuit current1 at standby Circuit current1 at standby Circuit current1 Symbol Condition Values Unit Min. Typ. Max. ICCST PS=L - 1 10 µA IVMST PS=L - 1 10 µA - 0.6 1.5 mA - 1.0 1.5 mA Circuit current2 ICC1 PS=H, IN1A1B~5A5B=L ICC2 PS=H, IN1A or IN1B or IN2A or Circuit current3 ICC3 PS=H, IN3A or IN3B or IN4A or IN4B=H - 1.0 1.5 mA Circuit current4 ICC4 PS=H, IN5A or IN5B=H - 1.0 1.5 mA ICC5 PS=H,IN1A=IN2A=IN3A=IN4A =IN5A=H or IN1B=IN2B=IN3B=IN4B=IN5B =H - 1.0 1.5 mA 2.0 -1 - 5 0 1.5 0.8 20 - V V µA µA 2.0 -1 - 5 0 1.5 0.8 20 - MΩ 1.8 2.0 2.2 V 0.98 1.00 1.02 V 1.20 1.75 Ω 1.50 1.60 V Circuit current5 IN2B=H Power save H level input voltage VPSH L level input voltage VPSL H level input bias current IPSH PS=3V L level input bias current IPSL PS=0V Pull-down resistance RIN Control input H level input voltage VINH L level input voltage VINL H level input bias current IINH VIN=3V L level input bias current IINL VIN=0V Pull-down resistance RIN UVLO UVLO voltage VUVLO Vref VREF output voltage VREF Iout=0 ~ 1mA Constant voltage driver1, 2 Output ON Resistance RON Io=+-200mA, Sum of on-resistance Output constant voltage VO1 VC12=0.3V, Rload=7.5 Ω 1.40 MΩ V V µA µA 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 5 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Constant voltage driver3, 4 Output ON Resistance Output constant voltage RON Io=+-200mA, Sum of on-resistance VO2 VC3=VC4=0.3V, Rload=7.5 Ω 1.20 1.75 Ω 1.40 1.50 1.60 V - 1.00 1.45 Ω 287 300 313 mV Constant current driver5 Output ON Resistance RON Io=+-300mA, Sum of on-resistance Output Limit voltage VOL RFG=1 Ω , VC5=0.3V Thermal Protection Circuit Protection Temperature TSD 150 °C 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 6 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Input-output logic table Constant-voltage or saturation control (Channel 1, 2) Input IN1A L H H L L L L L H H IN1B L L L L H H H L L H IN2A L L H H H L L L L IN2B L L L L L L H H H H H OUT1A Z H H Z L L L Z H L Output OUT1B OUT2A Z Z L Z L H Z H H H H Z H L Z L L L L L OUT2B Z Z L L L Z H H H L Mode Standby 1,2 phase excitation BRAKE Constant-voltage or saturation control (Channel 3, 4) Input IN3A L H H L L L L L H H IN3B L L L L H H H L L H IN4A L L H H H L L L L IN4B L L L L L L H H H H H OUT3A Z H H Z L L L Z H L Output OUT3B OUT4A Z Z L Z L H Z H H H H Z H L Z L L L L L OUT4B Z Z L L L Z H H H L Mode Standby 1,2 phase excitation BRAKE Constant-current control or saturation control (Channel 5) Input IN5A L H L H Output IN5B L L H H OUT5A Z H L L OUT5B Z L H L Mode Standby SH&AE BRAKE 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 7 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Application reference 1 M_VCC=4V PS : H active L stand-by PS VCC AGND osicllation preventive capacitor AT5558 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU 0.1uF VM1 OUT1A OUT1B OUT2A OUT2B VM2 OUT3A OUT3B OUT4A OUT4B PGND1 PGND2 IN5A IN5B VM3 OUT5A OUT5B Vref 0.1uF VC12 VC3 VC4 VC5 22k 75k 51k 43k 0.01~0.1uF (option) M AF 47uF 0.01~0.1uF (option) Aperture 0.01~0.1uF (option) Zoom 0.01~0.1uF (option) Shutter 0.01~0.1uF (option) RFG 2 Saturation mode ：CH1&CH2&CH4 → VO i = VM − RON × I O i , i = 1, 2, 4 Constant voltage ：CH3→ VO 3 = VC 3 × 5 − 0.5 × RON × I O 3 Constant current：CH5→ I O 5 = VC 5 / RFG 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 8 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Application reference 2 M_VCC=5V PS : H active L stand-by PS 0.1uF VCC AGND AT5558 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU osicllation preventive capacitor VM1 OUT1A OUT1B OUT2A OUT2B VM2 OUT3A OUT3B OUT4A OUT4B PGND1 PGND2 IN5A IN5B VM3 OUT5A OUT5B Vref VC12 VC3 VC4 VC5 0.01~0.1uF (option) M AF 47uF 0.01~0.1uF (option) Iris 0.01~0.1uF (option) Zoom 0.01~0.1uF (option) Shutter 0.01~0.1uF (option) RFG 1 0.1uF 3.3k 20k 3.3k 75k 100k 91k 100k 25k Constant voltage ：CH1&CH2→ VO i = VC 12 × 5 − 0.5 × RON × I O i , i = 1, 2 CH3&CH4→ VO i = VC i × 5 − 0.5 × RON × I O i , i = 3, 4 Constant current：CH5→ I O 5 = VC 5 / RFG 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 9 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Application reference 3 M_VCC=5V PS : H active L stand-by PS VCC AGND osicllation preventive capacitor AT5558 IN1A IN1B IN2A IN2B IN3A IN3B IN4A IN4B MCU 0.1uF VM1 OUT1A OUT1B OUT2A OUT2B VM2 OUT3A OUT3B OUT4A OUT4B PGND1 PGND2 IN5A IN5B VM3 OUT5A OUT5B Vref VC12 VC3 VC4 VC5 0.01~0.1uF (option) M AF 47uF 0.01~0.1uF (option) Iris 0.01~0.1uF (option) Zoom 0.01~0.1uF (option) Shutter 0.01~0.1uF (option) RFG 1.8 0.1uF 7.5k 75k 30k 33k Constant voltage ：CH1&CH2→ VO i = VC 12 × 5 − 0.5 × RON × I O i , i = 1, 2 CH3&CH4→ VO i = VC i × 5 − 0.5 × RON × I O i , i = 3, 4 Constant current：CH5→ I O 5 = VC 5 / RFG 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 10 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver PC Board layout 1. Due to PGND1 and PGND2 are bound to the bottom of the package, it should be noted that the bottom must be laid together with GND. 2. On the PCB, a hole should be placed in the location of the package bottom for debug issue. 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 11 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Package Description QFN32 SYMBOL A A1 A3 b D D2 E E2 e k L DIMENSION (MM) MIN. NOM. MAX. 0.70 0.75 0.80 0 0.02 0.05 0.2 REF 0.18 0.25 0.30 4.90 5.00 5.10 1.25 2.70 3.70 4.90 5.00 5.10 1.25 2.70 3.70 0.50 BSC 0.2 0.3 0.4 0.5 DIMENSION (MIL) MIN. NOM. MAX. 27.6 29.5 31.5 0 0.79 1.97 7.9 REF 7.1 9.8 11.8 193 197 201 49 106 146 193 197 201 49 106 146 19.7 BSC 7.9 11.8 15.7 19.7 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 12 AT5558 Preliminary Product Information 5-Channel DSC Motor Driver Reflow Profiles Profile Feature Sn-Pb Eutectic Assembly Pb-Free Assembly Large Body Small Body Small Body Large Body Pkg. thickness Pkg. thickness Pkg. thickness Pkg. thickness ≥2.5mm or Pkg. <2.5mm or Pkg. ≥2.5mm or Pkg. ≥2.5mm or Pkg. volume volume volume volume ≥350mm3 3 3 <350mm ≥350mm ≥350mm3 3°C/second max. 3°C/second max. Average ramp-up rate (TL to TP) Preheat -Temperature Min(Tsmin) 100°C -Temperature Max (Tsmax) 150°C -Time (min to max)(ts) 60-120 seconds Tsmax to TL -Ramp-up Rate Time maintained above: -Temperature (TL) 183°C 60-150 seconds -Time (tL) Peak Temperature(TP) 225+0/-5°C 240+0/-5°C 10-30 seconds Time within 5°C of actual 10-30 seconds Peak Temperature (tP) Ramp-down Rate 6°C/second max. 6 minutes max. Time 25°C to Peak Temperature 150°C 200°C 60-180 seconds 3°C/second max. 217°C 60-150 seconds 245+0/-5°C 10-30 seconds 250+0/-5°C 20-40 seconds 3°C/second max. 8 minutes max. *All temperatures refer to topside of the package, measured on the package body surface. 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 06/10/05 REV:1.1 Email: [email protected] 13