this is information on a product in full production. july 2012 doc id 13621 rev 4 1/40 1 VND5E012AY-E double channel high-side driver with analog current sense for automotive applications datasheet ? production data features general: ? inrush current active management by power limitation ? very low standby current ? 3.0v cmos compatible input ? optimized electromagnetic emission ? very low electromagnetic susceptibility ? in compliance with the 2002/95/ec european directive ? proportional load current sense ? high current sense precision for wide range current ? very low current sense leakage diagnostic functions: ? off-state open-load detection ? current sense disable ? thermal shutdown indication ? output short to v cc detection ? overload and short to ground (power limitation) indication protection: ? undervoltage shutdown ? overvoltage clamp ? load current limitation ? self limiting of fast thermal transients ? protection against loss of ground and loss of v cc ? thermal shutdown ? reverse battery protection with self switch of the power mos ? electrostatic discharge protection applications all types of resistive, inductive and capacitive loads suitable as led driver description the VND5E012AY-E is a device made using stmicroelectronics ? vipower ? m0-5 technology. it is intended for driving resistive or inductive loads with one side connected to ground. active v cc pin voltage clamp protects the device against low energy spikes (see iso7637 transient compatibility table). this device integrates an analog current sense which delivers a current proportional to the load current when cs_dis high leads the current sense pin in high impedance. fault conditions such as overload, overtemperature or openload are reported via the current sense pin output current limitation protects the device in overload condition. in case of long overload duration, the device limits the dissipated power to safe level up to thermal shutdown intervention. thermal shutdown with automatic restart allows the device to recover normal operation as soon as fault condition disappears. max transient supply voltage v cc 41v operating voltage range v cc 4.5 to 28v max on-state resistance (per ch.) r on 12 m current limitation (typ) i limh 74 a off-state supply current i s 2 a (1) 1. typical value with all loads connected powersso-36 www.st.com
contents VND5E012AY-E 2/40 doc id 13621 rev 4 contents 1 block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2.5 electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.1 load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.2 mcu i/os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 3.3 current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.3.1 short to vcc and off-state open-load detection . . . . . . . . . . . . . . . . . . 27 3.4 maximum demagnetization energy (vcc = 13.5 v) . . . . . . . . . . . . . . . . . 29 4 package and pcb thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.1 powersso-36 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 5.1 ecopack ? package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 5.2 powersso-36 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 5.3 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 6 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
VND5E012AY-E list of tables doc id 13621 rev 4 3/40 list of tables table 1. pin function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 table 2. suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6 table 3. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 5. power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 6. switching (vcc = 13v; tj = 25c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 7. current sense (8v list of figures VND5E012AY-E 4/40 doc id 13621 rev 4 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. current sense delay characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 5. open-load off-state delay timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 6. iout/isense vs iout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 7. maximum current sense ratio drift vs load current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 8. switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 9. delay response time between rising edge of ouput current and rising edge of current sense (cs enabled). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 10. output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 11. normal operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 12. overload or short to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 13. intermittent overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 14. off-state open-load with external circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 15. short to v cc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 16. t j evolution in overload or short to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 figure 17. off-state output current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 18. high level input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 19. input clamp voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 20. input high level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 21. input low level voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 22. input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 23. on-state resistance vs t case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 24. on-state resistance vs v cc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 25. undervoltage shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 26. i limh vs t case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 27. turn-on voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 28. turn-off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 29. cs_dis clamp voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 30. low level cs_dis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 31. high level cs_dis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 32. application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 33. current sense and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 figure 34. maximum turn-off current versus inductance (1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 figure 35. powersso-36 pc board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figure 36. rthj-amb vs pcb copper area in open box free air condition (one channel on) . . . . . . . . 31 figure 37. powersso-36 thermal impedance junction ambient single pulse (one channel on) . . . . 31 figure 38. thermal fitting model of a double channel hsd in powersso-36 (1) . . . . . . . . . . . . . . . . . 32 figure 39. powersso-36 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 figure 40. powersso-36 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 figure 41. powersso-36 tape and reel shipment (suffix ?tr?) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
VND5E012AY-E block diagram and pin description doc id 13621 rev 4 5/40 1 block diagram and pin description figure 1. block diagram table 1. pin function name function v cc battery connection out 1,2 power output gnd ground connection in 1,2 voltage controlled input pin with hysteresis, cmos compatible; controls output switch state cs 1,2 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 & 4 # o n t r o l $ i a g n o s t i c 6 # # # ( # o n t r o l $ i a g n o s t i c , / ' ) # $ 2 ) 6 % 2 6 / . , i m i t a t i o n # u r r e n t , i m i t a t i o n 0 o w e r # l a m p / v e r t e m p 5 n d e r v o l t a g e 6 3 % . 3 % ( # u r r e n t 3 e n s e # ( / 6 % 2 , / ! $ 0 2 / 4 % # 4 ) / . ! # 4 ) 6 % 0 / 7 % 2 , ) - ) 4 ! 4 ) / . ) . ) . # 3 # 3 # 3 ? $ ) 3 ' . $ / 5 4 / 5 4 3 i g n a l # l a m p 2 e v e r s e " a t t e r y 0 r o t e c t i o n & |