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this is information on a product in full production. september 2013 doc id 018942 rev 5 1/31 1 VND5T035AK-E double channel high-side driver with analog current sense for 24 v automotive applications datasheet ? production data features general ? very low standby current ? 3.0 v cmos compatible input ? optimized electromagnetic emission ? very low electromag netic susceptibility ? compliant with european directive 2002/95/ec ? fault reset standby pin (fr_stby) diagnostic functions ? proportional load current sense ? high current sense precision for wide range currents ? off-state open load detection ? output short to v cc detection ? overload and short to ground latch off ? thermal shutdown latch-off ? very low current sense leakage protections ? 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 ? electrostatic discharge protection application all types of resistive, inductive and capacitive loads description the VND5T035AK-E is a monolithic device made using stmicroelectronics ? vipower ? technology, 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. the device integrates an analog current sense which delivers a current proportional to the load current. fault conditions such as overload, overtemperature or short to v cc are reported via the current sense pin. output current limitation protects the device in overload conditions. the device latches off in case of overload or thermal shutdown. the device is reset by a low level pass on the fault reset standby pin. a permanent low level on the inputs and on the fault reset standby pins disables all outputs and sets the device in standby mode. max transient supply voltage v cc 58 v operating voltage range v cc 8 to 36 v typ on-state resistance (per ch.) r on 35 m current limitation (typ) i lim 42 a off-state supply current i s 2 a 3 r z h u 6 6 2 ( " 1 ( $ ' 5 www.st.com
contents VND5T035AK-E 2/31 doc id 018942 rev 5 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 electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 3 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.1 gnd protection network against reverse battery . . . . . . . . . . . . . . . . . . . 20 3.1.1 solution 1: resistor in the ground line (rgnd only) . . . . . . . . . . . . . . . . 20 3.1.2 solution 2: diode (dgnd) in the ground line . . . . . . . . . . . . . . . . . . . . . 21 3.2 load dump protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3 mcu i/os protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.4 maximum demagnetization energy (v cc = 24 v) . . . . . . . . . . . . . . . . . . . 22 4 package and pcb thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.1 powersso-24 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5 package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 5.1 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 5.2 powersso-24 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 5.3 powersso-24 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 6 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 VND5T035AK-E list of tables doc id 018942 rev 5 3/31 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 = 24 v; tj = 25 c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 7. logic inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 8. protections and diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 9. current sense (8 v < v cc < 36 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 10. openload detection (v fr_stby = 5 v) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 11. truth table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 12. electrical transient requirements (part 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 table 13. electrical transient requirements (part 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 table 14. electrical transient requirements (part 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 table 15. thermal parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 table 16. powersso-24 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 table 17. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 table 18. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 list of figures VND5T035AK-E 4/31 doc id 018942 rev 5 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. configuration diagram powersso-24 (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 figure 4. treset definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 5. tstby definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 6. current sense delay characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 7. openload off-state delay timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 figure 8. switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 9. output stuck to vcc detection delay time at frstby activation. . . . . . . . . . . . . . . . . . . . 14 figure 10. delay response time between rising edge of ouput current and rising edge of current sense . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 11. output voltage drop limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 12. device behavior in overload condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 13. off-state output current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 14. high-level input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 15. input clamp voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 16. high-level input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 17. low-level input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 18. input hysteresis voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 figure 19. on-state resistance vs t case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 20. on-state resistance vs v cc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 21. i limh vs t case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 22. turn-on voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 23. turn-off voltage slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 24. application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 25. maximum turn-off current versus inductance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 26. powersso-24 pc board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 27. rthj-amb vs pcb copper area in open box free air condition (one channel on) . . . . . . . . 23 figure 28. powersso-24 thermal impedance junction ambient single pulse (one channel on). . . . . 24 figure 29. thermal fitting model of a double channel hsd in powersso-24 . . . . . . . . . . . . . . . . . . . 24 figure 30. powersso-24 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 figure 31. powersso-24 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 figure 32. powersso-24 tape and reel shipment (suffix ?tr?) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 VND5T035AK-E block diagram and pin description doc id 018942 rev 5 5/31 1 block diagram and pin description figure 1. block diagram table 1. pin function name function v cc battery connection out 1,2 power outputs gnd ground connection in 1,2 voltage controlled input pins with hysteres is, cmos compatible. they control output switch state cs 1,2 analog current sense pins, they deliver a current proportional to the load current fr_stby in case of latch-off for overtemperature/ overcurrent condition, a low pulse on the fr_stby pin is needed to reset the channel. the device enters in standby mode if all inputs and the fr_stby pin are low. control & diagnostic 2 v cc ch1 logic driver current limitation power clamp over temperature undervoltage ch2 overload protection (active power limitation) in1 in2 cs1 cs2 fr_stby gnd out2 out1 signal clamp gapgcft00643 current sense v senseh control & diagnostic 1 off-state open-load v on limitation block diagram and pin description VND5T035AK-E 6/31 doc id 018942 rev 5 figure 2. configuration diagram powersso-24 (top view) table 2. suggested connections for unused and not connected pins connection / pin currentsense n.c. output input fr_stby floating not allowed x (1) 1. x: do not care. xx x to ground through 10 k resistor x not allowed through 10 k resistor through 10 k 9 & |