september 2013 doc id 15701 rev 9 1/37 1 vnh5019a-e automotive fully integrated h-bridge motor driver features ecopack ? : lead free and rohs compliant automotive grade: compliance with aec guidelines output current: 30 a 3 v cmos compatible inputs undervoltage and overvoltage shutdown high-side and low-side thermal shutdown cross-conduction protection current limitation very low standby power consumption pwm operation up to 20 khz protection against: ? loss of ground and loss of v cc current sense output proportional to motor current charge pump output for reverse polarity protection output protected against short to ground and short to v cc description the vhn5019a-e is a full bridge motor driver intended for a wide range of automotive applications. the device incorporates a dual monolithic high-side drivers and two low-side switches. the high-side driver switch is designed using stmicroelectronics? well known and proven proprietary vipower ? m0 technology that allows to efficiently integrate on the same die a true power mosfet with an intelligent signal/protection circuit. the three dice are assembled in multipowerso-30 package on electrically isolated lead-frames. this package, specifically designed for the harsh automotive environment offers improved thermal performance thanks to exposed die pads. the input signals in a and in b can directly interface to the microcontroller to select the motor direction and the brake condition. the diag a /en a or diag b /en b , when connected to an external pull-up resistor, enable one leg of the bridge. they also provide a feedback digital diagnostic signal. the cs pin allows to monitor the motor current by delivering a current proportional to its value when cs_dis pin is driven low or left open. the pwm, up to 20 khz, lets us to control the speed of the motor in all possible conditions. in all cases, a low-level state on the pwm pin turns-off both the ls a and ls b switches. when pwm rises to a high-level, ls a or ls b turn-on again depending on the input pin state. output current limitation and thermal shutdown protects the concerned high-side in short to ground condition. the short to battery condition is revealed by the overload detector or by thermal shutdown that latches off the relevant low-side. active v cc pin voltage clamp protects the device against low energy spikes in all configurations for the motor. cp pin provides the necessary gate drive for an external n-channel powermos used for reverse polarity protection. type r ds(on) i out v ccmax vnh5019a-e 18 m typ ( per leg) 30 a 41 v multipowerso-30? www.st.com
contents vnh5019a-e 2/37 doc id 15701 rev 9 contents 1 block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 2.4 waveforms and truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.5 reverse battery protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3 package and pcb thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.1 multipowerso-30 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.1.1 thermal calculation in clockwise and anti-clockwise operation in steady-state mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 3.1.2 thermal calculation in transient mode . . . . . . . . . . . . . . . . . . . . . . . . . . 27 4 package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.1 ecopack ? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.2 multipowerso-30 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.3 multipowerso-30 suggested land pattern . . . . . . . . . . . . . . . . . . . . . . . . 32 4.4 multipowerso-30 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 5 order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
vnh5019a-e list of tables doc id 15701 rev 9 3/37 list of tables table 1. suggested connections for unused and not connected pins . . . . . . . . . . . . . . . . . . . . . . . . 6 table 2. pin definitions and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 3. block descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 table 4. absolute maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 5. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 table 6. power section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 7. logic inputs (ina, inb, ena, enb,pwm, cs_dis) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 table 8. switching (v cc = 13 v, r load = 0.87 w, tj = 25 c) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 9. protection and diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 table 10. current sense (8 v < v cc < 21 v). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 11. charge pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 table 12. truth table in normal operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 table 13. truth table in fault conditions (detected on outa). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 table 14. electrical transient requirements (part 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 table 15. electrical transient requirements (part 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 table 16. electrical transient requirements (part 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 table 17. thermal calculation in clockwise and anti-clockwise operation in steady-state mode . . . . 27 table 18. thermal parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 table 19. multipowerso-30 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 table 20. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 table 21. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
list of figures vnh5019a-e 4/37 doc id 15701 rev 9 list of figures figure 1. block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 2. configuration diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 figure 3. current and voltage conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 4. typical application circuit for dc to 20 khz pwm operation with reverse battery protection (option a) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 5. typical application circuit for dc to 20 khz pwm operation with reverse battery protection (option b) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 figure 6. behavior in fault condition (how a fault can be cleared) . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 figure 7. definition of the delay times measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 figure 8. definition of the low-side switching times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 9. definition of the high-side switching times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 figure 10. definition of dynamic cross conduction current during a pwm operation. . . . . . . . . . . . . . 21 figure 11. waveforms in full bridge operation (part 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 figure 12. waveforms in full bridge operation (part 2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 figure 13. definition of delay response time of sense current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 14. half-bridge configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 figure 15. multi-motors configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 figure 16. multipowerso-30? pc board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 figure 17. chipset configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 figure 18. auto and mutual rthj-amb vs pcb copper area in open box free air condition . . . . . . . . . 26 figure 19. chipset configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 figure 20. multipowerso-30 hsd thermal impedance junction ambient single pulse . . . . . . . . . . . . 28 figure 21. multipowerso-30 lsd thermal impedance junction ambient single pulse . . . . . . . . . . . . . 28 figure 22. thermal fitting model of an h-bridge in multipowerso-30 . . . . . . . . . . . . . . . . . . . . . . . . . 29 figure 23. multipowerso-30 package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 figure 24. multipowerso-30 suggested pad layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 figure 25. multipowerso-30 tube shipment (no suffix) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 figure 26. multipowerso-30 tape and reel shipment (suffix ?tr?) . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
vnh5019a-e block diagram and pin description doc id 15701 rev 9 5/37 1 block diagram and pin description figure 1. block diagram 2 8 7 $ . & |