VND7020AJTR STMicroelectronics

VND7020AJ Double channel high-side driver with MultiSense analog feedback for automotive applications Datasheet - production data Loss of ground and loss of V CC Reverse battery with external components Electrostatic discharge protection Applications All types of Automotive resistive, inductive Features and capacitive loads Max transient supply voltage V 40 V CC Specially intended for automotive turn indicators (up to 2x P27W or SAE1156 and Operating voltage range VCC 4 to 28 V R5W paralleled or LED rear combinations) Typ. on-state resistance (per Ch) R 22 m ON Current limitation (typ) ILIMH 63 A Description Standby current (max) I 0.5 A STBY The device is a double channel high-side driver manufactured using ST proprietary VIPower M0- 7 technology and housed in PowerSSO-16 AEC-Q100 qualified package. The device is designed to drive 12 V General automotive grounded loads through a 3 V and Double channel smart high side driver 5 V CMOS-compatible interface, providing with MultiSense analog feedback protection and diagnostics. Very low standby current Compatible with 3 V and 5 V CMOS The device integrates advanced protective outputs functions such as load current limitation, overload active management by power limitation and MultiSense diagnostic functions overtemperature shutdown with configurable Multiplexed analog feedback of: load latch-off. current with high precision proportional current mirror, V supply voltage and CC A FaultRST pin unlatches the output in case of TCHIP device temperature Overload and short to ground (power fault or disables the latch-off functionality. limitation) indication A dedicated multifunction multiplexed analog Thermal shutdown indication output pin delivers sophisticated diagnostic OFF-state open-load detection functions including high precision proportional Output short to V detection CC load current sense, supply voltage feedback and Sense enable/disable chip temperature sense, in addition to the Protections detection of overload and short circuit to ground, Undervoltage shutdown short to VCC and OFF-state open-load. Overvoltage clamp A sense enable pin allows OFF-state diagnosis to Load current limitation be disabled during the module low-power mode Self limiting of fast thermal transients as well as external sense resistor sharing among Configurable latch-off on similar devices. overtemperature or power limitation with dedicated fault reset pin October 2017 DocID027393 Rev 2 1/46 www.st.com This is information on a product in full production. Contents VND7020AJ Contents 1 Block diagram and pin description ................................................ 5 2 Electrical specification .................................................................... 7 2.1 Absolute maximum ratings ................................................................ 7 2.2 Thermal data ..................................................................................... 8 2.3 Main electrical characteristics ........................................................... 8 2.4 Waveforms ...................................................................................... 21 2.5 Electrical characteristics curves ...................................................... 23 3 Protections..................................................................................... 27 3.1 Power limitation ............................................................................... 27 3.2 Thermal shutdown ........................................................................... 27 3.3 Current limitation ............................................................................. 27 3.4 Negative voltage clamp ................................................................... 27 4 Application information ................................................................ 28 4.1 GND protection network against reverse battery ............................. 28 4.1.1 Diode (DGND) in the ground line ..................................................... 29 4.2 Immunity against transient electrical disturbances .......................... 29 4.3 MCU I/Os protection ........................................................................ 29 4.4 Multisense - analog current sense .................................................. 30 4.4.1 Principle of Multisense signal generation ......................................... 31 4.4.2 TCASE and VCC monitor ................................................................. 33 4.4.3 Short to VCC and OFF-state open-load detection ........................... 34 5 Maximum demagnetization energy (VCC = 16 V) ........................ 35 6 Package and PCB thermal data .................................................... 36 6.1 PowerSSO-16 thermal data ............................................................ 36 7 Package information ..................................................................... 39 7.1 PowerSSO-16 package information ................................................ 39 7.2 PowerSSO-16 packing information ................................................. 41 7.3 PowerSSO-16 marking information ................................................. 43 8 Order codes ................................................................................... 44 9 Revision history ............................................................................ 45 2/46 DocID027393 Rev 2