VNQ7140AJTR STMicroelectronics

VNQ7140AJ Quad 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 signal lamps (up to R10W or LED Rear Operating voltage range VCC 4 to 28 V Combinations) Typ. on-state resistance (per Ch) R 140 m ON Current limitation (typ) ILIMH 12 A Description Stand-by current (max) I 0.5 A STBY The device is a quad channel high-side driver manufactured using ST proprietary VIPower technology and housed in PowerSSO-16 Automotive qualified package. The device is designed to drive 12 V General automotive grounded loads through a 3 V and 5 Quad channel smart high-side driver V CMOS-compatible interface, providing with MultiSense analog feedback protection and diagnostics. Very low standby current The device integrates advanced protective Compatible with 3 V and 5 V CMOS functions such as load current limitation, overload outputs 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 fault or disables the latch-off functionality. Overload and short to ground (power 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 VCC detection 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, and OFF-state open-load. Undervoltage shutdown short to VCC 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 May 2015 DocID027404 Rev 1 1/46 www.st.com This is information on a product in full production. Contents VNQ7140AJ 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 ...................................................................................... 20 2.5 Electrical characteristics curves ...................................................... 22 3 Protections..................................................................................... 26 3.1 Power limitation ............................................................................... 26 3.2 Thermal shutdown ........................................................................... 26 3.3 Current limitation ............................................................................. 26 3.4 Negative voltage clamp ................................................................... 26 4 Application information ................................................................ 27 4.1 GND protection network against reverse battery ............................. 27 4.1.1 Diode (DGND) in the ground line ..................................................... 28 4.2 Immunity against transient electrical disturbances .......................... 28 4.3 MCU I/Os protection ........................................................................ 28 4.4 Multisense - analog current sense .................................................. 29 4.4.1 Principle of Multisense signal generation ......................................... 30 4.4.2 TCASE and VCC monitor ................................................................. 32 4.4.3 Short to VCC and OFF-state open-load detection ........................... 33 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 DocID027404 Rev 1