VN7140AJTR-E STMicroelectronics

VN7140AS-E VN7140AJ-E High-side driver with MultiSense analog feedback for automotive application Datasheet - production data Loss of ground and loss of V CC Reverse battery with external components Electrostatic discharge protection 62 1( 5 Applications All types of automotive resistive, inductive and Features capacitive loads Max transient supply voltage V 40 V CC Specially intended for automotive signal lamps (up to R10W or LED Rear Combinations) Operating voltage range V 4 to 28 V CC Typ. on-state resistance (per Ch) R 140 m ON Description Current limitation (typ) I 12 A LIMH The VN7140AS-E and VN7140AJ-E are single Stand-by current (max) I 0.5 A STBY channel high-side driver manufactured using ST proprietary VIPower technology and housed in PowerSSO-16 and SO-8 packages. The devices General are designed to drive 12 V automotive grounded Single channel smart high-side driver with loads through a 3 V and 5 V CMOS-compatible MultiSense analog feedback interface, and to provide protection and Very low standby current diagnostics. Compatible with 3 V and 5 V CMOS output The devices integrate advanced protective MultiSense diagnostic functions functions such as load current limitation, overload Multiplexed analog feedback of: load active management by power limitation and current with high precision proportional overtemperature shutdown with configurable current mirror, V supply voltage and CC latch-off. A FaultRST pin unlatches the output in T device temperature CHIP case of fault or disables the latch-off functionality. Overload and short to ground (power A dedicated multifunction multiplexed analog limitation) indication output pin delivers sophisticated diagnostic Thermal shutdown indication functions including high precision proportional OFF-state open-load detection load current sense, supply voltage feedback Output short to V detection (VN7140AJ-E only) and chip temperature sense CC (VN7140AJ-E only), in addition to the detection of Sense enable/ disable overload and short circuit to ground, short to V CC Protections and OFF-state open-load. Undervoltage shutdown A sense enable pin allows OFF-state diagnosis to Overvoltage clamp be disabled during the module low-power mode Load current limitation as well as external sense resistor sharing among Self limiting of fast thermal transients similar devices. Configurable latch-off on overtemperature or power limitation with dedicated fault reset pin October 2014 DocID022518 Rev 8 1/52 This is information on a product in full production. www.st.comContents VN7140AS-E, VN7140AJ-E Contents 1 Block diagram and pin description . 7 2 Electrical specification . 9 2.1 Absolute maximum ratings . 9 2.2 Thermal data 10 2.3 Main electrical characteristics 11 2.4 Waveforms 22 2.5 Electrical characteristics curves 25 3 Protections 29 3.1 Power limitation 29 3.2 Thermal shutdown 29 3.3 Current limitation . 29 3.4 Negative voltage clamp 29 4 Application information . 30 4.1 GND protection network against reverse battery . 30 4.1.1 Diode (DGND) in the ground line 31 4.2 Immunity against transient electrical disturbances 31 4.3 MCU I/Os protection . 32 4.4 Multisense - analog current sense 32 4.4.1 Principle of Multisense signal generation . 34 4.4.2 T and V monitor . 36 CASE CC 4.4.3 Short to VCC and OFF-state open-load detection . 37 4.5 Maximum demagnetization energy (V = 16 V) . 38 CC 5 Package and PCB thermal data . 39 5.1 PowerSSO-16 thermal data . 39 5.2 SO-8 thermal data 42 6 Package information 45 6.1 ECOPACK . 45 6.2 PowerSSO-16 package information . 45 2/52 DocID022518 Rev 8