VND7050AJ-E STMicroelectronics

VND7050AJ-E Double channel high-side driver with MultiSense analog feedback for automotive applications Datasheet - production data Configurable latch-off on overtemperature or power limitation with dedicated fault reset pin Reverse battery with external components PowerSSO-16 GAPGCFT00327 Electrostatic discharge protection Features Applications All types of Automotive resistive, inductive and Max transient supply voltage V 40 V CC capacitive loads Operating voltage range V 4 to 28 V CC Specially intended for Automotive Signal Typ. on-state resistance (per Ch) R 50 m ON Lamps (up to P27W or SAE1156 or LED Rear Current limitation (typ) I 30 A Combinations) LIMH Standby current (max) I 0.5 A STBY Description The VND7050AJ-E is a double channel high-side Automotive qualified driver manufactured using ST proprietary General VIPower technology and housed in Double channel smart high side driver with PowerSSO-16 package. The device is designed MultiSense analog feedback to drive 12 V automotive grounded loads through Very low standby current a 3 V and 5 V CMOS compatible interface, Compatible with 3 V and 5 V CMOS providing protection and diagnostics. outputs The device integrates 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 latch-off. CC T device temperature CHIP A FaultRST pin unlatches the output in case of 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 detection of overload and short circuit to ground, Protections short to V and off-state open-load. CC Undervoltage shutdown Overvoltage clamp A sense enable pin allows off-state diagnosis to 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. Loss of ground and loss of V CC October 2014 DocID022469 Rev 10 1/48 This is information on a product in full production. www.st.comContents VND7050AJ-E Contents 1 Block diagram and pin description . 6 2 Electrical specification . 8 2.1 Absolute maximum ratings . 8 2.2 Thermal data . 9 2.3 Main electrical characteristics . 10 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 6 Package information 42 6.1 ECOPACK . 42 6.2 PowerSSO-16 package information . 42 2/48 DocID022469 Rev 10