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VN7140AS12 Datasheet(PDF) 1 Page - STMicroelectronics |
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VN7140AS12 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 39 page  February 2018 DocID029756 Rev 2 1/39 This is information on a product in full production. www.st.com VN7140AS12 High-side driver with Multisense analog feedback for automotive applications Datasheet - production data Features Max transient supply voltage VCC 40 V Operating voltage range VCC 4 to 28 V Typ. on-state resistance (per Ch) RON 140 mΩ Minimum cranking supply voltage (VCC decreasing) VUSD_Cranking 2.85 V Current limitation (typ.) ILIMH 12 A Standby current (max.) ISTBY 0.5 µA AEC-Q100 qualified Extreme low voltage operation for deep cold cranking applications (compliant with LV124, revision 2013) General Single channel smart high-side driver with Multisense analog feedback Very low standby current Compatible with 3 V and 5 V CMOS outputs Multisense diagnostic functions Analog feedback of load current with high precision proportional current mirror Overload and short to ground (power limitation) indication Thermal shutdown indication OFF-state open-load detection Output short to VCC detection Sense enable/disable Protections Undervoltage shutdown Overvoltage clamp Load current limitation Self limiting of fast thermal transients Loss of ground and VCC Reverse battery with external components Electrostatic discharge protection Applications All types of automotive resistive, inductive and capacitive loads Specially intended for automotive signal lamps (up to R10W or LED Rear Combinations) Description The device is single channel high-side driver manufactured using ST proprietary VIPower® M0-7 technology and housed in the SO-8 package. It is designed to drive 12 V automotive grounded loads through a 3 V and 5 V CMOS- compatible interface, and to provide protection and diagnostics. The device integrates advanced protective functions such as load current limitation, overload active management by power limitation and overtemperature shutdown. A dedicated Multisense pin delivers high precision proportional load current sense, in addition to the detection of overload and short circuit to ground, short to VCC and OFF-state open-load. A sense enable pin allows OFF-state diagnosis to be disabled during the module low-power mode as well as external sense resistor sharing among similar devices. |
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