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VNF1048F

Part Number	VNF1048F
Manufacturer	STMicroelectronics
Description	High-side switch Controller
Published	Mar 6, 2023
Detailed Description	VNF1048F Datasheet High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive appli...
Datasheet	VNF1048F PDF File

Overview

VNF1048F Datasheet High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications QFN32L 5x5 Product status link VNF1048F Product summary Order code VNF1048FTR Package QFN32L Packing Tape and reel Features Max transient supply voltage Operating voltage range Operating voltage range (extended) Standby current (max) SPI I/O supply voltage SPI standby current (max) VS VS VS IS_Q VSPI I_STBY 70 V 6 V to 60 V 6 V to 70 V 70 µA 3 V to 5.
5 V 5 µA • AEC-Q100 automotive qualified • General – High side switch Control IC with e-fuse protection for Automotive 12 V, 24 V and 48 V applications – SPI slave interface for host control – 32-bit ST-SPI interface compatible with 3.
3 V and 5 V CMOS level – 2 stage charge pump – Gate drive for an external MOSFET in high side configuration – High precision uni-directional digital current sense via SPI through an external high side shunt resistor – Input for a NTC resistor to monitor the external MOSFET temperature – Very low standby current – Robust fail-safe functionality through internal and external controls – SPI register lock-out by a dedicate digital input pin – Integrated ADC for TJ, VNTC, VOUT and VDS conversion • Protections – Battery under-voltage shut-down – External MOSFET desaturation shutdown configurable via SPI – Hard short circuit latch-off configurable via SPI – Current vs time latch-off configurable via SPI (fuse-emulation) – Device overtemperature shutdown – External MOSFET overtemperature shutdown • Intelligent high current fuse replacement for automotive applications • Especially intended for automotive power distribution applications Description The device is an advanced controller for a power MOSFET in high side configuration, designed for the implementation of an Intelligent High Side Switch for 12 V, 24 V and 48 V automotive applications.
The Control IC is interfaced to a host microcontroller through a 3.
3 V and 5 V CMOS-compatible SPI interface and provi...

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VNF1048F High-side switch Controller - STMicroelectronics

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