Datasheet STMicroelectronics VNF1048F

ManufacturerSTMicroelectronics
SeriesVNF1048F

High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications

Datasheets

Datasheet VNF1048F
PDF, 2.6 Mb, Language: en, File uploaded: Aug 4, 2022, Pages: 52
High-side switch Controller with intelligent fuse protection for 12 V, 24 V and 48 V automotive applications
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Detailed Description

All features
  • 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

Status

VNF1048FTR
Lifecycle StatusActive (Recommended for new designs)

Packaging

VNF1048FTR
PackageQFN-32L WF

Model Line

Series: VNF1048F (1)

Manufacturer's Classification

  • Automotive Analog and Power > High and Low Side Drivers/Switches > Smart switches for wire harness protection