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VNF1048FTR

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

Quantity $ per Unit Savings
1 - 9$5.100%
10 - 24$4.5810%
25 - 99$4.3315%
100 - 249$3.7526%
250 - 499$3.5630%
500$3.2037%
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In stock
$5.10
Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NameQFN-32L WF

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 provides protection and diagnostics to the system.

Key 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