Product overview
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 provides protection and diagnostics to the system.
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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
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STMicroelectronics - VNF1048F
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| VNF1048FTR | Active | QFN-32L WF | Automotive | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| VNF1048FTR | distributors No availability of distributors reported, please contact our sales office | Active | EAR99 | NEC | Tape and Reel | QFN-32L WF | -40 | 150 | THAILAND | | ||
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors