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STMicroelectronics — VN9D30Q100F High-Side Driver

STMicroelectronics

 

STMicroelectronics VN9D30Q100F High-Side Driver

Features a 24-bit SPI interface for the automotive sector

The VN9D30Q100F by STMicroelectronics is a 6-channel high-side driver intended for driving resistive or inductive loads directly connected to ground.

Made using STMicroelectronics’ VIPower technology, the device features a digital current sense feedback for each channel, which is provided through an integrated 10-bit ADC with 0.1% of FSR. Dedicated trimming bits allow for ADC reference current adjustment.

With protection against voltage transient on VCC pin, the VN9D30Q100F is equipped with 6 outputs controllable via SPI or with the 2-OTP assignable direct inputs, while also detecting open-load in OFF-state conditions.

Real-time diagnostic
Real time diagnostic is available through the SPI bus (open-load, output short to VCC, overtemperature, communication error, power limitation or latch off).

Current limitation
Output current limitation protects the device in an over load condition. The device can limit the dissipated power to a safe level up to thermal shutdown intervention. Thermal shutdown can be configured as latched off or programmable time limited auto restart.

Limp home mode
The device enters a limp home mode in case of loss of digital supply (VDD), reset of digital memory or watchdog monitoring time-out event. In limp home mode, each output is set according to the programmed register: to be always OFF, or according to the 2x direct inputs pins.

Features
  • AEC-Q100 qualified
  • General
    • Extreme low voltage operation for deep cold cranking applications (compliant with LV124, revision 2013)
    • 24-bit ST-SPI for full diagnostic and digital current sense feedback
    • Integrated 10-bit ADC for digital current sense
    • Integrated PWM engine with independent phase shift and frequency generation (for each channel)
    • Programmable Bulb/LED mode for all channels
    • Advanced limp home functions for robust fail-safe system
    • Very low standby current
    • Optimized electromagnetic emissions
    • Very low electromagnetic susceptibility
    • Control through direct inputs and / or SPI
    • Compliant with European directive 2002/95/EC
 
  • Diagnostic functions
    • Digital proportional load current sense
    • Synchronous diagnostic of over load and short to GND, output shorted to VCC and OFF-state open-load
    • Programmable case overtemperature warning
  • Protection
    • Two levels load current limitation
    • Self limiting of fast thermal transients
    • Undervoltage shutdown
    • Overvoltage clamp
    • Latch-off or programmable time limited auto restart (power limitation and overtemperature shutdown)
    • Load dump protected
    • Protection against loss of ground