The DRV8303 is a gate driver IC for three-phase motor-drive applications. The device
provides three half bridge drivers, each capable of driving two N-channel MOSFETs. The device
supports up to 1.7-A source and 2.3-A peak current capability. The DRV8303 can operate off of a
single power supply with a wide range from 6-V to 60-V. It uses a bootstrap gate-driver
architecture with trickle charge circuitry to support 100% duty cycle. The DRV8303 uses automatic
hand shaking when the high-side or low-side MOSFET is switching to prevent current shoot through.
Integrated VDS sensing of the high-side and low-side MOSFETs is used to protect the external power
stage against overcurrent conditions.
The DRV8303 includes two current-shunt amplifiers for accurate current measurement. The
amplifiers support bi-directional current sensing and provide and adjustable output offset up to 3
The serial peripheral interface (SPI) provides detailed fault reporting and flexible
parameter settings such as gain options for the current-shunt amplifiers and slew-rate control of
the gate drivers.
For all available packages, see the orderable addendum at the
end of the data sheet.
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