1 Features
1• 6-V to 60-V Operating Supply Voltage Range
• 1.7-A Source and 2.3-A Sink Gate Drive Current
Capability
• Slew Rate Control for EMI Reduction
• Bootstrap Gate Driver With 100% Duty Cycle
Support
• 6 or 3 PWM Input Modes
• Dual Integrated Current-Shunt Amplifiers With
Adjustable Gain and Offset
• 3.3-V and 5-V Interface Support
• Serial Peripheral Interface (SPI)
• Protection Features:
– Programmable Dead Time Control (DTC)
– Programmable Overcurrent Protection (OCP)
– PVDD and GVDD Undervoltage Lockout
(UVLO)
– GVDD Overvoltage Lockout (OVLO)
– Overtemperature Warning/Shutdown
(OTW/OTS)
– Reported through nFAULT, nOCTW, and SPI
Registers

2 Applications
• 3-Phase BLDC and PMSM Motors
• CPAP and Pump
• E-Bikes
• Power Tools
• Robotics and RC Toys
• Industrial Automation

3 Description
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 Nchannel
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 highside
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 V.
The serial peripheral interface (SPI) provides detailed
fault reporting and flexible parameter settings such as
gain options for the current-shunt amplifiers and slewrate
control of the gate drivers.