DRV8305

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community DRV8305 SLVSCX2B – AUGUST 2015 – REVISED FEBRUARY 2016 DRV8305 Three Phase Gate Driver With Current Shunt Amplifiers and Voltage Regulator 1 Features 1 4.4-V to 45-V Operating Voltage 1.25-A and 1-A Peak Gate Drive Currents Programmable High- and Low-Side Slew-Rate Control Charge-Pump Gate Driver for 100% Duty Cycle Three Integrated Current-Shunt Amplifiers Integrated 50-mA LDO (3.3-V and 5-V Option) 3-PWM or 6-PWM Input Control up to 200 kHz Single PWM-Mode Commutation Capability Supports Both 3.3-V and 5-V Digital Interface Serial Peripheral Interface (SPI) for Device Settings and Fault Reporting Thermally-Enhanced 48-Pin HTQFP Protection Features: – Fault Diagnostics and MCU Watchdog – Programmable Dead-Time Control – MOSFET Shoot-Through Prevention – MOSFET VDS Overcurrent Monitors – Gate-Driver Fault Detection – Reverse Battery-Protection Support – Limp Home-Mode Support – Overtemperature Warning and Shutdown 2 Applications Three-Phase BLDC and PMSM Motors CPAP and Pumps Robotics and RC Toys Power Tools Industrial Automation 3 Description The DRV8305 device is a gate driver IC for threephase motor-drive applications. The device provides three high-accuracy and temperature compensated half-bridge drivers, each capable of driving a highside and low-side N-channel MOSFET. A charge pump driver supports 100% duty cycle and lowvoltage operation. The devi...