Texas Instruments PDRV8305NQPHPRQ1

Description
The DRV8305-Q1 is a gate driver IC for three-phase motor drive applications. It provides three high-accuracy trimmed and temperature compensated half-bridge drivers, each capable of driving a high-side and low-side N-type MOSFET. A charge pump driver supports 100% duty cycle and low voltage operation for cold cranks. The gate driver can also handle load dumps up to 45 V. The gate driver uses automatic handshake when switching to prevent current shoot through. Accurate Vds of both the high-side and low-side FETS is sensed to protect external FETS during over current. The DRV8305-Q1 includes three current shunt amplifiers for accurate current measurement that support bidirectional current sensing. The DRV8305-Q1 has an integrated voltage regulator and controller to support a MCU or additional system power needs. The integrated voltage regulator can be interfaced directly with a standard LIN physical interface to allow very low system standby and sleep currents. The SPI provides detailed fault reporting and flexible parameter settings such as gain options for current shunt amplifier, slew rate control of gate driver, and so forth.

Features
AEC-Q100 Qualified for Automotive Applications
Ambient Operating Temperature Range
Device Temperature Grade 0: -40°C to 150°C
Device Temperature Grade 1: -40°C to 125°C
Fault, Diagnostics, and Watchdog
4.4-V to 45-V Operating Voltage
1.25-A/1-A Peak Gate Driver Currents
Programmable, Independent HS/LS Slew Rate/Slope Control
Charge Pump Gate Driver for 100% Duty Cycle
Three Integrated Current Shunt Amplifiers
Integrated 50-mA LDO (3.3-V/5-V Option)
Control of 3-PWM or 6-PWM inputs up to 200 kHz
Single PWM Mode Commutation Capability
Programmable Dead Time
FET Shoot Through Prevention
Programmable VDS Protection of FETS
Supports Reverse Battery Protection
Limp Home Mode Support
Supports Both 3.3-V/5-V Digital Interface
SPI
Thermally-Enhanced 48-Pin HTQFP (7 × 7 mm)

Applications
Three-Phase Brushless DC Motor and Permanent Magnet Synchronous Motor