DRV8305-Q1 - 具有三个集成分流放大器的汽车类三相栅极驱动器

DRV8305-Q1是TI德州仪器公司的一款无刷直流栅极驱动器产品，DRV8305-Q1是具有三个集成分流放大器的汽车类三相栅极驱动器，本站介绍了DRV8305-Q1的封装应用图解、特点和优点、功能等，并给出了与DRV8305-Q1相关的TI元器件型号供参考。

DRV8305-Q1 - 具有三个集成分流放大器的汽车类三相栅极驱动器 - 无刷直流栅极驱动器 - 无刷直流(BLDC)驱动器 - 德州仪器

产品特性

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)

产品应用

Three-Phase Brushless DC Motor and Permanent Magnet Synchronous Motor

产品说明

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.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DRV8305-Q1	HTQFP (48)	7.00 mm × 7.00 mm

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