Datasheet > DRV8302_16

DRV8302_16

更新时间： 2024-09-15 02:58:43

品牌	Logo	应用领域
德州仪器 - TI		栅
页数	文件大小	规格书
21页	350K
描述
Three Phase Gate Driver

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DRV8302_16 数据手册

DRV8302

www.ti.com

SLES267 –AUGUST 2011

Three Phase Pre-Driver with Dual Current Shunt Amplifiers and Buck Regulator –

Hardware Controlled

Check for Samples: DRV8302

FEATURES

DESCRIPTION

The DRV8302 is a gate driver IC for three phase

motor drive applications. It provides three half bridge

drivers, each capable of driving two N-type

MOSFETs, one for the high-side and one for the low

side. It supports up to 2.3A sink and 1.7A source

peak current capability and only needs a single power

supply with a wide range from 8 to 60V. The

DRV8302 uses bootstrap gate drivers with trickle

charge circuitry to support 100% duty cycle. The gate

driver uses automatic hand shaking when high side

FET or low side FET is switching to prevent current

shoot through. Vds of FETs is sensed to protect

external power stage during overcurrent conditions.

•

Operating Supply Voltage 8V–60V

2.3A Sink and 1.7A Source Gate Drive Current

Capability

•

Integrated Dual Shunt Current Amplifiers With

Adjustable Gain and Offset

Integrated Buck Converter to Support up to

1.5A External Load

•

Independent Control of 3 or 6 PWM Inputs

Bootstrap Gate Driver With 100% Duty Cycle

Support

•

Programmable Dead Time to Protect External

FETs from Shoot Through

The DRV8302 includes two current shunt amplifiers

for accurate current measurement. The current

amplifiers support bi-directional current sensing and

provide an adjustable output offset of up to 3V.

Programmable Overcurrent Protection of

External MOSFETs

Thermally Enhanced 56-Pin TSSOP Pad Down

DCA Package

The DRV8302 also has an integrated switching mode

buck converter with adjustable output and switching

frequency to support MCU or additional system power

needs. The buck is capable to drive up to 1.5A load.

APPLICATIONS

•

3-Phase Brushless DC Motor and Permanent

Magnet Synchronous Motor

•

CPAP and Pump

E-bike, Hospital Bed, Wheel Chair

Power Drill, Blender, Chopper

PVDD

DRV8302

GH_A

GL_A

GH_B

GL_B

GH_C

GL_C

Buck

Converter

Three-Phase

NMOS Gate

Driver

MOTOR

PWM

3 or 6

Control

and

Control

Error

Reporting

Protection

Logic

Motor

Controller

ADC1

Vref

offset

ADC2

offset

Figure 1. DRV8302 Simplified Application Schematic

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...21

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与DRV8302_16相关器件

型号	品牌	获取价格	描述	数据表
DRV8302DCA	TI	获取价格	Three Phase Pre-Driver with Dual Current Shun
DRV8302DCAR	TI	获取价格	Three Phase Pre-Driver with Dual Current Shun
DRV8303	TI	获取价格	THREE PHASE PRE-DRIVER WITH DUAL CURRENT SHUNT AMPLIFIERS
DRV8303_15	TI	获取价格	Three Phase Gate Driver
DRV8303DCA	TI	获取价格	THREE PHASE PRE-DRIVER WITH DUAL CURRENT SHUNT AMPLIFIERS
DRV8303DCAR	TI	获取价格	THREE PHASE PRE-DRIVER WITH DUAL CURRENT SHUNT AMPLIFIERS
DRV8303EVM	TI	获取价格	THREE PHASE PRE-DRIVER WITH DUAL CURRENT SHUNT AMPLIFIERS
DRV8304	TI	获取价格	具有电流分流放大器的 40V（最大值）三相智能栅极驱动器
DRV8304HRHAR	TI	获取价格	具有电流分流放大器的 40V（最大值）三相智能栅极驱动器 \| RHA \| 40 \| -40
DRV8304HRHAT	TI	获取价格	具有电流分流放大器的 40V（最大值）三相智能栅极驱动器 \| RHA \| 40 \| -40

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