DRV8808

更新时间： 2024-11-28 12:55:27

品牌	Logo	应用领域
德州仪器 - TI		驱动器转换器电机 DC-DC转换器
页数	文件大小	规格书
38页	1159K
描述
COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER

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DRV8808 数据手册

DRV8808

www.ti.com

SLVS857A –DECEMBER 2009–REVISED AUGUST 2011

COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER

Check for Samples: DRV8808

FEATURES

•

One Integrated LDO Regulator

–

Output Configurable With External Resistor

Network from 1 V to 2.5 V

•

Three DC Motor Drivers

–

Up to 2.5-A Current Chopping

–

550-mA Output Capability

Low Typical ON Resistance (R_DSON= 0.5 Ω

at T_J= 25°C)

•

7-V to 40-V Operating Range

Serial Interface for Communications

•

Three Integrated DC-DC Converters

Thermally-Enhanced Surface-Mount Package

48-Pin HTSSOP With PowerPAD™

(Eco-Friendly: RoHS and No Sb/Br )

–

ON/OFF Selectable Using CSELECT Pin

and Serial Interface

–

Outputs Configurable With External

Resistor Network From 1 V to 90% of V_M

Capability for All Three Channels

•

Power-Down Function (Deep-Sleep Mode)

Reset Signal Output (Active Low)

Reset (All Clear) Control Input

–

1.35-A Output Capability for All Three

Channels

DESCRIPTION

The DRV8808 provides the integrated motor driver solution for printers. The chip has three full H-bridges and

three buck DC-DC converters.

The output driver block for each consists of N-channel power MOSFETs configured as full H-bridges to drive the

motor windings. The device can be configured to utilize internal or external current sense for winding current

control.

The SPI input pins are 3.3-V compatible and have 5-V-tolerant inputs.

The DRV8808 has three dc-dc switch-mode buck converters to generate a programmable output voltage from

1 V up to 90% of V_M, with up to 1.35-A load current capability.

The device is configured using the CSELECT terminal at start up, and serial interface during run time.

An internal shutdown function is provided for overcurrent protection, short-circuit protection, undervoltage lockout,

and thermal shutdown. Also, the device has the reset function at power on, and the input on nReset pin.

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.

PowerPAD is a trademark of Texas Instruments.

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...38

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与DRV8808相关器件

型号	品牌	获取价格	描述	数据表
DRV8808DCA	TI	获取价格	COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER
DRV8808DCAR	TI	获取价格	COMBINATION MOTOR DRIVER WITH DC-DC CONVERTER
DRV8809	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8809A0PAP	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8809PAP	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8810	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8810A0PAP	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8810PAP	TI	获取价格	COMBINATION MOTOR DRIVERS WITH DC-DC CONVERTERS
DRV8811	TI	获取价格	STEPPER MOTOR CONTROLLER IC
DRV8811_11	TI	获取价格	STEPPER MOTOR CONTROLLER IC

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