Datasheet > MC34931

MC34931

更新时间： 2024-11-26 12:36:31

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飞思卡尔 - FREESCALE		/
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34931 Industrial

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MC34931 数据手册

Document Number: MC34931

Rev. 2.0, 10/2013

Freescale Semiconductor

Advance Information

5.0 A H-bridge

34931

The 34931 is a monolithic H-Bridge Power IC in a robust thermally

enhanced package. It is designed for any low voltage DC servo motor

control application within the current and voltage limits stated in this

specification. This device is powered by SMARTMOS technology.

Industrial

H-BRIDGE

The 34931 H-Bridge is able to control inductive loads with currents

up to 5.0 A peak. RMS current capability is subject to the degree of

heatsinking provided to the device package. Internal peak-current

limiting (regulation) is activated at load currents above 6.5 A ±1.5 A.

Output loads can be pulse-width modulated (PWM-ed) at frequencies

up to 11 kHz. A load current feedback feature provides a proportional

(0.24% of the load current) current output suitable for monitoring by a

microcontroller’s A/D input. A Status flag output reports undervoltage,

overcurrent, and overtemperature fault conditions.

EK SUFFIX (PB-FREE)

98ARL10543D

32-PIN SOICW-EP

Two independent inputs provide polarity control of two half-bridge

totem-pole outputs. The disable inputs are provided to force the H-

bridge outputs to tri-state (high-impedance off-state).

Features

ORDERING INFORMATION

Temperature

• 5.0 to 28 V continuous operation (transient operation from 5.0 to

40 V)

• 235 mΩ maximum R_DS(ON)@ T_J=150 °C (each H-bridge

MOSFET)

• 3.0 V and 5.0 V TTL / CMOS logic compatible inputs

• Overcurrent limiting (regulation) via internal constant-off-time

PWM

Device

(Add R2 Suffix for

Tape and Reel)

Package

Range (T )

MC34931EK

-40 to 85 °C

32 SOICW-EP

• Output short-circuit protection (short to VPWR or GND)

• Temperature-dependant current-limit threshold reduction

• All inputs have an internal source/sink to define the default

(floating input) states

• Sleep mode with current draw < 12 µA

PWR

34931

VPWR

CCP

OUT1

IN1

IN2

MOTOR

MCU

OUT2

EN/D2

PGND

AGND

Figure 1. MC34931 Simplified Application Diagram

* This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

12 3 4 5 6 7...25

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与MC34931相关器件

型号	品牌	获取价格	描述	数据表
MC34931EK	FREESCALE	获取价格	34931 Industrial
MC34931EK	NXP	获取价格	H-Bridge, Brushed DC Motor Driver, 5-28V, 5A, Cur FB, Sleep, IMM, SM-8, SOICW-EP 32, Rail
MC34931EKR2	NXP	获取价格	H-Bridge, Brushed DC Motor Driver, 5-28V, 5A, Cur FB, Sleep, IMM, SM-8, SOICW-EP 32, Reel
MC34931SEK	NXP	获取价格	H-Bridge, Brushed DC Motor Driver, High Slew Rate, 5-28V, 5A, Cur FB, Sleep, SOICW-EP 32,
MC34931SEKR2	NXP	获取价格	H-Bridge, Brushed DC Motor Driver, High Slew Rate, 5-28V, 5A, Cur FB, Sleep, SOICW-EP 32,
MC34932	FREESCALE	获取价格	Dual 5.0 A H-Bridge
MC34932EK	FREESCALE	获取价格	Dual 5.0 A H-Bridge
MC34932EK	NXP	获取价格	H-Bridge, Dual, Brushed DC & Stepper Motor Driver, 5-28V, 5A, Cur FB, Sleep, SOIC54
MC34932SEK	NXP	获取价格	H-Bridge, Dual, Brushed DC & Stepper Motor Driver, 5-28V, 5A, Cur FB, Sleep, SOIC5
MC34933EP	NXP	获取价格	H-Bridge, Dual, Low Voltage, Stepper & DC Brushed Motor Driver, 2-7V, 1.4A, 200kHz

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