Datasheet > MC33887PEK

MC33887PEK

更新时间： 2024-09-30 11:09:11

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		/
页数	文件大小	规格书
37页	930K
描述
5.0 A H-Bridge with Load Current Feedback

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MC33887PEK 数据手册

Document Number: MC33887

Rev. 14.0, 3/2011

Freescale Semiconductor

Technical Data

5.0 A H-Bridge with Load

Current Feedback

33887

The 33887 is a monolithic H-Bridge Power IC with a load current

feedback feature making it ideal for closed-loop DC motor control.

The IC incorporates internal control logic, charge pump, gate drive,

and low R_DS(ON)MOSFET output circuitry. The 33887 is able to

control inductive loads with continuous DC load currents up to 5.0 A,

and with peak current active limiting between 5.2 A and 7.8 A. Output

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

10 kHz. The load current feedback feature provides a proportional (1/

375th of the load current) constant-current output suitable for

monitoring by a microcontroller’s A/D input. This feature facilitates

the design of closed-loop torque/speed control as well as open load

detection.

H-BRIDGE

VW SUFFIX (Pb-FREE)

98ASH70702A

20-PIN HSOP

FK SUFFIX

98ASA10583D

36-PIN PQFN

A Fault Status output pin reports undervoltage, short circuit, and

overtemperature conditions. Two independent inputs provide polarity

control of two half-bridge totem-pole outputs. Two disable inputs

force the H-Bridge outputs to tri-state (exhibit high-impedance).

Bottom View

EK SUFFIX (Pb-FREE)

98ASA10506D

54-PIN SOICW-EP

The 33887 is parametrically specified over a temperature range of

-40°C ≤ T_A≤ 125°C and a voltage range of 5.0 V ≤ V+ ≤ 28 V.

Operation with voltages up to 40 V with derating of the specifications.

ORDERING INFORMATION

Temperature

Features

Device

Package

Range (T )

• Fully specified operation 5.0 V to 28 V

• Limited operation with reduced performance up to 40 V

• 120 mΩ R_DS(ON)Typical H-Bridge MOSFETs

• TTL/CMOS Compatible Inputs

• PWM Frequencies up to 10 kHz

• Active Current Limiting (Regulation)

• Fault Status Reporting

MC33887APVW/R2

MC33887PFK/R2

MC33887PEK/R2

20 HSOP

36 PQFN

-40°C to 125°C

54 SOICW-EP

• Sleep Mode with Current Draw ≤50 μA (Inputs Floating or Set

to Match Default Logic States)

6.0 V

V+

33887

CCP

V+

OUT1

OUT

A/D

IN1

IN2

MCU

MOTOR

OUT2

PGND

AGND

Figure 1. 33887 Simplified Application Diagram

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

12 3 4 5 6 7...37

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与MC33887PEK相关器件

型号	品牌	获取价格	描述	数据表
MC33887PEK/R2	NXP	获取价格	STEPPER MOTOR CONTROLLER, 5A, PDSO54, 0.65 MM PITCH, ROHS COMPLIANT, SOIC-54
MC33887PFK	FREESCALE	获取价格	5.0 A H-Bridge with Load Current Feedback
MC33887PFK	NXP	获取价格	H-Bridge, Brushed DC Motor Driver, 5-28V, 5A, Cur FB, Sleep, SM-5, PQFN 36
MC33887PFK/R2	NXP	获取价格	STEPPER MOTOR CONTROLLER, 5A, QCC36, 9 X 9 MM, 2.1 MM HEIGHT, 0.8 MM PITCH, ROHS COMPLIANT
MC33887PNB	FREESCALE	获取价格	5.0 A H-Bridge with Load Current Feedback
MC33887PNB	MOTOROLA	获取价格	5.0 A H-Bridge with Load Current Feedback
MC33887PNB	NXP	获取价格	5.0 A h-bridge drv w/sleep
MC33887PNB/R2	MOTOROLA	获取价格	5.0 A H-Bridge with Load Current Feedback
MC33887PNBR2	FREESCALE	获取价格	5.0 A H-Bridge with Load Current Feedback
MC33887PNBR2	MOTOROLA	获取价格	5.0 A H-Bridge with Load Current Feedback

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