Datasheet > MIC5022_05

MIC5022_05

更新时间： 2024-11-23 04:39:51

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
10页	199K
描述
Half-Bridge MOSFET Driver

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中文翻译

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MIC5022_05 数据手册

MIC5022

Micrel, Inc.

MIC5022

Half-Bridge MOSFET Driver

Not Recommended for New Designs

General Description

Features

The MIC5022 half-bridge MOSFET driver is designed to

operate at frequencies up to 100kHz (5kHz PWM for 2%

to 100% duty cycle) and is an ideal choice for high speed

applications such as motor control and SMPS (switch mode

power supplies).

• 12V to 36V operation

• 600ns rise time into 1000pF (high side)

• TTL compatible input with internal pull-down resistor

• Outputs interlocked to prevent cross conduction

• TTL compatible enable

• Fault output indication

• Individual overcurrent limits

• Gate protection

• Internal charge pump (high-side)

• Current source drive scheme reduces EMI

Arising or falling edge on the input results in a current source

pulse or sink pulse on the gate outputs. This output current

pulse can turn on a 2000pF MOSFET in approximately 1µs.

The MIC5022 then supplies a limited current (< 2mA), if

necessary, to maintain the output states.

Two overcurrent comparators with nominal trip voltages of

50mV make the MIC5022 ideal for use with current sensing

MOSFETs. External low value resistors may be used instead

of sensing MOSFETs for more precise overcurrent control.

Optional external capacitors placed on the C and C pins

Applications

• Motor control

• Switch-mode power supplies

may be used to individually control the current shutdown duty

cycles from approximately 20% to <1%. Duty cycles from

20%toabout75%arepossiblewithindividualpull-upresistors

from C and C to V . An open collector output provides

Ordering Information

Part Number

MIC5022BWM

MIC5022BN

Temperature Range

Package

a fault indication when either sense input is tripped.

–40°C to +85°C

16-pin Wide SOIC

14-pin Plastic DIP

The MIC5022 is available in 16-pin wide SOIC and 14-pin

plastic DIP packages.

–40°C to +85°C

Other members of the MIC502x family include the MIC5020

low-side driver and the MIC5021 high-side driver.

Typical Application

+12V to +36V

MIC5022

V_DD

V_BOOST

10µF

TTL Input

Input

Gate H

2.7nF

(PWM signal)

Fault Sense H–

R_S1

C_TH

Sense H+

Gate L

C_TH

C_TL

Enable

C_TL

Sense L–

Sense L+

R_S2

Gnd

DC Motor Control Application

Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com

July 2005

MIC5022

12 3 4 5 6 7...10

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与MIC5022_05相关器件

型号	品牌	获取价格	描述	数据表
MIC5022AJB	MICREL	获取价格	Half Bridge Based MOSFET Driver, BIMOS, CDIP14, CERDIP-14
MIC5022AJBQ	MICREL	获取价格	Half Bridge Based MOSFET Driver, CDIP14, CERDIP-14
MIC5022BN	MICREL	获取价格	Half-Bridge MOSFET Driver
MIC5022BWM	MICREL	获取价格	Half-Bridge MOSFET Driver
MIC502BM	MICREL	获取价格	Fan Management IC Advance Information
MIC502BM	MICROCHIP	获取价格	Brushless DC Motor Controller, 0.025A, CMOS, PDSO8, SOIC-8
MIC502BN	MICREL	获取价格	Fan Management IC Advance Information
MIC502BN	MICROCHIP	获取价格	Brushless DC Motor Controller, 0.025A, CMOS, PDIP8, PLASTIC, DIP-8
MIC502YM	MICROCHIP	获取价格	BRUSHLESS DC MOTOR CONTROLLER, 0.025A, PDSO8
MIC502YM	MICREL	获取价格	Fan Management IC

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