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MIC5022BN

更新时间： 2024-11-18 22:54:51

品牌	Logo	应用领域
麦瑞 - MICREL		驱动器
页数	文件大小	规格书
9页	133K
描述
Half-Bridge MOSFET Driver

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中文翻译

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MIC5022BN 数据手册

MIC5022

Micrel

MIC5022

Half-Bridge MOSFET Driver

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

A rising 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.

Applications

• Motor control

• Switch-mode power supplies

Two overcurrent comparators with nominal trip voltages of

50mV make the MIC5022 ideal for use with current sensing

MOSFETs. Externallowvalueresistorsmaybeusedinstead

of sensing MOSFETs for more precise overcurrent control.

Optional external capacitors placed on the C and C pins

may be used to individually control the current shutdown duty

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

20% to about 75% are possible with individual pull-up resis-

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

Ordering Information

provides a fault indication when either sense input is tripped.

Part Number

MIC5022BWM

MIC5022BN

Temperature Range

–40°C to +85°C

Package

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

plastic DIP packages.

16-pin Wide SOIC

14-pin Plastic DIP

–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

Gate H

10µF

TTL Input

Input

2.7nF

(PWM signal)

Fault Sense H–

C_THSense H+

Enable Gate L

C_TLSense L–

Gnd Sense L+

R_S1

C_TH

C_TL

R_S2

DC Motor Control Application

MIC5022

178

September 1999

12 3 4 5 6 7...9

中文翻译

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与MIC5022BN相关器件

型号	品牌	获取价格	描述	数据表
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
MIC502YM-TR	MICROCHIP	获取价格	BRUSHLESS DC MOTOR CONTROLLER, 0.025A, PDSO8
MIC502YN	MICREL	获取价格	Fan Management IC
MIC502YN	MICROCHIP	获取价格	BRUSHLESS DC MOTOR CONTROLLER, 0.025A, PDIP8

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