Datasheet > US72

US72

更新时间： 2024-11-21 03:22:55

品牌	Logo	应用领域
迈来芯 - MELEXIS		驱动器风扇
页数	文件大小	规格书
9页	123K
描述
Single Coil Fan Driver

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中文翻译

获取价格

数据手册

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US72 数据手册

US72/73

Single Coil Fan Driver

Features and Benefits

ꢀ

Full Bridge Driver

High Sensitivity Hall Sensor

Locked Rotor Shutdown and Auto-Restart

Power-Efficient CMOS and Power MOSFETs

Integrated tachometer (US72) or alarm (US73) signal outputs

Applications

ꢀ

For 12V/24V Fans

Ordering Information

Part No.

US72

US73

ꢀ

Temperature Suffix

E (-40°C to 85°C)

Package Code

DC (8-Pin narrow SOIC)

Description

Functional Diagram

The US72 and US73 provide a monolithic

Out1

Out2

solution for driving single-coil fans. The bridge

drivers provide bi-directional current through the

single phase motor winding.

Vdd

Regulator

Clamp

US72: The tachometer/Frequency Generator

(FG) version produces a logic signal, which is

aligned with the Hall plate signal.

Hall

Amp.

US73: The Rotation Detector (RD) / Alarm

Signal version has a low output in the normal

condition. When a locked rotor condition occurs

the RD changes to a high state.

Gate Drive

Switching

Logic

FG/RD

Locked-Rotor

Protection

Gnd

3901090261

Rev. 002

Page 1 of 9

Data Sheet

May/04

12 3 4 5 6 7...9

中文翻译

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