Datasheet > AM9799

AM9799

更新时间： 2024-09-24 14:54:55

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
9页	362K
描述
Single Phase 3V/5V BLDC Smart Fan and Motor Driver

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中文翻译

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数据手册

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AM9799 数据手册

Preliminary Datasheet

Single Phase Full-wave Low Voltage Fan Motor Driver

AM9799

Features

General Description

•

Lock Detection and Rotational Speed Sensing

Mechanisms are Built-in

Rotor-locked Protection and Automatic Restart

When the Motor Lock is Undone

Hall Bias Built-in and Hall Inputs Have a

Hysteresis

Built-in Thermal Shutdown Circuit

Built-in Over Current Protection

Built-in Short Protection

Operating Voltage: V_CC=2V to 6V

BiCMOS Technology

The AM9799 is a single-phase DC brushless motor

driver IC featuring BiCMOS process. It is suitable for

fan motor drivers for low voltage equipment such as

the note personal computers. The AM9799 includes

lock shutdown, automatic restart, frequency generator

(FG), have been incorporated into one chip. When the

motor is under lock condition, lock shutdown

function turns off the output current. When the lock

condition is removed, the IC automatically restarts

and allows DC fan to run. In addition, the FG

function is to output rotation speed signal. It features

MOS-FET driver circuit for better saturation

characteristics. Slew late of amplifiers and feedback

resistors are optimized to achieve low-noise motor

operation.

•

Compact Package: MSOP-8

Applications

The AM9799 is available in MSOP-8 package.

•

CPU Cooler Fan in Notebook Personal

Computers

MSOP-8

Figure 1. Package Type of AM9799

Jun. 2011 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...9

中文翻译

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