AH287M-Y

更新时间： 2025-08-16 23:14:03

品牌	Logo	应用领域
易亨 - ANACHIP		风扇电机高压控制器
页数	文件大小	规格书
7页	167K
描述
High Voltage Hall-Effect Smart Fan Motor Controller

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AH287M-Y 数据手册

AH287

High Voltage Hall-Effect Smart Fan Motor Controller

Features

General Description

- On chip Hall sensor

AH287 is a monolithic fan motor controller with Hall

sensor’s capability. It contains two complementary

open-drain drivers for motor’s coil driving, automatic

lock shutdown and restart function relatively.

- Rotor-locked shutdown

- Automatically restart

- Built-in Zener protection for output driver

- Operating voltage: 3.8V~28V

- Output current: I_O(AVE)= 400mA

- Package: SIP-4L, SOT89-5L

To avoid coil burning, rotor-lock shutdown detection

circuit shut down the output driver if the rotor is

blocked and then the automatic recovery circuit will

try to restart the motor. This function repeats while

rotor is blocked. Until the blocking is removed, the

motor recovers running normally.

Pin Assignment

Pin Descriptions

Name

Description

Front View

VCC

Input power

287

Output pin

Ground

1 : VCC

2 : DO

DOB

GND

Not connected

3 : DOB

4 : GND

SIP-4L

VCC

287

GND

DO 3

DOB

SOT89-5L

Ordering Information

AH287 X - X X X

Packing

Wafer Body

Package

P: SIP-4L

Lead

Blank or

L : Lead Free

Blank : Tube or Bulk

A~Z : if necessary

to specify

Y: SOT89-5L Blank: Normal

: Tape & Reel

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev. 0.1 Jan 17, 2005

1/7

12 3 4 5 6 7

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