AH293-YA

更新时间： 2024-11-25 13:02:47

品牌	Logo	应用领域
易亨 - ANACHIP		风扇电机控制器
页数	文件大小	规格书
9页	198K
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AH293-YA 数据手册

AH293

Low Voltage Hall-Effect Smart Fan Motor Controller

Features

General Description

- On chip Hall sensor

AH293 is a monolithic fan motor controller with Hall

sensor’s capability. It contains two complementary

open-collector transistors for motor’s coil driving,

automatic lock current shutdown, and recovery

protections. Besides, rotor-state detection (RD)

output is for speed detection.

- Rotor-locked shutdown

- Automatically restart

- Rotor-state detection (RD) output

- Built-in Zener protection for output driver

- Operating voltage: 1.8V~5.75 V

- Output current: I_O(AVE)= 400 mA

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. These protecting actions are

repeated and periodic during the blocked period.

Until the blocking is removed, the motor recovers

running normally.

- Package: SIP-5L, SOT23-5L, SOT89-5L

Pin Configuration

DOB

( Front View )

293

VCC

GND

1 : RD

2 : VCC

3 : DO

293

AH293

4 : DOB

5 : GND

DO 3

7 DOB

1 2 3 4 5

VCC GND DO

SOT89-5L

SOT23-5

SIP-5L

Pin Descriptions

Symbol

Description

VCC

Rotor-state detection

Input power

Output pin

DOB

GND

Output pin

Ground

Ordering Information

AH293 X - X X X

Packing

Blank : Tube or Bulk

Wafer Body

Package

P: SIP-5L

Lead

Blank or

L : Lead Free

A~Z : if necessary

to specify

W: SOT23-5L Blank: Normal

Y: SOT89-5L

: 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. 0.5 Jun 18, 2004

1/9

12 3 4 5 6 7...9

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