Datasheet > 传感器/换能器 > 其他传感器/换能器> AH285B-PLA

AH285B-PLA

更新时间： 2024-11-15 00:00:47

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
10页	204K
描述
Hall-Effect Smart Fan Motor Controller

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数据手册

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AH285B-PLA 数据手册

AH285

Hall-Effect Smart Fan Motor Controller

Features

General Description

- On chip Hall sensor

AH285 is a monolithic fan motor controller with Hall

sensor’s capability. It contains two complementary

open-drain transistors as motor coil drivers,

automatic lock current shutdown, and recovery

protections. Additional, frequency generator (FG)

output is for speed detection relatively.

- Rotor-locked shutdown

- Automatically restart

- Frequency generator (FG) output

- Built-in Zener protection for output driver

- Operating voltage: 3.8V~20V

- Output current: I_O(AVE)= 500mA for SIP-5/SOT89-5

- Output current: I_O(AVE)= 400mA for SOT23-5

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

the rotor is blocked. Until the blocking is removed,

the motor recovers running normally.

Pin Descriptions

Pin Configuration

Symbol

Description

( Front View )

285

Vdd

Frequency generation

Input power

Output pin

1 : FG

2 : Vdd

3 : DO

4 : DOB

5 : GND

DOB

GND

Output pin

Ground

1 2 3 4 5

SIP-5L

DOB

Vdd

285

GND

DO 3

DOB

FG GND DO

SOT89-5L

SOT23-5

Ordering Information

AH285 X - X X X

Packing

Wafer Body

Package

Lead

Blank or

P: SIP-5L

W: SOT23-5L

Y: SOT89-5L

L : Lead Free

Blank : Bulk

: Tape & Reel

(for SOT Packages Only)

A~Z : if necessary

to specify

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. 1.0 Sep 29, 2005

1/9

12 3 4 5 6 7...10

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AH285B-WL	ANACHIP	获取价格	Hall-Effect Smart Fan Motor Controller
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AH285C-WLA	ANACHIP	获取价格	Hall-Effect Smart Fan Motor Controller
AH285C-YL	ANACHIP	获取价格	Hall-Effect Smart Fan Motor Controller
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