Datasheet > AH2984

AH2984

更新时间： 2024-11-21 08:22:31

品牌	Logo	应用领域
美台 - DIODES		风扇电动机控制电机控制器
页数	文件大小	规格书
11页	191K
描述
TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER

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中文翻译

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AH2984 数据手册

AH2984

TWO PHASE HALL-EFFECT SMART FAN MOTOR

CONTROLLER

Description

Pin Assignments

The AH2984 is a single-chip solution for driving two-coil

brushless direct current (BLDC) fans and motors. The device

includes a Hall-effect sensor, dynamic offset correction and

two complementary open-drain output drivers with internal

Zener diode protection. It is optimized for low start-up

voltage.

(Top View)

AH2984

1 : Vdd

2 : DO

3 : DOB

4 : GND

To help protect the motor coils, the AH2984 provides Rotor

Lock Protection which shuts down output drives if rotor lock is

detected. The device automatically re-starts when the rotor

lock is removed. Over temperature shutdown provides

thermal protection for the device.

1 2

SIP-4L

(Top View)

The AH2984 is available in SIP4 and SOT89-5L packages.

Vdd

Features

AH2984

GND

DOB

•

Single-chip solution

Operating Voltage: 2.5V to 15V

Built-in Hall sensor and input amplifier

Rotor Lock Protection (Lock detection, output shutdown

and automatic re-start)

SOT89-5L

•

Built-in reverse voltage protection diode

Built-in Zener protection for output drivers

Average output current up to 500mA

Packages: SIP-4L and SOT89-5L

“Green” Molding Compound

Applications

•

Two-coil BLDC Cooling Fans

Low Voltage/ Low Power BLDC Motors

1 of 11

www.diodes.com

May 2010

AH2984

Document number: DS31698 Rev. 3 - 2

12 3 4 5 6 7...11

中文翻译

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