Datasheet > 传感器/换能器 > 磁场传感器> AH286-YG-13

AH286-YG-13

更新时间： 2024-02-09 06:28:18

品牌	Logo	应用领域
美台 - DIODES		风扇传感器换能器磁场传感器电动机控制电机控制器
页数	文件大小	规格书
9页	84K
描述
HALL-EFFECT SMART FAN MOTOR CONTROLLER

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技术参数
数据手册

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AH286-YG-13 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	风险等级：	5.83
JESD-609代码：	e3	传感器/换能器类型：	MAGNETIC FIELD SENSOR,HALL EFFECT
端子面层：	Matte Tin (Sn)	Base Number Matches：	1

AH286-YG-13 数据手册

AH286

HALL-EFFECT SMART FAN MOTOR CONTROLLER

Description

Pin Assignments

The AH286 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.

(Top View)

Vdd

286

GND

To help protect the motor coils, the AH286 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. A Rotor-lock Detect (RD) output flag allows

external monitoring of any motor locks.

DO 3

DOB

SOT89-5L

The AH286 is available in SOT89-5L package.

Features

Applications

•

Single-chip solution

•

Two-coil BLDC cooling fans

Low to medium voltage, low power BLDC motors

Operating Voltage: 3.8V to 20V

Built-in Hall sensor and input amplifier

Rotor-lock Detect (RD) flag

Rotor Lock Protection (Lock detection, output shutdown

and automatic re-start)

•

Built-in Zener protection for output driver

Average output current up to 500mA

Packaged in SOT89-5L

Green Molding Compound

Typical Application Circuit

Vdd

(12V)

R_pu

Coil2

286

Coil1

GND

12V DC Brush-Less Fan with RD Output Function

Notes: 1. Typically it is recommended to us a 56 Ohm resistor for R1 and R2 and a 2.2μF E-Cap capacitor for C1, C2 and C3. These values

may need to be optimized depending on the coils used.

To help with IC protection it’s advised to add a Zener diode between Vdd and ground. The Zener diode should be chosen to help

prevent the supply voltage exceeding the maximum rating of the device.

1 of 9

www.diodes.com

June 2010

AH286

Document number: DS31030 Rev. 12 - 2

12 3 4 5 6 7...9

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