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AH285-YG-13 PDF预览

AH285-YG-13

更新时间: 2024-01-22 03:44:14
品牌 Logo 应用领域
美台 - DIODES 运动控制电子器件风扇信号电路光电二极管电动机控制电机控制器
页数 文件大小 规格书
9页 98K
描述
HALL-EFFECT SMART FAN MOTOR CONTROLLER

AH285-YG-13 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOT-89
包装说明:GREEN, SOT-89, 5 PIN针数:5
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.24
模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码:R-PDSO-F5
JESD-609代码:e3长度:4.5 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:100 °C
最低工作温度:-40 °C最大输出电流:0.7 A
封装主体材料:PLASTIC/EPOXY封装代码:LSOF
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.6 mm最大供电电压 (Vsup):20 V
最小供电电压 (Vsup):3.8 V标称供电电压 (Vsup):12 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:FLAT
端子节距:1.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:2.5 mm
Base Number Matches:1

AH285-YG-13 数据手册

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AH285  
HALL-EFFECT SMART FAN MOTOR CONTROLLER  
Description  
Pin Assignments  
The AH285 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  
1
2
FG  
5
285  
GND  
To help protect the motor coils, the AH285 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.  
DO 3  
4
DOB  
SOT89-5L  
A Tachometer output is provided by open-drain Frequency  
Generator (FG) Pin which allows external interface to monitor  
motor rotation or speed. The FG output is the magnetic  
change frequency.  
The AH285 is available in SOT89-5L package.  
Applications  
Features  
Two-coil BLDC cooling fans  
Low to medium voltage, low power BLDC motors  
Single-chip solution  
Operating Voltage: 3.8V to 20V  
Built-in Hall sensor and input amplifier  
Tachometer (FG) output  
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  
D2  
Vdd  
(12V)  
Rpu  
D1  
5
1
4
Coil2  
FG  
285  
Coil1  
2
3
D3  
C3  
R1  
C1  
R2  
C2  
GND  
12V DC Brush-less Fan with FG 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  
© Diodes Incorporated  
AH285  
Document number: DS31029 Rev. 8 - 2  

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