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AH288-PA PDF预览

AH288-PA

更新时间: 2024-01-08 16:59:23
品牌 Logo 应用领域
美台 - DIODES 风扇电机高压
页数 文件大小 规格书
9页 123K
描述
Brushless DC Motor Controller, 0.7A, PSIP5, SIP-5

AH288-PA 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TO-243,5 LEADReach Compliance Code:compliant
风险等级:5.84最大磁场范围:6 mT
最小磁场范围:-6 mT安装特点:SURFACE MOUNT
端子数量:5最大工作电流:4 mA
最高工作温度:100 °C最低工作温度:-40 °C
输出:OPEN-DRAIN输出极性:COMPLEMENTARY
封装主体材料:PLASTIC/EPOXY封装等效代码:TO-243,5 LEAD
电源:24 V子类别:Other Sensors
表面贴装:YESBase Number Matches:1

AH288-PA 数据手册

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AH288  
HIGH VOLTAGE HALL-EFFECT SMART FAN MOTOR  
CONTROLLER  
General Description  
Features  
AH288 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.  
On chip Hall sensor  
Rotor-locked shutdown  
Automatically restart  
Frequency generator (FG) output  
Built-in Zener protection for output driver  
Operating voltage: 3.8V~28V  
Output current: IO(AVE) = 400mA  
Lead Free Package: SOT89-5L (Note 1)  
SOT89-5L: Available in “Green” Molding Compound  
(No Br, Sb)  
Lead Free Finish/RoHS Compliant (Note 2)  
Rotor-lock shutdown detection circuit turns off the output driver  
when the rotor is blocked to avoid coil overheat. Then, the  
automatic recovery circuit will restart the motor. These protected  
actions are repeated and periodic during the blocked period. Until  
the blocking is removed, the motor recovers and runs normally.  
Typical Application Circuit  
D2  
Vdd  
(24V)  
Rpu  
D1  
5
4
3
Coil2  
48V  
FG  
288  
Coil1  
48V  
1
2
D3  
C1  
GND  
* Rpu : typical 10 Kohm  
Note: The optional Capacitor C1 and Diode D3 are for power stabilization. C1 is recommended to  
be E-Cap., luF/25V; D3 is recommended to be Zener Diode, VZ =27V. Which C1and D3  
value need to be fine tuned to optimize design for different coils and power suppliers .  
24V DC Brush-less Fan with FG output function  
AH288 Rev. 12  
DS31040  
1 of 9  
www.diodes.com  
APRIL 2010  
© Diodes Incorporated  

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