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AH284-PG-B PDF预览

AH284-PG-B

更新时间: 2024-11-20 08:22:15
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
10页 179K
描述
HALL-EFFECT SMART FAN MOTOR CONTROLLER

AH284-PG-B 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:SIP
包装说明:SIP,针数:4
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.11
模拟集成电路 - 其他类型:BRUSHLESS DC MOTOR CONTROLLERJESD-30 代码:R-XSIP-T4
JESD-609代码:e3长度:5.22 mm
功能数量:1端子数量:4
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:UNSPECIFIED
封装代码:SIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:5.27 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:NO
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:40
宽度:1.55 mmBase Number Matches:1

AH284-PG-B 数据手册

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AH284  
HALL-EFFECT SMART FAN MOTOR CONTROLLER  
Description  
Pin Assignments  
The AH284 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)  
284  
(Top View)  
284  
Vdd  
1
2
NC  
5
1 : Vdd  
2 : DO  
GND  
To help protect the motor coils, the AH284 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.  
3 : DOB  
4 : GND  
DO 3  
4
DOB  
1
2
3
4
SOT89-5L  
SIP-4L  
The AH284 is available in SIP4 and SOT89-5L packages.  
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 Protection (Lock detection, output shutdown  
and automatic re-start)  
Built-in Zener protection for output driver  
Average output current up to 500mA  
Packages: SIP-4L and SOT89-5L  
Green Molding Compound  
Typical Application Circuit (Note 1)  
D2  
12V  
Vdd  
D1  
284  
L2  
L1  
1
2
4
3
GND  
DOB  
C3  
D3  
DO  
R1  
C1  
R2  
C2  
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 10  
www.diodes.com  
June 2010  
© Diodes Incorporated  
AH284  
Document number: DS31051 Rev. 11 - 2  

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