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AH2985-P-B PDF预览

AH2985-P-B

更新时间： 2024-11-25 14:51:07
品牌 Logo 应用领域
美台 - DIODES 电动机控制
页数 文件大小 规格书
8页 440K
描述
Brushless DC Motor Controller, 0.8A, PSIP4, GREEN, TO-94, 4 PIN

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AH2985-P-B 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：SIP,Reach Compliance Code：compliant
HTS代码：8542.39.00.01Factory Lead Time：46 weeks
风险等级：2.29Is Samacsys：N
其他特性：SEATED HT-CALCULATED模拟集成电路 - 其他类型：BRUSHLESS DC MOTOR CONTROLLER
JESD-30 代码：R-PSIP-T4JESD-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：105 °C
最低工作温度：-40 °C最大输出电流：0.8 A
封装主体材料：PLASTIC/EPOXY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）：NOT SPECIFIED座面最大高度：5.17 mm
最大供电电压 (Vsup)：15 V最小供电电压 (Vsup)：2.5 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：NOT SPECIFIED
宽度：1.56 mmBase Number Matches：1

AH2985-P-B 数据手册

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AH2985  
TWO PHASE HALL-EFFECT SMART FAN MOTOR CONTROLLER  
Description  
Pin Assignments  
The AH2985 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)  
AH2985  
1 : VDD  
2 : DO  
To help protect the motor coils, the AH2985 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.  
3 : DOB  
4 : GND  
The AH2985 is available in TO94 package.  
1 2  
3
4
TO94  
Features  
Single-Chip Solution  
Operating Voltage: 2.5V to 15V  
Applications  
Built-in Hall Sensor and Input Amplifier  
Rotor Lock Protection (Lock Detection, Output Shutdown and  
Automatic re-Start)  
Two-Coil BLDC Cooling Fans  
Low Voltage/ Low Power BLDC Motors  
Built-in Reverse Voltage Protection Diode  
Built-in Zener Protection for Output Drivers  
Average Output Current up to 500mA  
Package: TO94  
“Green” Molding Compound  
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  
Halogen and Antimony Free. “Green” Device (Note 3)  
Notes:  
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"  
and Lead-free.  
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and  
<1000ppm antimony compounds.  
Typical Applications Circuit (Note 4)  
12V  
D2  
VDD  
AH2985  
L1  
L2  
VDD DO DOB GND  
1
2
4
3
GND  
D1  
C
12V Brushless DC Fan  
Note: 4. D1 (Zener Diode) and Capacitor C are for power stabilization. Recommended value of C is 1μF/ 50V (E-Cap). Diode D2 is optional and helps to protect the  
device and fan coils from reverse power conditions. The AH2985 also includes an internal reverse blocking diode at VDD pin.  
1 of 8  
www.diodes.com  
September 2015  
© Diodes Incorporated  
AH2985  
Document number: DS38175 Rev. 1 - 2  
12345678

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