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参数资料
| 型号： | AH293-PL-B |
| 厂商： | Diodes Inc |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC HALL FAN CTRLR 400MA 5-SIP |
| 标准包装： | 1,000 |
| 应用： | 风扇控制器，无刷（BLDC） |
| 输出数： | 2 |
| 电流 - 输出： | 400mA |
| 电源电压： | 1.8 V ~ 5.75 V |
| 工作温度： | -20°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-89-5/6 |
| 供应商设备封装： | SOT-89-5 |
| 包装： | 散装 |
| 其它名称： | AH293-PL-BDI |
AH293
LOW VOLTAGE HALL-EFFECT SMART FAN MOTOR
CONTROLLER
Description
AH293 is a monolithic fan motor controller with Hall sensor’s
capability. It contains two complementary open-collector
transistors for Motor’s coil driving, automatic lock current
Pin Assignments
(Top View)
shutdown, and recovery protections. Also, rotor-state
Vdd
1
5 RD
detection (RD) output is for speed detection.
Rotor-lock shutdown detection circuit turns off the output
GND
2
293
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.
The AH293 is available in SOT89-5L package.
Features
DO 3
Applications
SOT89-5L
74 DOB
?
?
?
?
?
?
?
?
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On Chip Hall Sensor
Rotor-Locked Shutdown
Automatically Restart
Rotor-State Detection (RD) Output
Built-in Zener Protection for Output Driver
Operating Voltage: 1.8V~5.75 V
Output Current: I O(AVE) = 400 mA
Packaged in SOT89-5L
Green Molding Compound
?
?
Two-coil BLDC cooling fans
Low to medium voltage, low power BLDC motors
Typical Application Circuit (Note 1)
D2
V dd
(1.8V/5.75V)
R pu
293
D1
Coil2
Coil1
1
2
3
4
5
RD
(alarm)
GND
Notes:
1. R1, R2: typical 56 Ohm
C3
R1
R2
C1, C2, C3: typical 2.2μF
The R, C value need to be fine tuned based
C1
C2
on coils design.
1.8V/5.75V DC Brush-Less Fan with RD Output Function
AH293
Document number: DS31048 Rev. 6 - 2
1 of 8
June 2010
? Diodes Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AH293W | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Low Voltage Hall-Effect Smart Fan Motor Controller |
| AH293WA | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Low Voltage Hall-Effect Smart Fan Motor Controller |
| AH293WL | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Low Voltage Hall-Effect Smart Fan Motor Controller |
| AH293-WL-7 | 功能描述:马达/运动/点火控制器和驱动器 HALL IC AIO DRIVER DCOIL 1.8V-5.75V RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| AH293WLA | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Low Voltage Hall-Effect Smart Fan Motor Controller |
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