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AH289PLA Datasheet(PDF) 1 Page - Anachip Corp |
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AH289PLA Datasheet(HTML) 1 Page - Anachip Corp |
1 / 7 page AH289 High Voltage Hall-Effect Smart Fan Motor Controller This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev. 0.1 Jan 17, 2005 1/7 Features - On chip Hall sensor - Rotor-locked shutdown - Automatically restart - Rotor-state detection (RD) output - Built-in Zener protection for output driver - Operating voltage: 3.8V~28V - Output current: IO(AVE) = 400mA - Package: SIP-5L, SOT89-5L Pin Configuration 1 : RD 2 : VCC 3 : DO 4 : DOB ( Front View ) 15 4 3 2 289 5 : GND General Description AH289 is a monolithic fan motor controller with Hall sensor’s capability. It contains two complementary open-drain transistors for motor’s coil driving, automatic lock current shutdown, and recovery protections. In addition, rotor-state detection (RD) output is for Rotor-state detection. To avoid coil burning, rotor-lock shutdown detection circuit shut down the output driver if the rotor is blocked and then the automatic recovery circuit will try to restart the motor. This function repeats while the rotor is blocked. Until the blocking is removed, the motor recovers running normally. Pin Descriptions Symbol Description RD Rotor-state detection VCC Input power DO Output pin DOB Output pin GND Ground SIP-5L 1 2 3 74 5 DOB DO GND RD VCC SOT89-5L 289 Ordering Information AH289 X -X X X Packing Blank : Tube or Bulk A : Tape & Reel P: SIP-5L Y: SOT89-5L Package Lead L : Lead Free Blank: Normal Wafer Body Blank or A~Z : if necessary to specify |
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