AH286-PL 데이터 시트보기 (PDF) - Anachip Corporation
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AH286-PL Datasheet PDF : 9 Pages
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Hall-Effect Smart Fan Motor Controller
AH286
Features
- On chip Hall sensor
- Rotor-locked shutdown
- Automatically restart
- Rotor-state detection (RD) output
- Buil t-in Zener protection for output driver
- Operating voltage: 3.8V~20 V
- Output current: IO(AVE) = 500mA for SIP-5/SOT89-5
- Output current: IO(AVE) = 400mA for SOT23-5
- Package: SIP-5L, SOT23-5L, SOT89-5L
General Description
AH286 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 Configuration
286
( Front View )
1 : RD
2 : Vdd
3 : DO
4 : DOB
5 : GND
123 45
SIP-5L
Vdd 1
Vdd
5
5 RD
DOB
4
GND 2 286
286
DO 3
74 DOB
SOT89-5L
123
RD GND DO
SOT23-5
Pin Descriptions
Symbol
RD
Vdd
DO
DOB
GND
Description
Rotor-state detection
Input power
Output pin
Output pin
Ground
Ordering Information
AH286 X - X X X
Wafer Body
Blank or
A~Z : if necessary
to specify
Package
P: SIP-5L
W: SOT23-5L
Y: SOT89-5L
Lead
L : Lead Free
Packing
Blank : Bulk
A : Tape & Reel
(for SOT Packages Only)
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. 1.0 Sep 29, 2005
1/9
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