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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, SOT2...

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SeekIC No. : 004278808 Detail

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:...

AH286 Data Sheet

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Part Number:
AH286
Supply Ability:
5000

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  • 1~5000
  • Unit Price
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/8/13

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Product Details

Description



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




Pinout

Connection Diagram




Specifications

Characteristics
Symbol
Rating
Unit
Supply voltage
Vdd
24
V
Output Current
I O(AVE)
SIP5/SOT89-5

500
mA
SOT23-5
400
I O(PEAK)
700
Power Dissipation
PD
SIP5
550
mW
SOT23-5
230
SOT89-5
800
Operating temperature range
Topr
-40 ~ 100
°C
Storage temperature range
Tstg
-55 ~ 150
°C
Maximum Junction Temp.
Tj
150
°C
Thermal Resistance
jc
SIP5
227
°C
SOT23-5
543
SOT89-5
156


Part Number AH286
Output Comp.
Description Hall Effect Smart Fan Motor Controller
Operating Voltage (V) 3.8 to 20
Typical Supply Current (Ave)
Output Current (Ave) 500mA
Operating Point Bop (Gauss) 5/60
Release Point Brp (Gauss) -60/-5
Operating Ambient Temp Range (°C) -40 to +100





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 of AH286 repeats while the rotor is blocked. Until the blocking is removed,the motor recovers running normally.






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