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AH289

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, SOT89-5LPinoutSpecifications Part Number AH289 Output Com...

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SeekIC No. : 004278811 Detail

AH289: 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: I...

AH289 Data Sheet

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Part Number:
AH289
Supply Ability:
5000

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

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Upload time: 2024/11/24

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Product Details

Description



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




Pinout

Connection Diagram




Specifications

Part Number AH289
Output Comp.
Description High Voltage Hall Effect Smart Fan Motor Controller
Operating Voltage (V) 3.8 to 28
Typical Supply Current (Ave)
Output Current (Ave) 400mA
Operating Point Bop (Gauss) 5/60
Release Point Brp (Gauss) -60/-5
Operating Ambient Temp Range (°C) -40 to +100


Characteristics
Symbol
Rating
Unit
Supply voltage
Vcc
30
V
Output Current
I O(AVE)
SIP5/SOT89-5

400
mA
I O(PEAK)
700
Power Dissipation
PD
SIP5
550
mW
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
SOT89-5
156





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 of AH289 repeats while the rotor is blocked.Until the blocking is removed, the motor recovers running normally.






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