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Description
AH280 is an integrated Hall sensor with two complementary outputs designed for motor coil driving. It features auto locked shutdown and auto restart functions. The functional block diagram includes a regulator with temperature-compensated band-gap, an on-chip Hall voltage generator, a comparator, a Schmitt trigger, and two current output drivers. The regulator provides a wide operational voltage range. The Hall voltage generator amplifies the Hall voltage due to the Hall effect, while the Schmitt trigger provides switching hysteresis for noise rejection.
Specifications and features
- On-chip Hall plate
- Built-in Zener diode protection for output driver
- Built-in protection diode for power reverse connecting
- Rotor-lock detection
- Automatically restart after release of motor locking
- Adjustable auto restart time
- Operating voltage: 3.5~20 V
- Max Output current: IO(AVE) = 500mA
- Packages: SIP-5L, SOP-8L, SOP-8L EP
- Requires less external components
Application Scenarios
The AH280 Hall sensor is commonly used in motor coil driving applications. Its auto locked shutdown and auto restart functions make it suitable for scenarios where motor locking can occur. It is designed to operate within a wide voltage range, making it versatile for various voltage-dependent applications. The rotor-lock detection and adjustable auto restart time further enhance its versatility in different motor control systems.
Comparison
Advantages- Integrated Hall sensor with complementary outputs
- Built-in protection for output driver and power reverse connecting
- Automatically restarts after release of motor locking
- Adjustable auto restart time
- Wide operational voltage range
- Multiple package options available
Disadvantages- May require additional external components depending on the application
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 06:37 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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