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AH9281RTR-G1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AH9281RTR-G1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
1 / 14 page Data Sheet Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD AH9281/82 Nov. 2010 Rev. 1. 2 BCD Semiconductor Manufacturing Limited 1 General Description The AH9281/82 is a one-chip solution for driving two-coil brushless DC motors and fans. Based on the advanced CDMOS process, the IC contains a Hall-effect sensor, dynamic offset correction and powerful output drivers with 1200mA peak output current capability. Specially designed for driving large fans, the device is optimized for low start-up voltage. Frequency Generator or Rotation Detection is available. The open drain output makes easier the connectivity with any external interface such as hardware monitoring or Super I/O IC. The AH9281/82 is available in TO-95 and SOT-89-5 packages. Features • High Sensitivity Integrated Hall Sensor • Low Start-up Voltage • 5V, 12V and 24V Operation • Peak Output Current up to 1200mA • Power Efficient CMOS and Power MOSFETs • Built-in Output Protection Clamping Diode • Locked Rotor Shutdown and Auto-restart • Integrated Tachometer (AH9281) or Alarm (AH9282) Signal Output • ESD Rating: 6000V (Human Body Model) 400V (Machine Model) Applications • 5V/12V/24V DC Brushless Motor/Fan • PC, Server, Laptop Cooling Fan • Power Supply Cooling Fan • Large or Small Fans TO-95 SOT-89-5 Figure 1. Package Types of AH9281/82 |
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Similar Description - AH9281RTR-G1 |
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