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PT3956   5V All-in-One Single Coil Smart DC Fan IC with FG Output

The PT3956A is designed for magnetic actuating using a bipolar magnetic field. The built-in dynamic offset cancellation of pre-amplifier stage achieves optimal symmetrical magnetic sensing. The output driver provides a linear drive to eliminate switching noise. This Hall-effect IC is optimal for notebook cooling fan application.The supply voltage range is from 1.8V to 8.5V and the output current is 400mA.

  • 1.8V~8.5V supply voltage
  • Single phase full wave
  • Soft switching output
  • Built-in Hall sensor
  • Motor locked protection &automatic restart
  • ESD protection: 8KV
  • FG output
  • Support pre-driver application
  • Built-in hysteresis comparator
  • Built-in Zener diode
  • High sensitivity & low thermal drift magnetic sensing
  • Low power consumption & high driving efficiency
  • Single coil 5V brushless DC fan
  • Cooling fan for notebook
  • Cooling fan for portable device.

PT3956 /PKG:TSOT25F -5pins

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