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ZXBM2004 - TWO PHASE VARIABLE SPEED MOTOR CONTROL PRE-DRIVER

General Description

The ZXBM2004 is a 2-phase, Brushless Direct Current (BLDC) motor control pre-driver with variable PWM speed control suitable for fan and blower motors.

Key Features

  • Supports two-phase BLDC motor control.
  • Operating voltage: 4.7V to 18V o Can be extended with external regulator.
  • PWM speed control via external Thermister, DC voltage or PWM signals.
  • Reference voltage output.
  • Built-in Hall amplifier allows direct connection of Hall element.
  • Rotor Lock Protection (Lock detection, output shutdown and automatic re-start).
  • Rotor lock detect (RD) output.
  • Minimum speed setting.
  • Frequency.

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Full PDF Text Transcription for ZXBM2004 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for ZXBM2004. For precise diagrams, and layout, please refer to the original PDF.

NEW PRODUCT ZXBM2004 TWO PHASE VARIABLE SPEED MOTOR CONTROL PRE-DRIVER Description Pin Assignments The ZXBM2004 is a 2-phase, Brushless Direct Current (BLDC) motor contro...

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he ZXBM2004 is a 2-phase, Brushless Direct Current (BLDC) motor control pre-driver with variable PWM speed control suitable for fan and blower motors. For system flexibility, motor speed can be controlled by changing SPD pin voltage which can be either from Thermistor network, external voltage or PWM signal. To help protect the motor coil, the ZXBM2004 provides Rotor Lock Protection which shuts down the output drive if rotor lock is detected. The device automatically re-starts when the rotor lock is removed. A Tachometer output is provided by open-drain Frequency Generator (FG) Pin which allows external interface to monito

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