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Home » NEWEST Products » New by Category » Power » ZXBM1021 Motor Control Pre-Driver - Diodes Inc.
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Diodes Incorporated ZXBM1021 Motor Control Pre-Driver

Diodes Incorporated ZXBM1021 Motor
Control Pre-Driver

Diodes Incorporated's ZXBM1021 Motor Control Pre-Driver is a high performance, low noise, single-phase, Direct Current Brushless (BLDC) motor pre-driver with variable PWM speed control and current control suitable for fan and blower motors. For system flexibility the motor speed can be controlled by either an external PWM control signal or by a DC voltage signal from an external control voltage or from a Thermistor network. To prevent motor inrush current the device has a soft start feature. To help protect the motor coil, the ZXBM1021 provides rotor lock protection which shuts down the output drive if rotor lock is detected. The device automatically re-starts with soft-start when the rotor lock is removed. The ZXBM1021 monitors the motor current to provide a programmable over current limit.

  • Operating voltage: 6.8V to 18V
    • Can be extended with external regulator
  • Speed control via external PWM, DC or Thermistor signals
  • Low noise, high efficiency
  • Soft start
  • Integrated current control
  • Reference voltage output
  • Built-in Hall amplifier for direct connection of Hall element
  • Rotor Lock Protection
    • Lock detection, output shutdown and automatic re-start
  • Minimum speed setting
  • Frequency generator (FG) output
  • Thermally enhanced space saving low profile U-QFN4040-20 and industry standard QSOP-20 packages
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free "Green" Device
  • Personal, servers and mainframe computers cooling fans
  • Instrumentation and equipment cooling fans
  • Home appliance fans and blowers
  • Central heating blowers and extraction systems
  • Industrial fans, blower and extractors
  • Hand dryers
  • Hand-held power tools
  • Pumps
Block Diagram
Block Diagram
  • Diodes Incorporated