Diodes Incorporated
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ZXBM1016 (Obsolete)

Single Phase BLDC Fan and Motor Pre-Driver with Adjustable Current Limit and Tail-End Current Control

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The ZXBM1016 is a high efficiency, low noise, single-phase, DC brushless motor pre-driver with PWM variable speed control and current control suitable for fan and blower motors. High efficiency and low noise are achieved using a novel technique (patent pending) for commutation current control. The controllers are primarily intended to meet industry standard OEM fan specifications where external PWM control are applied, however, they can also be used with other thermal control techniques using an external voltage, PWM signal or thermistor.


  • Compliant with external PWM speed control
  • Compliant with thermistor control
  • Minimum speed setting
  • High efficiency utilizing tail-end current control
  • Low noise
  • Auto restart
  • Built in Hall amplifier
  • Hall bias
  • Speed pulse (FG) output
  • Integrated current control
  • Up to 18V input voltage (60V with external regulator)
  • Small TSSOP20 package


  • Mainframe and personal computer fans and blowers
  • Instrumentation fans
  • Central heating blowers
  • Automotive climate control

Product Specifications

Product Parameters

Adjustable Current Limit Yes
Frequency Generator (FG) and Rotation Detect FG
Hall Bias Voltage (V) 1.75
High Side Switch Drive Sink Current (mA) 100
Lock Detect, Shut-Down and Auto Start Yes
Low Side Switch Drive Source Current (mA) 80
Minimum Speed Setting Yes
Operating Ambient Temperature (°C) -40 to 85
Operating Voltage (V) 6.7 to 18
Reference Voltage Output (V) 5
Speed Control -
SupplyCurrent (mA) 15
Tail End Current Control Yes

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