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Three-phase Full-wave DC Brushless Fan Motor Drivers

Three aspect wave DC brushless fan moters of ROHM that are suitable for 5V driving type for note PC cooler fan and 12V driving type that can be used for the home applicances are assorted. 

RoHM'SDC Brushless Motor Drivers for Cooling Fans

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Specifications Part No. Package Features
150° Electrify PWM Speed Control
BH6717NUV

VSON010V3030


Block Diagram
Expanded
  

Features

Direct 150°power PWM system

The first PWM150° energizing method is adopted as a control of drive in the field.. Silence and a low vibration are achieved when the noise of the driving is suppressed through making the change of the aspect of the motor driver current more smoothly compared with a past, general soft switching drive method.

  
Expanded
Low power consumption
Built-in rotor location detection function ensures stable start up
Ultra small package is used( VSON010V3030)
Reduced external component

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DC Brushless Motor Drivers for Cooling Fans

Part No. Supply voltage
(V)		 lomax
(mA)		 Power Tr. Output
Saturation
Voltage
(V)		 Speed Control Hall
Bias
Voltage
(V)		 Zenner
Diode
Clamp
Voltage
(V)		 Output
Clamp
Voltage
(V)		 Lock
Time
Raito		 Package RoHS Distribution
Inventory
Reset
BH6717NUV 1.8 to 5.5 700 CMOS Upper and Lower total 0.25(@250mA) Direct PWM - - - 1:10 VSON010V3030 Yes

 

* F=Forward, R=Reverse, S=Standby, B=Brake

Motor Drivers for
Brushless DC Cooling Fans

2008.12.18

Low Power Consumption 3-Phase Sensorless Notebook Fan Motor Driver