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DRV10866DSCR
5-V, 3-Phase, Sensorless, Brushless DC Motor Driver
FGS
GND
VCC
COM PWM1
100 kΩ
3.8 kΩ
VCC
PWMIN
2.2Fµ
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DRV10866SBVS206A –NOVEMBER 2012–REVISED MARCH 2015
DRV10866 5-V, 3-Phase, Sensorless BLDC Motor Driver Features 3 DescriptionDRV10866isa3- phase, sensorless motor driver Input Voltage Range: 1.65Vto 5.5V with integrated power MOSFETs with drive current• Six Integrated MOSFETS With 680-mA Peak capability up to 680-mA peak. DRV10866 isOutput Current specifically designed for low noise and low external Ultralow Quiescent Current:5 µA (Typical)in component count fan motor drive applications.
DRV10866 has built-in overcurrent protection with noStandby Mode
external current sense resistor needed. The• Total Driver H+L RDSOn 900 mΩ synchronous rectification modeof operation achieves• Sensorless Proprietary BMEF Control Scheme increased efficiency for motor driver applications. 150° Commutation DRV10866 outputs either FGor½ FGto indicate
motor speed with open-drain output. A 150°• Synchronous Rectification PWM Operation sensorless BEMF control schemeis implemented for• Selectable FG and½ FG Open-Drain Output a 3-phase motor. DRV10866 is available in the• PWMIN Input from15 kHzto50 kHz thermally efficient 10-pin, 3-mm× 3-mm× 0.75-mm
SON (DSC) package. The operating temperatureis• Lock Detection
specified from –40°Cto 125°C.• Voltage Surge Protection UVLO
Device Information(1) Thermal Shutdown
2 Applications(1) Forall available packages, see the orderable addendumat• Notebook CPU Fans the endofthe data sheet. Game Station CPU Fans ASIC Cooling Fans
DRV10866 Typical Application
