Three-phase Brushless Motor Driver with Speed Control - BD67929EFV

BD67929EFV is a 3-phase brushless motor driver for polygon mirror motors of direct PWM drive type built-in PLL ensuring. As for its basic function, it is a 3-phase 120°energization direct PWM drive type with power supply rated voltage of 36V and rated output current 2.3A. It is useful for high speed drive. It has the P-MOS and D-MOS on the output block, and the output ON Resistance is very low 1.35O(Typ.). It is very useful for low power consumption. And this IC is high reliability due to built-in each protection functions (thermal protection, over current protection, restricted protection circuit).

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD67929EFV-E2 Active HTSSOP-B28 2500 2500 Taping Yes
Grade Standard
Usage LBP Polygon
Type Driver
Vcc (Max.)[V] 36.0
Power Supply Voltage (Max.)[V] 28.0
Power Supply Voltage (Min.)[V] 19.0
Iout (Max.)[A] 2.5
Commutation Logic[°] 120
Sensor Type 3 sensor
Speed Control Input CLK
For Fan Motor -
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 85
  • ・3-Phase MOS120°energization, direct PWM drive type
    ・High output current: 2.5A
    ・Low ON resistance DMOS output
    ・PLL control circuit
    ・Phase lock detection circuit
    ・Current limiting circuit
    ・5V regulator output
    ・Power-saving function (SS)
    ・Short brake function (SB)
    ・Built-in logic input pull-up resistor
    ・Restricted protection circuit
    ・CLK un-input protection circuit
    ・CLK input baffler chattering circuit
    ・Over current protection circuit (OCP)
    ・Thermal shutdown circuit (TSD)
    ・Over voltage lock out circuit (OVLO)
    ・Under voltage lock out circuit (UVLO)
    ・Electrostatic discharge: 8kV (HBM standard)
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New Products:
Technical Data
Application Note

Thermal Resistance