DRV3203QPHPQ1

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The DRV3203QPHPQ1 is designed for providing efficient drive of large fan motors and other 3-phase brushless DC motors in commercial and industrial products. This three-phase, two-phase paralleled driver is conceived to guarantee a low power dissipation and a simple design. It provides an optimized solution to drive the motor with minimal inductor volume and component count. The device is a programmable 3-phase brushless fan motor driver and controller. It features integrated drivers and wide operating voltage range offering superior efficiency and maximum light load operation. Its integrated Hall effect interfaces and speed control circuit allow for automatic fan speed control with minimal external circuits.

Features

• Wide operating voltage range up to 48V
• Integrated drivers and wide operating voltage range
• Integrated Hall effect interfaces and speed control circuit
• Measured Efficiency up to 97\% at low slippage
• Compact orientation and predictable e-BOM
• High efficiency power stage design
• Low power dissipation and simple design
• Integrated lead angle function
• High Current Drive Capability
• Programmable operating frequency up to 1 MHz

Application Field

The DRV3203QPHPQ1 is ideal for applications that involve high current drive capabilities and large fan motors, such as cooling blower motors, home appliances, cooling fans, industrial pumps, and medical cooling modules. It is also suitable for applications that require a compact orientation, such as air conditioners, automation machines, robots, laser machines, and computer cooling fans.

Working Principle

The DRV3203QPHPQ1 utilizes three half-bridge drivers to control the power sent to the motor. The half-bridge drivers switch between Vcc and Gnd with control signals generated by the internal control logic. The two-phase paralleled PWM control algorithms enable the device to efficiently drive large fan motors. It also provides integrated Hall effect interfaces and speed control circuitry for automatic fan speed control while minimizing the external circuits. The device is further capable of sensing the motor direction and controlling the lead angle of the motor.

Conclusion

The DRV3203QPHPQ1 is an ideal solution for drives of large fan motors and other 3-phase brushless DC motors. Its wide operating voltage range, integrated Hall effect interfaces and speed control circuit for automatic fan speed control make it suitable for a wide array of applications. Furthermore, its integrated lead angle function helps to optimize the overall performance of the motor.

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