DRV8880PWP

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PMIC - Motor Drivers, Controllers

DRV8880PWP is a precison motor driver from Texas Instruments. It is a high-voltage integrated motor driver, with a wide range of applications for industrial and consumer applications. The device can drive bi-directional motors with up to 8 A continuous output current and 16 A peak current. It features a precision half-bridge design based on silicon MOSFET technology.

Application Field

The DRV8880PWP is suitable for a range of applications, including light-duty brushless DC motors, stepper motors, and brushed DC motors. The device is also suitable for controlling large current environment, such as heavy-duty electric forklifts, electric wheel chairs, and electric bicycles. The DRV8880PWP is a perfect choice for these applications due to its high-current rating and low voltage drop. Additionally, the device can be used in robotics applications, such as robotic arms and servos.

Working Principle

The DRV8880PWP is based on a half-bridge design, which uses two integrated MOSFETS as the switches. The device has two inputs for direction control and enable. When the Enable input is asserted, a high current pulse is applied to the motors, depending on the direction control inputs. The high current pulses causes the motor to move in the desired direction at the given speed. The current levels are set by an external current sense resistor. The device also features an adjustable Under-Voltage Lockout (UVLO) circuit, which disables the device when the voltage is below a certain level.

The DRV8880PWP also features an On-chip controller that enables synchronous rectification of the motor current at low speeds. This increases efficiency at low speeds for longer battery life. The device also features a low-side current sensing circuit that helps protect against current surges.

The DRV8880PWP is a feature-rich, high-performance motor driver that is suitable for a variety of applications. Its ability to deliver high currents at low voltages makes it an ideal choice for industrial and consumer applications that require precise motor control.

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