A4945GLTR-T

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Introduction

A4945GLTR-T is an integrated, high performance dual full-bridge motor driver designed to drive two-phase bipolar stepper motors. This IC provides a full bridge of high-current outputs to support the logic inputs and allow a low consumption standby mode. The IC is suitable for a wide range of applications since it operates over a wide input voltage range of 5.5V to 45V.

Applications

The A4945GLTR-T motor drivers are ideal for driving two-phase bipolar stepper motors in a wide range of applications, including medical, industrial and laboratory equipment, as well as robotics, CNCs, and printer or computer peripherals. The ICs offer a wide range of exciting features, like an adjustable current regulation, variable output current, two level logic inputs, and low-power standby mode.

Features

The A4945GLTR-T motor drivers feature a wide current range from 0.5A to 7.5A with adjustable current regulation, low-power standby mode and protection against over temperature and short circuit. The A4945GLTR-T ICs also incorporate two level logic inputs to control the motors, a thermal protection circuit, and positive and negative output current limitation. Additionally, the device features an I2CF (I2C Fast Mode) and SPI interface and allows users to adjust, tune and monitor the motor’s operation parameters.

Working Principle

The A4945GLTR-T IC operates in a dual full bridge mode (two full bridge drivers connected with each other) to drive two-phase bipolar stepper motors. The two independent current sources are driven directly by the logic inputs without any additional components.The A4945GLTR-T motor drivers are able to provide a maximum output current of 7.5A, adjustable current regulation and two level logic inputs for motor control. Furthermore, the ICs are able to provide a low-power standby mode to achieve high efficiency.

Conclusion

In conclusion, the A4945GLTR-T motor driver is a high performance integrated dual full-bridge motor driver designed to drive two-phase bipolar stepper motors. The IC offers a wide range of features, including adjustable current regulation, two level logic inputs and low-power standby mode. Furthermore, the ICs offer an I2CF and SPI interface and protection against short circuit and over temperature. The A4945GLTR-T motor drivers are ideal for a wide range of applications, including medical, industrial and laboratory equipment, robotics, CNCs and printer or computer peripherals.

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