TPS28225DRBR

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Power Management Integrated Circuit (PMIC) Gate drivers are power modules designed to drive high and medium power loads, such as solenoids, pumps and motors. These PMIC gate drivers are designed with advanced analog and high power switching technologies to provide motor position control and protection. The Texas Instruments TPS28225DRBR is one such PMIC gate driver. It is designed to drive two high and medium power loads, and it offers a slew rate control and multiple protection features.

Features of TPS28225DRBR

TPS28225DRBR features many features, offering flexibility and increased safety to the user. It includes a dual high side driver with internal high side current sensing. The current sensing feature means that the driver can detect an increase in current and shut off the output before it becomes dangerous. It also includes a slew rate pin, allowing the user to select an operating range for the driver. This range can be adjusted to provide smoother power delivery, or to limit current spikes. Additionally, the driver features an input voltage range from 4V to 30V, and an output switched voltage range from 2V to 28V, allowing it to be used in many different applications.

Applications of TPS28225DRBR

TPS28225DRBR can be used in a variety of applications, particularly those involving high or medium power loads. It is suitable for driving pumps, motors and solenoids, as well as for controlling motor position. It can also be used for moderate speed fan control. Owing to its power delivery options and protection features, it is suitable for a wide range of industrial and automotive applications. Additionally, it is offered in a small 2.0 mm x 3.00 mm QFN package, making it ideal for applications where size and weight are a concern.

Working Principle of TPS28225DRBR

The TPS28225DRBR is a dual integrated power MOSFET driver. It works by combining two MOSFETs into a single IC. The two MOSFETs, one P-channel and one N-channel, are connected through two Vcc pins, with the GND pin acting as a common ground between them. When the voltage at the Vcc pin is equal to or lower than the voltage at the input, the MOSFETs turn OFF. When the voltage at the Vcc pin is higher than the voltage at the input, the MOSFETs turn ON, allowing current to pass through the circuit.

In order to provide protection against overcurrent, the TPS28225DRBR features an internal current sense circuit. This senses a rise in voltage due to excessive current passing through the circuit, and shuts off the MOSFETs before the current can become dangerous. Additionally, the TPS28225DRBR is equipped with slew rate limiting, to help reduce current spikes. This enables the user to select the desired slew rate, in order to ensure smoother power delivery and reduce power losses.

Conclusion

The TPS28225DRBR is a high performance and highly efficient PMIC gate driver that is suitable for a range of applications, including motor position control and high and medium power loads. It is equipped with advanced design features, such as current sensing and slew rate limiting, which ensure that it is safe and efficient in operation. The TPS28225DRBR is offered in a small 2.0 mm x 3.00 mm QFN package, making it ideal for applications where size and weight are a concern.

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