TPS22953DQCR

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The TPS22953DQCR is a high-performance Load Switch for PMIC - Power Distribution Switches, Load Drivers. This device is suitable for various loads and offers a low quiescent power mode. This application note covers the working principle of this device and its applications.

Working Principle of TPS22953DQCR

The TPS22953DQCR is a single-channel load switch device with an RDS (ON) of 0.050 Ohms and a continuous current rating of up to 7A. The device operates by turning on the output switch when an appropriate logic signal is applied to the EN input. When the EN signal is active, the load switch will connect the VIN pin to the terminal VOUT. When the EN signal is inactive, the switch will disconnect VIN from VOUT. The device is also equipped with a slew rate control that allows it to be configured to transition at the required speed when turning on and off.

The TPS22953DQCR also features a low-quiescent power mode that is able to detect when the input voltage falls below the turn-off threshold. In this mode, the power consumption of the device reduces by almost 90% and limits ground current spikes to a minimum. This feature allows the device to be used in battery-powered applications where power consumption is a critical factor.

Applications of TPS22953DQCR

The TPS22953DQCR can be used in a variety of applications such as smartphone and tablet chargers, automotive power distribution, and wireless charging. The device is ideal for applications that require a high efficiency, low quiescent power switching device. Additionally, the device offers unique features such as overvoltage and overtemperature protection, which makes it suitable for applications in harsh environments.

The TPS22953DQCR is also well suited for automotive applications, such as those where the input voltage can vary from 6 V to 48 V. The device is able to provide the necessary load power without any external components and thus helps to reduce system size and with it, reduce overall cost.

In summary, the TPS22953DQCR is a high-performance, single-channel load switch suitable for a variety of applications, including those in harsh environments. With its low quiescent power mode and slew rate control, this device offers a premium solution for designers who are looking to reduce system size and cost while increasing efficiency.

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