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TPS22907YZTT application field and working principle

TPS22907YZTT, as a Power Management Integrated Circuit (PMIC) is used as a Power Distribution Switch, Load Drivers. It is designed to operate as a switch or a low- side switch that is primarily used to control power to loads in Battery-Operated or line-operated applications and enhances system efficiency by delivering multiple characteristics.

Relying on low power consumption technology, The TPS22907YZTT improves overall system performance while offering robust high current load switching capability. This device functions as either a single- or multi-channel power manager, depending on the application.

Application Field of TPS22907YZTT

The TPS22907Yztt is well suited for applications characterized by space and cost restrictions including wearable, portable, automotive, industrial, and consumer electronics. Some typical applications are wearable electronics, toys and remote controls, industrial controllers, consumer products, personal digital assistants (PDAs), digital cameras, and portable navigation devices.

Its features and performance are optimised for use in energy-hungry applications such as power amplifiers, power over Ethernet (PoE), personal computer (PC) enthusiasts systems, and consumer audio and video components.

Working Principle of TPS22907YZTT

The TPS22617YZTT is a single channel power switch with a single linear regulator and is driven by a 3-pin control interface. This device is powered from a single-supply voltage for the entire device and power for the regulator output is sourced directly from the input voltage. This device features over-temperature protection, discontinuous frequency operation, adjustable oscillator frequency, short circuit protection, variable switching frequency and variable power mode operation.

Additionally, the device has an enable pin that allows the user to enable and disable the power switching and linear regulator. The enable pin also allows the user to standby the device to reduce power consumption without disabling the device.

The device has an integrated Power Path Management (PPM) control that enables the user to programme the operating power state of the power switch. PPM control allows the user to select between three different operating power states: active, stand by and low power mode.

The device also allows the user to control multiple power supplies independently, providing a total of four switching channels: two for the outputs of the linear regulator and two for the outputs of the power switch. Additionally, the user can program each of the switching channels independently, offering flexibility for various applications.

The device is protected against over-temperature and short-circuits, as well as provides reverse current protection and programmable power level detection. The TPS22617YZTT provides a very efficient power delivery and control solution for various applications including wearable, portable, automotive and industrial.

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