TPS22916CLYFPT

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TPS22916CLYFPT is a load switch family designed by Texas Instruments. It features a high-side power MOSFET that can be enabled or disabled through an independent control input. With up to 36 volts and up to 1.5 amps of continuous current, this family is ideal for use in industrial and consumer applications. The TPS22916CLYFPT family is also equipped with Adjustable Load CurrentLimit, Adjustable Over-Current Protection, and Reversible Voltage Sense Architecture, making it suitable for medium- to high-power loads.

The TPS22916CLYFPT includes the device number TPS22916C(YFX), and each device comes in a 6-pin micro SOT143 surface mount package. The device comprises an integrated power MOSFET, P-Channel power MOSFET, feedback sensing current limiting circuitry, over-current circuit protection, and a logic input control FET. Its quiescent current is just 0.25 microamps, making it suitable for multiple application environments.

The TPS22916CLYFPT is a load switch that enables or disables its output based on the logic level at its control pin. It includes several protection circuits, such as over-current protection, under-voltage lockout, and adjustable load current limit, to give greater flexibility for a variety of applications. In addition, the Reverse Voltage Sense Architecture helps with the overload protection and accuracy of the device.

The applications in which the TPS22916CLYFPT family can be used include space-constrained designs, where the device is optimized to save board space, and extends battery life. It is suitable for industrial, consumer, automotive, mobile and computing applications, including solar-powered applications due to its low quiescent 0.25 microamps current draw.

The working principle of the TPS22916CLYFPT is simple. When the control input is in a high logic state, the output ternary switch is enabled, allowing current to flow from the output to the load. When the control input is in a low logic state, the P-Channel power MOSFET switches off the circuit and stops current from flowing from the output to the load. The device is configured using the Enable/Disable pins that control the output state of the device.

Additionally, there are two current-limiting thresholds that can be set on the TPS22916CLYFPT, a maximum current limit and a minimum current limit. The maximum current limit is set using the feedback circuit, which measures the current going through the power MOSFET and, when it reaches the threshold, triggers the over-current protection circuit. The minimum current limit is set using the adjustable load current limit, which can be set to the desired minimum level. When the measured current falls below the minimum limit, the circuit is switched off.

Furthermore, the Reverse Voltage Sense Architecture provides an accurate control and protection of the device. When the voltage at the input is reversed, the trigger circuit will detect the fault condition and immediately switch off the circuit. This ensures that the MOSFET is safely deactivated and the load is disconnected from the circuit. The device can also be built with a bypass function, which allows the input power to bypass the power MOSFET if the device is not enabled.

Overall, the TPS22916CLYFPT is an ideal device for use in industrial and consumer applications due to its adjustable high-side switch, adjustable load current limit, adjustable Over-Current Protection, and Reversible Voltage Sense Architecture. It also provides greater flexibility for a variety of applications, has a low quiescent current, and includes advanced protection circuits to ensure the safe operation of the circuit.

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