TPS3850G50DRCR

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The TPS3850G50DRCR PMIC (Power Management IC) - Supervisors is a small Package Supervisor that provides overvoltage/undervoltage trip points, adjustable hysteresis voltage level, as well as one external or two internal trip points. It is designed to protect sensitive electronic circuits from damage caused by overvoltage and undervoltage fault conditions.

The device is capable of operating with an input voltage range of 1.5V to 5.5V. The TPS3850G50DRCR offers protection against input voltages at different thresholds. The undervoltage (UV) threshold is programmable with a voltage selection pin, while the overvoltage (OV) threshold is set at typically 4.375V. The device is offered in a small SOT23-5L package that consumes only typically 500 nA of quiescent current in active mode.

TPS3850G50DRCR Applications

The TPS3850G50DRCR is suitable for a wide range of applications, including protection for personal systems, industrial controllers, appliances and lighting applications. It can be used for overvoltage/undervoltage protection, pre-start control, over temperature control, power switch and reset control. The device is especially suitable for developing flexible and cost-effective overvoltage/undervoltage protection solutions, as well as for sensor power management and stator voltage monitoring.

The TPS3850G50DRCR provides a programmable undervoltage input, which adjusts the trip point duration. This allows the designer to set different trip points depending on application requirements. Its adjustable hysteresis voltage level provides flexibility in setting the OV and UV thresholds. All these features, together with its small SOT23-5L package and low power consumption in active mode, make it suitable for any cost-sensitive application.

TPS3850G50DRCR Working Principle

The TPS3850G50DRCR uses an integrated voltage regulator and switch to provide overvoltage/undervoltage protection for the system. The OV threshold is typically set at 4.375V, while the UV threshold is programmable, with an adjustable hysteresis voltage level. There are two inputs, PWR and EN, which ensure that the device is always operating correctly. The PWR input is connected to the system power supply, and the EN input is connected to an enable signal. When the UC threshold is triggered, the device outputs a reset signal to the system.

The TPS3850G50DRCR has an adjustable hysteresis voltage level, which can be set using the voltage selection pin. This allows the designer to set different OV and UV thresholds. The device is also capable of monitoring two external trip points, or two internal trip points, to provide additional protection. The device also offers a programmable delay time that allows the designer to set the time required for the reset signal to be triggered.

In summary, the TPS3850G50DRCR PMIC is a small Package Supervisor that provides overvoltage/undervoltage trip points, adjustable hysteresis voltage level, as well as one external or two internal trip points. It is designed to protect sensitive electronic circuits from damage caused by overvoltage and undervoltage fault conditions, and offers a range of features in a small SOT23-5L package. It offers an adjustable hysteresis voltage level, allowing for different OV and UV thresholds, and can monitor two external or two internal trip points for additional protection.

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