STMPS2141STR Integrated Circuits (ICs)

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Introduction:

STMPS2141STR is a power management IC (PMIC) of the power distribution switches, load drivers class. It offers precise control of external voltage in a wide range of current applications, with low power consumption, fast response and low noise. In addition, it supplies precise solutions for battery management systems. STMPS2141STR is applicable for all types of battery chemistry—rechargeable and non-rechargeable, primary and secondary, supercapacitor and capacitive--making it an excellent choice in a wide range of battery-powered solutions.

Application field:

STMPS2141STR is designed to be used in many different applications, for both 3.3V and 2.5V logic systems. It can be used in power management circuits for Li-ion, Li-polymer and NiMH battery-powered devices including laptops, digital cameras, cell-phones and MP3 players. It can also be used in digital camera power management, home appliances, automotive control systems, telecommunication equipment and video game controllers. This PMIC can provide protection against short circuits, battery overcharge and over-discharge. It can also be used as a PWM controller, providing a wide range of adjustable power and voltage.

Working principle:

STMPS2141STR is based on a MOSFET bridge circuit controlled by an internal state machine. This internal state machine is programmed to allow for specific operational conditions dependent on the application field. The device contains two MOSFETs which are arranged in a bridge configuration. This configuration is used to control the current flow across the MOSFETs and generate the desired voltage or current. The device features a wide input voltage range from 2.5V to 10V, allowing for easy integration into most systems. Additionally, STMPS2141STR features tight-tolerance voltage regulation, adjustable current limits and low EMI noise for better performance.

The power switch is controlled by an integrated digital controller, which is programmed to allow the device to switch between two operating modes based on the input voltage. For example, in 3.3V mode, the device will control the voltage between 3.3V-10V, while in 2.5V mode, it will control the voltage between 2.5V-10V. Additionally, the device includes an adjustable current limit which helps to protect against overloaded transistors.

STMPS2141STR provides a high level of accuracy and flexibility in power distribution applications. Its circuitry provides accurate current and voltage control with low noise and power consumption. In addition, it features integrated protection against over-voltage and over-current conditions. The device is designed for simple and easy integration into most systems.

Conclusion:

STMPS2141STR is a PMIC of the power distribution switches, load drivers class. It offers precise control of external voltage in a wide range of current applications, with low power consumption, fast response and low noise. This device is designed for simple and easy integration into most systems, offers adjustable current limits and low EMI noise for better performance. STMPS2141STR can provide protection against short circuits, battery overcharge and over-discharge, making it an excellent choice in a wide range of battery-powered solutions.

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