TPS2231MRGPTG4

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TPS2231MRGPTG4 is a member of Texas Instruments’ Power Management IC family and falls under the product category of PMIC - Power Distribution Switches, Load Drivers. It is an ultra-low quiescent current, wide temperature range, high linearity voltage-controlled switch designed to provide efficient signal and power distribution paths while operating at a wide variety of input voltages. It has been designed specifically to provide reliable and safe operation in harsh environments such as automotive, industrial, and communication applications, where the operating temperature range extends from -40°C to +125°C.

TPS2231MRGPTG4 operates at a nominal voltage of 5V and can switch up to ±25V input voltages, making it ideal for use in applications where a wide range of potential voltages could be presented. It provides a high-side switching action with a low-side ground, low on-resistance while maintaining low residual voltage drop, and low leakage current, allowing for high-efficiency power distribution. It has a wide range of output load current ranges from 5mA to 7A. The unit supports up to 7A in continuous current (CC) mode, enabling robust power transfer for multiple outputs.

The device has been optimized for several application fields, such as automotive systems, industrial control, instrumentation, communication and consumer applications. It offers a wide variety of protection features to ensure reliable operation in these harsh and potentially damaging environments. It has both an internal over-current protection feature that prevents it from switching on if an over-current condition is detected, and an integrated thermal shutdown that prevents it from turning on in the presence of excessive temperature. It is also rated and tested per the relevant AEC-Q100 requirements.

It operates on a charge-throw (CT) basis, where it utilizes a charging capacitive element that is connected between the DRV and the CS pins. When the charge current to the capacitive element is high enough, a voltage is developed across it which causes it to switch the output either on or off. It also features an internal pull-down resistor which helps to ensure a better response time when switching between output states, as well as a low-level switch-off voltage for improved current-handling capability.

The TPS2231MRGPTG4 also comes equipped with both a programmable delay time and an adjustable threshold voltage that can be used to aid in the design of power distribution systems. This allows for additional flexibility in controlling the timing and voltage of the device, thereby increasing overall device reliability. Furthermore, the device allows for a flexible power-up and power-down sequence, which allows for more efficient and safe power distribution.

Overall, the TPS2231MRGPTG4 is an efficient and robust power distribution switch designed to provide reliable and safe operation in automotive, industrial, communication, and consumer applications. Its wide variety of features and protection mechanisms make it a great choice for designers who are looking for an economical, reliable, and versatile power distribution solution.

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