TPS2231MRGPR-1

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The TPS2231MRGPR-1 is a power management integrated circuit (IC) from Texas Instruments. This device is an automotive-grade PMIC that belongs to the family of Power Distribution Switches, Load Drivers. It is designed to provide a range of features including flexible switch routing, load driving, and other power management functions.

The TPS2231MRGPR-1 is typically used in automotive applications such as electric power steering, brake systems, and motor control — operating over car battery power transients and extended operating temperature range. It leverages the precision, fast switching, and low-power features of PMICs, which together enable power management functions in electronic vehicles.

Working Principle

The TPS2231MRGPR-1 is an integrated device that integrates various technologies such as multiplexers, drivers, and voltage regulators for an efficient power management system. The device includes two independent low-side N-channel MOSFETs with integrated sense resistors to provide overcurrent and overtemperature protection, and to switch power from multiple sources to the various systems, such as motors and pumps, within the vehicle.

The device includes a built-in high-side driver, 3-Amps peak current, to allow for the control of large loads. The driver can be enabled and disabled via a single pin and provides an adjustable speed control and PWM signal, allowing the load to be switched at high speeds. At the same time, it is protected against overtemperature, open load and short circuits.

In addition to the high-side driver, the device also features a dual multiplexer, high-side and low-side, which allows users to route signals to the multiplexer outputs. The device also includes a power supply with an adjustable output voltage and a current monitor, allowing for accurate control of the operating conditions.

The device also includes a low-side driver, true-open drain structure, to efficiently drive low-side loads. This driver can support variable PWM signal from 4 mA to 20 mA. The device also includes various additional features such as an adjustable delay time and a shutdown signal to reduce power consumption.

Summary

The TPS2231MRGPR-1 is an automotive-grade device from Texas Instruments that belongs to the family of Power Distribution Switches, Load Drivers. It is designed to provide a range of features including multiplexers, drivers, and voltage regulators for an efficient power management system. Additionally, the device includes various features such as a high-side driver, low-side driver, adjustable PWM signal, adjustable delay time and a current monitor, which together enable power management functions in electronic vehicles.

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