BQ24257EVM-150

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Evaluation and Demonstration Boards and Kits are versatile and multi-purpose devices for developers and manufacturers to evaluate and demonstrate new products, technologies and processes. The BQ24257EVM-150 is used to evaluate TI\'s BQ24250, BQ24251 and BQ24257 ultra-small, low-power system load switches.

The BQ24257EVM-150 is designed to give users more flexibility to explore various load switch applications. With its small size, low power consumption and simple wiring and configuration, it can be used for quickly prototyping a variety of load switch applications such as battery management, audio recording devices, medical instruments, sensor systems and automation systems.

The BQ24257EVM-150 has a wide range of operating environments. It offers a variable power supply voltage from 2.8V to 5.5V to simulate active power path management, reverse polarity and over-voltage scenarios. The EVM also offers an input voltage monitoring feature which allows the user to monitor the input source voltage and compare it to the expected limit. The EVM can be operated in three different modes including active, powered and inactive states.

The BQ24257EVM-150 is a fully integrated power management solution with an integrated MCP1640 Buck regulator, allowing for operation down to 0.8V input voltage. The EVM can be configured with Modes 1, 2 or 3, as determined by the input voltage, output current, and application requirements. Furthermore, the controller provides temperature-compensated current-limit protection and programmable soft-start current ramp.

The BQ24257EVM-150 also features integrated protection solutions to protect the feedback circuits from fault conditions. The chip has overvoltage and reverse polarity protection, both of which are monitored by the chip. Additionally, the chip offers an output over-temperature protection to prevent excessive heat generated from the system load.

The BQ24257EVM-150 requires a signal format, rotary switch and an input voltage from the user’s application or power system. The signal format output is then connected to the BQ24257EVM-150 by four PH connectors. The rotary switch allows the user to select the operating mode (Mode 1, 2 or 3) and, if necessary, to adjust the operating temperature (TMin, TMax, TCrit). Finally, the BQ24257EVM-150 requires an input voltage of between 2.8V and 5.5V with more than 1A of total current.

The BQ24257EVM-150 is a versatile evaluation board that is suitable for the evaluation of multiple load switch applications. It offers protection against fault conditions and provides temperature compensation for long-term stability. With its low power consumption, small size, and simple wiring and configuration, it can be used to quickly prototype a variety of load switch applications. Its integrated features make it a reliable and flexible solution for load switch applications.

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