BQ24261EVM-079

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Evaluation and Demonstration Boards and Kits play an important role in the development and evaluation of new products. The BQ24261EVM-079 is an evaluation and demonstration board specifically designed to evaluate the BQ24261, a complete system load regulating buck converter. The converter offers output current up to 1.75A, adjustable output voltage and current limiting, as well as other features. To evaluate the device, two external connections are required - an input power source and a load. The board also includes an array of connectors and switches to interact with the device and its settings and to provide a variety of application options. This article presents an overview of the application field and working principle of the BQ24261EVM-079.

The BQ24261EVM-079 is intended for use with 5-V to 10-V input voltage sources and 2.5-V to 5.5-V adjustable output voltage from the converter. With the built-in current-limit feature, the maximum output current can be set to 1.75A. To interact with the converter\'s settings, the board includes a jumper, 3-position switches, and control input pins. The output voltage can be adjusted using the 3-position switch or the input control pin. The maximum output current can be set using the jumper or the control pin. The board also includes an error output pin to indicate undervoltage and overvoltage and an enable pin to control the part.

The BQ24261EVM-079 can be used for a range of applications, from automotive and portable consumer devices to industrial systems. For automotive applications, the board can be used for engine vehicle start/stop, brake/clutch lamp battery isolator, and system battery voltage monitoring. For industrial applications, the board can be used to regulate the power supply of robots or motor controllers, as well as control power supply safety. In portable consumer devices, such as mobile phones, tablets, and laptops, the board can be utilized to regulate the output power from the battery for the device.

The board is based on the BQ24261 system load regulating buck converter. The device incorporates a fixed frequency peak-current-mode PWM controller and an internal N-channel MOSFET. The part is capable of delivering a 1.75-A, adjustable output voltage while maintaining high efficiency. It also provides overvoltage protection, undervoltage protection, current-limit protection, and thermal shutdown protection.

The BQ24261EVM-079 utilizes an external power source and load to evaluate the part and its settings. The input voltage can range from 5 to 10V, while the adjustable output voltage ranges from 2.5 to 5.5V. The maximum output current is set to 1.75A using the jumper or the input control pin. The output voltage can be adjusted using the 3-position switch or the input control pin.

In addition, the board includes an array of connectors and switches to interact with the device and its settings and to provide a variety of application options. The board is equipped with two mechanical switches for load control, a three-position switch for output voltage adjustment, and 2 headers for overvoltage and overcurrent protection. It also includes an enable pin and error output pins to indicate faults.

To sum up, the BQ24261EVM-079 is an evaluation and demonstration board designed specifically to evaluate the BQ24261 system load regulating buck converter. The board enables the evaluation of the part with adjustable output voltage, current-limit protection, overvoltage protection, undervoltage protection, and thermal shutdown protection. It is suitable for a range of applications, from consumer devices to industrial systems. The board is equipped with an array of connectors and switches to interact with the device and its settings and to provide a variety of application options.

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