BQ24381EVM

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Evaluation and Demonstration Boards and Kits are products specifically designed to facilitate the development and testing of the performance of a range of products. The BQ24381EVM is a complete evaluation and demonstration board, allowing users to assess the features and capabilities of the Texas Instruments BQ24381 power management integrated circuit (IC). This board contains all the necessary support circuitry and components required for the user to fully evaluate the BQ24381 power-management IC. This article will explain the application field and operating principle of BQ24381EVM.

The BQ24381 is a single-channel linear Li+ charger for use with either a 3.2V or 4.2V lithium-ion/polymer battery. It integrates an internal MOSFET switch, reverse current blocking capability, reverse battery protection, and thermal regulation to ensure a high level of system safety and performance. The application field of BQ24381EVM evaluation board is chargers for portable consumer electronics such as MP3 players, digital cameras, and mobile phones. It is particularly suitable for applications where low cost and low power consumption are essential, such as notebook computers.

The BQ24381EVM is a fully integrated evaluation board for power-management ICs. This board includes a set of external components including input and output capacitors, a voltage divider, and an I2C header. This board also includes a USB mini-B connector, allowing for the connection of either a USB power source or a PC for data transfer. The power source can be a single-cell Li+ battery, or a USB-powered device. The BQ24381EVM can be used both with a USB power source and as a stand-alone evaluation board, depending on the application requirements.

The working principle of the BQ24381EVM is based on the underlying BQ24381 power-management IC. The BQ24381 is designed to provide efficient system power management for a range of applications. This is achieved by using a combination of an internal clock, dynamic FETs, and adaptive regulation. The clock is used to synchronize the various internal signals required for power management. The FETs, or MOSFETs, are used to control the system power flow and are dynamically adjusted based on input conditions. Finally, adaptive regulation is used to ensure optimum system power management, and temperature control.

The BQ24381EVM evaluation board includes the necessary support circuitry and components required for the user to fully evaluate the power-management features of the IC. This includes external components such as input and output capacitors, a power-supply filter, and temperature-sensing components. In addition, the evaluation board also includes several other features such as an LCD display and LEDs for visual indication of system status, and the ability to power multiple devices simultaneously. This allows users to easily evaluate the performance of the BQ24381 and determine whether it would be suitable for their application.

In conclusion, the BQ24381EVM evaluation board is a comprehensive solution for developers and engineers to quickly and easily assess the performance of the Texas Instruments BQ24381 power-management IC. This board allows users to evaluate the IC in a variety of different applications, and determine whether it would be suitable for their needs. The BQ24381 power-management IC provides efficient system power management and temperature control, and the BQ24381EVM evaluation board contains all the necessary support circuitry and components required to easily assess the features of the IC.

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