BQ24740EVM

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Evaluation and Demonstration Boards and Kits provide a great opportunity for developers to understand components and systems, and to demonstrate them to clients or partners. The BQ24740EVM Application Field and Working Principle make up one of many boards and kits available today, and it is specifically designed to help users understand and demonstrate the features and wiring of the BQ24740 Li-ion Battery Chargers. With the BQ24740EVM, users have the ability to evaluate the features and performance of BQ24740 in closed-loop control of the charging process while also providing robust fault protection.

The BQ24740EVM offers the ability to quickly develop custom application profiles to meet any demanding battery charging requirement. It is a very versatile design with the ability to manage both low and high capacity Li-ion batteries and provide up to 45 watts of charging power. The BQ24740EVM is designed to work with standard battery holders and unregulated DC input sources. It is also designed to easily attach to other boards or devices in a larger system. With the BQ24740EVM, users can prototype their battery charging application in an efficient and cost-effective manner.

The BQ24740EVM includes key components such as the BQ24740 Li-ion Battery Charger IC, the Richtek RTK8182 Multi-chemistry Battery Gauge IC, and the E-Switch PF4400 Single-wire Programmable Power Distribution IC. The boards are designed to control the charging of a single Li-ion battery and provide information about the charging process to the user. Additionally, the board can be used to implement both low and high power charging applications, and the user can select between different charge voltages, charge current limits, and safety features.

The board boasts the features of the BQ24740 Li-ion Battery Charger IC, providing simple, versatile, and reliable application of the BQ24740 in conjunction with the other featured ICs. Specifically, the BQ24740 Li-ion Battery Charger IC allows low and high power applications with up to 45 watts of charging power, adjustable current regulation, adjustable charge termination voltage, and robust fault protection. With the auxiliary Richtek RTK8182 Multi-chemistry Battery Gauge IC users can take advantage of a Status/Alert-capable device that monitors the different battery parameters necessary to evaluate the battery health and the utilization of the target E-Switch PF4400 Single-wire Programmable Power Distribution IC allows efficient and cost-effective centralized power system design.

The BQ24740EVM board has several components assembled to represent a single Li-ion battery charging system. These include the BQ24740 Li-ion Battery Charger IC, a resistor divider network, the Richtek RTK8182 Multi-chemistry Battery Gauge IC, and the E-Switch PF4400 Single-wire Programmable Power Distribution IC, as well as two Li-ion batteries, one 18650 and one 21700. The board should be connected to a regulated DC input of 5V, 12V, 18V, or 24V, and when powered, the onboard LED will light indicating that power is available.

The RTK8182 IC communicates with the BQ24740 Li-ion Battery Charger IC to manage the battery charging process. An integrated open-drain device in the BQ24740 IC, along with the protected current sense input, provides protection against overtemperature and overcurrent faults. The RTK8182 IC also provides a Status/Alert pin to indicate the battery status or faults. The BQ24740EVM is designed to allow users to evaluate the features and performance of BQ24740 in closed-loop control of the charging process. The board also includes options to enable through-hole prototyping with a wide range of sensors, as well as headers which allow other boards or devices to easily interface with the board.

In conclusion, the BQ24740EVM board provides a great opportunity for developers to understand and demonstrate different Li-ion Battery Charger ICs and systems. The BQ24740EVM board includes components which allow users to evaluate the performance of the BQ24740 and is designed to work with both low and high capacity Li-ion batteries with up to 45 watts of charging power. Additionally, the board provides options to enable through-hole prototyping with sensors and allows other boards or devices to easily attach and interface with the board. The board is a cost-effective solution for assessing the features and performance of the BQ24740.

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