BQ24010EVM

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Evaluation and Demonstration Boards and Kits provide engineers with the platform they need to develop new applications, assess and evaluate existing technologies, and test new designs. The BQ24010EVM (Evaluation Module) is one such board. This article will explore the field and working principle of the BQ24010EVM.

The BQ24010EVM is suitable for a variety of automotive applications such as over-the-air (OTA) programming/calibration, battery charging, DC/DC conversion, and power management for the high battery voltage systems used in electric and hybrid electric vehicles. The board is highly configurable, and simplifies design work across various applications.

The BQ24010EVM is equipped with a variety of peripheral components required for specific applications. Its features include two independent buck converters, one buck with a dedicated current source, one buck with an external input source, a dual-input battery charger, and a battery saver circuit for automotive start-stop applications. BQ24010EVM also includes a temperature sensing circuit for system protection.

The board features two independent converters, each with a dedicated current source, and one adjustable converter with an external input source. The dual-input battery charger permits asynchronous charging of batteries with different characteristics and voltage levels. The battery saver circuit includes a preset temperature alarm threshold, a current-based cell balancing circuit, and a thermal-flush output stage.

The BQ24010EVM provides an input voltage range from 10V to 100V, with adjustable short-circuit current protection and programmable output voltage. Its output is highly adjustable for various DC/DC conversion applications, and an adjustable 0.6A peak load detection input enables designers to customize load response curves. Its programmable output voltage and current features ensure compliance with any system requirements.

The BQ24010EVM has a configurable battery charging architecture, providing an optimal charging rate for both lead-acid and lithium-ion batteries. It has configurable threshold settings to detect over-current or over-voltage conditions. It also supports automatic trickle and absorption charging, pulse charging, and pulse discharge for reduced battery age-related stress.

To ensure safe operation of the system, the BQ24010EVM board has a temperature sensing circuit to detect system temperature and shut down the application if needed. It also supports three-level cell balancing for battery pack applications.

The BQ24010EVM board is a feature-rich evaluation and demonstration circuit that engineers can use to quickly develop solutions for a variety of automotive applications. Its adjustable buck converter, dual-input battery charger, temperature sensing circuit, and cell balancing mechanism help to simplify design work across various applications. It is suitable for applications such as over-the-air (OTA) programming/calibration, battery charging, DC/DC conversion, and power management for the high battery voltage systems used in electric and hybrid electric vehicles.

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