LC709201F02RD-TE-L-H Integrated Circuits (ICs)

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Power Management Integrated Circuit (PMIC) devices are vital components of modern electronics, delivering power to semiconductor chips. In the category of PMICs, battery management continues to be an essential requirement for meeting the performance, cost and size goals of a product. The LC709201F02RD-TE-L-H is a device from SANYO Semiconductor that provides a complete battery management solution tailored to the needs of battery-powered applications. In this article we will discuss the application field of this device and its working principle.

Application Field

The LC709201F02RD-TE-L-H is aimed at providing a comprehensive solution for the battery management needs of many applications. For instance, it can be used in battery backed-up systems to ensure an orderly shutdown upon the detection of a power failure or low voltage condition. In addition, the device is frequently employed in battery-powered portable devices and remote controls which require an accurate measurement of the battery voltage and state of charge. As a result of its small size and low price, the LC709201F02RD-TE-L-H is popular in many embedded and mobile applications.

Working Principle

The LC709201F02RD-TE-L-H device is a highly integrated battery management system which contains multiple functions such as low voltage protection, discharge monitoring, and temperature sensing. At the core of the device are two synchronous step-down DC-DC converters which generate two variable voltages from the input voltage. The voltage of the first converter is regulated to the battery voltage while the second converter is set to regulate the temperature-dependent voltage of the battery, depending on the temperature coefficient of the battery.

Additionally, the device has several protection mechanisms designed to protect against overcharging and undercharging of the battery. It also contains a current sense amplifier which measures the level of charging current, allowing for more precise control of the charging process. Finally, the device includes a data acquisition module which can be used to measure the battery voltage, temperature, and state of charge.

In summary, the LC709201F02RD-TE-L-H provides a comprehensive solution for battery management needs. Its integrated protection and sensing capabilities, along with the small size and low price, make it a popular choice for a wide range of applications.

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