BQ24185YFFR

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The BQ24185YFFR is a battery-charging integrated circuit specially designed for use in a wide variety of different applications. It provides an adjustable power supply output with dual current-sharing features that requires only a few external components for a complete system solution. As a programmable PMIC – battery charger, BQ24185YFFR supports a wide range of charging voltages, currents and current limits, allowing manufacturers and consumers alike to design and build safe and reliable power systems for their applications.

The BQ24185YFFR IC is specially designed for use in charging systems for both lithium ion and lithium polymer batteries. It supports up to 7A charging current with input voltage ranging from 4.5V to 28V. The IC also provides an adjustable voltage output with dual current-sharing features that require no balancing resistors. It includes several safety features such as under-voltage lockout (UVLO) and programmable over-voltage protection (OVP). The IC works in two different modes; charge mode and stand-by mode.

In charge mode, the BQ24185YFFR accepts an input power source and outputs a constant current to charge the battery pack. This is done in two stages: first, a constant current is output until the battery reaches a target voltage. Then, the IC automatically switches to a constant voltage output, where the current gradually decreases as the battery charges. The IC also automatically stops the charge process when the battery reaches its full charge potential.

In stand-by mode, the BQ24185YFFR reduces the charge current to a trickle charge level in order to protect the battery from over-charging. It also monitors the battery voltage and switches back to charge mode when the voltage falls below a certain level. This not only saves power but also prevents the battery from being over-discharged.

The BQ24185YFFR battery charger provides an adjustable charging current and voltage output, as well as dual current-sharing. This feature allows two or more batteries to be charged together safely without consuming more power than necessary. Additionally, the IC includes various safety features such as UVLO, OVP, and temperature monitoring to ensure safe and reliable operation.

The BQ24185YFFR IC is an ideal solution for charging applications in battery-powered electronics. Thanks to its wide range of adjustable power inputs, its dual current-sharing feature, and its various safety features, the BQ24185YFFR offers a complete power solution to manufacturers and consumers alike. This makes it an ideal choice for a wide variety of different applications.

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