BQ24152YFFR

PMIC – Battery Chargers are the specialized circuit designs used to charge the batteries in various consumer electronics, industrial and automotive applications. The particular technology used in a battery charger depends on the type of battery being charged and the type of application that requires a charge. The Texas Instruments BQ24152YFFR Battery Charger is an integrated step-down and step-up charger that is optimized for charging Lithium ion and Lithium-iron- phosphate batteries in automotive and industrial applications.

BQ24152YFFR Features

The BQ24152YFFR offers a great deal of flexibility and features for designing with. It is a charge-mode synchronous buck-boost regulator that can be used to charge and maintain batteries ranging from 2.8 V to 25 V. It has an adjustable charge current that can be set up to 1.5 A. Additionally, it has an adjustable constant-voltage factor ranging from 4.0 V to 25 V.

Internally, the device also features a programmable input current limit, as well as programmable current-sense resistor and thermal regulation.

The BQ24152YFFR also offers a selection of protection features, including an adjustable charge termination voltage setting, over-temperature protection, overvoltage protection, battery con5nection protection, and reverse-voltage protection.

BQ24152YFFR Application Field

The BQ24152YFFR is suitable for charging a variety of battery chemistries, such as Li-ion, LiFePO4 and most other popular automotive and industrial battery chemistries. The BQ24152YFFR is ideal for applications such as automotive, industrial, and consumer applications where a battery needs to be charged and maintained for long-term use.

The BQ24152YFFR is also suitable for applications where a battery needs to be charged and maintained for short-term or intermittent use, such as backup power applications, portable medical devices, and medical instrumentation, and industrial testing equipment.

BQ24152YFFR Working Principle

The BQ24152YFFR consists of three main stages during a charge cycle. The first stage is the buck-boost stage, where the voltage of the battery is adjusted to the desired voltage of the charger. The second stage is the charge stage, where the charger supplies a constant current to the battery to charge it. The third stage is the constant voltage stage, in which the charger maintains the battery at a constant voltage to complete the charge cycle.

Additionally, the BQ24152YFFR uses an intelligent charge management system to help protect the battery from overcharge and over-temperature. The intelligent charge management system is able to monitor and control each stage of the charge cycle for the optimal balance between battery life, safety, and efficiency.