BQ24253YFFR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Battery Chemistry:	Lithium-Ion
Number of Cells:	1
Current - Charging:	Constant - Programmable
Programmable Features:	Current
Fault Protection:	Over Current, Over Temperature, Over Voltage
Charge Current - Max:	2A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	10.5V
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	30-UFBGA, DSBGA
Supplier Device Package:	30-DSBGA
Base Part Number:	BQ24253

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The BQ24253YFFR is a power management integrated circuit (PMIC) designed for charging lithium-ion batteries. It incorporates many features and safety mechanisms that make it suitable for a variety of applications. This article will discuss the applications of BQ24253YFFR, its working principle and the implications of its use.The BQ24253YFFR is classified as a Battery Charger PMIC and can be used in many industries, including automotive, consumer, industrial, and medical. Its capability to charge high capacity Li-ion cells makes it suitable for applications that require longer battery life, such as automotive and medical devices. Its ability to deliver high output current and monitor battery health parameters, such as temperature, voltage and current, makes it popular in the consumer and industrial markets.The BQ24253YFFR works on the premise of power management. It is a charge management integrated circuit (CMIC) that combines a power delivery interface, power sources, and power management peripherals. The BQ24253YFFR is designed to control the operation of charging cells from a single power source or multiple power sources, depending on the design of the system.The BQ24253YFFR is designed to work with Li-ion batteries and does not require an external battery protection circuit (BPC). It utilizes an onboard charging controller to optimize safety and charging performance for the type of battery used. The BQ24253YFFR features a programmable input current limit and detections to protect the system from over-charging, over voltages, over currents and short circuits.The BQ24253YFFR utilizes a step-down regulators to provide low voltage control and high-efficiency power delivery. The output operating voltage and maximum current limit can be programmed by the user. The BQ24253YFFR can provide up to 1.5A charging current to a battery when connected to a DC 6-13.7V source and up to 1A when connected to an adapter.The BQ24253YFFR is integrated with a variety of safety features, including an automatic cell disconnect switch, an under voltage lockout (UVLO) circuit and a thermal runaway protection circuit. The UVLO circuit ensures that the charging current remains within a safe range by monitoring the input voltage levels. The battery disconnect switch prevents the battery from over-discharging when the device is inactive or not connected to a power source, and the thermal runaway protection prevents overheating and resulting damage due to accidental short circuits, overvoltage and overcurrent conditions.In conclusion, the BQ24253YFFR is a multi-purpose Battery Charger PMIC designed for use with Li-ion batteries and is suitable for a variety of applications. Its onboard charging controller and safety features make it ideal for high capacity cell applications and its ability to deliver high output current make it a popular choice for the consumer and industrial markets. Its step-down regulators and protection circuits enable it to provide steady voltage control, higher efficiency power delivery, and protection against overcharging, over voltage and overcurrent conditions.

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