BQ24262YFFT

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 Temperature, Over Voltage
Charge Current - Max:	3A
Battery Pack Voltage:	4.2V
Voltage - Supply (Max):	6V
Interface:	I²C
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	36-UFBGA, DSBGA
Supplier Device Package:	36-DSBGA
Base Part Number:	BQ24262

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<p>Power management integrated circuits (PMICs) are a type of integrated circuit (IC) used to manage power in a wide variety of systems. These devices manage power from multiple sources, convert and regulate power, and provide protection from electrical threats in order to ultimately provide power to the load. </p><p>Battery chargers are a type of PMIC in which power from a source is converted and regulated to properly charge a battery. Battery chargers typically use a combination of circuitry and software to protect the battery from potential damage. Different types of battery chargers employ different technologies to accomplish this, such as linear chargers, switching chargers, boost chargers, and fuel cell chargers. </p><p>One such PMIC battery charger is the BQ24262YFFT. This device is a highly integrated, variable-frequency step-down charger and 3-A linear charger that can accurately control the output current and voltage. It features integrated reverse current and input voltage protection, making it highly reliable for use in automotive and other rugged applications.</p><p>The BQ24262YFFT is designed to work with Li-Ion/polymer and LiFePO batteries ranging from 3.6 V to 8.6 V, and can output a constant voltage at up to 6 A. It can also shape the pump voltage output to sustain a high load current while maintaining low power losses. Additionally, this device offers enhanced safety features such as input under-voltage protection, over-charge protection, over-heat protection, charge enable and enable tight voltage regulation, and a charger enable pin. </p><p>The BQ24262YFFT works by using an integrated synchronous buck controller and two linear regulators. It operates in either a voltage-mode control buck-based design, or in a current-mode control non-resonant boost-based design, depending on the voltage and current requirements of the battery.</p><p>The device is optimized for fast-charging and low power losses, allowing for maximum battery capacity and cycle-life. Additionally, it includes an integrated low drop-out linear regulator with a controlled output voltage to provide system load with constant and stable power.</p> <p>The BQ24262YFFT is designed to be used in automotive applications and other noise-sensitive systems where high efficiency and high power density is required. Its advanced circuitry, low power losses, and charge functions provide a simple, safe, and efficient solution for Li-Ion/polymer and LiFePO battery charging.</p>

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