BQ24401PWRG4

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Power management integrated circuits (PMICs) have become increasingly popular as the modern world fills up with connected devices, hardware and gadgets. With this proliferation of devices, the demand for greater power efficiency and reliability has also increased. PMICs fulfill this need by delivering higher levels of power efficiency, improved accuracy in monitoring and control, and more resilient operation under harsh conditions. One of the most commonly usedPMICs istheBQ24401PWRG4, which is popularly used in BatteryChargers.

TheBQ24401PWRG4is a high performance single-cell Li-Ion and Li-Po battery charger device with a92V (14.1Vmax)maximum input voltage. The device supports USB-C/PDspecification and supports various chargecurrents of 1A–3A™ with aprogrammablesafety timer. The device also includes fast charging, constant current/constant voltage (CCCV) charging, and a minimum programmable output current of 60mA. The device featurescharge status signaling and low quiescent current that is adjustable from 50µA–400µA for improved system power efficiency.

TheBQ24401PWRG4 supports an adjustable Input Current Limit (ICL) for charging efficiency and is designed for very low output voltage ripple. Despiisterceptioncontrolled loop with avery low avlosses. The device features a powerful N-Channel MOSFET, programmable termination voltage, andimprovedstatus output.An advanced battery charge algorithm withflexible input monitoring and output over-voltageprotection.

In terms of the working principle of theBQ24401PWRG4, power managementis used to manage the electrical power that is supplied to the device. This is done by regulating the current, regulating the voltage and limiting the power consumption ofthe device. Power is delivered to the input of theBQ24401PWRG4, which is then regulatedand output at the desired voltage and current. The output is then monitored and controlled by the internal circuitry of the device. The device has various protection mechanisms like over-current, over-voltage and thermal protection. The device can work with a wide range of temperature conditions.

TheBQ24401PWRG4 is well-suited for applicationfields such as portable devices, automotive, medical devices, and consumer electronics.The high efficiency,flexible termination, and improved output ripple performance of theBQ24401PWRG4 make it a popular solution for portable battery charging. With its adjustable charge current of 1A–3A™, it can be used in standard,fast, and super fast charging applications. It is also suited for automotive, medical device, and consumer applications, as it offers improved temperature protection, fail-safe design, and optimized system power efficiency. Additionally, the device’s adjustableinput current limit (ICL) mechanism helps to increase the charging efficiency.

In conclusion, TheBQ24401PWRG4is a highperformance single-cell Li-Ion and Li-Po battery charger device and is well suited for usein portable devices, automotive, medical devices and consumer electronics. The device offersfast charging,constant current/constant voltage (CCCV) charging, and adjustable input current limit(ICL) for increased efficiency. In terms of working principles, the device featuresefficient power management, including voltage and current regulation and power limit. All in all,theBQ24401PWRG4 is a greatchoice for BatteryChargers.

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