FAN5404UCX Integrated Circuits (ICs)

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FAN5404UCX is an integrated over-temperature and overload current protection device, designed for use in high power applications. It is a device which monitors the inrush current when a power supply is first applied, and shuts the power off to prevent damage to the power supply or other components. The device also contains a comparator which will shut off the power when the temperature of the components in the power supply reaches a certain level. This protects the components from damage due to overheating.

The FAN5404UCX is a Multi-Channel Power Management IC (PMIC) which contains several features specifically designed for use in modern battery chargers and charging systems. It provides several different channels of switch control, each with their own programmable current limit and over-temperature protection. It also includes a low dropout (LDO) regulator for providing a stable power supply for charging the battery. The FAN5404UCX has been designed to be highly efficient, and it is one of the most widely used PMICs currently available.

The working principle of the FAN5404UCX is simple. The device acts as a low-side switch, and is connected between the battery and the charger. When the charger is plugged in, the voltage from the battery will start to charge the device. As the voltage rises, the device\'s internal regulation circuit will kick in and turn off its switch, thereby controlling the inrush current of the charger. The FAN5404UCX will then keep a constant voltage across the battery and the charger, ensuring that the batteries receive a safe and steady charge without any current overloads.

The FAN5404UCX is an ideal device for applications which require current limit and over-temperature protection. The device contains several features which make it ideal for use in battery chargers, including its low dropout regulator, integrated current limit and over-temperature protection. Its efficient design and high levels of functionality make it an excellent choice for battery charging applications.

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