FAN5405UCX

The FAN5405UCX is a highly efficient, switch-mode lithium-ion (Li-ion) battery charger and power path management device. Designed for use in portable electronic devices, this integrated circuit (IC) manages power distribution from an external power source, such as a USB port, to both charge the battery and power the device simultaneously. It features a 1.5A USB-compliant charger with dynamic power path management that allows for optimized charging and system operation even when the battery is deeply discharged.
Key features include support for various input sources, voltage regulation, current limiting, and thermal management to ensure safe operation. The FAN5405UCX also provides protection against overvoltage, overcurrent, and thermal overload, enhancing the reliability and longevity of both the battery and the device.
The IC is typically used in smartphones, tablets, and other handheld devices where efficient charging and power management are crucial. Its compact design and advanced feature set make it a preferred choice for developers looking to integrate effective battery management solutions into their products.

The FAN5405UCX is a highly integrated, USB-compliant single-cell Li-ion battery charger designed for portable applications. Key features include:
1. High Efficiency: It offers high efficiency with a synchronous switch-mode power supply that minimizes power loss.
2. Charging Capability: Supports up to 1.2A charging current, making it suitable for fast charging needs.
3. USB Compatibility: Complies with USB power specifications, allowing charging from a standard USB port.
4. Battery Management: Includes features for battery protection such as over-voltage, under-voltage, over-current, and thermal protection.
5. I²C Interface: Provides an I²C interface for flexible programming and customization of the charging parameters.
6. State-of-Charge Monitoring: Supports state-of-charge monitoring to provide accurate battery status.
7. Automatic Power Path Management: Allows simultaneous battery charging and powering of the system, optimizing power path management.
8. Small Form Factor: Comes in a compact package suitable for space-constrained applications.
These attributes make the FAN5405UCX a versatile solution for efficient battery charging in portable electronics.

The FAN5405UCX is typically available in a 25-bump WLCSP (Wafer Level Chip Scale Package), which is compact and designed for space-constrained applications like mobile devices.

The FAN5405UCX is a highly integrated battery charger IC designed for portable devices. It typically comes in a compact WLCSP (Wafer Level Chip Scale Package) with a pin count of 20. The primary function of the FAN5405UCX is to manage the charging of a single-cell lithium-ion or lithium-polymer battery. It offers features such as constant current/constant voltage charging, battery preconditioning, and charge termination. The IC also includes safety features like thermal regulation and over-voltage protection to ensure safe operation. Additionally, it supports USB and wall adapter charging, making it suitable for a variety of applications in portable electronics.

The FAN5405UCX is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a multinational company specializing in semiconductor manufacturing. They provide a wide range of products, including power and signal management, logic, discrete, and custom devices for various applications across different industries such as automotive, industrial, communications, and consumer electronics. The company focuses on energy-efficient innovations and solutions, making it a key player in the semiconductor industry.

The FAN5405UCX is a highly integrated lithium-ion switching charger with USB On-the-Go (OTG) support. It is commonly used in portable electronics, such as smartphones, tablets, and wearable devices, where efficient battery charging and USB functionality are critical. Its compact design, low power dissipation, and support for various charging profiles make it suitable for devices requiring fast and efficient battery management. The FAN5405UCX also finds application in power banks and other USB-powered gadgets, providing essential power management in compact electronic systems.

The FAN5405UCX is a USB-compliant single-cell Li-ion battery charger. Equivalent products include the Texas Instruments BQ24075, Microchip MCP73831, and Analog Devices ADP5065. These alternatives vary in features and specifications, so it's essential to compare their datasheets to ensure compatibility with your specific application.