LTC4002EDD-4.2

The LTC4002EDD-4.2 is a high-efficiency, constant-current/constant-voltage (CC/CV) step-down battery charger specifically designed for single-cell lithium-ion or lithium-polymer batteries. It is part of Analog Devices' LTC4002 series, offering precise control over charging cycles to ensure safe and efficient battery management. The device can deliver up to 4A of charge current with minimal external components, making it suitable for compact applications.
Key features include thermal regulation, adjustable charge current, and programmable charge termination. The LTC4002EDD-4.2 also includes safety features such as protection against overvoltage, overcurrent, and overheating, ensuring reliability and longevity of the battery and the charging system. It operates efficiently across a wide input voltage range, making it versatile for various power supply conditions.
The "-4.2" in its name typically refers to the fixed output voltage of 4.2V, suitable for charging standard lithium-ion batteries. Its efficiency and compact form factor make it ideal for portable electronics and other applications where efficient battery management is crucial.

The LTC4002EDD-4.2 is a high-efficiency, constant-current/constant-voltage battery charger controller designed for 4.2V single-cell lithium-ion (Li-Ion) batteries. Key features include:
1. Efficiency: The device offers high charging efficiency, reducing power loss and heat generation during operation.

2. Constant Current/Voltage: It provides precise constant-current and constant-voltage charging, ensuring the battery is charged safely and effectively.
3. Input Voltage Range: Supports a wide input voltage range, making it versatile for various power supply conditions.
4. Integrated Power MOSFET: Includes a built-in power MOSFET, reducing the need for external components and simplifying the design.
5. Thermal Regulation: Features thermal regulation to prevent overheating during charging.
6. Automatic Recharge: Automatically resumes charging if the battery voltage drops below a certain threshold, ensuring the battery remains fully charged.
7. Safety: Incorporates safety features such as battery temperature monitoring and charge termination.
8. Package: Offered in a compact thermally enhanced 10-lead (3mm × 3mm) DFN package, suitable for space-constrained applications.
The LTC4002EDD-4.2 is ideal for portable electronics requiring efficient and reliable lithium-ion battery charging solutions.

The LTC4002EDD-4.2 is packaged in a 10-lead (3mm x 3mm) DFN (Dual Flat No-Lead) package, designed for compact and efficient power management applications.

The LTC4002EDD-4.2 is a 4.2V single-cell Lithium-Ion battery charger IC. It typically comes in a 10-pin DFN (Dual Flat No-Lead) package. The main functions of the LTC4002EDD-4.2 include constant-current/constant-voltage charging, with automatic recharge, and a termination mechanism to prevent overcharging. It offers features such as charge state indicators, programmable charge current, and thermal regulation. The IC is designed to efficiently manage power and ensure safe charging of lithium-ion batteries.

The LTC4002EDD-4.2 is manufactured by Analog Devices, Inc. This company specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in a wide range of electronic equipment. Analog Devices is known for its development of components that primarily focus on signal processing, data conversion, power management, and RF and microwave technologies. They serve various industries, including automotive, communication, healthcare, industrial, and consumer electronics.

The LTC4002EDD-4.2 is a high-efficiency, step-down battery charger designed primarily for lithium-ion and lithium-polymer batteries. Its key application areas include portable electronics, smartphones, tablets, digital cameras, and any rechargeable battery-powered devices requiring efficient charging solutions. It is particularly suitable for applications needing precise voltage and current control, offering features like thermal regulation and automatic recharge, which make it ideal for consumer electronics and industrial applications where reliable and safe battery charging is essential.

The LTC4002EDD-4.2 is a constant-current/constant-voltage battery charger IC. Equivalent products may include:
1. Microchip MCP73831: A linear charge management controller.
2. TI BQ24040: A Li-Ion linear charger with power path.
3. Diodes Incorporated AP9101C: A battery protection IC.
Ensure compatibility in terms of voltage, current, and package type when considering alternatives.