LTC4002EDD-4.2 - Linear Technology

The LTC4002EDD-4.2 is a high-performance, fast-charge controller designed by Linear Technology for single-cell lithium-ion or lithium-polymer batteries. This compact and efficient device is engineered to provide a complete charging solution for portable devices, ensuring safe and reliable operation.

Key Features:

• Charging Voltage: The LTC4002EDD-4.2 is specifically designed to charge batteries to a voltage of 4.2V, which is the standard for most single-cell lithium-ion batteries.
• Charge Current: It offers programmable charge current up to 2A, which allows for rapid charging of batteries, reducing the time devices need to be plugged in.
• Charge Termination: The device includes an automatic charge termination feature based on the charge current, which helps to prevent overcharging and extends battery life.
• Thermal Regulation: To ensure safety, the LTC4002EDD-4.2 incorporates thermal regulation to maximize charge rate without risk of overheating.
• Package: The controller is available in a compact 10-lead DFN package, making it ideal for space-constrained applications.

Applications:

The LTC4002EDD-4.2 is versatile and can be used in a variety of applications, including:

• Portable Computers
• Handheld Instruments
• Medical Equipment
• Smartphones and PDAs
• Portable Power Packs

Technical Specifications:

• No RSENSE architecture
• Preset 4.2V charge voltage with ±1% accuracy
• Automatic recharge feature
• Charge status output
• Undervoltage lockout
• CEP and timer termination

The LTC4002EDD-4.2 by Linear Technology is an advanced solution for anyone looking to integrate a reliable and efficient charging system into their portable electronic devices. With its precision charging capabilities and safety features, it ensures that your devices are powered up quickly while maintaining the longevity of your battery.