The LTC4075XEDD from Linear Technology is a highly versatile and efficient lithium-ion battery charger designed to accommodate the charging needs of modern portable devices. This advanced charger integrates a linear charger with dual input power capability, allowing it to draw power from either a USB port or an AC adapter.

Key Features

• Dual Input Power: The LTC4075XEDD supports charging from both USB and AC adapter sources, automatically prioritizing the higher voltage source for efficient charging.
• PowerPath Control: This feature enables the device to supply the load while simultaneously charging the battery, ensuring uninterrupted operation of the portable device.
• Programmable Charge Current: The charge current can be programmed up to 950mA, allowing for customization based on the specific battery being used.
• High Efficiency: The LTC4075XEDD boasts high charging efficiency, which minimizes heat generation and speeds up the charging process.
• Thermal Regulation: To ensure safety and maintain longevity of the battery, the charger includes thermal regulation, which reduces charge current in the event of excessive heat.
• Battery Conditioning: The device includes a battery conditioning feature that gradually builds up the charge current for deeply discharged batteries, protecting them from damage.
• Status Indicators: Built-in status pins provide real-time feedback on the charging process, including charge termination and fault conditions.

Applications

The LTC4075XEDD is ideal for a wide range of portable electronic devices, such as smartphones, tablets, portable media players, and other USB-powered gadgets. Its compact design and comprehensive feature set make it an excellent choice for space-constrained applications where efficient charging is critical.

Package and Availability

Encased in a small 12-lead DFN package, the LTC4075XEDD optimizes board space without sacrificing performance. This product is available for purchase through various distributors, ensuring easy integration into existing and new designs.