The LTC4085EDE from Linear Technology is a high-efficiency power management integrated circuit specifically designed for single-cell Li-Ion/Polymer battery applications. This advanced power management IC features a full-featured dual input USB/AC adapter power manager with a 1A Li-Ion battery charger and an ideal diode, making it a versatile solution for portable devices.

Key Features

• PowerPath Control: The LTC4085EDE offers seamless PowerPath control, which allows for instant-on operation with a deeply discharged battery, ensuring that your device is always ready to go.
• Efficient Charging: With its high efficiency, 1A battery charger, the LTC4085EDE provides fast charging capabilities, minimizing the time your device spends tethered to a power source.
• Dual Input Sources: It accommodates both USB and AC adapter inputs, automatically prioritizing the AC input, which gives users flexibility in how they charge their devices.
• Thermal Regulation: To protect the battery and circuitry, the LTC4085EDE includes thermal regulation, which reduces the charge current in the event of excessive heat.
• Compact Design: The LTC4085EDE comes in a small 12mm² DFN package, making it an excellent choice for space-constrained applications.

Applications

• Portable Medical Devices
• Handheld Instruments
• USB-Powered Gadgets
• Personal Multimedia Devices
• Stand-Alone Chargers

Technical Specifications

The LTC4085EDE operates over a wide input voltage range and has a programmable charge current up to 1A. It also features an overvoltage protection mechanism that shields the device from input voltages up to 7.5V, safeguarding your device from unexpected power surges.

Conclusion

Linear Technology's LTC4085EDE is an all-in-one power management solution that combines versatility, efficiency, and compact design. Whether for personal electronics or industrial-grade portable devices, the LTC4085EDE ensures reliable charging and power management to keep your devices operational and safe.