The LTC4061EDD#PBF from Linear Technology is a highly versatile and efficient standalone Nickel Battery Charger which is capable of charging NiMH or NiCd cells. It is housed in a small 10-pin DFN package, designed to minimize the space required on a PCB and is ideal for portable, space-constrained applications.

Key Features:

• Compatibility: The LTC4061EDD#PBF is designed to charge single-cell to four-cell NiMH/NiCd batteries, making it a flexible solution for a wide range of battery configurations.
• Charge Termination: It includes multiple charge termination techniques such as negative delta V (-∆V), zero delta V (0∆V), maximum voltage, maximum temperature, and maximum charge time to ensure the battery is charged safely and efficiently.
• Automatic Recharge: The device features an automatic recharge function that initiates a new charging cycle when the battery voltage falls below a preset threshold, keeping the battery topped up.
• Low Power Mode: When not charging, the LTC4061 enters a low power sleep mode, reducing the battery drain to a minimum.
• Thermal Protection: The charger includes thermal protection that reduces the charge current in the event of an over-temperature condition, ensuring the safety and longevity of the IC and the battery being charged.

Applications:

The LTC4061EDD#PBF is suitable for a variety of applications, including but not limited to:

• Portable medical devices
• Handheld instruments
• Backup battery systems
• Consumer electronics

Technical Specifications:

• Package: 10-pin DFN (3mm × 3mm)
• Input Voltage Range: 4.5V to 10V
• Charge Current: Programmable up to 1A
• Operating Temperature Range: -40°C to 85°C

The LTC4061EDD#PBF is a comprehensive charging solution that integrates multiple features to provide a safe, efficient, and flexible charging experience for nickel-based batteries.