The LTC4058EDD-4.2#TRPBF is a high-quality, standalone linear lithium-ion battery charger designed by Linear Technology to provide efficient charging for single-cell lithium-ion batteries. This compact and reliable component is housed in a small 10-lead (3mm × 3mm) DFN package, making it an ideal choice for space-constrained applications.

Key Features

• Precision Charging: The LTC4058EDD-4.2#TRPBF offers a precise end-of-charge voltage of 4.2V, ensuring the battery is charged to its maximum capacity without overcharging, which can enhance the longevity and performance of the battery.
• Programmable Charge Current: Users can set the charge current from 150mA to 750mA by selecting the appropriate resistor value, allowing for flexibility in charging speed based on the application's requirements.
• Thermal Regulation: This feature maximizes the charge rate without the risk of overheating, making it safe for use in various operating conditions.
• Charge Current Monitor: For real-time monitoring of the charging process, the LTC4058EDD-4.2#TRPBF includes a charge current monitor output that can be used to gauge the progress of the charge.
• No External MOSFET, Sense Resistor, or Blocking Diode Required: The integrated design simplifies the circuitry and reduces external component counts, which can save space and cost on the PCB.

Applications

Due to its small footprint and comprehensive feature set, the LTC4058EDD-4.2#TRPBF is suitable for a wide range of portable electronic applications, such as:

• Handheld Instruments
• Medical Devices
• Personal Digital Assistants (PDAs)
• Cellular Phones
• Digital Cameras
• MP3 Players

Quality and Reliability

Linear Technology is renowned for its commitment to quality and reliability, and the LTC4058EDD-4.2#TRPBF is no exception. This product is manufactured to the highest standards to ensure consistent performance and durability for your charging needs. Whether for consumer electronics or industrial applications, this charger provides a dependable solution for managing your lithium-ion battery power requirements.