Linear Technology LTC4090EDJC-5#PBF Product Overview

The LTC4090EDJC-5#PBF is an advanced, highly integrated battery charger and power management IC designed by Linear Technology (now part of Analog Devices) for modern portable electronics. This robust component is engineered to efficiently manage the charging of single-cell lithium-ion/polymer batteries while providing a seamless power supply for the system it supports.

Key Features

• Autonomous Battery Charging: The LTC4090EDJC-5#PBF features an autonomous charging cycle that requires minimal user intervention, simplifying the design of battery-powered devices.
• Wide Input Voltage Range: It can handle a broad range of input voltages from 4.25V to 5.5V, making it versatile for various USB and adapter power sources.
• Integrated PowerPath™ Controller: This feature ensures that the system remains powered even when the battery is low or absent, by providing power directly from the input source as needed.
• Instant-On Operation: The device is capable of powering up the system even with a dead or no battery, ensuring the device is always ready for use.
• Programmable Charge Current: The charging current can be programmed up to 1.5A, allowing for fast charging of the battery.
• Thermal Regulation: To protect the battery and circuitry, the LTC4090EDJC-5#PBF includes thermal regulation that reduces charge current in case of excessive heat.

Applications

The LTC4090EDJC-5#PBF is ideal for a wide range of portable applications, including:

• Smartphones and Tablets
• Portable Medical Devices
• Handheld Instruments
• Wireless Speakers
• Personal Media Players

Quality and Reliability

Linear Technology's LTC4090EDJC-5#PBF is built to meet the high standards of quality and reliability that the industry expects. The device comes in a 22-lead DFN package, offering a compact solution for space-constrained applications. With its advanced features and robust design, the LTC4090EDJC-5#PBF is an excellent choice for designers looking to enhance the performance and user experience of their portable devices.

Overall, the LTC4090EDJC-5#PBF stands as a testament to Linear Technology's commitment to innovation and excellence in power management solutions.