LTC4066EUF-1#PBF

Battery Management Overview

The LTC4066EUF-1#PBF is a synchronous step-down battery charger and power path manager designed for USB-powered applications. It integrates a 2A switch to charge single-cell lithium-ion or lithium-polymer batteries from a 5V USB source. The device features an integrated linear regulator for system load management, ensuring compliance with USB power specifications while providing continuous power to the application.

Battery Management Feature Summary

• Integrates a 2A synchronous buck switch for efficient charging from standard 5V USB sources
• Includes an integrated linear regulator for seamless power path management between input and battery
• Supports temperature monitoring via NTC thermistor for safe lithium-ion charging profiles

Battery Management Applications

• USB-powered portable electronic devices
• Smartphones and mobile communication gadgets
• Portable media players and handheld gaming consoles
• Wearable technology requiring compact power management

Battery Management Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm package marking matches the QFN-16 specification. Request original manufacturer documentation to ensure compliance with RoHS standards. Validate supply chain integrity to avoid counterfeit components in production environments.

Battery Management Selection Notes

Select this component for designs requiring integrated USB charging and system power distribution. It suits applications needing a compact solution that manages both battery charging and system loads without external MOSFETs. Consider thermal performance within the QFN-16 package when designing PCB layouts for sustained high-current operation.

Battery Management Part Context

This part belongs to the LTC4066 family of battery chargers. It is specifically configured for USB input voltages. The suffix indicates a specific pin-compatible variant within the series. It serves as a complete power management solution for small form-factor devices powered by universal serial bus interfaces.

Battery Management FAQ

What is the maximum output current for charging?

The integrated synchronous switch supports a maximum output current of 2A.

Does the device support power path management?

Yes, it includes an integrated linear regulator that manages power paths between the USB input and the battery.