LTC4020EUHF#TRPBF

Battery Chargers Overview

The LTC4020EUHF#TRPBF is a high-efficiency synchronous buck-boost DC/DC controller and battery charger from Analog Devices. It operates with an input voltage range of 15V to 55V, supporting lithium-ion, lithium-polymer, and lead-acid chemistries. The device integrates a proprietary average current mode architecture for precise charge management. It provides up to 3.3A constant-current charging capability and features a regulated output capable of delivering 3A load current. Packaged in a 38-lead QFN, it supports multiple charge profiles including CC/CV and optimized multi-stage algorithms.

Battery Chargers Feature Summary

• Integrates a high-efficiency synchronous buck-boost DC/DC controller with a proprietary average current mode architecture
• Supports flexible battery chemistry configurations including lithium-ion, lithium-polymer, and lead-acid types
• Provides selectable charge algorithms such as constant-current/constant-voltage or optimized multi-stage profiles

Battery Chargers Applications

• High-voltage portable equipment power systems
• Industrial battery management modules
• Medical device charging circuits
• Uninterruptible power supply (UPS) front-end regulation

Battery Chargers Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and temperature grade. Confirm availability status through authorized distributors as supply levels may vary. Ensure the ordering part number matches the required RoHS compliance and tape-and-reel packaging specifications exactly.

Battery Chargers Selection Notes

Select this component when designing systems requiring wide input voltage ranges up to 55V. It is suitable for applications needing simultaneous battery charging and system power distribution. Consider the thermal performance of the QFN-38 package for high-current designs. Verify that the required charge profile aligns with the supported battery chemistries.

Battery Chargers Part Context

This part belongs to the LTC4020 series of high-voltage battery chargers. It is designed to replace discrete solutions by integrating power switching and control logic. The EUHF suffix indicates a specific commercial temperature grade and QFN-38 package variant within the broader product family.

Battery Chargers Replacement Considerations

Consult official cross-reference lists for verified substitutes. Direct replacements must maintain the 55V input rating and buck-boost topology.