LTC4090EDJC#PBF

Battery Management Overview

The LTC4090EDJC#PBF is a USB power manager and high-voltage lithium-ion/polymer battery charger manufactured by Analog Devices Inc. It integrates a 2A high-voltage Bat-Track buck regulator for system power management alongside battery charging capabilities. The device operates within an input voltage range of 4.35V to 5.5V and supports an operating supply voltage up to 38V. Packaged in a 22-pin DFN EP (6x3) surface-mount package, it features over-current and over-temperature fault protection. The component is designed for automotive applications and operates across a temperature range of -40°C to 85°C.

Battery Management Feature Summary

• Integrates USB power management with high-voltage battery charging functions
• Includes a 2A high-voltage Bat-Track buck regulator for system load handling
• Provides automatic battery current reduction based on USB peripheral requirements
• Features integrated over-current and over-temperature fault protection mechanisms

Battery Management Applications

• Automotive infotainment systems requiring USB connectivity and battery backup
• Portable electronic devices utilizing USB power sources for charging
• Industrial equipment needing robust battery management via USB interfaces
• Consumer electronics integrating high-voltage lithium battery support

Battery Management Procurement Notes

Verify the specific part number suffix to ensure compatibility with required packaging and temperature ratings. Confirm that the 22-pin DFN EP package matches the target PCB footprint and thermal design requirements. Ensure the procurement source provides authentic components from Analog Devices Inc. to guarantee performance specifications are met. Check for any regional distribution restrictions or limited availability status before finalizing orders.

Battery Management Selection Notes

Select this component when a combined solution for USB power distribution and high-voltage battery charging is required. It is suitable for designs needing automatic current regulation to prevent USB host overload. Consider the 2A buck regulator capacity for simultaneous system operation and charging. Evaluate the thermal performance of the DFN EP package against the application's heat dissipation constraints.

Battery Management Part Context

This part belongs to the LTC4090 series, which includes variants like LTC4090-5. It is distinct from other battery chargers such as the LTC4089 or LTC4099 by its specific integration of a high-voltage buck regulator and USB power management focus. The #PBF suffix indicates a lead-free, halogen-free RoHS-compliant package configuration.

Battery Management Replacement Considerations

Direct substitutes include the LTC4090EDJC#TRPBF for tape-and-reel packaging needs. The LTC4090EDJC-3#PBF offers the same functionality but may have different thermal or electrical characteristics requiring verification. Cross-reference pinouts and electrical parameters carefully when considering alternative packages.