DS2770AE+025

Battery Management Overview

The DS2770AE+025 is a single-cell lithium-ion or lithium-polymer battery charger manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.5 V to 30 V and supports charge currents up to 1 A. The device features an integrated power FET, eliminating the need for external current-sensing components. It employs a three-stage charging algorithm consisting of preconditioning, constant current, and constant voltage phases, with automatic termination based on charge current drop. The component is housed in a TSSOP-16 package and functions reliably across an industrial temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Integrates a high-efficiency power FET to minimize external component count
• Implements a complete three-stage charging algorithm with automatic cycle termination
• Provides thermal regulation to manage die temperature during high-current charging
• Includes safety mechanisms such as negative delta-temperature detection

Battery Management Applications

• Portable consumer electronics requiring compact battery management
• Industrial equipment utilizing single-cell lithium-based power sources
• Medical devices necessitating reliable and safe battery charging cycles
• IoT sensors and handheld instruments with limited PCB space

Battery Management Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact packaging and tape-and-reel specifications. Confirm that the intended application environment remains within the specified operating temperature limits. Ensure input power supplies can sustain the required voltage range without exceeding maximum ratings. Cross-reference the part number with current lifecycle status notices to avoid obsolescence risks during production planning.

Battery Management Selection Notes

Select this component when a fully integrated solution for single-cell lithium batteries is required without external sense resistors. Consider its thermal regulation capabilities if the design operates in thermally constrained environments. Evaluate the TSSOP-16 footprint against available board space constraints. Compare its charge current capabilities against the target battery's acceptance profile to ensure optimal charging speed and longevity.

Battery Management Part Context

This device belongs to the Maxim Integrated line of dedicated linear chargers designed for portable applications. It represents a specialized class of power management ICs focused on simplifying battery charging architectures. The series is known for integrating protection and control logic directly onto the silicon die, reducing system complexity compared to discrete solutions.

Battery Management Replacement Considerations

Consult official cross-reference guides for direct pin-compatible alternatives from the same product family. Verify that any substitute maintains identical thermal regulation thresholds and charging algorithm profiles. Ensure the replacement part supports the same input voltage range and package dimensions.