DS2770AE+

Battery Management Overview

The DS2770AE+ is a single-cell lithium-ion or lithium-polymer battery management integrated circuit manufactured by Analog Devices Inc. under the Maxim Integrated brand. It functions as a complete protection and monitoring solution, integrating a high-precision analog-to-digital converter for voltage and current sensing. The device provides hardware-based overcharge, over-discharge, and overcurrent protection without requiring external microcontrollers. It features an I2C-compatible interface for digital communication with host systems.

Battery Management Feature Summary

• Integrates precision analog-to-digital conversion for accurate cell voltage and current measurement
• Provides hardware-enforced protection against overcharge, over-discharge, and short-circuit conditions
• Includes built-in coulomb counting capability for state-of-charge estimation
• Features a standard two-wire serial interface for system integration

Battery Management Applications

• Single-cell portable electronic devices such as smartphones and tablets
• Medical equipment requiring reliable battery monitoring
• Industrial handheld tools and instruments
• Consumer electronics with lithium-ion power sources

Battery Management Procurement Notes

Verify the suffix 'AE+' indicates automotive-grade qualification and lead-free compliance per RoHS standards. Confirm the package type matches design requirements, typically TDFN. Check manufacturer lifecycle status as automotive components may have specific availability constraints. Ensure ESD handling procedures are followed during installation.

Battery Management Selection Notes

Select this component when a single-cell lithium battery requires integrated protection and monitoring without complex firmware. It is suitable for applications needing precise coulomb counting and hardware safety limits. Compare against non-automotive grades if environmental stress resistance is not required. Verify interface compatibility with the host processor's I2C bus specifications.

Battery Management Part Context

This part belongs to the DS27xx series of battery management ICs from Maxim Integrated. It is designed specifically for single-cell chemistries. The 'AE' designation typically denotes automotive grade qualification, ensuring reliability under wider temperature ranges and stricter manufacturing controls compared to commercial variants.

Battery Management Replacement Considerations

Check for direct pin-compatible upgrades within the DS2770 family. Verify if lower-cost commercial versions meet environmental requirements. Consider newer generations from Analog Devices that may offer improved accuracy or additional features while maintaining interface compatibility.