DS2786BG+

Battery Management Overview

The DS2786BG+ is a stand-alone fuel gauge IC designed for lithium-ion and lithium-polymer battery packs. It utilizes an open-circuit-voltage (OCV) based algorithm to estimate remaining capacity without requiring current sensing components. The device operates within a supply voltage range of 2.5 V to 4.5 V, drawing a typical operating current of 50 uA. It provides a regulated output voltage of 3.1 V with a maximum output current capability of 4 mA. The component is housed in a TDFN-10 surface-mount package and supports industrial temperature ranges from -40°C to +85°C.

Battery Management Feature Summary

• Implements OCV-based fuel gauge algorithms for accurate state-of-charge estimation
• Eliminates the need for external current sensing resistors or Hall effect sensors
• Provides integrated low-dropout regulator functionality for system power management

Battery Management Applications

• Portable medical devices such as infusion pumps
• Consumer electronics including handheld instruments
• Industrial equipment requiring reliable battery monitoring
• Wearable technology with space-constrained designs

Battery Management Procurement Notes

Verify the specific suffix designation against official Analog Devices documentation to confirm package type and temperature grade. Ensure that the procurement channel sources genuine components directly from authorized distributors to avoid counterfeit risks. Cross-reference the manufacturer part number with the latest datasheet revisions to confirm compatibility with existing design specifications and regulatory requirements.

Battery Management Selection Notes

Select this component when designing systems that require simplified battery monitoring without complex current-sensing circuitry. It is suitable for applications where low quiescent current consumption is critical for extending operational life. Consider the thermal performance and physical dimensions of the TDFN-10 package during layout planning to ensure adequate heat dissipation and mechanical stability within the enclosure constraints.

Battery Management Part Context

This device belongs to the Maxim Integrated fuel gauge family, which focuses on standalone solutions for single-cell battery management. It complements other products in the portfolio by offering a cost-effective alternative to coulomb-counting methods. The series is engineered for high reliability in portable applications, providing a robust foundation for battery status reporting in compact electronic systems.

Battery Management Replacement Considerations

Consult official substitution lists for direct replacements. Verify pin compatibility and electrical characteristics before integrating any alternative components into the design.