DS2786BG+T&R

Battery Management Overview

The DS2786BG+T&R is a standalone open-circuit-voltage (OCV) based fuel gauge IC designed for lithium-ion and lithium-polymer battery management. It operates within a supply voltage range of 2.5 V to 4.5 V and draws a typical operating current of 50 uA. The device provides an output voltage of 3.1 V with an output current capability of 4 mA. It is housed in a compact TDFN-10 package suitable for surface mount installation. The component functions reliably across an extended temperature range from -40°C to +85°C, ensuring stable performance in various environmental conditions.

Battery Management Feature Summary

• Implements OCV-based fuel gauging methodology for accurate state-of-charge estimation
• Features low power consumption suitable for portable applications
• Supports single-cell lithium-ion and lithium-polymer battery chemistries

Battery Management Applications

• Portable medical devices such as infusion pumps
• Hearing aids and fitness monitors
• Consumer electronics requiring precise battery monitoring

Battery Management Procurement Notes

Verify the specific suffix 'T&R' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required thermal and electrical specifications for the target application environment.

Battery Management Selection Notes

Select this component for designs requiring a standalone fuel gauge without complex coulomb counting hardware. Consider the TDFN-10 footprint for space-constrained layouts. Evaluate the 50 uA active current draw against system power budgets to ensure efficiency requirements are met during continuous operation.

Battery Management Part Context

This part belongs to the Maxim Integrated DS278x family of fuel gauges, which utilizes OCV algorithms for battery monitoring. The DS2786 variant specifically targets applications needing reliable capacity tracking for single-cell Li-ion or Li-Po batteries. It serves as a dedicated solution for systems where external microcontroller processing for fuel gauging is undesirable.

Battery Management Replacement Considerations

Consult official Analog Devices substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics before replacing to ensure compatibility.