DS2745U+T&R

Battery Management Overview

The DS2745U+T&R is a low-cost I²C battery monitor designed for single-cell lithium-ion and nickel metal hydride (NiMH) batteries. It operates within a supply voltage range of 2.5 V to 4.5 V and supports an output voltage of 5.5 V. The device functions in temperatures from -40°C to +85°C with a typical operating current of 70 µA. Packaged in an 8-UMAX surface-mount format, it provides essential monitoring capabilities for portable applications requiring efficient power management.

Battery Management Feature Summary

• Supports I²C communication interface for system integration
• Compatible with Lithium-ion and Nickel Metal Hydride battery chemistries
• Designed for low-power operation suitable for portable devices

Battery Management Applications

• Heart-rate monitors
• Fitness monitors
• Hearing aids

Battery Management Procurement Notes

Verify the specific suffix T&R indicates tape-and-reel packaging when sourcing. Confirm availability status as distribution channels may list limited stock or end-of-life conditions. Ensure the component matches the 8-UMAX package outline required for your PCB layout. Cross-reference the manufacturer part number with official Analog Devices documentation to confirm authenticity and revision level before procurement.

Battery Management Selection Notes

Select this component for applications requiring cost-effective monitoring of single-cell Li-ion or NiMH batteries. Verify that the 70 µA operating current meets the standby requirements of the target device. Ensure the design accommodates the 8-UMAX surface-mount package dimensions. Confirm compatibility with the host system's I²C bus voltage levels and address configuration needs.

Battery Management Part Context

This component belongs to the Maxim Integrated battery management portfolio, now under Analog Devices. It serves as a specialized monitor for portable electronics where space and power consumption are critical constraints. The device integrates necessary sensing functions into a compact form factor, replacing discrete solutions in modern consumer electronics designs.

Battery Management Replacement Considerations

Consult official Analog Devices documentation for verified substitute part numbers. Do not assume functional equivalence with other models in the series without checking pinout and electrical specifications.