DS2775G+T&R

Battery Management Overview

The DS2775G+T&R is a single-cell lithium-ion or lithium-polymer battery protection device manufactured by Analog Devices Inc. (Maxim Integrated). It integrates a high-precision analog front-end for voltage, current, and temperature monitoring with an I²C-compatible digital interface. The component provides hardware-based protection against over-voltage, under-voltage, over-current, and thermal events. It features a built-in coulomb counter for state-of-charge calculation and includes non-volatile memory for configuration storage. The device operates within a supply voltage range of 2.0V to 5.5V and supports standard I²C communication protocols for system integration.

Battery Management Feature Summary

• Integrated hardware protection circuitry for single-cell Li-ion and Li-Po batteries
• High-precision analog front-end for continuous voltage, current, and temperature sensing
• Built-in coulomb counter enabling accurate state-of-charge tracking
• I²C-compatible digital interface for configuration and data retrieval

Battery Management Applications

• Portable electronic devices requiring single-cell battery management
• Medical equipment with strict safety and monitoring requirements
• Industrial handheld tools and instrumentation
• Consumer electronics utilizing rechargeable lithium-based power sources

Battery Management Procurement Notes

Verify the suffix T&R indicates tape-and-reel packaging when sourcing components for automated assembly processes. Confirm the G suffix denotes lead-free and RoHS compliance status according to manufacturer specifications. Ensure the ordering part number matches the exact package type required for your PCB layout design. Cross-reference the datasheet revision date to confirm compatibility with your system's firmware and hardware interfaces.

Battery Management Selection Notes

Select this component when a compact, integrated solution for single-cell lithium battery protection is required. It is suitable for applications needing precise state-of-charge monitoring via coulomb counting without external microcontroller intervention for basic protection functions. Consider the I²C interface requirements and available address space if multiple devices are used on the same bus. Evaluate the operating temperature range against your specific environmental constraints.

Battery Management Part Context

This device belongs to the Maxim Integrated battery management portfolio, designed for protecting and monitoring individual lithium-based cells. It combines analog sensing capabilities with digital control logic in a small footprint. The product line targets applications where board space is limited and reliable battery safety is critical. It serves as a dedicated protection IC rather than a multi-cell charger controller.

Battery Management Replacement Considerations

Consult official cross-reference lists from Analog Devices for verified equivalent parts. Verify pin-to-pin compatibility and electrical parameter alignment before substitution. Ensure any replacement maintains the same I²C protocol support and protection thresholds. Check for updated package options or revised feature sets in newer generations.