BQ771605DPJT

Battery Management Overview

The BQ771605DPJT is a battery protection integrated circuit from Texas Instruments designed for lithium-ion battery packs. It operates within a supply voltage range of up to 20 V and supports a maximum output voltage of 6 V. The device features a low operating supply current of 1 uA, ensuring minimal power consumption during standby. It is housed in an 8-pin WSON package suitable for surface mount installation. The component functions across a temperature range of -40 C to +85 C and includes moisture sensitivity classification.

Battery Management Feature Summary

• Provides overvoltage protection mechanisms specifically engineered for lithium-ion battery cells.
• Integrates high-impedance sensing capabilities to monitor cell voltages with minimal quiescent current draw.
• Supports serial communication interfaces for configuration and status reporting within battery management systems.

Battery Management Applications

• Protection circuits for portable electronic devices utilizing lithium-ion batteries
• Battery pack management in consumer electronics requiring single-cell monitoring
• Industrial applications involving small-scale lithium-ion energy storage modules

Battery Management Procurement Notes

Verify the specific suffix DPJT corresponds to the required tape and reel packaging quantity when sourcing. Confirm that the manufacturer designation aligns with Texas Instruments specifications. Ensure compatibility with the intended board layout regarding the WSON-8 footprint. Check for any recent product change notifications affecting the component's electrical characteristics or environmental compliance status prior to finalizing procurement orders.

Battery Management Selection Notes

Select this component when designing systems requiring dedicated overvoltage protection for individual lithium-ion cells. It is suitable for applications where low standby current is critical for extending battery life. Consider the thermal performance limits defined by the +85 C maximum operating temperature. Evaluate the need for serial interface connectivity if system integration requires remote monitoring or configuration adjustments.

Battery Management Part Context

This part belongs to the BQ7716 series of battery protection ICs from Texas Instruments. The series offers various configurations for different cell counts and protection requirements. The BQ771605 variant specifically addresses single-cell protection scenarios. It complements other components in the family such as the BQ771604, which may offer similar functionality with slight parameter variations.

Battery Management Replacement Considerations

The BQ771604DPJR is a related component within the same family offering comparable protection features. Verify pin-to-pin compatibility and functional equivalence before substituting. Ensure that the alternative part meets all electrical and environmental requirements of the original design specification.