LC709203FQH-03TWG

Battery Management Overview

The LC709203FQH-03TWG is a single-cell lithium-ion battery fuel gauge IC from onsemi’s Smart LiB Gauge family. It provides accurate remaining state of charge (RSOC) measurement for portable devices. The device operates with a supply voltage range of 2.5V to 4.5V and utilizes CMOS technology. It is housed in an 8-VDFN package measuring 3x4 mm. The component supports surface mount mounting and functions within an operating temperature range of -40°C to 85°C.

Battery Management Feature Summary

• Measures remaining state of charge for single lithium-ion batteries
• Integrates battery monitoring functionality within a compact surface-mount package

Battery Management Applications

• Portable electronic devices requiring precise battery level indication
• Smartphones and tablets utilizing single-cell lithium-ion power sources
• Wearable technology with limited space for power management components

Battery Management Procurement Notes

Verify the complete part number including suffixes such as TWG to ensure correct packaging and material compliance. Confirm that the specific variant matches the required operational temperature range and package dimensions for your PCB layout. Cross-reference official datasheets to validate electrical specifications against system requirements before procurement.

Battery Management Selection Notes

Select this component when designing systems with single-cell lithium-ion batteries requiring integrated fuel gauge capabilities. Ensure the design accommodates the 8-VDFN footprint and 2.5V to 4.5V supply constraints. Consider the -40°C to 85°C operating range for environmental suitability in the target application environment.

Battery Management Part Context

This part belongs to the LC709203 series of battery management ICs by onsemi. The series focuses on smart battery gauging solutions for consumer electronics. The LC709203FQH-03TWG specifically targets single-cell applications, offering a balance of accuracy and integration density suitable for modern mobile hardware designs.

Battery Management Replacement Considerations

Consult official substitution guides for compatible alternatives within the LC709203 family or other onsemi fuel gauge products. Verify pin compatibility and electrical parameter alignment before replacing existing inventory.