BQ35100PWR

Battery Management Overview

The BQ35100PWR is a fuel gauge IC from Texas Instruments designed for non-rechargeable batteries. It operates within a supply voltage range of 4.5 V and delivers an output voltage of 2.5 V with a maximum output current of 250 mA. The device supports battery capacities ranging from 100 mAh to 32,000 mAh. It functions in temperatures between -40°C and +85°C while consuming 130 uA during operation. The component is housed in a TSSOP-14 package.

Battery Management Feature Summary

• Provides accurate state-of-charge monitoring for primary battery systems
• Supports configurable capacity ranges up to 32,000 mAh
• Enables system protection through low-battery detection

Battery Management Applications

• Non-rechargeable battery-powered portable devices
• Industrial flow meters requiring primary cell management
• Medical equipment utilizing single-use power sources
• Smart home sensors powered by disposable batteries

Battery Management Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature grade. Ensure compatibility with I2C communication protocols required by the host microcontroller. Confirm RoHS compliance status for environmental regulations. Validate that the selected variant matches the intended non-rechargeable battery chemistry constraints.

Battery Management Selection Notes

Select this component when designing systems with non-rechargeable cells requiring precise remaining life estimation. Consider the TSSOP-14 footprint for PCB layout constraints. Evaluate the 130 uA operating current against total system power budgets. Ensure the host interface supports the necessary digital communication standards for data retrieval.

Battery Management Part Context

This part belongs to the BQ35100 series of fuel gauges. It is distinct from rechargeable battery management solutions. The PWR suffix indicates the TSSOP-14 surface-mount package. It serves as a specialized solution for primary battery applications where standard lithium-ion gauges are unsuitable.

Battery Management Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify pinout and functional equivalence before replacing. Generic fuel gauges may lack specific primary battery algorithms.