S-8225BAF-TCT1U

Battery Management Overview

The S-8225BAF-TCT1U is a battery monitoring IC designed for lithium-ion secondary batteries, supporting configurations of 3 to 5 serial cells. It integrates high-accuracy voltage detection circuits and delay circuits to monitor cell status. The device operates within a power supply voltage range of 4 V to 26 V and features a low operating current consumption of 1.0 µA typical. It provides overcharge protection with a detection voltage accuracy of ±0.1 V and overdischarge protection with an accuracy of ±0.1 V. The component is housed in a 16-pin TSSOP package.

Battery Management Feature Summary

• Integrates high-accuracy voltage detection circuits for precise monitoring of individual cell voltages across multiple series configurations.
• Includes built-in delay circuits to prevent false triggering caused by transient noise or short-duration voltage fluctuations.
• Supports comprehensive protection functions including overcharge, overdischarge, and overcurrent detection with specified accuracy levels.

Battery Management Applications

• Lithium-ion battery packs for portable electronic devices
• Power tools utilizing multi-cell battery configurations
• Uninterruptible power supply (UPS) systems

Battery Management Procurement Notes

Verify the specific suffix 'TCT1U' corresponds to the required tape and reel packaging format during procurement. Confirm that the manufacturer's ordering requirements are met, as availability may vary. Ensure compatibility with the intended PCB footprint for the 16-TSSOP package before finalizing purchase orders.

Battery Management Selection Notes

Select this component when designing systems requiring independent monitoring of 3 to 5 serial lithium-ion cells. It is suitable for applications demanding high voltage detection accuracy and low standby current consumption. Consider the 16-TSSOP package constraints and ensure the design accommodates the necessary external components for overcurrent protection if not integrated internally.

Battery Management Part Context

This part belongs to the S-8225B Series from ABLIC Inc., which specializes in battery management solutions. The series is engineered for safety-critical applications involving lithium-ion chemistry. The BAF variant specifically denotes the package type and pin configuration within this family, distinguishing it from other suffixes that may indicate different packaging or minor functional variations.

Battery Management Replacement Considerations

Direct substitutes include other parts within the S-8225B series such as the S-8225BAE-TCT1U, provided the package and electrical characteristics match the design requirements. Verify pinout compatibility and detection voltage thresholds before substitution.

Battery Management FAQ

What is the maximum number of serial cells supported by the S-8225BAF-TCT1U?

The S-8225BAF-TCT1U supports battery packs consisting of 3 to 5 serially connected lithium-ion cells.

Does the S-8225BAF-TCT1U include overcurrent protection?

Yes, the device includes overcurrent detection circuits for both charging and discharging paths to protect the battery pack.