MBMI7018TA1AER2

Overview

The MBMI7018TA1AER2 is an 18-channel Li-ion battery cell controller IC designed for industrial applications such as energy storage systems and uninterruptible power supplies. It monitors up to 18 battery cells and 8 temperatures, featuring configurable digital filtering for voltage measurements. The device supports onboard passive cell balancing with a peak current of 360 mA and diagnostics. It utilizes a robust isolated 2.0 Mbit/s communication interface via a 2-wire twisted-pair differential daisy chain, supporting inductive or capacitive coupling. The IC operates within a supply voltage range of 9.0 V to 90 V, with a maximum transient of 94 V.

Feature Summary

• Monitors up to 18 battery cells and 8 temperatures with configurable averaging
• Provides onboard passive cell balancing with up to 360 mA peak current
• Features a robust isolated 2.0 Mbit/s communication interface
• Operates within a wide supply voltage range of 9.0 V to 90 V

Applications

• Energy storage systems
• Uninterruptible power supplies
• Industrial battery management

Procurement Notes

Verify the specific suffix TA1AER2 against official NXP documentation to confirm package type, tape-and-reel specifications, and moisture sensitivity level. Ensure compatibility with the intended PCB layout and communication topology. Cross-reference the ordering part number with the manufacturer's latest datasheet to avoid discrepancies in pinout or functional variants.

Selection Notes

Select this component for industrial applications requiring high channel count and robust isolation. Consider the 2.0 Mbit/s data rate and daisy-chain capability for system scalability. Evaluate the need for onboard balancing versus external solutions based on thermal constraints. Verify that the operating voltage range aligns with the total stack voltage requirements of the target battery architecture.

Part Context

This part belongs to the BMI7018 family of battery cell controllers from NXP Semiconductors. It is specifically engineered for industrial environments, offering features like configurable averaging and diagnostic capabilities not always present in automotive-focused variants. The family supports long-term availability programs, ensuring supply stability for critical infrastructure projects.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.