MC33771BSA1AER2

$6.62

Description：IC BAT CNTRL LI-ION 7-14C 64LQFP
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)

SKU:2bbfd7782c39 Category: Battery Management Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC BAT CNTRL LI-ION 7-14C 64LQFP
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)
Function：Battery Cell Controller
Battery Chemistry：Lithium Ion
Number of Cells：7 ~ 14
Fault Protection：Over/Under Voltage
Interface：SPI
Operating Temperature：-40°C ~ 105°C (TA)
Grade：Automotive
Qualification：AEC-Q100
Mounting Type：Surface Mount
Package / Case：64-LQFP Exposed Pad
Supplier Device Package：64-LQFP (10x10)

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MC33771BSA1AER2

Overview

The MC33771BSA1AER2 is a 14-channel Li-ion battery cell controller IC designed for automotive and industrial applications. It operates within a supply voltage range of 9.6 V to 61.6 V, supporting 75 V transients. The device features differential cell voltage measurements, integrated current sensing with ±0.5% accuracy, coulomb counting, and temperature monitoring. It includes onboard passive balancing MOSFETs and supports isolated daisy chain or SPI communication.

Feature Summary

Integrated ADC conversions for differential cell voltages, currents, and temperature measurements
Embedded balancing transistors and comprehensive diagnostic functions
Support for standard SPI and transformer-isolated daisy chain communication via MC33664
Compliance with ISO 26262 up to ASIL D safety capability

Applications

Hybrid Electric Vehicles (HEV)
Electric Vehicles (EV)
Energy Storage Systems (ESS)
Uninterruptible Power Supply (UPS)

Procurement Notes

Verify the specific suffix 'BSA1AER2' against official NXP documentation to confirm it denotes the reel packaging variant of the MC33771B series. Ensure compatibility with required AEC-Q100 qualification standards and check for any non-disclosure agreement requirements associated with detailed datasheets or safety manuals.

Selection Notes

Select this component for high-voltage battery management systems requiring precise synchronization of cell voltage sampling. It is suitable for designs needing integrated passive balancing and robust fault diagnostics. Consider the MC33664 for isolated communication interfaces and ensure the host MCU is compatible with the supported SPI protocols.

Part Context

This part belongs to the MC33771 family of advanced battery cell controllers from NXP Semiconductors. It is engineered for demanding environments in electric mobility and stationary storage, offering a complete solution for monitoring and managing lithium-ion battery stacks with high reliability and functional safety.