NXP USA Inc. MC33771BTA2AE

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Product attributes Property Value
Manufacturer NXP USA Inc.
Product Series
Packaging Tray |
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)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The NXP MC33771BTA2AE is a sophisticated Battery Cell Controller designed for large lithium-ion battery packs. It monitors 7 to 14 cells, delivering essential over/under voltage protection to maintain cell health and safety. With an SPI interface for efficient communication, it operates over a -40°C to 105°C range, ideal for automotive and industrial applications. The 64-LQFP Exposed Pad package ensures robust thermal performance and reliable operation in demanding environments.

  • High Cell Count Support: Manages 7-14 cells, reducing the number of ICs needed in large battery packs.
  • Automotive-Grade Temperature Range: Operates from -40°C to 105°C, suitable for under-hood and industrial use.
  • Comprehensive Voltage Protection: Over/under voltage monitoring enhances battery safety and cycle life.
  • Efficient SPI Interface: Provides fast, reliable data transfer for real-time battery management.

Electric Vehicle (EV) Traction Batteries

Supporting up to 14 cells, this controller is perfect for high-voltage EV battery packs, enabling precise monitoring of each cell in the stack for optimal range and safety.

Hybrid Electric Vehicles (HEV)

The -40°C to 105°C range and SPI interface make it suitable for HEV battery systems that experience varying thermal loads.

Large-Format Energy Storage Systems

For grid-scale or commercial ESS, the 14-cell capability reduces component count while maintaining accurate voltage supervision across large battery banks.

Heavy-Duty Industrial Equipment

Used in electric forklifts, AGVs, and mining vehicles, this controller ensures reliable battery management in rugged, high-vibration environments.

Marine and RV Power Systems

Its robust temperature tolerance and high cell count support lithium-ion banks in marine and recreational vehicles, providing dependable power management.

Q: What is the function of the MC33771BTA2AE?
A: It is a Battery Cell Controller for monitoring lithium-ion battery cells.
Q: How many cells can it manage?
A: It supports 7 to 14 lithium-ion cells in series.
Q: What protection does it offer?
A: It provides Over/Under Voltage protection for each cell.
Q: What interface does it use?
A: It communicates via the SPI interface.
Q: What is its operating temperature range?
A: It operates from -40°C to 105°C (TA).
Q: What package is available?
A: It is offered in a 64-LQFP Exposed Pad package.
Base Product Number : MC33771B
-40°C to 105°C 64-LQFP 7-14 Cells Battery Cell Controller Battery Management BMS Lithium Ion NXP SPI
Q: What is the function of the MC33771BTA2AE?
A: It is a Battery Cell Controller for monitoring lithium-ion battery cells.
Q: How many cells can it manage?
A: It supports 7 to 14 lithium-ion cells in series.
Q: What protection does it offer?
A: It provides Over/Under Voltage protection for each cell.
Q: What interface does it use?
A: It communicates via the SPI interface.
Q: What is its operating temperature range?
A: It operates from -40°C to 105°C (TA).
Q: What package is available?
A: It is offered in a 64-LQFP Exposed Pad package.