NXP USA Inc. MC33665ATU4AE

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Product attributes Property Value
Manufacturer NXP USA Inc.
Product Series
Packaging Tray |
Function Power Management
Battery Chemistry -
Number of Cells 3
Fault Protection -
Interface UART
Operating Temperature -40°C ~ 125°C (TA)
Grade Automotive
Qualification AEC-Q100
Mounting Type Surface Mount
Package / Case 48-LQFP Exposed Pad
Supplier Device Package 48-HLQFP (7x7)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The MC33665ATU4AE from NXP is a robust Power Management IC tailored for advanced battery management systems. Engineered to handle 3-cell configurations, it features a UART interface for reliable data communication. Its wide operating temperature range of -40°C to 125°C (TA) makes it exceptionally suited for automotive and industrial applications where thermal resilience is critical. The 48-LQFP Exposed Pad package ensures efficient heat dissipation and a compact footprint for space-constrained designs.

  • Extended Temperature Range: Rated for -40°C to 125°C, it is built for the most demanding automotive and industrial environments.
  • Robust Communication: The UART interface provides a simple and reliable method for data exchange with a host microcontroller.
  • Efficient Thermal Management: The exposed pad in the 48-LQFP package enhances heat transfer, improving long-term reliability.
  • Automotive-Grade Design: NXP's engineering ensures this IC meets the stringent quality and reliability standards required for automotive applications.

Automotive Battery Management Systems

With a wide -40°C to 125°C operating range, this power management IC is ideal for under-hood automotive BMS applications, ensuring reliable communication and power distribution in harsh thermal environments.

Industrial Energy Storage

In industrial battery racks, the MC33665ATU4AE provides robust power management and UART-based communication for monitoring 3-cell modules, suitable for backup power systems in demanding factory settings.

Electric Vehicle (EV) Auxiliary Systems

For EV battery packs, this IC manages power for monitoring circuits, with its high-temperature tolerance ensuring performance near battery cells and power electronics.

High-Temperature Downhole Tools

In oil and gas exploration, downhole tools experience extreme heat. This IC's 125°C rating makes it suitable for battery-powered logging equipment.

Avionics and Defense Electronics

For military and aerospace applications requiring components that can withstand extreme temperature swings, this power management IC offers a reliable solution for battery monitoring in ruggedized equipment.

Q: What is the function of the MC33665ATU4AE?
A: It is a Power Management IC designed for battery management systems.
Q: How many cells does it support?
A: It is designed to interface with systems using 3 cells.
Q: What communication interface does it use?
A: It uses a UART interface for communication.
Q: What is the operating temperature range?
A: It operates over an extended temperature range of -40°C to 125°C (TA).
Q: What package is the MC33665ATU4AE available in?
A: It is available in a 48-LQFP Exposed Pad package.
Q: What is the battery chemistry supported?
A: The technical data does not specify a particular battery chemistry.
Base Product Number : MC33665ATU4AE
3 Cells 48-LQFP Automotive Battery Management BMS NXP Power Management UART
Q: What is the function of the MC33665ATU4AE?
A: It is a Power Management IC designed for battery management systems.
Q: How many cells does it support?
A: It is designed to interface with systems using 3 cells.
Q: What communication interface does it use?
A: It uses a UART interface for communication.
Q: What is the operating temperature range?
A: It operates over an extended temperature range of -40°C to 125°C (TA).
Q: What package is the MC33665ATU4AE available in?
A: It is available in a 48-LQFP Exposed Pad package.
Q: What is the battery chemistry supported?
A: The technical data does not specify a particular battery chemistry.