Product Details

Block Diagram

RD33774CNT3EVB

Get diagram PDF

Supported Devices

Battery Management

Battery Cell Controllers

MC33774: 18 Channel Li-Ion Battery Cell Controller IC ASIL D

Features

Voltage Measurement

3 MC33774ATA battery cell controllers (BCCs) for up to 54 cells, extendable by adding more CMUs to the daisy chain
Life-time guaranteed high accuracy cell voltage measurement channels, with averaging and advanced filtering

Temperature Measurement

8 analog inputs (including temperature sensors) or GPIOs with advanced filtering per BCC

Cell Balancing

Integrated temperature-controlled cell balancing with up to 300 mA (100 mA using default setup)

Communication

Isolated electrical transport protocol link (ETPL) communication between CMU and BMU

Cost Reduction

Optimized BOM using capacitive isolation on and off board

Buy Options

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BATT-18CTCABLE30
Active

Cell Terminal (CT) cable, 18 cells, 30 cm-long.

$25.00 USD

In Stock :20

Normally ships 1-2 business days

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Order from distributors

Distributor	Region	Inventory	Inventory Date	Order

Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

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BATT-TPLCABLE20
Active

Electrical transport protocol link (ETPL), two-wire, twisted, 20 cm-long cable.

Kit Contains

1 ETPL cable, 20 cm-long

$14.38 USD

In Stock :10

Normally ships 1-2 business days

ADD TO CART

Order from distributors

Distributor	Region	Inventory	Inventory Date	Order

Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

Click to expand

BATT-TPLCABLE50
Active

Electrical transport protocol link (ETPL), two-wire, twisted, 50 cm-long cable.

$14.38 USD

In Stock :2

Normally ships 1-2 business days

ADD TO CART

Order from distributors

Distributor	Region	Inventory	Inventory Date	Order

Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

Click to expand

RD33774CNT3EVB
Active

HVBMS Centralized Cell Monitoring Unit Using ETPL with MC33774ATA.

Kit Contains

1 RD33774CNT3EVB board
3 supply cables
1 ETPL cable

Note: Optional BATT-18EMULATOR cell emulator is available for this board.

Order from distributors

Distributor	Region	Inventory	Inventory Date	Order

Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

Documentation

Quick reference to our documentation types

7 documents

Compact List

Vehicle Electrification Solutions Brochure[VEHELECTSOLBRA4]

PDFOct 10, 2025Rev 9

High-Voltage BMS Reference Design - Fact Sheet[HVBMSFS]

PDFAug 5, 2022Rev 1

Getting Started with the HVBMSCT800BUN Reference Design Bundle[GS-HVBMSCT800BUN]Getting Started

HTMLMay 4, 2023

RDBESS774A3EVB featuring the MC33774A battery cell controller integrated circuit[UM12146]

HTML | PDFSep 14, 2026Rev 1.1
UM11904, RD33774CNT3EVB Featuring the MC33774 Battery Cell Controller IC User Manual[UM11904]

HTML | PDFSep 23, 2025Rev 1.1

NXP HVBMS Reference Design Helps Developers Get Ahead of the Curve - White Paper[HVBMSRDWP]

PDFAug 25, 2022Rev 1.0
Next-Generation Battery Management System Architectures - White Paper[HVBMSWPA4]

PDFMay 24, 2022Rev 0

Design Resources

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Reference Design
800 V Battery Management System (BMS) Reference Designs Using ETPL
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Design Files

Quick reference to our design files types.

2 design files

Printed Circuit Boards and Schematics
RD33774ACNT3EVB Schematics

PDFRev B1Jul 5, 2023 10:55:003.29 MBSPF-55290

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Design Files - miscellaneous
RD33774CNT3EVB Design Files

ZIPRev 1Apr 17, 2023 10:48:0010.80 MBRD33774CNT3EVB-DESIGN-FILES

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Software

Quick reference to our software types.

3 software offerings

Debugging and Visualization Tools
T1.stack

By GLIWA GmbH & Co. KG Gold Partner
Development IDEs and Build Tools
IAR Build ToolsNEW

By IAR Platinum Partner
Development IDEs and Build Tools
C/C++ OPTIMIZING COMPILERUPDATED

By Green Hills Software Platinum Partner

HVBMS Centralized Cell Monitoring Unit Using ETPL with MC33774ATA

Product Details

Block Diagram

RD33774CNT3EVB

Supported Devices

Battery Management

Battery Cell Controllers

Features

Voltage Measurement

Temperature Measurement

Cell Balancing

Communication

Cost Reduction

Applications

Automotive

Buy Options

BATT-18CTCABLE30 Active

BATT-TPLCABLE20 Active

BATT-TPLCABLE50 Active

RD33774CNT3EVB Active

Documentation

Filter by

Brochure (1)

Vehicle Electrification Solutions Brochure[VEHELECTSOLBRA4]

Fact Sheet (1)

High-Voltage BMS Reference Design - Fact Sheet[HVBMSFS]

User Guide (1)

Getting Started with the HVBMSCT800BUN Reference Design Bundle[GS-HVBMSCT800BUN]Getting Started

User Manual (2)

RDBESS774A3EVB featuring the MC33774A battery cell controller integrated circuit[UM12146]

UM11904, RD33774CNT3EVB Featuring the MC33774 Battery Cell Controller IC User Manual[UM11904]

White Paper (2)

NXP HVBMS Reference Design Helps Developers Get Ahead of the Curve - White Paper[HVBMSRDWP]

Next-Generation Battery Management System Architectures - White Paper[HVBMSWPA4]

Getting Started with the HVBMSCT800BUN Reference Design BundleGetting Started

Design Resources

Related Hardware

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Design Files

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RD33774ACNT3EVB Schematics

RD33774CNT3EVB Design Files

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Software

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IAR Build ToolsNEW

C/C++ OPTIMIZING COMPILERUPDATED

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IAR Build ToolsNEW

C/C++ OPTIMIZING COMPILERUPDATED

Training

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BATT-18CTCABLE30
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BATT-TPLCABLE20
Active

BATT-TPLCABLE50
Active

RD33774CNT3EVB
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