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RD-K344BMU
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HVBMS Battery Management Unit with S32K344 (BMU).
Kit contains:
- 1 RD-K344BMU board
- 1 power supply (12 VDC, 5 A)
- 1 multipurpose cable
- 1 USB-TTL cable
- 1 ETPL cable
- Analog Toolbox
- HVBMS Battery Management Unit (BMU)
HVBMS Battery Management Unit (BMU)
The battery management unit (BMU) is the controlling part of the battery management system (BMS). It processes data from all other BMS modules, makes decisions to ensure the safety of the BMS, communicates with the VCU and drives the contactors connecting the battery to the car system.
Product Details
Block Diagram
Choose a diagram:
Supported Devices
Sensors
Battery Pressure Monitoring Sensors (BPMS)
- NBP8-9x: Highly Integrated Battery Pressure Monitor Sensor
Power Management
High Side Switches
- MC12XS6: External Automotive Lighting Multi-Channel eXtreme Switch
System Basis Chips
- FS26: Safety System Basis Chip with Low Power, for ASIL D Systems
BLDC, H-Bridge, Stepper
- HB2000: SPI Programmable 10 A H-Bridge Brushed DC Motor Driver
Battery Communication ICs
- MC33665A: General Purpose BMS Communication TPL Transceiver and CAN FD Gateway
Processors and Microcontrollers
S32K Auto General-Purpose MCUs
- S32K3: S32K3 Microcontrollers for Automotive General Purpose
Interfaces
CAN with Flexible Data Rate
- TJA144x: Automotive CAN FD Transceiver Family
3.3 V / 5 V IO CAN Transceivers
- TJA1057: High-Speed CAN Transceiver - Mantis Family
CAN Partial Networking
- TJA1145A: High Speed CAN Transceiver with Partial Networking, CAN FD Data Rates up to 5 Mbit/s
Analog and Mixed Signal
Real-Time Clocks
- PCA2131: Nano-Power Highly Accurate RTC with Integrated Quartz Crystal for Automotive Applications
Features
Interfaces
- Two battery-internal communication option: Isolated electrical protocol link (ETPL) or standard CAN/CAN FD
- VCU CAN FD interface with partial networking
- Contactor drivers with PWM economization and current monitoring
- Overcurrent protected outputs for battery cooling or heating valves
- Overcurrent and reverse polarity protected outputs for junction box and DCLink bus pre-charge contactor
Advanced Features
- On-board pressure sensor for thermal runaway detection
- PWM-based interlock pilot loop
- Lower current consumption in sleep mode
- Cell voltage and battery current measurement synchronization for State of Health calculation
Wake-Up Sources
- SBC for periodic wake up
- VCU CAN for partial networking
- CMU wake up via CMU CAN or ETPL
- Pressure sensor for thermal runaway event detection
Buy Options
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RD-HVBMSCTBUN
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HVBMS Reference Design Bundle Using ETPL.
Kit contains:
- Battery Management Unit (RD-K344BMU)
- Centralized Cell Monitoring Unit (RD33775ACNTEVB)
- Battery Junction Box (RD772BJBTPLEVB)
- Battery pack emulator (BATT-14CEMULATOR), with power supply
- Battery emulator extender (BATT-14EXTENDER)
- Registration ID for entitlement to download the development suite (downloadable upon activation).
