The MC33771BTB1AE is an integrated circuit (IC) component designed for automotive battery management systems. This IC belongs to the MC33HB family and is manufactured by NXP Semiconductors. It offers several key features that make it suitable for monitoring and controlling automotive batteries.
1. Cell Voltage Monitoring: The MC33771BTB1AE IC can monitor up to 14 individual cell voltages simultaneously. This feature allows for accurate monitoring of battery performance and identification of any weak or faulty cells.
2. Temperature Monitoring: The IC has the capability to measure the temperature of up to eight external temperature sensors. Monitoring temperature is crucial for ensuring safe battery operation and preventing damage due to overheating.
3. Current Sensing: The MC33771BTB1AE provides a high-precision current sense amplifier, enabling accurate measurement of battery current flowing in and out of the battery pack. This information is essential for battery state-of-charge estimation and accurate power management.
4. Communication Capabilities: The IC supports an ISO 11898-6-compliant LIN (Local Interconnect Network) interface, allowing seamless communication between the battery management system and other automotive control units. This communication interface facilitates data exchange and control functionalities.
5. Safety Features: The MC33771BTB1AE incorporates several safety features to ensure reliable battery management. It provides overvoltage and undervoltage protection, overcurrent protection, and over-temperature protection
