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MC33771CTA1AE
+BOMBATTERY CELL CONTROLLER, ADVANCE
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ManufacturerNXP USA Inc.
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Mfr. Part #MC33771CTA1AE
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Datasheet MC33771CTA1AE DataSheet
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In Stock10716
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Specifications
| Attribute | Value |
| Part Status | Active |
| 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) |
Overview
Description
Key features of the MC33771CTA1AE include:
1. Cell Monitoring: It supports the monitoring of up to 14 lithium-ion battery cells in series, offering high-precision voltage and temperature measurements.
2. Balancing: The device includes built-in cell-balancing features to ensure equal charge distribution across all cells, enhancing battery life and performance.
3. Communication: It supports robust communication interfaces such as SPI and high-speed daisy chain, allowing seamless integration with other system components.
4. Safety: The IC is equipped with diagnostic functions to enhance system safety and reliability, essential for automotive standards compliance.
5. Scalability: Its modular design enables easy scaling for larger battery packs by connecting multiple devices in a daisy-chain configuration.
The MC33771CTA1AE is ideal for electric vehicles, energy storage systems, and any application requiring reliable battery management.
Equivalent
1. Texas Instruments BQ76PL455A-Q1 - A similar battery monitoring IC for automotive applications.
2. Analog Devices LTC6811 - A multicell battery stack monitor suitable for similar uses.
3. Renesas ISL78714 - Another battery management solution for automotive applications.
These alternatives offer similar functionalities but may have different specifications and features, so review data sheets for compatibility.
Features
1. Cell Monitoring: Supports monitoring of up to 14 battery cells in series, providing accurate voltage and temperature readings.
2. Integrated Balancing: Offers passive cell balancing to maintain uniform charge levels across cells, enhancing battery life and performance.
3. High Accuracy: Provides precise measurements, essential for maintaining battery efficiency and safety.
4. Communication Protocols: Utilizes SPI or daisy-chain communication for flexible integration with various system architectures.
5. Safety Features: Includes overvoltage, undervoltage, and over-temperature protection to ensure reliable operation.
6. Low Power Consumption: Optimized for low power use, which is crucial for prolonged battery life in energy storage applications.
7. Robust Design: Engineered for harsh environments, with features like electromagnetic compatibility and high voltage tolerance.
These features make the MC33771CTA1AE suitable for managing complex battery systems, ensuring both efficiency and safety.
Pinout
Key features of the MC33771CTA1AE include:
1. Monitoring: It can monitor up to 14 battery cells connected in series.
2. Voltage Measurement: Provides high accuracy voltage measurement for each cell.
3. Temperature Sensing: Supports temperature measurement using external temperature sensors.
4. Balancing: Includes passive cell balancing circuitry.
5. Communication: Supports SPI (Serial Peripheral Interface) and TPL (Transformer Physical Layer) for data communication.
6. Fault Detection: Offers overvoltage, undervoltage, and temperature fault detection to enhance safety.
The MC33771CTA1AE is part of a broader family of battery management ICs and is suitable for use in electric vehicles, energy storage systems, and other high-reliability battery applications.