Overview
The MC33771BTA1AE is a lithium-ion battery cell controller IC designed by NXP USA Inc. for advanced battery management in automotive and industrial applications. This SMARTMOS device is particularly suited for hybrid electric vehicles (HEV), electric vehicles (EV), energy storage systems (ESS), and uninterruptible power supply (UPS) systems. It offers robust features for monitoring and controlling battery cells, ensuring high reliability and safety standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | 64-LQFP Exposed Pad | |
| Number of Cells | 7 ~ 14 | |
| Mounting Type | Surface Mount | |
| Supply Voltage | 9.6 ~ 63 V | V |
| Operating Temperature Range | -40 ~ 105 °C | °C |
| Cell Balance Current | 300 mA | mA |
| Communication Protocol | SPI, TPL differential | |
| Safety Compliance | ISO 26262 up to ASIL D, AEC-Q100 |
Key Features
- Automatic over/undervoltage and temperature detection with fault pin routing
- Integrated sleep mode with over/undervoltage and temperature monitoring
- Onboard 300 mA passive cell balancing with diagnostics
- Hot plug capability
- Detection of internal and external faults, including open lines, shorts, and leakages
- 5.0 V at 5.0 mA reference supply output
- Support for SPI and TPL differential communication protocols
- Compatibility with the MC33772 for a maximum of six cells
Applications
- Hybrid Electric Vehicles (HEV)
- Electric Vehicles (EV)
- Energy Storage Systems (ESS)
- Uninterruptible Power Supply (UPS) systems
- Industrial battery management systems
Q & A
- What is the primary function of the MC33771BTA1AE?
The MC33771BTA1AE is a lithium-ion battery cell controller IC designed for monitoring and controlling battery cells in various applications.
- What is the operating temperature range of the MC33771BTA1AE?
The operating temperature range is -40 °C to 105 °C.
- How many cells can the MC33771BTA1AE manage?
The device can manage 7 to 14 cells.
- What communication protocols does the MC33771BTA1AE support?
The device supports SPI and TPL differential communication protocols.
- Does the MC33771BTA1AE have built-in cell balancing capabilities?
Yes, it has onboard 300 mA passive cell balancing with diagnostics.
- Is the MC33771BTA1AE compliant with automotive safety standards?
Yes, it is compliant with ISO 26262 up to ASIL D and AEC-Q100.
- What is the package type of the MC33771BTA1AE?
The package type is 64-LQFP Exposed Pad.
- Can the MC33771BTA1AE detect internal and external faults?
Yes, it can detect faults such as open lines, shorts, and leakages.
- Does the MC33771BTA1AE support hot plug operations?
Yes, it is hot plug capable.
- What is the reference supply output of the MC33771BTA1AE?
The device provides a 5.0 V at 5.0 mA reference supply output.
