Overview
The MC33771BTP1AE is a 14-channel Li-ion battery cell controller IC designed by NXP USA Inc. for various 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 advanced features for precise battery management, ensuring reliable and efficient operation of Li-ion battery cells.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VPWR) | 9.6 - 63 | V |
| Operating Temperature (TA) | -40 to 105 | °C |
| Number of Channels | 7 to 14 | - |
| Package Type | 64-pin HLQFP-EP | - |
| Communication Protocol | SPI, TPL differential | - |
| Over/Undervoltage Precision | Yes | - |
| GPIO as Temperature Channels | Yes | - |
| Cell Balance Current | 300 mA | - |
| Fault Detection | Internal and external faults, open lines, shorts, leakages | - |
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
- Designed to support ISO 26262 up to ASIL D safety system
- Compatible with the MC33772 for a maximum of six cells
- Qualified in compliance with AEC–Q100
- 5.0 V at 5.0 mA reference supply output
Applications
- Hybrid Electric Vehicles (HEV)
- Electric Vehicles (EV)
- Energy Storage Systems (ESS)
- Uninterruptible Power Supply (UPS) systems
- Automotive and industrial battery management systems
Q & A
- What is the primary function of the MC33771BTP1AE?
The MC33771BTP1AE is a 14-channel Li-ion battery cell controller IC designed for managing Li-ion battery cells in various automotive and industrial applications.
- What is the operating temperature range of the MC33771BTP1AE?
The operating temperature range is -40°C to 105°C.
- What communication protocols does the MC33771BTP1AE support?
The device supports SPI and TPL differential communication protocols.
- Does the MC33771BTP1AE have over/undervoltage detection?
Yes, it has automatic over/undervoltage detection with fault pin routing.
- What is the cell balance current capability of the MC33771BTP1AE?
The device has onboard 300 mA passive cell balancing with diagnostics.
- Is the MC33771BTP1AE compliant with any specific safety standards?
Yes, it is designed to support ISO 26262 up to ASIL D safety system and is qualified in compliance with AEC–Q100.
- What types of faults can the MC33771BTP1AE detect?
The device can detect internal and external faults, including open lines, shorts, and leakages.
- What is the package type of the MC33771BTP1AE?
The package type is 64-pin HLQFP-EP.
- Can the MC33771BTP1AE be used in hot plug applications?
Yes, it is hot plug capable.
- What is the supply voltage range for the MC33771BTP1AE?
The supply voltage range is 9.6 V to 63 V.
