Overview
The MC33771BSP1AE is a SMARTMOS lithium-ion battery cell controller IC designed by NXP USA Inc. This component is specifically tailored for automotive and industrial applications, including hybrid electric vehicles (HEV), electric vehicles (EV), energy storage systems (ESS), and uninterruptible power supply (UPS) systems. It is part of the MC33771 family, known for its advanced battery management capabilities.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VPWR) | 9.6 | 63 | V | |
| Operating Temperature Range | -40 | 105 | °C | |
| Package Type | 64-pin LQFP-EP | |||
| Number of Channels | 7 to 14 | |||
| Communication Protocol | SPI, TPL differential | |||
| Cell Balancing Current | 300 mA | |||
| Reference Supply Output | 5.0 | V at 5.0 mA |
Key Features
- Automatic over/undervoltage and temperature detection with fault pin routing
- Integrated sleep mode for 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
- Fully compatible with the MC33772 for a maximum of six cells
- Qualified in compliance with AEC–Q100
Applications
The MC33771BSP1AE is suitable for a variety of applications, including:
- 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 MC33771BSP1AE?
The MC33771BSP1AE is a lithium-ion battery cell controller IC designed for managing and monitoring battery cells in various applications. - What are the operating temperature ranges for this IC?
The operating temperature range is from -40°C to 105°C. - What communication protocols does the MC33771BSP1AE support?
The IC supports SPI and TPL differential communication protocols. - How many channels does the MC33771BSP1AE support?
The IC supports 7 to 14 channels. - What is the cell balancing current of the MC33771BSP1AE?
The cell balancing current is 300 mA. - Is the MC33771BSP1AE 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 type of package does the MC33771BSP1AE come in?
The IC comes in a 64-pin LQFP-EP package. - Does the MC33771BSP1AE have hot plug capability?
Yes, it has hot plug capability. - Can the MC33771BSP1AE detect internal and external faults?
Yes, it can detect internal and external faults, including open lines, shorts, and leakages. - Is the MC33771BSP1AE compatible with other NXP battery management ICs?
Yes, it is fully compatible with the MC33772 for a maximum of six cells.
