Overview
The MC33771BSP1AER2 is a SMARTMOS lithium-ion battery cell controller IC designed by NXP USA Inc. for automotive and industrial applications. This integrated circuit 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 in demanding environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VPWR) | 9.6 | - | 63 | V |
| Operating Temperature | -40 | - | 105 | °C |
| Number of Channels | - | - | 7 to 14 | - |
| Package Type | - | - | 64-pin LQFP-EP | - |
| Reference Supply Output | - | 5.0 | - | V at 5.0 mA |
| Cell Balance Driver Current | - | - | 300 mA | - |
| ADC Conversion Time (16-bit resolution) | - | - | 37.67 | µs |
| Noise Error at 16-bit Conversion | - | 3.01 | - | µVrms |
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.
- Fully compatible with the MC33772 for a maximum of six cells.
- Qualified in compliance with AEC–Q100.
- SPI communication protocol.
Applications
The MC33771BSP1AER2 is designed for various automotive and industrial applications, including:
- Hybrid Electric Vehicles (HEV).
- Electric Vehicles (EV).
- Energy Storage Systems (ESS).
- Uninterruptible Power Supply (UPS) systems.
Q & A
- What is the primary function of the MC33771BSP1AER2? The MC33771BSP1AER2 is a lithium-ion battery cell controller IC designed for precise battery management in automotive and industrial applications.
- What is the operating temperature range of the MC33771BSP1AER2? The operating temperature range is -40°C to 105°C.
- How many channels does the MC33771BSP1AER2 support? It supports 7 to 14 channels.
- What type of package does the MC33771BSP1AER2 use? It uses a 64-pin LQFP-EP package.
- Does the MC33771BSP1AER2 support hot plug capability? Yes, it supports hot plug capability.
- What safety standards does the MC33771BSP1AER2 comply with? It complies with ISO 26262 up to ASIL D and AEC–Q100.
- What communication protocols does the MC33771BSP1AER2 support? It supports SPI communication protocol.
- What is the cell balance driver current of the MC33771BSP1AER2? The cell balance driver current is 300 mA.
- Does the MC33771BSP1AER2 have onboard diagnostics? Yes, it has onboard diagnostics for cell balancing and fault detection.
- Is the MC33771BSP1AER2 RoHS3-compliant? Yes, it is RoHS3-compliant.
