Overview
The MC33772BSP1AE is a SMARTMOS lithium-ion battery cell controller IC designed by NXP USA Inc. for various applications, including automotive, industrial, and energy storage systems. This IC is particularly suited for hybrid electric vehicles (HEV), electric vehicles (EV), energy storage systems (ESS), and uninterruptible power supply (UPS) systems. It is known for its advanced features in battery management, such as differential cell voltage and current measurements, coulomb counting, and temperature monitoring. The device supports both SPI and transformer-isolated daisy chain communication, making it versatile for different system architectures.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage | 5.0 V ≤ VPWR ≤ 30 V, 42 V transient (SPI mode); 7.0 V ≤ VPWR ≤ 30 V, 42 V transient (daisy chain mode) |
| Cell Voltage Measurement | 3 to 6 cells, 0.8 mV total cell voltage measurement error |
| Communication | Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI |
| GPIO/Temperature Sensor Inputs | 7 ADC/GPIO/temperature sensor inputs |
| Current Measurement | Integrated current sensor with PGA, coulomb counter |
| Cell Balancing | Onboard 300 mA passive cell balancing with diagnostics |
| Fault Detection | Automatic over/undervoltage and temperature detection, internal and external fault detection |
| Safety Compliance | Compliant with ISO 26262 up to ASIL D, AEC-Q100 qualified |
| Operating Temperature | -40°C to 125°C |
| Package | 48-Pin HLQFP EP Tray |
Key Features
- Advanced voltage and temperature measurement with 0.8 mV total cell voltage measurement error.
- Synchronized cell voltage and current measurements with coulomb counting.
- Integrated onboard 300 mA passive cell balancing with diagnostics.
- Isolated 2.0 Mbps differential communication or 4.0 Mbps SPI, addressable on initialization.
- Automatic over/undervoltage and temperature detection, with fault pin routing.
- Integrated sleep mode with over/undervoltage and temperature monitoring.
- Hot plug capability and support for ISO 26262 up to ASIL D safety system.
- Seven GPIO/temperature sensor inputs and total stack voltage measurement.
Applications
- Automotive: Hybrid Electric Vehicles (HEV), Electric Vehicles (EV).
- Industrial: Energy Storage Systems (ESS), Uninterruptible Power Supply (UPS) systems.
- Battery Management Systems (BMS).
- E-bikes, e-scooters, and other battery-powered vehicles.
- Battery junction boxes.
Q & A
- What is the primary function of the MC33772BSP1AE IC?
The MC33772BSP1AE is a lithium-ion battery cell controller IC designed for managing and monitoring battery cells in various applications.
- What are the supported communication modes for the MC33772BSP1AE?
The IC supports both SPI and transformer-isolated daisy chain communication.
- How many cells can the MC33772BSP1AE manage?
The IC can manage 3 to 6 lithium-ion battery cells.
- What is the accuracy of cell voltage measurement for the MC33772BSP1AE?
The IC has a total cell voltage measurement error of 0.8 mV.
- Does the MC33772BSP1AE support cell balancing?
Yes, it supports onboard 300 mA passive cell balancing with diagnostics.
- What safety standards does the MC33772BSP1AE comply with?
The IC is compliant with ISO 26262 up to ASIL D and is AEC-Q100 qualified.
- What is the operating temperature range of the MC33772BSP1AE?
The operating temperature range is -40°C to 125°C.
- Can the MC33772BSP1AE operate in sleep mode?
Yes, it has an integrated sleep mode with over/undervoltage and temperature monitoring.
- Is the MC33772BSP1AE hot plug capable?
Yes, the IC is hot plug capable.
- What package type is the MC33772BSP1AE available in?
The IC is available in a 48-Pin HLQFP EP Tray package.
