Overview
The MC33771BTP1AE,557 is a sophisticated lithium-ion battery cell controller IC designed and manufactured by NXP USA Inc. This device 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 features advanced functionalities to ensure reliable and efficient battery management.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Input Voltage (VPWR1, VPWR2) | -0.3 | 75 | V | |
| Cell Terminal Voltage (CT14) | -0.3 | 75 | V | |
| Voltage Across VPWR1,2 and CT14 | -10 | 10.5 | V | |
| Cell Terminal Differential Voltage | -0.3 | 6.0 | V | |
| Cell Balance Differential Voltage | 10 | V | ||
| Supply Current (IVPWR) in Normal Mode | 5.4 - 8.0 | mA | ||
| Operating Temperature Range | -40 | 105 | °C | |
| Package Type | 64-pin LQFP-EP |
Key Features
- Automatic Over/Undervoltage and Temperature Detection: The IC includes automatic detection and routing of over/undervoltage and temperature faults to a fault pin.
- Integrated Sleep Mode and Monitoring: It features integrated sleep mode with over/undervoltage and temperature monitoring.
- Onboard Cell Balancing: The device includes onboard 300 mA passive cell balancing with diagnostics.
- Hot Plug Capability: It is hot plug capable, allowing for safe insertion and removal of cells.
- Fault Detection: Detection of internal and external faults such as open lines, shorts, and leakages).
- Safety Compliance: Designed to support ISO 26262 up to ASIL D safety system).
- Communication Protocols: Supports SPI and TPL differential communication protocols).
- GPIO and Current Channels: Includes GPIO as temperature channels and OT/UT current channels or coulomb count).
Applications
- Automotive Applications: Suitable for hybrid electric vehicles (HEV) and electric vehicles (EV)).
- Energy Storage Systems (ESS): Used in energy storage systems for efficient battery management).
- Uninterruptible Power Supply (UPS) Systems: Ideal for UPS systems requiring reliable battery control).
- Industrial Applications: Applicable in various industrial settings requiring advanced battery management).
Q & A
- What is the primary function of the MC33771BTP1AE,557?
The MC33771BTP1AE,557 is a lithium-ion battery cell controller IC designed for managing battery cells in automotive and industrial applications.
- What are the key features of the MC33771BTP1AE,557?
Key features include automatic over/undervoltage and temperature detection, integrated sleep mode, onboard cell balancing, hot plug capability, and fault detection.
- What communication protocols does the MC33771BTP1AE,557 support?
The device supports SPI and TPL differential communication protocols.
- What is the operating temperature range of the MC33771BTP1AE,557?
The operating temperature range is from -40°C to 105°C.
- What type of package does the MC33771BTP1AE,557 come in?
The device comes in a 64-pin LQFP-EP package.
- Is the MC33771BTP1AE,557 compliant with any safety standards?
Yes, it is designed to support ISO 26262 up to ASIL D safety system.
- What are some typical applications of the MC33771BTP1AE,557?
Typical applications include hybrid electric vehicles, electric vehicles, energy storage systems, and uninterruptible power supply systems.
- Does the MC33771BTP1AE,557 have onboard cell balancing capabilities?
Yes, it includes onboard 300 mA passive cell balancing with diagnostics.
- Can the MC33771BTP1AE,557 detect internal and external faults?
Yes, it can detect faults such as open lines, shorts, and leakages.
- How many battery cells can the MC33771BTP1AE,557 manage?
The device can manage up to 14 battery cells.
