Overview
The ADBMS1818ASWAZ-RL from Analog Devices Inc. is a sophisticated battery monitor chip designed for multi-cell battery management. This device is engineered to support a wide range of battery chemistries, including lithium-ion, lead-acid, and others. It is particularly suited for automotive applications due to its AEC-Q200 qualification, ensuring reliability and longevity in harsh environments. The chip integrates advanced features for accurate battery monitoring, safety protections, and efficient communication with microcontroller units via an SPI interface.
Key Specifications
| Parameter | Value |
|---|---|
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | Up to 18 |
| Interface | SPI |
| Operating Temperature | -40°C to 85°C |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Package / Case | 64-LQFP Exposed Pad (10x10) |
| Operating Supply Voltage | 3 V to 3.3 V |
| Output Voltage | 5.7 V |
| Operating Supply Current | 14 μA |
Key Features
- Multi-chemistry battery compatibility, supporting a wide range of battery types.
- Integrated battery monitoring for up to 18 cells with a total measurement error of less than 3.0 mV.
- SPI interface for communication with microcontroller units.
- Over Temperature and Over/Under Voltage fault protection for enhanced safety.
- Advanced data analytics and reporting capabilities.
- Predictive maintenance scheduling and integration with SCADA systems available.
- AEC-Q200 qualification ensuring reliability and longevity in automotive environments.
- Surface mount technology simplifies the PCB design process.
Applications
- Battery management systems for automotive applications.
- Energy storage systems.
- Backup power systems.
- Portable electronics requiring efficient power management.
Q & A
- What is the ADBMS1818ASWAZ-RL used for? The ADBMS1818ASWAZ-RL is used for multi-cell battery management, particularly in automotive and energy storage applications.
- What types of batteries does it support? It supports multi-chemistry batteries, including lithium-ion, lead-acid, and others.
- How many cells can it monitor? It can monitor up to 18 series-connected battery cells.
- What is the operating temperature range of the ADBMS1818ASWAZ-RL? The operating temperature range is from -40°C to 85°C.
- What interface does it use for communication? It uses an SPI interface for communication with microcontroller units.
- What safety features does it have? It has Over Temperature and Over/Under Voltage fault protection.
- Is it suitable for automotive applications? Yes, it is AEC-Q200 qualified, making it suitable for automotive applications.
- What is the package type of the ADBMS1818ASWAZ-RL? It comes in a 64-LQFP Exposed Pad package.
- What is the typical operating supply current? The typical operating supply current is 14 μA.
- What are some of the advanced features it offers? It offers advanced data analytics, predictive maintenance scheduling, and integration with SCADA systems.
