ADI LTC6813 Multicell Battery Stack Monitor
The LTC6813-1 is a multicell battery stack monitor that measures up to 18 series connected battery cells with a total measurement error of less than 2.2mV. The cell measurement range of 0V to 5V makes the LTC6813-1 suitable for most battery chemistries. All 18 cells can be measured in 290µs, and lower data acquisition rates can be selected for high noise reduction.
Multiple LTC6813-1 devices can be connected in series, permitting simultaneous cell monitoring of long, high voltage battery strings. Each LTC6813-1 has an isoSPI interface for high speed, RF immune, long distance communications. Multiple devices are connected in a daisy chain with one host processor connection for all devices. This daisy chain can be operated bidirectionally, ensuring communication integrity, even in the event of a fault along the communication path.
Part no.: LTC6813HLWE-1#3ZZPBF
Key features
- AEC-Q100 Qualified for Automotive Applications
- Measures Up to 18 Battery Cells in Series
- 2.2mV Maximum Total Measurement Error
- Stackable Architecture for High Voltage Systems
- Built-In isoSPI™ Interface
- 290µs to Measure All Cells in a System
- Synchronized Voltage and Current Measurement
- 16-Bit Delta-Sigma ADC with Programmable 3rd Order Noise Filter
- Engineered for ISO 26262-Compliant Systems
- Passive Cell Balancing Up to 200mA (Max) with Programmable Pulse-Width Modulation
- 9 General Purpose Digital I/O or Analog Inputs
- 6µA Sleep Mode Supply Current
- 64-Lead eLQFP Package
- AEC-Q100 Qualified for Automotive Applications
Applications
- Electric and Hybrid Electric Vehicles
- Backup Battery Systems
- High Power Portable Equipment
- Grid Energy Storage
ADI LTC6813 Multicell battery stack monitor datasheet
ADI LTC6813 Multicell battery stack monitor datasheet
