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LTC6810-1 Datasheet

LTC6810-1 Datasheet

6 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 4
Part No.: LTC6810-1
Page: 90 Pages
Size: 9272 KB
Manufacturer: Linear Technology
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Views: 0
Update Time: 2024-12-17 21:14:05
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LTC6810-1 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC6810IG-1#3ZZPBF Tube 37 LTC6810G-1 1 44 -40°C ~ 85°C 44-Lead Plastic SSOP  
LTC6810IG-1#3ZZTRPBF Reel 2000 LTC6810G-1 1 44 -40°C ~ 85°C 44-Lead Plastic SSOP  
LTC6810HG-1#3ZZPBF Tube 37 LTC6810G-1 1 44 -40°C ~ 125°C 44-Lead Plastic SSOP  
LTC6810HG-1#3ZZTRPBF Reel 2000 LTC6810G-1 1 44 -40°C ~ 125°C 44-Lead Plastic SSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC6810-1 Datasheet(PDF)

LTC6810-1 Datasheet(Picture)

LTC6810-1 Features

  • AEC-Q100 Qualified for Automotive Applications
  • Measures Up to 6 Battery Cells in Series
  • 1.8mV Maximum Total Measurement Error
  • Stackable Architecture Supports 100s of Cells
  • 290μs to Measure All Cells in a System
  • Built-in isoSPI Interface
    • 1Mb Isolated Serial Communications
    • Uses Single Twisted Pair, Up to 100 Meters
    • Low EMI Susceptibility and Emissions
    • Bidirectional for Broken Wire Protection
  • Guaranteed Performance Down to 5V
  • Performs Redundant Cell Measurements
  • Engineered for ISO 26262 Compliant Systems
  • Passive Cell Balancing with Programmable Pulse Width Modulation
  • 4 General Purpose Digital I/O or Analog Inputs
    • Temperature or Other Sensor Inputs
    • Configurable as an I2C or SPI master
  • 4μA Sleep Mode Supply Current
  • 44-Lead SSOP Package

LTC6810-1 Applications

  • Electric and Hybrid Electric Vehicles
  • Backup Battery Systems
  • Grid Energy Storage
  • High Power Portable Equipment

LTC6810-1 Description

The LTC6810 is a multicell battery stack monitor. The LTC6810 measures up to 6 series-connected battery cells with a total measurement error of less than 1.8mV. The cell measurement range of 0V to 5V makes the LTC6810 suitable for most battery chemistries. All 6 cells can be measured in 290µs, and lower data acquisition rates can be selected for high noise reduction.

Multiple LTC6810-1 devices can be connected in series, permitting simultaneous cell monitoring of long, high voltage battery strings. Each LTC6810 has an isoSPI interface for high speed, RF-immune, long distance communications. Using the LTC6810-1, multiple devices are connected in a daisy chain with one host processor connection for all devices. The LTC6810-1 supports bidirectional operation, allowing communication even with a broken wire.

The LTC6810 can be powered directly from the battery stack or from an isolated supply. The LTC6810 includes passive balancing for each cell, with PWM duty cycle control for each cell and the ability to perform redundant cell measurements. Other features include an onboard 5V regulator, 4 general purpose I/O lines and a sleep mode in which current consumption is reduced to 4µA.

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