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reference designLTC6806 | Demoboard DC2192B

Analog Devices LTC6806 | Demoboard DC2192B

36 Channel Fuel Cell Monitor

Overview

TopologyBattery Management System
Input voltage3.3-12 V
Output 15 V

Description

Demonstration circuit 2192B is a fuel cell monitor featuring the LTC6806, a 36-channel fuel cell monitor. Multiple boards can be linked through a 2-wire isolated serial interface (isoSPI™) to monitor a long series of cells in a stack. The DC2192B demo circuit also features reversible isoSPI enabling a redundant communication path. The PCB, components and DuraClik connectors are optimized for low EMI susceptibility and emissions. The DC2192B can communicate to a PC by connecting a DC2792B dual master isoSPI together with DC2026 Linduino® One. The DC2026 must be loaded with the appropriate program (called a sketch) to control the battery stack monitor IC and receive data through a USB serial port. The DC2026C provides a standard SPI interface which can be translated to isoSPI and then connected to a DC2192B isoSPI port (J3/J4 connector). The DC2792B provides two SPI-isoSPI channels for reversible operation.

Features

  • 36 Measurement Channels Monitor up to 144 Fuel Cells in Series
  • Channel Measurement Range: ±5V
  • Cell Stack Voltage Range: –80V to 150V
  • Operates from a Single 5V Supply
  • Stackable Architecture Supports Large Fuel Cell Stacks
  • Built-In isoSPI™ Interface
  • 1MB/s Isolated Serial Communications
  • Uses a Single Twisted Pair, Up to 100 Meters
  • Low EMI Susceptibility and Emissions
  • Bidirectional for Broken Wire Protection
  • 15mV Total Measurement Error
  • 6.75ms to Measure All Cells in a System
  • Delta-Sigma Converter with Built-In Noise Filter
  • Six General Purpose Digital I/O or Analog Inputs
  • Temperature or Other Sensor Inputs
  • 12μA Sleep Mode Supply Current
  • 64-Lead LQFP Package
  • AEC-Q100 Qualified for Automotive Applications

Typical applications

  • Fuel Cell Electric and Hybrid Electric Vehicles
  • Backup Power Systems, High Power Portable Equipment

More information

Parts approved by Analog Devices

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150060YS75000
SPECWL-SMCW SMT Mono-color Chip LED Waterclear, 590 nm, Yellow
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear
Dominant Wavelength [typ.]590 nm
Emitting ColorYellow 
Peak Wavelength [typ.]595 nm
Luminous Intensity [typ.]120 mcd
Forward Voltage [typ.]2 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
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Size0603 
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750315829
SPECWE-FLYLT Flyback Transformers for Linear Technology, –, –
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ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWE-FLYLT Flyback Transformers for Linear Technology
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Input Voltage 36 - 72 V (DC)
Output Voltage 124 V
Output Current 1130 mA
Inductance150 µH
Turns Ratio1:1 
Saturation Current0.8 A
Leakage Inductance3 µH
Insulation Test Voltage1500 V (AC)
SizeEP7 
IC ReferenceLT8303 
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