LTC6803-1
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LTC6803-1

12 Channel Multicell Battery Monitor, Upgrade to LTC6802-1

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Linduino LTC6803-1 Linduino.CPP Download 9.00KB Linduino LTC6803-1 - DC1651A.ino Download 13.00KB Linduino LTC6803-1 Linduino Header File Download 4.00KB
Part Models 9
1ku List Price Starting From $11.78
Features
  • Measures Up to 12 Battery Cells in Series
  • Stackable Architecture
  • Supports Multiple Battery Chemistries and Supercapacitors
  • Serial Interface Daisy Chains to Adjacent Devices
  • 0.25% Maximum Total Measurement Error
  • Engineered for ISO26262 Compliant Systems
  • 13ms to Measure All Cells in a System
  • Passive Cell Balancing:
    • Integrated Cell Balancing MOSFETs
    • Ability to Drive External Balancing MOSFETs
  • On-board Temperature Sensor and Thermistor Inputs
  • 1MHz Serial Interface with Packet Error Checking
  • Safe with Random Connection of Cells
  • Built-In Self Tests
  • Delta-Sigma Converter With Built-In Noise Filter
  • Open-Wire Connection Fault Detection
  • 12μA Standby Mode Supply Current
  • High EMI Immunity
  • 44-Lead SSOP Package
Additional Details
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The LTC6803 is a 2nd generation, complete battery monitoring IC that includes a 12-bit ADC, a precision voltage reference, a high voltage input multiplexer and a serial interface. Each LTC6803 can measure up to 12 series-connected battery cells or supercapacitors. Using a unique level shifting serial interface, multiple LTC6803-1/LTC6803-3 devices can be connected in series, without opto-couplers or isolators, allowing for monitoring of every cell in a long string of series-connected batteries. Each cell input has an associated MOSFET switch for discharging overcharged cells. The LTC6803-1 connects the bottom of the stack to V– internally. It is pin compatible with the LTC6802-1, providing a drop-in upgrade. The LTC6803-3 separates the bottom of the stack from V–, improving cell 1 measurement accuracy.

The LTC6803 provides a standby mode to reduce supply current to 12μA. Furthermore, the LTC6803 can be powered from an isolated supply, providing a technique to reduce battery stack current draw to zero.

For applications requiring individually addressable serial communications, see the LTC6803-2/LTC6803-4.


 SPI Interface Isolated V– LTC6802 Pin Compatible
LTC6803-1 Daisy Chain No Yes
LTC6803-2 Addressable No Yes
LTC6803-3 Daisy Chain Yes No
LTC6803-4 Addressable Yes No

Applications

  • Electric and Hybrid Electric Vehicles
  • High Power Portable Equipment
  • Backup Battery Systems
  • Electric Bicycles, Motorcycles, Scooters


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Documentation View All Documentation
Linduino LTC6803-1 Linduino.CPP Download 9.00KB Linduino LTC6803-1 - DC1651A.ino Download 13.00KB Linduino LTC6803-1 Linduino Header File Download 4.00KB
Part Models 9
1ku List Price Starting From $11.78
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LTC6803-1

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UPDATED 08/03/2012
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LTC6803-1/LTC6803-3: Multicell Battery Stack Monitor Data Sheet

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LTC6803-1/LTC6803-3: マルチセル・バッテリ・スタック・モニタ データシート

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Documentation

Product Selection Guide 1

Road Proven Battery Stack Monitor

Product Selector Card 1

Power and Thermal Monitoring

Video

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2017-09-18

Multicell Battery Stack Monitor IC for High Voltage Applications

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

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LTC6803IG-1#3ZZPBF 44-Lead SSOP external-link
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LTC6803IG-1#3ZZTRPBF 44-Lead SSOP external-link
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LTC6803IG-1#PBF 44-Lead SSOP external-link
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Oct 11, 2022

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Epoxy Change from Henkel 8290 to 8290A for SSOP PKG

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Nov 18, 2019

- 19_0266

Laser Top Mark for SSOP36/44/48 Packages assembled in ADPG and UTAC

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Epoxy Change from Henkel 8290 to 8290A for SSOP PKG

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Laser Top Mark for SSOP36/44/48 Packages assembled in ADPG and UTAC

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Detailed Parts List

Software & Part Ecosystem

Parts Product Life Cycle Description

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Parts Product Life Cycle Description
LTC6804-1
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PRODUCTION

12 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 3

Evaluation Kits 2

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DC1651A

LTC6803-1 (Requires DC590B) | Demo Board

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DC1653A

LTC6803-3 (Requires DC590B) | Demo Board

Evaluation Kits2

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DC1651A

LTC6803-1 (Requires DC590B) | Demo Board
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DC1653A

LTC6803-3 (Requires DC590B) | Demo Board

Tools & Simulations 1

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