LTC6803-2
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LTC6803-2

12 Channel Multicell Battery Monitor, Upgrade to LTC6802-2

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Linduino LTC6803-2 - DC1652A.ino Download 13.00KB Linduino LTC6803-2 Linduino.CPP Download 9.00KB Linduino LTC6803-2 Linduino Header File Download 4.00KB
Part Models 8
1ku List Price Starting From $11.78
Features
  • Measures Up to 12 Battery Cells in Series
  • Stackable Architecture
  • Supports Multiple Battery Chemistries and Supercapacitors
  • Individually Addressable Serial Interface
  • 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. Many LTC6803 devices can be stacked to measure the voltage of each cell in a long battery string. Each LTC6803-2/LTC6803-4 has an individually addressable serial interface, allowing up to 16 LTC6803-2/LTC6803-4 devices to interface to one control processor and operate simultaneously. Each cell input has an associated MOSFET switch for discharging overcharged cells. The LTC6803-2 connects the bottom of the stack to V– internally. It is pin compatible with the LTC6802-2, providing a drop-in upgrade. The LTC6803-4 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.

The related LTC6803-1 and LTC6803-3 offer a serial interface that allows the serial ports of multiple LTC6803-1 or LTC6803-3 devices to be daisy chained without optocouplers or isolators.

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 LTC6803-2 - DC1652A.ino Download 13.00KB Linduino LTC6803-2 Linduino.CPP Download 9.00KB Linduino LTC6803-2 Linduino Header File Download 4.00KB
Part Models 8
1ku List Price Starting From $11.78
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LTC6803-2

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Data Sheet

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UPDATED 08/03/2012
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LTC6803-2/LTC6803-4: Multicell Battery Stack Monitor Data Sheet

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UPDATED 10/02/2012
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LTC6803-2/LTC6803-4: 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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User Guide

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DC1835A - Demo Manual redirect icon

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UPDATED 08/18/2016
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UPDATED 08/18/2016
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被动均衡可让所有电芯容量近乎具有相同容量 redirect icon

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UPDATED 08/18/2016
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パッシブ・セル・バランシングにより、全バッテリ・セルの電圧を均一化 redirect icon

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Documentation

Product Selection Guide 1

Road Proven Battery Stack Monitor

Product Selector Card 1

Power and Thermal Monitoring

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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.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC6803HG-2#3ZZPBF 44-Lead SSOP external-link
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LTC6803HG-2#3ZZTRPBF 44-Lead SSOP external-link
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LTC6803HG-2#PBF 44-Lead SSOP external-link
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LTC6803HG-2#TRPBF 44-Lead SSOP external-link
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LTC6803IG-2#3ZZPBF 44-Lead SSOP external-link
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LTC6803IG-2#3ZZTRPBF 44-Lead SSOP external-link
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LTC6803IG-2#PBF 44-Lead SSOP external-link
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Oct 11, 2022

- 22_0242

Epoxy Change from Henkel 8290 to 8290A for SSOP PKG

LTC6803HG-2#3ZZPBF

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LTC6803HG-2#3ZZTRPBF

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Qualification Results Summary

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Delta Qualification Matrix

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Nov 18, 2019

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

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Detailed Parts List

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Oct 11, 2022

- 22_0242

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Epoxy Change from Henkel 8290 to 8290A for SSOP PKG

LTC6803HG-2#3ZZPBF

PRODUCTION

LTC6803HG-2#3ZZTRPBF

PRODUCTION

LTC6803HG-2#PBF

PRODUCTION

LTC6803HG-2#TRPBF

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PCN22_0242_Form

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Material_Report

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Qualification Results Summary

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Delta Qualification Matrix

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Nov 18, 2019

- 19_0266

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

LTC6803HG-2#3ZZPBF

PRODUCTION

LTC6803HG-2#3ZZTRPBF

PRODUCTION

LTC6803HG-2#PBF

PRODUCTION

LTC6803HG-2#TRPBF

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Detailed Parts List

Software & Part Ecosystem

Parts Product Life Cycle Description

Battery Cell Balancers2
LT8584
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LTC3300-1
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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 3

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DC1835A

LTC6803-4 (Requires DC590B) | Demo Board

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DC1835A

LTC6803-4 (Requires DC590B) | Demo Board

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DC1835A
LTC6803-4 (Requires DC590B) | Demo Board
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Product Detail

Evaluation circuit DC1835A is a Battery Monitoring System to demonstrate the functional operation of the LTC6803-4 integrated circuit. The design includes the ability to bus up to 10 devices with built-in board-toboard ribbon-cable interconnects and selectively apply resistive loading to any cell for purposes of “Passive Balancing.” Additionally, the board includes a DC-DC boost conversion section to power the IC from an isolated external 5V supply. The external 5V supply also powers a data isolator so that the user SPI data bus is floating with respect to the monitored cells.



Resources

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DC1835A - Demo Manual Download

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DC1835A - Schematic Download

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DC2064A

OBSOLETE: LTC3300ILXE-1 | LTC6803IG-2 High Frequency Bidirectional Multicell Battery Balancer- Companion Board DC590B

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DC2064A

OBSOLETE: LTC3300ILXE-1 | LTC6803IG-2 High Frequency Bidirectional Multicell Battery Balancer- Companion Board DC590B

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DC2064A
OBSOLETE: LTC3300ILXE-1 | LTC6803IG-2 High Frequency Bidirectional Multicell Battery Balancer- Companion Board DC590B
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Product Detail

This evaluation board is obsolete and no longer recommended. The replacement board is the DC2100B-C.

DC2064A Demo Board for:
LTC3300-1 High Efficiency Bidirectional Multicell Battery Balancer
LTC6803-2 and -4 Multicell Battery Stack Monitor

Resources

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DC2064A - Demo Manual Download

9.00M

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DC2064A - Schematic Download

220.00K

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DC2064A - Design Files Download

3.00M

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DC1652A

LTC6803-2 (Requires DC590B) | Demo Board

Evaluation Kits3

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DC1835A

LTC6803-4 (Requires DC590B) | Demo Board
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DC2064A

OBSOLETE: LTC3300ILXE-1 | LTC6803IG-2 High Frequency Bidirectional Multicell Battery Balancer- Companion Board DC590B
evaluation kit item images

DC1652A

LTC6803-2 (Requires DC590B) | Demo Board

Tools & Simulations 1

Linduino

Linduino is Analog Devices’ Arduino compatible system for developing and distributing firmware libraries and example code for our integrated circuits. Each Linduino-supported product includes an example main program, defined in the LTSketchbook/Part Number folder and driver code, defined in the LTSketchbook/libraries folder.

Linduino code repository on GitHub and instructions on how to use the code.

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