LTC6801
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LTC6801

Independent Multicell Battery Stack Fault Monitor

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warning : NOT RECOMMENDED FOR NEW DESIGNS tooltip
warning : NOT RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 8
1ku List Price Starting From $13.36
Features
  • Qualified for Automotive Applications
  • Monitors Up to 12 Li-Ion Cells in Series (60V Max)
  • Stackable Architecture Enables > 1000V Systems
  • 1% Maximum Overvoltage Detection Level Error
  • Adjustable Overvoltage and Undervoltage Detection
  • Self Test Features Guarantee Accuracy
  • Robust Fault Detection Using Differential Signals
  • Simple Pin-Strapped Configuration Allows Battery Monitoring without a Microcontroller
  • 15.5ms to Monitor All Cells in a System
  • Programmable Response Time
  • Two Temperature Monitor Inputs
  • Low Power Idle Mode
  • 36-Lead SSOP Package
Additional Details
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The LTC6801 is a multicell battery monitoring IC incorporating a 12-bit ADC, a precision voltage reference, sampled comparator, and a high voltage input multiplexer. The LTC6801 can monitor as many as 12 series connected battery cells for overvoltage, undervoltage, and overtemperature conditions, indicating whether the cells are within specified parameters. The LTC6801 generates a clock output when no fault conditions exist. Differential clocking provides high noise immunity and ensures that battery stack fault conditions cannot be hidden by frozen bits or short circuit conditions.

Each LTC6801 can operate with a battery stack voltage up to 60V and multiple LTC6801 devices can be stacked to monitor each individual cell in a long battery string. When multiple devices are stacked, the status signal of each LTC6801 can be daisy-chained, without opto-couplers or isolators, providing a single status output for the entire battery string.

The LTC6801 is configurable by external pin strapping. Adjustable overvoltage and undervoltage thresholds support various Li-Ion chemistries. Selectable measurement times allow users to save power.

Applications

  • Redundant Battery Monitor
  • Hybrid Electric Vehicles
  • Battery Backup Systems
  • Power Systems Using Multiple Battery Cells
Part Models 8
1ku List Price Starting From $13.36

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

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Sep 13, 2023

- 23_0170

LTC6801 Data Sheet Revision

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

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LTC6801HG#TRPBF

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LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

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PRODUCTION

Jan 28, 2022

- 22_0010

LTC6801 Datasheet Edit

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

PRODUCTION

LTC6801HG#PBF

PRODUCTION

LTC6801HG#TRPBF

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LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

PRODUCTION

LTC6801IG#PBF

PRODUCTION

LTC6801IG#TRPBF

PRODUCTION

Jul 31, 2020

- 20_0245

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC6801HG#3ZZPBF

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LTC6801HG#3ZZTRPBF

PRODUCTION

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PRODUCTION

LTC6801IG#3ZZTRPBF

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PRODUCTION

LTC6801IG#TRPBF

PRODUCTION

Nov 18, 2019

- 19_0266

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

LTC6801HG#3ZZPBF

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LTC6801HG#3ZZTRPBF

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LTC6801HG#PBF

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Sep 13, 2023

- 23_0170

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LTC6801 Data Sheet Revision

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

PRODUCTION

LTC6801HG#PBF

PRODUCTION

LTC6801HG#TRPBF

PRODUCTION

LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

PRODUCTION

LTC6801IG#PBF

PRODUCTION

LTC6801IG#TRPBF

PRODUCTION

Jan 28, 2022

- 22_0010

arrow down

LTC6801 Datasheet Edit

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

PRODUCTION

LTC6801HG#PBF

PRODUCTION

LTC6801HG#TRPBF

PRODUCTION

LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

PRODUCTION

LTC6801IG#PBF

PRODUCTION

LTC6801IG#TRPBF

PRODUCTION

Jul 31, 2020

- 20_0245

arrow down

Notification of Wafer Fab Location Change for 0.6µm BICMOS Process Devices from ADI Milpitas (Hillview) to Vanguard Int. (Taiwan)

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

PRODUCTION

LTC6801HG#PBF

PRODUCTION

LTC6801HG#TRPBF

PRODUCTION

LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

PRODUCTION

LTC6801IG#PBF

PRODUCTION

LTC6801IG#TRPBF

PRODUCTION

Nov 18, 2019

- 19_0266

arrow down

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

LTC6801HG#3ZZPBF

PRODUCTION

LTC6801HG#3ZZTRPBF

PRODUCTION

LTC6801HG#PBF

PRODUCTION

LTC6801HG#TRPBF

PRODUCTION

LTC6801IG#3ZZPBF

PRODUCTION

LTC6801IG#3ZZTRPBF

PRODUCTION

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PRODUCTION

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