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LTC6802IG-2#PBF - 

Battery Li-Ion Stack Fault Monitor IC, 12 Cells, Clock Output, 5 V to 60 V supply, SSOP-44

LTC6802IG-2#PBF - Battery Li-Ion Stack Fault Monitor IC, 12 Cells, Clock Output, 5 V to 60 V supply, SSOP-44

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC6802IG-2#PBF
Order Code:
1847457
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LTC6802IG-2#PBF is a multicell addressable Battery Stack Monitor includes a 12-bit ADC, a precision voltage reference, a high voltage input multiplexer and a serial interface. Each LTC6802-2 can measure 12 series connected battery cells with a total input voltage up to 60V. The voltage on all 12 input channels can be measured within 13ms. Many LTC6802-2 devices can be stacked to measure the voltage of each cell in a long battery string. Each LTC6802-2 has an individually addressable serial interface, allowing up to 16 LTC6802-2 devices to interface to one control processor and operate simultaneously. To minimize power, the LTC6802-2 offers a measure mode to monitor each cell for overvoltage and under-voltage conditions. A standby mode is also provided to reduce supply current to 50µA. Each cell input has an associated MOSFET switch that can discharge any overcharged cell.
  • Measures up to 12 Li-ion cells in series (60V maximum)
  • Stackable architecture enables >1000V systems
  • 0.25% Maximum total measurement error
  • 13ms to measure all cells in a system
  • On-chip passive cell balancing switches
  • Provision for off-chip passive balancing
  • Two thermistor inputs plus on-board temperature sensor
  • 1MHz Daisy-chainable serial interface
  • High EMI immunity
  • Delta sigma converter with built-in noise filter
  • Open wire connection fault detection
  • Low power modes

Applications

Automotive, Portable Devices, Power Management, Test & Measurement

Product Information

:
Li-Ion
:
Serial
:
12
:
5V
:
60V
:
SSOP
:
44Pins
:
-40°C
:
85°C
:
Each
:
-
:
-
:
Yes
:
MSL 1 - Unlimited
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