Datasheet Linear Technology LTC6802-2

Manufacturer	Linear Technology
Series	LTC6802-2

Multicell Addressable Battery Stack Monitor

Datasheets

PDF, 382 Kb, Revision: A, File uploaded: Oct 23, 2017

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Prices

Packaging

	LTC6802IG-2#PBF	LTC6802IG-2#TRPBF
N	1	2
Package	SSOP-44 Package Outline Drawing	SSOP-44 Package Outline Drawing
Package Code	G	G
Package Index	05-08-1754	05-08-1754
Pin Count	44	44

Parametrics

Parameters / Models	LTC6802IG-2#PBF	LTC6802IG-2#TRPBF
Battery Chemistry	Multi-Chemistry: Cell voltages from 0V to 5V	Multi-Chemistry: Cell voltages from 0V to 5V
Communication Interface	1Mbps Addressable SPI	1Mbps Addressable SPI
Demo Boards	DC1393B	DC1393B
Export Control	no	no
Function	Battery Stack Monitor	Battery Stack Monitor
Multi-IC Architecture	Individually addressed (4-bit) ICs, parallel connection to host processor	Individually addressed (4-bit) ICs, parallel connection to host processor
Operating Temperature Range, °C	-40 to 85	-40 to 85
Vin Max, V	60	60

Eco Plan

	LTC6802IG-2#PBF	LTC6802IG-2#TRPBF
RoHS	Compliant	Compliant

Design Notes

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Simple Calibration Circuit Maximizes Accuracy in Li-Ion Battery Management Systems &mdash DN471
PDF, 80 Kb, File published: Aug 17, 2009
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Simple Calibration Circuit Maximizes Accuracy in Li-Ion Battery
Management Systems
Design Note 471
Jon Munson
Introduction
In Li-Ion battery systems it is important to match the
charge condition of each cell to maximize pack performance and longevity. Cell life improves by avoiding both
deep discharge and overcharge, so typical systems strive
for operation between 20% and 80% states of charge
(SOC). Detection and correction of charge imbalances
assures that all cells track within the desired SOC window,
preventing premature aging of some cells that could
compromise the entire pack capacity. Highly accurate
measurements are required to determine SOC with Li-Ion
cells due to their exceptionally п¬‚at discharge characteristics, particularly with the lower voltage chemistries (see
example in Figure 1).
4.0 1
2 LTC6802IG-2
35
GPIO1
VREG
VTEMP1
VвЂ“ 1M …

Articles

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Battery Stack Monitor Extends Life of Li-Ion Batteries in Hybrid Electric Vehicles &mdash LT Journal
PDF, 665 Kb, File published: Mar 1, 2009
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LINEAR TECHNOLOGY MARCH 2009 IN THIS ISSUEвЂ¦
COVER ARTICLE
Battery Stack Monitor
Extends Life of Li-Ion Batteries
in Hybrid Electric Vehicles.1
Michael Kultgen and Jon Munson Linear in the NewsвЂ¦.2
DESIGN FEATURES
DC/DC Converter, Capacitor Charger
Takes Inputs from 4.75V to 400V.9 VOLUME XIX NUMBER 1 Battery Stack Monitor
Extends Life of Li-Ion
Batteries in Hybrid
Electric Vehicles
by Michael Kultgen and Jon Munson Robert Milliken and Peter Liu How to Choose a Voltage Reference.14
Brendan Whelan 1.2A Monolithic Buck Regulator
Shrinks Supply Size and Cost with
Programmable Output Current Limit
.20
Tom Sheehan Boost Converters for Keep-Alive Circuits
Draw Only 8.5ОјA of Quiescent Current
.22
Xiaohua Su Industrial/Automotive Step-Down
Regulator Accepts 3.6V to 36V and
Includes Power-On Reset and Watchdog …

Model Line

Series: LTC6802-2 (2)

LTC6802IG-2#PBF LTC6802IG-2#TRPBF

Manufacturer's Classification

Power Management > Battery Management > Multicell Battery Stack Monitor

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Slices

Microcontrollers