LTC6820
30
6820fb
For more information www.linear.com/LTC6820
LINEAR TECHNOLOGY CORPORATION 2012
LT 0117 REV B• PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LTC6820
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC6803-2/
LTC6803-4
Multicell Battery Stack Monitor with an Individually
Addressable SPI Interface
Functionality Equivalent to LTC6803-1/LTC6803-3, Allows for Parallel
Communication Battery Stack Topologies
LTC6803-1/
LTC6803-3
Multicell Battery Stack Monitor with Daisy-Chained
SPI Interface
Functionality Equivalent to LTC6803-2/LTC6803-4, Allows for Multiple
Devices to Be Daisy Chained
LTC6903 1kHz to 68MHz Programmable Silicon Oscillator with
SPI Interface
Frequency Resolution of 0.01%. No External Components Required.
Operates on 2.7V to 5.5V.
LTC6804-1/
LTC6804-2
Multicell Battery Stack Monitor with Built-In isoSPI
Interface
Includes isoSPI Interfaces for Communication with Master LTC6820 and to
other LTC6804 Devices
806Ω
1.21k
IPA
IBIAS
IMA
ICMP
VM
6820 TA06
LTC6804-1
120Ω
120Ω
120Ω
V
REG
ISOMD
806Ω
1.21k
IPA
IBIAS
IMA
ICMP
VM
IPB
IMB
IPB
IMB
LTC6804-1
120Ω
120Ω
V
REG
ISOMD
806Ω
1.21k
IPA
IBIAS
IMA
ICMP
VM
IPB
IMB
LTC6804-1
V
REG
ISOMD
100nF
806Ω
1.21k
5V
LTC6820
120Ω
2k
IBIAS
ICMP
GND
SLOW
V
DD
IP
IM
POL
MSTR
PHA
EN
MISO
MOSI
SCK
CS
V
DDS
5V
Interfacing to Daisy-Chained Stack of LTC6804-1 Multicell Battery Monitors