
DS2770
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BLOCK DIAGRAM Figure 1
1-WIRE
INTERFACE
AND
ADDRESS
THERMAL
SENSE
MUX
VOLTAGE
REFERENCE
ADC
LOCKABLE EEPROM
SRAM
TEMPERATURE
VOLTAGE
CURRENT
ACCUM CURRENT
TIMER
STATUS/CONTROL
REGISTERS AND
USER MEMORY
TIMEBASE
25m
W
VSS
SNS
DQ
VIN
IS1
IS2
CHARGE CONTROL
CC
UV
VCH
ADC
CHIP GROUND
Internal sense resistor configuration only
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