MAX17047/MAX17050
ModelGauge m3 Fuel Gauge
ELECTRICAL CHARACTERISTICS (continued)
(V
= 2.5V to 4.5V, T = -20NC to +70NC, unless otherwise noted. Typical values are at T = +25NC.) (Note 1)
A A
BATT
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
THRM Output Drive
I
= 0.5mA
V
- 0.1
OUT
TT
THRM Precharge Time
t
8.48
ms
PRE
SDA, SCL, ALRT
Input Logic High
V
1.5
V
IH
SDA, SCL, ALRT Input Logic Low
SDA, ALRT Output Logic Low
SDA, ALRT Pulldown Current
ALRT Leakage
V
0.5
0.4
0.4
1
V
V
IL
V
I
= 4mA
OL
OL
I
Active mode, V
= 0.4V, V
= 0.4V
0.05
0.2
FA
FA
V
PD
SDA
ALRT
THRM Operating Range
2.5
40
V
TT
Battery-Removal Detection
V
V
- V
- V
125
150
200
230
mV
mV
DETR
THRM
THRM
AIN
Threshold—V
Rising
AIN
Battery-Removal Detection
Threshold—V Falling
V
V
V
70
DETF
TOFF
AIN
AIN
step from 70% to 100% of V
to
AIN
THRM
Battery-Removal Detection
Comparator Delay
t
ALRT falling; Alrtp = logic 0;
EnAIN = logic 1; FTHRM = logic 1
100
100
Fs
External AIN Capacitance
R
= 10kI NTC
nF
THM
ELECTRICAL CHARACTERISTICS (2-WIRE INTERFACE)
(2.5V P V
P 4.5V, T = -20NC to +70NC.) (Note 1)
A
BATT
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
f
(Note 3)
(Note 4)
0
400
kHz
SCL
Bus Free Time Between a STOP
and START Condition
t
1.3
0.6
Fs
Fs
BUF
Hold Time (Repeated)
START Condition
t
t
HD:STA
Low Period of SCL Clock
High Period of SCL Clock
t
1.3
0.6
Fs
Fs
LOW
t
HIGH
Setup Time for a Repeated
START Condition
0.6
Fs
SU:STA
HD:DAT
Data Hold Time
Data Setup Time
t
(Notes 5, 6)
(Note 5)
0
0.9
Fs
t
100
20 +
0.1C
ns
SU:DAT
Rise Time of Both SDA and SCL
Signals
t
300
ns
R
B
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3
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