MAX17047/MAX17050
ModelGauge m3 Fuel Gauge
operating range of the Temperature register. At power-
up, the thresholds default to their maximum settings—
V
Threshold Register (01h)
ALRT
The V
Threshold register (Figure 41) sets upper
ALRT
7F80h (disabled). Figure 42 shows the T
register format.
Threshold
and lower limits that generate an ALRT pin interrupt if
exceeded by the V register value. The upper 8
ALRT
CELL
bits set the maximum value and the lower 8 bits set the
minimum value. Interrupt threshold limits are selectable
with 20mV resolution over the full operating range of the
S
Threshold Register (03h)
ALRT
The S
Threshold register (Figure 43) sets upper and
ALRT
lower limits that generate an ALRT pin interrupt if exceeded
by the selected SOC , SOC , SOC , or SOC
V
register. At power-up, the thresholds default to
CELL
REP
AV
MIX
VF
their maximum settings—FF00h (disabled).
register values. See the SACFG bits in the MiscCFG
register description for details. The upper 8 bits set the
maximum value and the lower 8 bits set the minimum
value. Interrupt threshold limits are selectable with 1%
resolution over the full operating range of the selected
SOC register. At power-up, the thresholds default to their
maximum settings—FF00h (disabled).
T
Threshold Register (02h)
ALRT
The T
Threshold register sets upper and lower limits
ALRT
that generate an ALRT pin interrupt if exceeded by the
Temperature register value. The upper 8 bits set the max-
imum value and the lower 8 bits set the minimum value.
Interrupt threshold limits are stored in two’s-complement
format and are selectable with 1NC resolution over the full
MSB—ADDRESS 01h
LSB—ADDRESS 01h
7
6
5
4
3
2
1
0
0
0
7
6
5
4
3
2
1
0
0
0
MAX MAX MAX MAX MAX MAX MAX MAX
MIN MIN MIN MIN MIN MIN MIN MIN
MSb
LSb
MSb
LSb
UNITS: 20mV
Figure 41. V
Threshold Register Format (Input)
ALRT
MSB—ADDRESS 02h
LSB—ADDRESS 02h
6
5
4
3
2
1
6
5
4
3
2
1
S
MAX MAX MAX MAX MAX MAX MAX
S
MIN MIN MIN MIN MIN MIN MIN
MSb
LSb
MSb
LSb
UNITS: 1NC
Figure 42. T
Threshold Register Format (Input)
ALRT
MSB—ADDRESS 03h
LSB—ADDRESS 03h
7
6
5
4
3
2
1
7
6
5
4
3
2
1
MAX MAX MAX MAX MAX MAX MAX MAX
MIN MIN MIN MIN MIN MIN MIN MIN
MSb
LSb
MSb
LSb
UNITS: 1%
Figure 43. S
Threshold Register Format (Input)
ALRT
���������������������������������������������������������������� Maxim Integrated Products 32
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
