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0V to 16V, Dual Hot-Swap Controller with 10-Bit
Current and Voltage Monitor and 4 LED Drivers
Minimum and Maximum Value Detection
for Voltage Measurement Values
All voltage measurement values are compared with the
contents of minimum- and maximum-value registers,
and if the most recent measurement exceeds the stored
maximum or is less than the stored minimum, the corre-
sponding register is updated with the new value. These
peak detection registers are read accessible through the
I 2 C interface (see Tables 32–35). The minimum-value
registers are reset to 0x3FF, and the maximum-value
registers are reset to 0x000. These reset values are
loaded upon startup of a channel or at any time as com-
manded by register peak_log_rst (see Table 36).
Table 32. ADC Minimum Voltage Conversion Register Format (High-Order Bits)
Description:
Minimum voltage conversion result, high-order bits [9:2]
Register Title:
Register Addresses:
min_ch0_mon_msb
0x0C
min_ch1_mon_msb
0x14
R/W
vmin_9
bit 7
R/W
vmin_8
bit 6
R/W
vmin_7
bit 5
R/W
vmin_6
bit 4
R/W
vmin_5
bit 3
R/W
vmin_4
bit 2
R/W
vmin_3
bit 1
R/W
vmin_2
bit 0
RESET
VALUE
0xFF
Table 33. ADC Minimum Voltage Conversion Register Format (Low-Order Bits)
Description:
Minimum voltage conversion result, low-order bits [1:0]
Register Title:
Register Addresses:
min_ch0_mon_lsb
0x0D
min_ch1_mon_lsb
0x15
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RESET
VALUE
vmin_1
vmin_0
0x03
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Table 34. ADC Maximum Voltage Conversion Register Format (High-Order Bits)
Description:
Maximum voltage conversion result, high-order bits [9:2]
Register Title:
Register Addresses:
max_ch0_mon_msb
0x0E
max_ch1_mon_msb
0x12
R
vmax_9
bit 7
R
vmax_8
bit 6
R
vmax_7
bit 5
R
vmax_6
bit 4
R
vmax_5
bit 3
R
vmax_4
bit 2
R/W
vmax_3
bit 1
R/W
vmax_2
bit 0
RESET
VALUE
0x00
28
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