Table 4. in3–in6 threshold settings – Rainbow Electronics MAX6871 User Manual
Page 16
MAX6870/MAX6871
EEPROM-Programmable Hex/Quad
Power-Supply Sequencers/Supervisors with ADC
16
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Table 4. IN3–IN6 Threshold Settings
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
RANGE
DESCRIPTION
02h
8002h
[7:0]
IN3 primary undervoltage detector threshold (V3A) (see equations in the IN3–IN6 section).
03h
8003h
[7:0]
IN4 primary undervoltage detector threshold (V4A) (see equations in the IN3–IN6 section).
04h
8004h
[7:0]
IN5 (MAX6870 only) primary undervoltage detector threshold (V5A)
(see equations in the IN3–IN6 section).
05h
8005h
[7:0]
IN6 (MAX6870 only) primary undervoltage detector threshold (V6A)
(see equations in the IN3–IN6 section).
08h
8008h
[7:0]
IN3 secondary undervoltage/overvoltage detector threshold (V3B)
(see equations in the IN3–IN6 section).
09h
8009h
[7:0]
IN4 secondary undervoltage/overvoltage detector threshold (V4B)
(see equations in the IN3–IN6 section).
0Ah
800Ah
[7:0]
IN5 (MAX6870 only) secondary undervoltage/overvoltage detector threshold (V5B)
(see equations in the IN3–IN6 section).
0Bh
800Bh
[7:0]
IN6 (MAX6870 only) secondary undervoltage/overvoltage detector threshold (V6B)
(see equations in the IN3–IN6 section).
[2]
IN3 secondary overvoltage/undervoltage selection.
0 = overvoltage threshold. 1 = undervoltage threshold.
[3]
IN4 secondary overvoltage/undervoltage selection.
0 = overvoltage threshold. 1 = undervoltage threshold.
[4]
IN5 (MAX6870 only) secondary overvoltage/undervoltage selection.
0 = overvoltage threshold. 1 = undervoltage threshold.
[5]
IN6 (MAX6870 only) secondary overvoltage/undervoltage selection.
0 = overvoltage threshold. 1 = undervoltage threshold.
0Ch
800Ch
[7:6]
Not used.
[1]
IN 3 r ang e sel ecti on.
0 = + 1V to + 5.5V r ang e i n 20m V i ncr em ents. 1 = + 0.5V to + 3.05V r ang e i n 10m V i ncr em ents.
[2]
IN 4 r ang e sel ecti on.
0 = + 1V to + 5.5V r ang e i n 20m V i ncr em ents. 1 = + 0.5V to + 3.05V r ang e i n 10m V i ncr em ents.
[3]
IN 5 ( M AX 6870 onl y) r ang e sel ecti on.
0 = + 1V to + 5.5V r ang e i n 20m V i ncr em ents. 1 = + 0.5V to + 3.05V r ang e i n 10m V i ncr em ents.
[4]
IN 6 ( M AX 6870 onl y) r ang e sel ecti on.
0 = + 1V to + 5.5V r ang e i n 20m V i ncr em ents. 1 = + 0.5V to + 3.05V r ang e i n 10m V i ncr em ents.
0Dh
800Dh
[5]
Not used.