Rainbow-electronics MAX6871 Manual do Utilizador descarregar pdf (Página 16)

MAX6870/MAX6871

EEPROM-Programmable Hex/Quad

Power-Supply Sequencers/Supervisors with ADC

16 ______________________________________________________________________________________

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.

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