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MIC2027

Quad USB Power Distribution Switch

Micrel 

Micrel, Inc.

MIC2027/2077

Pin Description

Pin Number

1

2

3

4, 12

5

6

7

8

9

10

11

13

14

15

16

Pin Name

FLG

ENA

OUTA

GND

IN(C/D)

OUTC

ENC

FLGC

FLGD

END

OUTD

IN(A/B)

OUTB

ENB

FLGB

Pin Function

Fault Flag A (Output): Active-low, open-drain output. Low indicates overcurrent or thermal

shutdown conditions. Overcurrent conditions must last longer than tD to assert flag.

Switch A Enable (Input): Logic-compatible enable input. Active high (-1) or active low (-2).

Switch A Output

Ground

Input: Channel C and D switch and logic supply input.

Switch C Output

Switch C Enable (Input)

Fault Flag C (Output)

Fault Flag D (Output)

Switch D Enable (Input)

Switch D Output

Supply Input: Channel A and B switch and logic supply input.

Switch B Output

Switch B Enable (Input)

Fault Flag B (Output)

September 2006

3

M9999-091506

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