Datasheet

Data Sheet ADM1186
Rev. B | Page 19 of 28
SET FAULT
OUT1: LOW OUT4: LOW
OUT2: LOW SEQ_DONE: LOW
OUT3: LOW F
AU
LT OU
T: LOW
WAIT START
OUT1: LOW OUT4: LOW
OUT2: LOW SEQ_DONE: LOW
OUT3: LOW F
AUL
T OU
T: HIGH
WAIT ALL OK
FAU
L
T OUT
: HIGH
ENABLE OUT1
OUT1: HIGH
DEL
A
Y 1
ENABLE OUT2
OUT2: HIGH
DEL
AY 2
ENABLE OUT3
OUT3: HIGH
DEL
AY 3
ENABLE OUT4
OUT4: HIGH
DISABLE OUT1
OUT1: LOW
DISABLE OUT2
OUT2: LOW
DISABLE OUT3
OUT3: LOW
DISABLE OUT4
OUT4: LOW
DELAY 4
CLEAR FAULT
F
AU
LT HOLD
TIMES OUT
EXIT UVLO
F
F
F
F
F
F
UP: LOW
UP: RISING EDGE
F
F
FAULT IN: LOW
DOWN:
FALLING EDGE
AFTER BLANKING DELA
Y
VIN1: LOW
FAULT IN: LOW
DOWN: F
ALLING EDGE
VIN1: LOW
F
AU
L
T IN: LOW
DOWN:
FALLING EDGE
AFTER DLY_EN_OUT1 TIME DELAY
F
AULT IN: LOW
DOWN: FALLING EDGE
VIN1: LOW
AFTER BLANKING DEL
AY VIN2: LOW
AFTER DLY_EN_OUT2 TIME DEL
AY
AFTER DL
Y_EN_OUT3 TIME DELAY
AFTER BLANKING DELAY VIN1: HIGH
AFTER BLANKING DELA
Y VIN2: HIGH
AFTER BLANKING DELA
Y VIN3: HIGH
FAULT IN: LOW
DOWN: FALLING EDGE
VIN1 OR VIN2: LOW
FAULT IN: LOW
DOWN: FALLING EDGE
VIN1 OR VIN2 OR VIN3: LOW
AFTER BLANKING DELAY VIN4: HIGH
FAUL
T IN: LOW
UP: RISING EDGE
VIN1 OR VIN2 OR VIN3 OR VIN4: LOW
FAU
LT IN: LOW
DOWN: F
ALLING EDGE
VIN1 OR VIN2: LOW
AFTER BLANKING DELA
Y VIN3: LOW
AFTER DL
Y_EN_OUT4 TIME DELAY
FAULT IN: LOW
DOWN: FALLING EDGE
VIN1 OR VIN2 OR VIN3: LOW
AFTER BLANKING DEL
AY VIN4: LOW
POWER-UP DONE
SEQ_DONE: HIGH
F
F
F
F
F
F
F
DOWN: FALLING EDGE
FAU
L
T IN: LOW
AFTER D
LY_EN_OUT4
TIME DELAY
AFTER DLY_EN_OUT3
TIME DELAY
AFTER DL
Y_EN_OUT2
TIME DELAY
AFTER DL
Y_EN_OUT1
TIME DEL
AY
DOWN: FALLING EDGE
FAULT IN: LOW
UP: RISING EDGE
VIN1 OR VIN2 OR VIN3: LOW
FAU
LT IN: LOW
UP: RISING EDGE
VIN1 OR VIN2: LOW
F
AULT IN: LOW
UP: RISING EDGE
VIN1: LOW
FAU
L
T IN: LOW
UP: RISING EDGE
07153-030
FAU
L
T IN: HIGH
Figure 30. ADM1186-1 State Machine Operation