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MDS-NT1
IC401 BH6519FS-E2
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
GND
VG
IN4R
IN4F
VM4
OUT4F
PGND4
OUT4R
VM34
OUT3R
PGND3
OUT3F
VM3
IN3F
IN3R
PSB
CAPA–
CAPA+
IN2R
IN2F
VM2
OUT2F
PGND2
OUT2R
VM12
OUT1R
PGND1
OUT1F
VM1
IN1F
IN1R
V
DD
CHARGE
PUMP.
OSC
INTERFACE
AMP
INTERFACE
AMP
AMP
INTERFACE
PREDRIVEPREDRIVE
PREDRIVEPREDRIVE
AMP
INTERFACE
AMPAMPAMP
V
DD
PSB
AMP
– MAIN Board –
IC400 MAX1626ESA-TE2
1
2
3
4
+
+
–
REF
ERROR
COMPARATOR
CURRENT-SENSE
COMPARATOR
R1
R3
R2
1.5V
MINIMUM ON-TIME
ONE-SHOT
TRIG
Q
MINIMUM OFF-TIME
ONE-SHOT
TRIG
Q
Q
RS
7
8
+
+
–
–
6
5
OUT
3/5
SHDN
REF
EXT
GND
CS
V+
3 4 5 6
+
–
COM
+
–
COM
8
1
INTERRUPT
SIGNAL
GENERATOR
RESET
SIGNAL
GENERATOR
27
INT
RESET
CD
GND
VCC
NC
NC
NC
R1
R2
R4
R3
IC420 M62016FP-E1