23
DGX-620/YPG-625
ADC84S021
(X6905A00)
A/D Converter
1
2
3
4
5
6
7
8
9
10
IN2
IN1
DIN
DOUT
SCLK
IN3
IN4
GND
V
A
CS
IN4
IN3
IN2
IN1
GND
T/H
MUX
7
6
5
4
2
3
10
1
8
9
DOUT
DIN
CS
SCLK
GND
V
A
CONTROL
LOGIC
12-Bit
SUCCESSIVE
APPROXIMATION
ADC
■
IC BLOCK DIAGRAM
SN74LV32APWR
(X5647A00)
Quad 2 Input OR
1
2
3
1A
1Y
4
2A
5
2B
6
2Y
7 GND
1B
14
13
12
Vcc
4A
11
4Y
10
3B
9
3A
8
3Y
4B
NJM4580E(TE2)
(X2331A00)
Dual Operational Amplifier
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
MC34063EBD-TR
(X7371A00)
DC-DC Converter
S Q
R
Q2
Q1
100
Ipk
Oscillator CT
Comparator
+
±
1.25 V
Reference
Regulator
Drive
Collector
Ipk
Sense
VCC
Comparator
Inverting
Input
Switch
Collector
Switch
Emitter
Timing
Capacitor
Gnd
8
7
6
5
4
3
2
1
R5520H001A
(X7414A00)
USB High Side Switch
5
4
1
2
3
OUT
IN
FLG
GND
EN
Pin No.
Pin Name
Function
1 EN Enableb
(Input)
2 GND Ground
3
FLG
Fault Flag (Open-drain Output)
4
IN
Power Supply Input
5 OUT Switch
Output
(Switch of the high side switch)
-OUT2
+OUT2
RIPPLE
FILTER
BIAS
CIRCUIT
STANDBY
SW
POP NOISE
PREVENTION
CIRCUIT
PREDRIVER
PREDRIVER
POWER
POWER
LOAD SHORT
PROTECTOR
OUTPUT PIN TO V
CC
SHORT PROTECTOR
OUTPUT PIN TO V
CC
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
PREDRIVER
PREDRIVER
POWER
POWER
OVER VOLTAGE/
SURGE
THERMAL
SHUT DOWN
LOAD SHORT
PROTECTOR
V
CC
-OUT1
+OUT1
POWER
GND2
+
-
IN
+
-
IN
IN2
POWER
GND1
14
2
1
3
4
6
7
5
8
10
9
11
12
13
IN1
PRE-GND
STBY
ON TIME
POP
PWR-GND2
PWR-GND1
V
CC
DC
LA4625
(XY209A00)
Power Amplifier
SN74AHCT1G08DCKR
(X0158A00)
74V1T08CTR
(X7542A00)
Single 2-Input Positive-AND Gate
1
2
3
A
B
GND
5
4
Vcc
Y
INPUTS
FUNCTION TABLE
OUTPUT
A
B
Y
H
L
L
H
X
L
H
L
X
