Sony NSP-1, Руководство по обслуживанию

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5-4
NSP-1
IC
STEP-DOWN CONTROLLER FOR CPU
—TOP VIEW—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
: VID DAC CODE
: FEED BACK
: CURRENT LIMIT
: NEGATIVE FEED BACK OFFSET ADJUST
: OVER VOLTAGE PROTECT
: POSITIVE FEED BACK OFFSET ADJUST
: SUSPEND MODE VOLTAGE SELECT
: SHUT DOWN AND SKIP MODE CONTORL
: SUSPEND MODE
: TIMER SELECT
: BATTERY VOLTAGE DETECT
: PERFORMANCE MODE
: HIGH SIDE GATE DRIVER
: LOW SIDE GATE DRIVER
: REFERENCE VOLTAGE
: POWER GOOD
: BOOST FLYING CONDENSER
: INTEGRATOR CONDENSER CONNECT
: INDUCTOR
: THROUGH RATE CLOCK ADJUST
INPUTS
D0 - D4
FB
ILIM
NEG
OVP
POS
S0, S1
SKP/
SDN
SUS
TON
V +
ZMODE
OUTPUTS
DH
DL
REF
VGATE
INPUTS/OUTPUTS
BST
CC
LX
TIME
PIN
NO.
1
2
3
4
5
6
7
I/O SIGNAL
PIN
NO.
8
9
10
11
12
13
14
PIN
NO.
15
16
17
18
19
20
21
PIN
NO.
22
23
24
25
26
27
28
I/O SIGNAL I/O SIGNAL I/O SIGNAL
V +
SKP/
SDN
TIME
FB
NEG
CC
S0
S1
V
CC
TON
REF
ILIM
POS
VGATE
GND
DL
V
CC
SUS
ZMODE
OVP
D4
D3
D2
D1
D0
BST
LX
DH
I
I
I/O
I
I
I/O
I
I
—
I
O
I
I
O
—
O
—
I
I
I
I
I
I
I
I
I/O
I/O
O
ON-TIME
COMPUTE
+
+
_
+
_
+
_
+
_
+ + _
_
_
+ +
OVP/UVP
DETECT
+
_
S
R
Q
S
R
Q
TON
TRIG Q
1-SHOT
R-2R
D/A CONVERTER
REF
+ 10%
REF
_ 10%
+
_
Q
1-SHOT
TRIG
REF
FROM
D/A
2 V
REF
MUXES AND SLEW CONTROL
FB
REF
BST
DH
LX
DL
FB
REF
11
4
16
27
28
26
OVP
ZMODE
SUS
S0, S1
D4 - D0
TIME
20
3
19 18
21-25
7, 8
ILIM
12
ERROR
AMP
10 K
ZERO CROSSING
CURRENT
LIMIT
V +
TON
SKP/
SDN
CC
NEG
POS
VGATE
13
14
5
6
2
1
10
gm gm
70 K
Ω
TOFF
_ _
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RS-232 LINE DRIVER/RECEIVER
—TOP VIEW—
PIN
NO.
I/O SIGNAL
PIN
NO.
I/O SIGNAL
PIN
NO.
I/O SIGNAL
PIN
NO.
I/O SIGNAL
C2 +
C2 _
V _
RIN1
RIN2
RIN3
RIN4
RIN5
DOUT1
DOUT2
DOUT3
DIN3
DIN2
DIN1
O
O
O
O
O
O
O
ROUT5
ROUT4
ROUT3
ROUT2
ROUT1
ROUT2B
INVALID
I
I
—
—
—
—
—
FORCEOFF
FORCEON
C1 _
GND
V
CC
V +
C1 +
—
—
—
I
I
I
I
I
O
O
O
I
I
I
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
INPUTS
DIN1 - DIN 3
FORCEOFF
FORCEON
RIN1 - RIN5
OUTPUTS
DOUT1 - DOUT3
INVALID
ROUT1 - ROUT5
OTHERS
C1 + , C1 _ ,
C2 + , C2 _
V _
V +
: RS-232 DRIVER
: FORCE OFF
: FORCE ON
: RS-232 RECEIVER
: RS-232 DRIVER
: INVALID
: RS-232 RECEIVER
: EXTERNAL CAPACITOR CONNECTION
: NEGATIVE OUTPUT POWER SUPPLY
: POSITIVE OUTPUT POWER SUPPLY
x
1
1
0
0
0
0
0
1
1
1
1
1
1
POWER OFF
NORMAL OPERATION
(AUTO POWER DOWN DISABLE)
NORMAL OPERATION
(AUTO POWER DOWN ENABLE)
POWER OFF
(BY AUTO POWER DOWN)
x
0
1
0
1
0
1
FORCEON
FORCEOFF
VALID RIN
RS-232 LEVEL
DIN
DRIVER BLOCK
HI-Z
1
0
1
0
HI-Z
HI-Z
x
x
x
YES
YES
NO
NO
DOUT DRIVER STATUS
x
x
0
1
0
1
NC
0
0
1
1
1
1
1
POWER OFF
(ROUT2B ACTIVE)
NORMAL OPERATION
(AUTO POWER DOWN
DISABLE/ENABLE)
0
1
0
0
1
1
NC
RIN1,
RIN3 - RIN5
FORCEOFF
VALID RIN
RS-232 LEVEL
RIN2
RECEIVER BLOCK
0
1
0
0
1
1
0
x
x
YES
YES
YES
YES
NO
ROUT2B RECEIVER STATUS
HI-Z
HI-Z
1
0
1
0
1
ROUT
DIN1
DIN2
DIN3
14
13
12
FORCEOFF
FORCEON
22
23
ROUT1
19
ROUT2
ROUT3
ROUT4
ROUT5
18
17
16
15
AUTO POWER DOWN
RIN1
RIN2
RIN3
RIN4
RIN5
4
5
6
7
8
INVALID
21
DOUT1
DOUT2
DOUT3
9
10
11
ROUT2B
20
0
1
x
HI-Z
NC
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
: HIGH IMPEDANCE
: NO CONNECTION OR CONNECTED TO DRIVER OFF
MAX1718EEI (MAXIM) MAX3243CPWR (TI)