Ic Block Diagram And Description - Sanyo CDP-4500 Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
IC601 BA5901k(4ch Driver + Power Control)
AMUTE 34
EMP 35
36
HV
CC
PSW 37
CLK 38
START 39
40
OFF
CHGV 41
CC
SEL 42
PREGND 43
PWMFIL 44
Pin No. Name
1 BSEN
2 BATT
3 RESET
4 DEAD
5 SW
6 EO
7 EI
8 SPRT
9 C
10 N.C.
11 OP-
12 VSYS1
13 OPOUT
14 OP+
15 VSYS2
16 Vref
17 IN3
18 IN4
19 MUTE3,4
20 IN2
21 MUTE2
22 IN1
33 32 31 30
BTL
MAXIMUM
DETECTION
CLK
+ -
TSD
1 2 3 4
Description
BATTERY VOLTAGE MONITOR
BATTERY POWER SUPPLY INPUT
RESET DETECTION OUTPUT
DEAD TIME SET
BOOSTING TRANSISTOR DRIVER
ERROR AMP. OUTPUT
ERROR AMP. INPUT
SHORT PROTECT SET
TRIANGLE WAVE OUTPUT
T
-
OPERATION AMP. - INPUT
CONTROL CIRCUIT POWER SUPPLY
OPERATION AMP. OUTPUT
OPERATION AMP. + INPUT
PRE-DRIVER POWER SUPPLY
REFERENCE POWER SUPPLY
DRIVER CH3 INPUT
DRIVER CH4 INPUT
CH3,CH4 MUTE
DRIVER CH2 INPUT
CH2 MUTE
DRIVER CH1 INPUT
29 28 27 26
BTL BTL
TSD
TRIANGLE WAVE
OVER-VOLTAGE
- +
+
-
+ -
++
-
+ -
5 6 7 8
Pin No. Name
23 BRAKE1 CH1 BRAKE
24 OUT4R DRIVER CH4 OUTPUT (-)
25 OUT4F DRIVER CH4 OUTPUT (+)
26 OUT3R DRIVER CH3 OUTPUT (-)
27 OUT3F DRIVER CH3 OUTPUT (+)
28 POWER PART GND
POWGND
29 OUT2F DRIVER CH2 OUTPUT (+)
30 OUT2R DRIVER CH2 OUTPUT (-)
31 OUT1F DRIVER CH1OUTPUT (+)
32 OUT1R DRIVER CH1 OUTPUT (-)
33 RCHG CHARGE CURRENT SET
34 AMUTE RESET INVERSION OUTPUT
35 EMP EMPTY DETECTION
36 HV H BRIDGE POWER SUPPLY
CC
37 PSW PWM TRANSISTOR DRIVER
38 CLK
SERIAL DATA TRANAFER CLOCK INPUT
39 SRART
BOOSTING DC/DC CONVERTER START
40 OFF
BOOSTING DC/DC CONVERTER OFF
41 CHGV
CHARGE CIRCUIT POWER SUPPLY INPUT
CC
42 SEL EMPTY DETECTION LEVEL SWITCH
43 PREGND PRE PART POWER SUPPLY GND
44 PWMFIL PWM PHASE COMPENSATION
- 3 -
25 24 23
BRAKE1
22
IN1
21
MUTE2
BTL
20
IN2
V
-
/
19 MUTE3,4
+
I
V
-
/
18
+
IN4
I
V
-
/
17
+ IN3
I
V
-
/
16
Vref
+
I
15
VSYS2
PRE-DRIVER
POWER SUPPLY
14 OP+
+
OPOUT
13
-
12 VSYS1
9 10 11
Description