www.fairchildsemi.com
FAN8038B(KA3038)
4-Channel Motor Drive IC
Features
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4-CH H-Bridge Driver
Built-in DC/DC Converter Controller Circuit
Built-in Reset Circuit
Built-in Battery Charging Circuit
Built-in Voltage Drop Detector
Built-in Thermal Shutdown Circuit
Built-in General OP-AMP
Low Power Consumption
Built-in Power Controller Circuit
Description
FAN8038B is monolithic IC for portable CD player.
44-QFP-1010B
Typical application
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Portable Compact Disk Player (CDP)
Portable Mini Disk Player (MD)
Disc-Man
Other Potable Compact Disk Media
Ordering Information
Device
Package
Operating Temp.
-35°C ~ +85°C
FAN8038B 44-QFP-1010B
Rev. 1.0.3
©2002 Fairchild Semiconductor Corporation
FAN8038B(KA3038)
Pin Assignments
FIL
SGND EMPSET ADPVCC
STOP
START
CLKIN
PWM
DVCC
EMP
RST
44
43
42
41
40
39
38
37
36
35
34
OVP
BATT
RSTOUT
DEDSET
BDSW
ERRO
ERRI
SCP
COSC
1
2
3
4
5
6
7
8
9
33
32
31
30
CHGSET
DO1(-)
DO1(+)
DO2(-)
DO2(+)
FAN8038B
29
28 PGND
27
26
25
24
23
DO3(+)
DO3(-)
DO4(+)
DO4(-)
BRAKE
NC 10
OPIN(-) 11
12
SVCC1
13
OPOUT
14
OPIN(+)
15
SVCC2
16
VREF
17
DI3
18
DI4
19
MUTE34
20
DI2
21
MUTE2
22
DI1
2
FAN8038B(KA3038)
Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Pin Name
OVP
BATT
RSTOUT
DEDSET
BDSW
ERRO
ERRI
SCP
COSC
N.C
OPIN(-)
SVCC1
OPOUT
OPIN(+)
SVCC2
VREF
DI3
DI4
MUTE34
DI2
MUTE2
DI1
BRAKE
DO4(-)
DO4(+)
DO3(-)
DO3(+)
PGND
DO2(+)
DO2(-)
DO1(+)
DO1(-)
CHGSET
RST
EMP
DVCC
PWM
CLKIN
START
STOP
ADPVCC
EMPSET
SGND
FIL
Battery Power Supply
RSTOUT Detection Output
DEDSET Time Setting
Booster Transistor Drive
Error Amp Output
Error Amp Input
Short Circuit Protection Setting
Triangular Wave Output
No Connection
OP-AMP Negative Input
Control Circuit Power Supply
OP-AMP Output
OP-AMP Positive Input
Pre-Drive Power Supply
Reference Voltage
CH3 Control Signal Input
CH4 Control Signal Input
CH3, 4 Mute
CH2 Control Signal Input
CH2 Mute
CH1 Control Signal Input
CH1 Brake
CH4 Negative Output
CH4 Positive Output
CH3 Negative Output
CH3 Positive Output
Power Unit Power Ground
CH2 Positive Output
CH2 Negative Output
CH1 Positive Output
CH1 Negative Output
Charge Current Setting
RSTOUT Inverting Output
Empty Detection Output
H-Bridge Power Supply
PWM Transistor Drive
External Clock Input
Boost DC/DC Converter Starting
Boost DC/DC Converter Off
Charging Circuit Power Supply
Empty Dection Level Converting
Signal Ground
PWM Phase Compensation
Pin Function Description
Battery Power Supply Mode
3
FAN8038B(KA3038)
Internal Block Diagram
FIL
SGND
EMPSET ADPVCC
STOP
START
CLKIN
PWM
DVCC
EMP
RST
44
43
42
41
40
39
38
37
36
35
34
OVP 1
BATT 2
RSTOUT 3
×
33
32
MAXIMUM
DETECTOIN
CHGSET
DO1(-)
DO1(+)
DO2(-)
DO2(+)
PGND
DO3(+)
DO3(-)
DO4(+)
DO4(-)
BRAKE
STARTER
31
2
DEDSET 4
×
30
2
BDSW
ERRO
5
×
2
29
28
27
26
25
24
BRAKE
6
×
2
ERRI 7
SCP 8
OVER
VOLTAGE
PROTECTION
×
2
×
2
COSC
9
NC
×
2
NC 10
OPIN(-) 11
TRIANGLE
WAVE
SIGNAL VCC
×
2
23
MUTE34
MUTE2
12
SVCC1
13
14
15
SVCC2
16
VREF
17
DI3
18
DI4
19
MUTE34
20
DI2
21
MUTE2
22
DI1
OPOUT OPIN(+)
4
FAN8038B(KA3038)
Absolute Maximum Ratings (Ta = 25°C)
Parameter
Maximum Supply Voltage
Maximum Output Current
Power Dissipation
Operating Temperature
Stroage Temperature
Symbol
V
CC
I
O
P
D
T
OPR
T
STG
Value
13.2
500
1.0
-35 ~ +85
-55 ~ +150
Unit
V
mA
W
°C
°C
Recommended Operating Conditions (Ta = 25°C)
Parameter
Charging Circuit Power Supply Voltage
Power Supply Voltage
Control Circuit Power Supply Voltage
PRE-Driver V
CC
Output Voltage
Operating Temperature
Symbol
ADPVCC
BATT
SVCC
SVCC2
VM
Ta
Min.
3.0
1.5
2.7
2.7
-
-10
Typ.
4.5
2.4
3.2
3.2
PWM
25
Max.
8.0
8.0
5.5
5.5
BATT
70
Unit
V
V
V
V
V
°C
5
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