Fairchild Semiconductor FAN8038B Datasheet
FAN8038B(KA3038)
4-Channel Motor Drive IC
www.fairchildsemi.com
Features
• 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 play e r.
44-QFP-1010B
Typical application
• Portable Compact Disk Player (CDP)
• Portable Mini Disk Player (MD)
•Disc-Man
• Other Potable Compact Disk Media
©2002 Fairchild Semiconductor Corporation
Ordering Information
Device Package Operating Temp.
FAN8038B 44-QFP-1010B -35°C ~ +85°C
Rev. 1.0.3
FAN8038B(KA3038)
Pin Assignments
OVP
BATT
RSTOUT
DEDSET
BDSW
ERRO
ERRI
SCP
COSC
34353637383940414243
RST
33
32
31
30
29
CHGSET
DO1(-)
DO1(+)
DO2(-)
DO2(+)
EMP
FIL SGND EMPSET ADPVCC STOP START CLKIN PWM
44
1
2
3
4
5
DVCC
FAN8038B
6
7
8
9
28
27
26
25
PGND
DO3(+)
DO3(-)
DO4(+)
NC
OPIN(-)
10
11
12 13 14 15 16 17 18 19 20 21 22
SVCC1 OPOUT OPIN(+) SVCC2 VREF DI3 DI4 MUTE34
24
DO4(-)
23
BRAKE
DI2
MUTE2
DI1
2
Pin Definitions
Pin Number Pin Name Pin Function Description
1 OVP Battery Power Supply Mode
2 BATT Battery Power Supply
3 RSTOUT RSTOUT Detection Output
4 DEDSET DEDSET Time Setting
5 BDSW Booster Transistor Drive
6 ERRO Error Amp Output
7 ERRI Error Amp Input
8 SCP Short Circuit Protection Setting
9 COSC Triangular Wave Output
10 N.C No Connection
11 OPIN(-) OP-AMP Negative Input
12 SVCC1 Control Circuit Power Supply
13 OPOUT OP-AMP Output
14 OPIN(+) OP-AMP Positive Input
15 SVCC2 Pre-Drive Power Supply
16 VREF Reference Voltage
17 DI3 CH3 Control Signal Input
18 DI4 CH4 Control Signal Input
19 MUTE34 CH3, 4 Mute
20 DI2 CH2 Control Signal Input
21 MUTE2 CH2 Mute
22 DI1 CH1 Control Signal Input
23 BRAKE CH1 Brake
24 DO4(-) CH4 Negative Output
25 DO4(+) CH4 Positive Output
26 DO3(-) CH3 Negative Output
27 DO3(+) CH3 Positive Output
28 PGND Power Unit Power Ground
29 DO2(+) CH2 Positive Output
30 DO2(-) CH2 Negative Output
31 DO1(+) CH1 Positive Output
32 DO1(-) CH1 Negative Output
33 CHGSET Charge Current Setting
34 RST RSTOUT Inverting Output
35 EMP Empty Detection Output
36 DVCC H-Bridge Power Supply
37 PWM PWM Transistor Drive
38 CLKIN External Clock Input
39 START Boost DC/DC Converter Starting
40 STOP Boost DC/DC Converter Off
41 ADPVCC Charging Circuit Power Supply
42 EMPSET Empty Dection Level Converting
43 SGND Signal Ground
44 FIL PWM Phase Compensation
FAN8038B(KA3038)
3
FAN8038B(KA3038)
Internal Block Diagram
FIL SGND EMPSET ADPVCC
44
STOP
START CLKIN
PWM
DVCC
EMP
RST
34353637383940414243
OVP
BATT
RSTOUT
DEDSET
BDSW
ERRO
ERRI
SCP
COSC
NC
OPIN(-)
10
11
1
2
3
4
5
6
7
8
OVER
VOLTAGE
PROTECTION
9
TRIANGLE
NC
WAVE
SIGNAL VCC
STARTER
MAXIMUM
DETECTOIN
MUTE34
MUTE2
×
2
×
2
×
2
×
2
×
2
×
2
×
2
×
2
33
CHGSET
32
DO1(-)
31
DO1(+)
30
DO2(-)
29
DO2(+)
28
PGND
27
DO3(+)
DO3(-)
26
DO4(+)
25
24
DO4(-)
23
BRAKE
BRAKE
12 13 14 15 16 17 18 19 20 21 22
SVCC1 OPOUT OPIN(+) SVCC2
VREF
DI3 DI4
MUTE34
DI2
MUTE2
DI1
4
FAN8038B(KA3038)
Absolute Maximum Ratings (Ta = 25°C)
Parameter Symbol Value Unit
Maximum Supply Voltage V
Maximum Output Current I
Power Dissipation P
Operating Temperature T
Stroage Temperature T
CC
O
D
OPR
STG
13.2 V
500 mA
1.0 W
-35 ~ +85 °C
-55 ~ +150 °C
Recommended Operating Conditions (Ta = 25°C)
Parameter Symbol Min. Typ. Max. Unit
Charging Circuit Power Supply Voltage ADPVCC 3.0 4.5 8.0 V
Power Supply Voltage BATT 1.5 2.4 8.0 V
Control Circuit Power Supply Voltage SVCC 2.7 3.2 5.5 V
PRE-Driver V
CC
Output Voltage VM - PWM BATT V
Operating Temperature Ta -10 25 70 °C
SVCC2 2.7 3.2 5.5 V
5
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