Fairchild Semiconductor KA9259EDTF, KA9259ED Datasheet
KA9259D(KA9259ED)
5-Channel Motor Drive IC
www.fairchildsemi.com
Features
• 1-Phase, Full-Wave, Linear DC Motor Driver
• Built-in TSD (Thermal Shutdown) Circuit
• Built-in 5V Regulator (With An External PNP TR)
• Built-in Mute Circuit
• Built-in Loading Motor Speed Control Circuit
• Wide Operating Supply Voltage Range: 6V~13.2V
Description
The KA9259D is a monolithic integrated circuit, and
suitable for 5-CH motor driver which drives fo cus actuator,
tracking actuator, sled motor, spindle motor and loading
motor of CD system.
28-SSOPH-375
Typical Applications
• Compact D isk Player (C DP)
• Video Compact Disk Player (VCD)
• Automotive Compact Disk Player (CDP)
• Other Compact Disk Media
©2002 Fairchild Semiconductor Corporation
Ordering Information
Device Package Operating Temp.
KA9259ED 28-SSOPH-375 -25°C ~ +75°C
KA9259EDTF 28-SSOPH-375 -25°C ~ +75°C
Rev. 1.0.2
KA9259D(KA9259ED)
Pin Assignments
GND3
DO4.2
1234567 891011121314
DO1.1
DO1.2
FIN
(GND)
DO4.2
DI4.2
DI4.1
VREF
CC2
V
CC1
V
LD CTL
DI3
DO3.2
DO3.1
DO5.2
DO5.1
1516171819202122232425262728
KA9259D
REB
DI1.1
DI1.2
REO
MUTE
FIN
(GND)
GND1
DI2
DI5.1
DO2.1
DO2.2
GND2
DI5.2
2
Pin Definitions
Pin Number Pin Name I/O Pin Function Description
1 DO1.1 O Focus Output 1(-)
2 DO1.2 O Focus Output 2(+)
3 DI1.1 I Focus Input 1
4 DI1.2 I Focus Input 2 (Adjustable)
5 REB O Regulator Base
6 REO O Regulator Output, 5V
7MUTEIMute
8 GND1 - Ground 1
9 DI5.1 I Loading Input 1
10 DI2 I Spindle Input 2
11 DO2.1 O Spindle Output (+)
12 DO2.2 O Spindle Output (-)
13 GND2 - Ground 2
14 DI5.2 I Loading Input 2
15 DO5.1 O Loading Output 1(+)
16 DO5.2 O Loading Output 2(-)
17 DO3.1 O Sled Output (-)
18 DO3.2 O Sled Output (+)
19 DI3 I Sled Input
20 LD CTL I Loading Motor Speed Control
21 V
22 V
CC1
CC2
23 VREF I 2.5V Bias
24 DI4.1 I Tracking Input 1 (Adjustable)
25 DI4.2 I Tracking Input 2
26 DO4.1 O Tracking Output 1(+)
27 DO4.2 O Tracking Output 2(-)
28 GND3 - Ground 3
- Supply Voltage 1
- Supply Voltage 2
KA9259D(KA9259ED)
3
KA9259D(KA9259ED)
Internal Block Diagram
GND3
DO4.2
DO4.1
FIN
(GND)
DI4.2
DI4.1
CC2
VREF
V
22232425262728
CC1
V
LD CTL
DI3
DO3.2
DO3.1
DO5.2
DO5.1
15161718192021
10k
+
+
REB
−
TSD
Regulator
Mute
50k
10k
10k
714
REO
MUTE
50k
FIN
(GND)
+
−
Level
shift
+
−
Level
shift
+
−
12 345 6 8 9 10 11 12 13
DO1.1
DO1.2
10k
−
+
2.5V
10k
10k
DI1.1
−
DI1.2
GND1
10k
+
−
Level
shift
10k
+
−
−
+
10k
Level
shift
−
+
10k
DI2
DI5.1
DO2.1
DO2.2
−
Level
shift
+
COMP
GND2
+
−
DI5.2
4
Equivalent Circuits
Driver Input (Except For Loading Motor Driver) Driver Output
KA9259D(KA9259ED)
50k
50k
2.5V
10k
10
4
2419325
10k
0.58k
20k
V
1162171118122715
REF1
Loading Motor Driver Input Loading Motor Speed Control Input
50k
50k
14
50k
50k 50k
50k
50k
50k
9
50k
50k
50k
50k
Mute Input Bias Input
26
20
50k
7
50k
50k
23
5
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