Spindle + 4-CH Motor Driver
www.fairchildsemi.com
KA3017
Spindle + 4-CH Motor Driver
Features
• • • • • • • • • • • • Built-in Power Save Circuit ...
Description
www.fairchildsemi.com
KA3017
Spindle + 4-CH Motor Driver
Features
Built-in Power Save Circuit Built-in Current Limit Circuit Built-in Thermal Shutdown Circuit (TSD) Built-in Hall Bias Built-in FG Signal Output Circuit Built-in Rotational Direction Detecting Circuit Built-in Protection Circuit For Reverse Rotation Built-in Short Brake Circuit Built-in Normal OP-AMP Built-in 4-CH Balanced Transformerless (BTL) Driver Built-in BTL MUTE Circuit (CH1-2, CH3 and CH4) Corresponds to 3.3V DSP
Description
The KA3017 is a monolithic integrated circuit suitable for a 4-CH motor driver which drives the tracking actuator, focus actuator, sled motor, loading motor and 3-phase BLDC spindle motor of the MDP/CAR-MD/CAR-NAVIGATION system.
48-QFPH-1414
Target Application
Mini Disk Player Digital Video Disk Player Car Mini Disk Player Car Navigation System
Ordering Information
Device KA3017 Package 48-QFPH-1414 Operating Temp. -35°C ~ +85°C
Rev. 1.0.3
©2002 Fairchild Semiconductor Corporation
KA3017
Pin Assignments
BTLSNGD
MUTE12
MUTE3 38
FIN (GND)
48
47
46
45
44
43
42
41
40
39
37
VH
MUTE4
AVM4
BIAS
H3 +
H2 +
H1 +
H3 −
H2 −
H1 −
1
36
DO4 + DO4 − AVM3
FG ECR
2 3
35
34
EC
4
33
DO3 + DO3 − BTLPGND2 (GND) FIN
VCC2 PC1
5
32 31
6
(GND)
FIN
KA3017
7 30
SIGGND
BTLPGND1
VM CS1
8 9
29 28
DO2 + DO2 − DO1 + DO1 − DI1
SS
10 11
27
DIR SB
26 25
12
13 PWRGND
14 A3
15 A2
16 A1
17 OPIN+
18 OPIN− (GND) FIN
19 OPOU...
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