M
TC64X/TC64XB FAN CONTROL DEMO
BOARD USER’S GUIDE
2003 Microchip Technology Inc.
DS21401C-page 7
Appendix A. Board Layout and Schematic
A.1
INTRODUCTION
This appendix contains general information concerning the layout, schematic and
components for the TC64X/TC64XB Fan Control Demo Board.
A.2
BOARD LAYOUT AND SCHEMATIC
Figure A-1 depicts the layout for the TC64X/TC64XB Fan Control Demo Board.
Figure A-2 shows the schematic for the TC64X/TC64XB Fan Control Module.
FIGURE A-1:
TC64X/TC64XB Fan Control Demo Board Layout
V
DD
C
1
C
7
C
4
C
3
C
8
C
2
Q
1
Q
4
+
V
AS
/V
MIN
SENSOR
GND
FAN (–)
FAULT
+
+
C
5
U1
C
6
R
3
R
1
R
5
R
6
R
8
R
4
R
2
R
7
Q
3
Q
2
LED
6-32
Drill
(4)
Additional pads
in series with
I.C. pins and
board input
connections