|
|
Número de pieza | FAN8728 | |
Descripción | Spindle + 4-CH Input PWM Motor Drive IC | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de FAN8728 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
No Preview Available ! www.fairchildsemi.com
FAN8728
Spindle + 4-CH Input PWM Motor Drive IC
Features
!
!
"
!
#$
"%
""
&'( $)*+ $, $#
" " ,-,.
Description
/012*1 "
"3
%
#
"
4 + %"
+ "
+ , "
"
%
&
5/!&5/!0/.6/60
"7"
-
48-QFPH-1414
Typical Applications
& "4
7
.
"4
7
& "4
7
0 7"
Ordering Information
Device
FAN8728
Package
48-QFPH-1414
Operating Temp
−5°C ~ 8°C
©2002 Fairchild Semiconductor Corporation
Rev. 1.0.0
1 page Internal Block Diagram
FAN8728
48 47 46 45 44 43
H1+ 1
H1- 2
H2+ 3
H2- 4
H3+ 5
H3- 6
FIN(GND)
FG 7
DIR 8
Absolute Values
Current
Sense Amp
Output
Current Limit
Detection
Logic
Reverse
Rotation
SVCC1 9
VM1
10
Distributor
CS1 11
PGND1
12
Driver
13 14 15 16 17 18
42 41 40 39 38 37
VM4
VM3
VM2
VM2
36 IN4
35 DO4-
34 DO4+
33 DO3-
32 DO3+
31 PGND2
FIN(GND)
30 DO2-
29 DO2+
28 DO1-
27 DO1+
26 OUT1
25 IN1-
19 20 21 22 23 24
5
5 Page Calculation of Gain & Torque Limit Current
FAN8728
EC
ECR
-
Gm
+
VM1
Current / Voltage
Convertor
−
Vin
+
Absolute
Values
Negative
Feedback loop
R1 −
+ Driver
+
+
Vmax
−
VM
Max. output current limiting
VM1
IO
RCS
−
VS
Output
Current sense
+
CS1 (Pin 11)
Power
Transistors
U IO
V
W
Commutation
Distributor
H1 H2 H3
8-,99 "
% &
" !) " %:
6-
Gain 0.355
RCS
.: "
3
34 " "
,98.-
Itl[mA] Vmax 350[mV]
RCS
RCS
Application Information
1. Mute Function
) &
.
;
"
%+
" " %"-
MUTE123,4 ON
Voltage
MUTE123,4 OFFVoltage
2.5[V] above
OPEN or 0.5[V] below
Mute function operation
Normal operation
*
&
"
"
"
%
-
;
"
(0
%
"
3
)<.=+
" "
"
7-
;
"
3
*-9<.=+
"
"
" 3
-
6%
>
"
" 3
)?9°+
" "
" #$
" , "
-
, -
6! " "
## -
11
11 Page |
Páginas | Total 26 Páginas | |
PDF Descargar | [ Datasheet FAN8728.PDF ] |
Número de pieza | Descripción | Fabricantes |
FAN8725 | Spindle Motor and 5-Channel Motor Driver | Fairchild Semiconductor |
FAN8727 | Spindle + 4-CH Motor Drive IC | Fairchild Semiconductor |
FAN8728 | Spindle + 4-CH Input PWM Motor Drive IC | Fairchild Semiconductor |
Número de pieza | Descripción | Fabricantes |
SLA6805M | High Voltage 3 phase Motor Driver IC. |
Sanken |
SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
Analog Devices |
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |