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L9904(2002) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
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L9904
(Rev.:2002)
MOTOR BRIDGE CONTROLLER
STMicroelectronics
L9904 Datasheet PDF : 17 Pages
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L9904
Figure 5. Charging time of an external capacitor of 10nF connected to CP pin at V
VS
=8V and
V
VS
=13.5V
voltage [V]
30
25
20
Charging time of a 10nF load at CP
CP for VS=13.5V
CP for VS=8V
15
10
EN
5
0
0
1
2
3
4
time [ms]
Figure 6. Application Circuit Diagram
VBAT
Voltage
Regulator
V
CC
µC
GND
D1
C
S1
VS 10
C
S2
ST 1
-
+
=
VSTH
Reference
BIAS
f ST
VCC
Char ge
pump
VCC Overvoltage
RDG
DG 2
Undervoltage
Thermal shutdown
EN 4
REN
V
S1TH
=
DIR 5
PWM 3
RDIR
VCC
RPWM
PR 6
Timer
C
PR
R
PR
RX 7
TX 8
RRX
VCC
RTX
V S2TH
=
ISO-Interf ace
=
0.5
•
VVS
IKH
RCP
11 CP
13 CB1
12 GH1
14 S1
RS1
19 GL1
RGL1
18 GL2
RGL2
17 S2
RS2
15 GH2
16 CB2
9K
20 GND
R
C
B1
R
R
C
B2
R
C1
M
K-Line
11/17
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