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Part Name
Description
L9904(2002) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L9904
(Rev.:2002)
MOTOR BRIDGE CONTROLLER
STMicroelectronics
L9904 Datasheet PDF : 17 Pages
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L9904
Figure 3. I(V) characteristics of the K-Line for TX = HIGH and VVS=13.5V
IK [mA]
0.2
0.1
0.0
~50k
Ω
-0.1
-0.2
-0.3
~50k
Ω
-0.4
-0.5
-20
-10
0
10
20
VK [V]
Figure 4. Driving sequence
EN
DIR
PWM
GL2
GH2
Note:
Before standby mode
(EN=low) a braking phase
is mandatory to discharge
the stored energy of the
motor.
GL1
GH1
braking
10/17
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