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L8229 Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce L8229
Description  Dual DMOS full bridge stepper/DC motor driver
PDF  42 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L8229 Fiches technique(HTML) 6 Page - STMicroelectronics

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Block diagram
L8229
6/42
1
Block diagram
Figure 1.
Block Diagram
Note:
The sensing resistors used for the stepping motor configurations must be not inductive.
VS
VS
2 / 7.5
M
U
X
2V
DAC5
VL
VH
VREFDEC
COMPIN1
S
R
Q
+
-
Analog Toff
00
01
10
11
I01
I01
PWM1 PWM1
I11
I11
PWM2 PWM2
I02
STB
STB
SCLK
I12
II2
II2
SDI
PHA1 PHA1 PHA1 OSC
PHA2 PHA2 PHA2 nCS
Serial Port
Digital Prog Toff
Osc Freq Select
Stepper/DC Select
Decay Ctrl
Toff Select
Tfastdec Select
Synch Rect Select
Test Mode
DAC Select
2 / 7.5
M
U
X
2V
DAC5
VL
VH
VREFDEC
COMPIN2
S
R
Q
Analog Toff
Digital Prog`
Toff
Digital Control
Pre
Driver
Pre
Driver
UVLO
Bandgap
Temp Mon
2V
Tshut
UV
Int Osc
4MHz
4MHz
ADDR
Test Mux
COMPIN1
PROG1
PROG2
I01
I11
I02
I12
VREF1
VREF2
RC1
RC2
VS
OUT1A
OUT1B
SENSE1
COMPIN2
OUT2A
OUT2B
SENSE2
GND
GND
VCC
VREFDEC
VS
VS
2 / 7.5
M
U
X
2V
DAC5
VL
VH
VREFDEC
COMPIN1
S
R
Q
+
-
Analog Toff
00
01
10
11
I01
I01
PWM1 PWM1
I11
I11
PWM2 PWM2
I02
STB
STB
SCLK
I12
II2
II2
SDI
PHA1 PHA1 PHA1 OSC
PHA2 PHA2 PHA2 nCS
Serial Port
Digital Prog Toff
Osc Freq Select
Stepper/DC Select
Decay Ctrl
Toff Select
Tfastdec Select
Synch Rect Select
Test Mode
DAC Select
2 / 7.5
M
U
X
2V
DAC5
VL
VH
VREFDEC
COMPIN2
S
R
Q
Analog Toff
Digital Prog`
Toff
Digital Control
Pre
Driver
Pre
Driver
UVLO
Bandgap
Temp Mon
2V
Tshut
UV
Int Osc
4MHz
4MHz
ADDR
Test Mux
COMPIN1
PROG1
PROG2
I01
I11
I02
I12
VREF1
VREF2
RC1
RC2
VS
OUT1A
OUT1B
SENSE1
COMPIN2
OUT2A
OUT2B
SENSE2
GND
GND
VCC
VREFDEC



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