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L6208PD Datasheet(PDF) 6 Page - STMicroelectronics

Part # L6208PD
Description  DMOS driver for bipolar stepper motor
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6208PD Datasheet(HTML) 6 Page - STMicroelectronics

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Pin connections
L6208
6/35
DocID7514 Rev 2
3
Pin connections
Figure 2. Pin connections (top view)
1. The slug is internally connected to pins 1, 18, 19 and 36 (GND pins).
Table 4. Pin description
Package
Name
Type
Function
SO24/
PowerDIP24
PowerSO36
Pin no.
Pin no.
1
10
CLOCK
Logic input
Step clock input. The state machine makes one step on
each rising edge.
2
11
CW/CCW
Logic input
Selects the direction of the rotation. HIGH logic level
sets clockwise direction, whereas LOW logic level sets
counterclockwise direction.
If not used, it has to be connected to GND or +5 V.
312
SENSEA
Power supply
Bridge A source pin. This pin must be connected to
power ground through a sensing power resistor.
413
RCA
RC pin
RC network pin. A parallel RC network connected
between this pin and ground sets the current controller
OFF-time of the bridge A.
515
OUT1A
Power output
Bridge A output 1.
6, 7, 18, 19
1, 18, 19, 36
GND
GND
Ground terminals. In PowerDIP24 and SO24 packages,
these pins are also used for heat dissipation toward the
PCB. On PowerSO36 package the slug is connected to
these pins.
GND
GND
OUT1B
RCB
SENSEB
HALF/FULL
VREFB
1
3
2
4
5
6
7
8
9
CONTROL
VBOOT
EN
OUT2B
VSB
GND
GND
19
18
17
16
15
13
14
D99IN1083
10
11
12
24
23
22
21
20
CLOCK
CW/CCW
SENSEA
RCA
OUT1A
VSA
OUT2A
VCP
RESET
VREFA
GND
N.C.
N.C.
VSA
RCA
OUT1A
N.C.
N.C.
N.C.
N.C.
N.C.
OUT1B
RCB
N.C.
VSB
N.C.
N.C.
GND
18
16
17
15
6
5
4
3
2
21
22
31
32
33
35
34
36
20
1
19
GND
GND
D99IN1084
CLOCK
SENSEA
CW/CCW
SENSEB
HALF/FULL
VREFB
9
8
7
28
29
30
VREFA
CONTROL
10
27
OUT2A
RESET
VCP
EN
OUT2B
VBOOT
14
12
11
23
25
26
N.C.
N.C.
13
24
PowerDIP24/SO24
PowerSO36(1)



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