EVAL6208Q [STMICROELECTRONICS]
Stepper motor driver mounting the L6208Q; 步进电机驱动器安装L6208Q
| 型号： | EVAL6208Q |
| 厂家： | 
ST |
| 描述： | Stepper motor driver mounting the L6208Q |
| 文件： | 总9页 (文件大小：2054K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
EVAL6208Q
Stepper motor driver mounting the L6208Q
Data brief
Features
■ Voltage range from 8 V to 52 V
■ Phase current up to 2.5 Ar.m.s.
■ Adjustable PWM current control OFF-time
■ Logic inputs 5 V / 3.3 V compliant
■ Small application footprint with high thermal
performance
■ Suitable for use in combination with
PractiSPIN™ 2 software
AM11912v1
Description
The EVAL6208Q is a stepper motor driver board
allowing the user to test the L6208Q functions.
The board can be driven using the STEVAL-
PCC009V2 communication board and the
PractiSPIN 2 evaluation software.
April 2012
Doc ID 023044 Rev 1
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For further information contact your local STMicroelectronics sales office.
www.st.com
9
Board description
EVAL6208Q
1
Board description
Table 1.
EVAL6208Q electrical specifications
Parameter
Value
Supply voltage (VS)
8 to 52 V
2.5 Ar.m.s.
0 V
Maximum output current (each phase)
Low level logic input voltage
High level logic input voltage
5 V / 3.3 V (1)
3.3 V (2)
Maximum VREFA/VREFB input voltage (J2 connector)
Switching frequency
Up to 100 kHz
- 25 to +125 °C
TBD
Operating temperature
L6208Q thermal resistance junction-to-ambient
1. Logic inputs are 3.3 V and 5 V compliant.
2. Equivalent to about 3.1 A peak current.
Figure 1.
Trimmer and connector locations
Power supply connector
(8 V - 52 V)
Application
reference area
Phase A connector
Phase B connector
Control board
connector
Phase B tOFF regulation
Phase A tOFF regulation
AM12707v1
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Board description
Table 2.
Pin
Control board connector pinout (J2)
Type
Function
2
3
Ground
Logic input
Logic input
Logic input
Logic input
Analog input
Analog input
Ground
Ground
Active low reset of L6208Q
4
Direction input (CW/CCW input of L6208Q)
Decay mode selection input (CONTROL input of L6208Q)
Step clock input (CLOCK input of L6208Q)
Reference voltage for phase A current control
Reference voltage for phase B current control
Ground
5
6
11
12
13
14
16
23
24
25
28
29
30
Others
Supply voltage
Logic input
Ground
3.3 V supply voltage
Device enable input (EN input of L6208Q)
Ground
Analog output
Analog output
Ground
Board identification system ID0
Board identification system ID1
Ground
Logic output
Logic input
Unconnected
Fault output (EN output of L6208Q)
Step mode selection input (HALF/FULL input of L6208Q
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Board description
Figure 2.
EVAL6208Q
EVAL6208Q - Schematic
1
3
3
1
1
1
1
AM11913v1
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EVAL6208Q
Board description
Package
Table 3.
EVAL6208Q - bill of material
Index Quantity
Reference
Value
1
2
1
1
1
2
2
1
1
2
2
1
3
C1
C2
220 nF /16 V
100 µF / 63 V
CAPC-0603
CAPES-R10H10
CAPE-R8H12-P35
CAPC-0603
3
C2A
100 µF / 63 V (OPTION)
100 nF / 4 V
4
C3,C5
C4,C6
C7
5
100 nF / 100 V
10 nF / 100 V
CAPC-0805
6
CAPC-0805
7
C8
5.6 nF / 6V3
CAPC-0603
8
C9,C10
C11,C12
D1
68 nF / 6V3
CAPC-0603
9
820 pF / 6V3
CAPC-0603
10
11
BAV99
SOT23
J1,J3,J4
Screw connector 2 poles
MORSV-508-2P
Pol. IDC male header
vertical 30 poles
12
1
J2
CON-FLAT-15X2-180M
13
14
15
16
17
18
19
20
21
22
23
24
1
1
1
1
1
1
2
1
2
2
4
2
R1
NM
10 kΩ / 1%
0
RESC-0603
RESC-0603
R2
R3
R4
RESC-0603
20 kΩ /1%
100 Ω
RESC-0603
R5
RESC-0603
R6
100 kΩ
4.3 Ω
RESC-0603
R7,R10
R8
RESC-0603
10 kΩ
RESC-0603
R9,R11
R12,R13
R14,R15,R16,R17
R18,R19
1 kΩ
RESC-0603
200 kΩ
0.4 Ω / 1 Ω
12 kΩ
TRIMM-100x50x110-64W
RESC-2512
RESC-0603
R20,R21,R22,R23,R2
4
25
26
27
28
5
1
2
1
56 kΩ
RESC-0603
TH
TP1
TP2,TP3
U1
TPTH-RING-1MM RED
TPTH-RING-1MM
BLACK
TH
L6208Q
QFN7x7_48
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Board description
Figure 3.
EVAL6208Q
EVAL6208Q - layout (silk screen)
AM11914v1
Figure 4.
EVAL6208Q - layout (top layer)
AM11915v1
Figure 5.
EVAL6208Q - layout (inner layer 2)
AM12696v1
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Board description
Figure 6.
EVAL6208Q - layout (inner layer 3)
AM12697v1
Figure 7.
EVAL6208Q - layout (bottom layer)
AM12698v1
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Revision history
EVAL6208Q
2
Revision history
Table 4.
Date
03-Apr-2012
Document revision history
Revision
Changes
1
Initial release.
8/9
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EVAL6208Q
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