ST EVAL6208Q User Manual
EVAL6208Q
Stepper motor driver mounting the L6208Q
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
Description
Data brief
AM11912v1
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 |
1/9 |
For further information contact your local STMicroelectronics sales office. |
www.st.com |
Board description |
EVAL6208Q |
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1 Board description
Table 1. |
EVAL6208Q electrical specifications |
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Parameter |
Value |
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Supply voltage (VS) |
8 to 52 V |
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Maximum output current (each phase) |
2.5 Ar.m.s. |
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Low level logic input voltage |
0 V |
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High level logic input voltage |
5 V / 3.3 V (1) |
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Maximum VREFA/VREFB input voltage (J2 connector) |
3.3 V (2) |
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Switching frequency |
Up to 100 kHz |
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Operating temperature |
- 25 to +125 °C |
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L6208Q thermal resistance junction-to-ambient |
TBD |
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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 |
2/9 |
Doc ID 023044 Rev 1 |
EVAL6208Q |
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Board description |
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Table 2. |
Control board connector pinout (J2) |
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Pin |
Type |
Function |
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2 |
Ground |
Ground |
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3 |
Logic input |
Active low reset of L6208Q |
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4 |
Logic input |
Direction input (CW/CCW input of L6208Q) |
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5 |
Logic input |
Decay mode selection input (CONTROL input of L6208Q) |
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6 |
Logic input |
Step clock input (CLOCK input of L6208Q) |
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11 |
Analog input |
Reference voltage for phase A current control |
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12 |
Analog input |
Reference voltage for phase B current control |
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13 |
Ground |
Ground |
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14 |
Supply voltage |
3.3 V supply voltage |
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16 |
Logic input |
Device enable input (EN input of L6208Q) |
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23 |
Ground |
Ground |
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24 |
Analog output |
Board identification system ID0 |
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25 |
Analog output |
Board identification system ID1 |
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28 |
Ground |
Ground |
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29 |
Logic output |
Fault output (EN output of L6208Q) |
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30 |
Logic input |
Step mode selection input (HALF/FULL input of L6208Q |
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Others |
Unconnected |
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Doc ID 023044 Rev 1 |
3/9 |
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