ST EVAL6208Q User Manual
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
EVAL6208Q
Data brief
Description
The EVAL6208Q is a stepper motor driver board
allowing the user to test the L6208Q functions.
The board can be driven using the STEVALPCC009V2 communication board and the
PractiSPIN 2 evaluation software.
AM11912v1
April 2012 Doc ID 023044 Rev 1 1/9
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
Maximum output current (each phase) 2.5 Ar.m.s.
Low level logic input voltage 0 V
High level logic input voltage 5 V / 3.3 V
Maximum VREFA/VREFB input voltage (J2 connector) 3.3 V
Switching frequency Up to 100 kHz
Operating temperature - 25 to +125 °C
L6208Q thermal resistance junction-to-ambient TBD
1. Logic inputs are 3.3 V and 5 V compliant.
2. Equivalent to about 3.1 A peak current.
(1)
(2)
Figure 1. Trimmer and connector locations
Application
reference area
Phase A connector
Phase B connector
Phase B t
regulation
OFF
Phase A t
Power supply connector
(8 V - 52 V )
regulation
OFF
Control board
connector
AM12707v1
2/9 Doc ID 023044 Rev 1
EVAL6208Q Board description
Table 2. Control board connector pinout (J2)
Pin Type Function
2 Ground Ground
3 Logic input Active low reset of L6208Q
4 Logic input Direction input (CW/CCW input of L6208Q)
5 Logic input Decay mode selection input (CONTROL input of L6208Q)
6 Logic input Step clock input (CLOCK input of L6208Q)
11 Analog input Reference voltage for phase A current control
12 Analog input Reference voltage for phase B current control
13 Ground Ground
14 Supply voltage 3.3 V supply voltage
16 Logic input Device enable input (EN input of L6208Q)
23 Ground Ground
24 Analog output Board identification system ID0
25 Analog output Board identification system ID1
28 Ground Ground
29 Logic output Fault output (EN output of L6208Q)
30 Logic input Step mode selection input (HALF/FULL input of L6208Q
Others Unconnected
Doc ID 023044 Rev 1 3/9
Loading...