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TMC262-EVAL MANUAL (V. 1.0 / 2011-Sep-07)

4.2.4

Gate jumpers LA1, HA1, J22, J18, etc

Connects the TMC262 gate driver outputs to the MOSFETs

Setting

Function Description

1-2

normal
operation

MOSFET gate controlled by TMC262

2-3

external
load

Gate driver signal available at test load output (C24, C20, etc.)

4.2.5

Bridge center sense jumpers BRA1, BRA2, BRB1, BRB2, J9, 12, J10, J13

Connects the bridge outputs to TMC262 BM pins

Setting

Function Description

1-2

normal

TMC262 sees the bride center points

open

BM open This setting allows testing of the short to GND condition without

shorting the bridge output.

4.2.6

Erase Jumper J28

Erases the CPU

Setting

Function Description

1-2

Erase

Attention:

Erases the processor. Reprogram it via RS232 using the

SAMBA tool.

open

operation

Содержание TMC262-EVAL

Страница 1: ...ion interface both using an external source and using the integrated microcontroller as a step generator Highlights Evaluate all features of the TMC262 Use stallGuard2 with your motor Use coolStep wit...

Страница 2: ...er K15 6 4 1 5 USB K17 and RS232 K16 6 4 2 JUMPERS 6 4 2 1 Clock selection J1 6 4 2 2 VCC_IO J6 6 4 2 3 VSENSE J8 J11 J15 J16 6 4 2 4 Gate jumpers LA1 HA1 J22 J18 etc 7 4 2 5 Bridge center sense jumpe...

Страница 3: ...1 application block diagram as realized on TMC262 EVAL The TMC262 EVAL board features the TMC262 plus a microcontroller which realizes an interface to a PC 3 1 Power driver stage The power MOSFETs on...

Страница 4: ...5 1 2 0 84 220m 1 4 0 9 0 7 0 51 220m 220m 2 7 1 9 1 5 1 0 150m 2 0 1 4 1 1 0 8 150m 150m 4 0 2 8 2 1 1 5 100m 3 0 2 1 1 5 1 1 100m 100m 5 9 4 2 2 9 2 3 50m 50m 6 4 4 5 In a practical application esp...

Страница 5: ...y voltage Provide sufficient current capability for driving the motor 4 1 2 Stepper motor connector K14 or K13 Pin Number Level Description A1 1 VS Motor coil A connection 1 A2 2 VS Motor coil A conne...

Страница 6: ...ed for debugging of CPU software and for programming via JTAG 4 1 5 USB K17 and RS232 K16 PC interface for operation with the demonstration software The USB port is handled as a virtual COM port 4 2 J...

Страница 7: ...vailable at test load output C24 C20 etc 4 2 5 Bridge center sense jumpers BRA1 BRA2 BRB1 BRB2 J9 12 J10 J13 Connects the bridge outputs to TMC262 BM pins Setting Function Description 1 2 normal TMC26...

Страница 8: ...al Range Parameter Symbol Min Max Unit Ambient temperature TA 25 85 C Supply voltage with the original 40V MOSFETs soldered on the board VVS 9 40 V Supply voltage with 60V MOSFETs SI4559ADY VVS 9 60 V...

Страница 9: ...st motor performance with a high value between 16 and 31 If your calculation shows that you need a value below 16 please go to the tab DRVCONF and select VREF 1 36 instead of 1 18 If you cannot reach...

Страница 10: ...ue in the Graph tab Now apply slowly increasing mechanical load to the motor If the motor stalls before the stallGuard value reaches zero go to the SGSCONF tab and decrease the stallGuard threshold va...

Страница 11: ...g increases the chopper frequency 4 Now you can tune the zero crossing behavior In the standard chopper mode you can check behavior for different HSTART settings to improve motor behavior Start with a...

Страница 12: ...e unit of Position is in microsteps velocity in steps second and acceleration in steps s 0 target position normally set via MVP 1 actual position 2 target velocity normally set via ROL ROR MST command...

Страница 13: ...with GAP 180 actual current setting Bits RD9 RD0 of TMC262 read back data with RDSEL 10 182 actual microstep position Bits RD9 RD0 of read back data with RDSEL 00 206 actual load value Bits RD9 RD0 of...

Страница 14: ...Added notes on first hand labeled TMC262 prototypes 0 13 BD Comments on power supply components 0 14 BD New sense resistor value 150m new photo more details in getting started 0 15 BD New software wi...

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