TMC5031 DATASHEET (Rev. 1.07 / 2013-APR-30)
9
Pin
O2A1
BR2A
O2A2
VS
GNDP
O2B1
BR2B
O2B2
O1B2
BR1B
O1B1
VS
GNDP
O1A2
BR1A
O1A1
Number
14
15
16
17, 19
18
20
21
22
39
40
41
42, 44
43
45
46
47
Type
O (VS)
O (VS)
GND
O (VS)
O (VS)
O (VS)
O (VS)
GND
O (VS)
O (VS)
Function
Motor 2 A1 output (stepper motor coil A)
Motor 2 bridge A negative power supply and current sense input.
Provide external sense resistor to GND.
Motor 2 A2 output (stepper motor coil A)
Driver 2 positive power supply. Connect to VS and provide sufficient
filtering capacity for chopper current ripple.
Power GND for driver 2. Connect to GND.
Motor 2 B1 output (stepper motor coil B)
Motor 2 bridge B negative power supply and current sense input.
Provide external sense resistor to GND.
Motor 2 B2 output (stepper motor coil B)
Motor 1 B2 output (stepper motor coil B)
Motor 1 bridge B negative power supply and current sense input.
Provide external sense resistor to GND.
Motor 1 B1 output (stepper motor coil B)
Driver 1 positive power supply. Connect to VS and provide sufficient
filtering capacity for chopper current ripple.
Power GND for driver 1. Connect to GND.
Motor 1 A2 output (stepper motor coil A)
Motor 1 bridge A negative power supply and current sense input.
Provide external sense resistor to GND.
Motor 1 A1 output (stepper motor coil A)
Table 2.4 Power driver pins
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