POWERSTEP01 datasheet(60/92 Pages) STMICROELECTRONICS

Part #	POWERSTEP01

Description	System-in-package integrating microstepping controller and 10 A power MOSFETs

PDF	92 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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60 / 92 page

Programming manual

powerSTEP01

60/92

DocID025022 Rev 5

Any attempt to write to the register when the motor is running causes the command to be

ignored and CMD_ERROR to rise (see Section 11.1.28 on page 71).

11.1.20

ADC_OUT

The ADC_OUT register contains the result of the analog to digital conversion of the ADCIN

pin voltage.

Any attempt to write to the register causes the command to be ignored and the CMD_ER-

ROR to rise.

Table 22. Minimum off-time

TOFF MIN [6 … 0]

Time

0.5 µs

1 µs

63.5 µs

64 µs

Table 23. ADC_OUT value and motor supply voltage compensation feature

VADCIN/ VREG

ADC_OUT [4 … 0]

Compensation

coefficient

Greater than VS,nom + 50%

> 24/32

0.65625

VS,nom + 50%

24/32

0.65625

VS,nom

16/32

000

VS,nom – 50%

8/32

1.968875

Lesser than VS,nom – 50%

< 8/32

1.968875

Table 24. ADC_OUT value and torque regulation feature

VADCIN/ VREG

ADC_OUT [4 … 0]

Reference voltage

000

31.25 mV

1/32

62.5 mV

30/32

968.8 mV

31/32

1000 mV

POWERSTEP01 Datasheet(PDF) 60 Page - STMicroelectronics

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