AN1905 ST Microelectronics, Inc., AN1905 Datasheet - Page 66
AN1905
Manufacturer Part Number
AN1905
Description
St7mc Three-phase BLDC Motor Control Software Library
Manufacturer
ST Microelectronics, Inc.
Datasheet
1.AN1905.pdf
(77 pages)
ST7MC THREE-PHASE BLDC MOTOR CONTROL SOFTWARE LIBRARY
The ST7MC allows any kind of PWM configuration. Based on previous examples, one can see
the choice to be made when accelerating any reactive or demagnetization current time. When
using the ST patented method, it must be noted that the PWM signal has to be applied on the
high side switch between D and Z events (Bemf sampling is done during Toff time).
To set the PWM distribution, click on ‘Advanced Settings’, then double-click on the dedicated
configuration bits.
Figure 47. PWM distribution settings
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