UM0324 datasheet(48/105 Pages) STMICROELECTRONICS

поискавой системы для электроныых деталей

UM0324 датащи(PDF) 48 Page - STMicroelectronics

номер детали	UM0324

подробное описание детали	This user manual describes

PDF	105 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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48 / 105 page

Library functions

UM0324

48/105

Figure 29.

DT+TN+TS < Low side Phase A duty cycle < DT+TN+2TS+TH+TDMA and

ΔDutyA-B>DT+TN+TS

Case 3: Phase A pulse width < DT+TN+TS

In this case, the duty cycle applied to Phase A is so short that no current sampling can be

performed in between the two low side commutations.

Then if the difference of duty cycles between Phase B and A is long enough to allow two A/D

conversions to be performed between Phase B low side switch on and Phase A high side

switch off, the strategy shown in Figure 31 is used.

Figure 30.

Low side duty cycle Phase A < DT+TN+TS and

ΔDutyA-B > DT+TN+2TS+TH+TDMA

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