BTN8962 datasheet(68/94 Pages) INFINEON

部品番号	BTN8962

部品情報	High Current PN Half Bridge

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TON = TPWM ⋅ DC

Equation 29

TPWM is the PWM-period-time (TPWM = 1 / fPWM) and DC corresponds to the duty cycle. This results in:

th HS ,meas = TPWM ⋅ DC + tf HS ,total,min − tr HS ,total,max

Equation 30

If the measurement should be started in the center of the ADC time window th(HS),meas, the sample delay tsample

has to be set to the following:

tsample = tr HS ,total,max +

th HS ,meas

2

Equation 31

If the ADC measurement time window should be placed right in the center of th(HS),meas for a given ADC

conversion time tADC, the sample delay time tsample can be calculated as follows:

tsample = tr HS ,total,max +

th HS ,meas − tADC

2

Equation 32

This measurement scenario is illustrated in Figure 72.

BTN8960 /62 /80 /82

High Current PN Half Bridge

Switching Timing

Application Note

68

Rev. 0.6

2017-02-21

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