HIP4086
Timing Diagrams
LOWER
TURN-OFF
LOWER
TURN-ON
XLI
XHI
XLO
XHO
DEAD TIME
DEAD TIME
XLO
XHO
(R
(R
= V
= V
)
)
DEL
SS
SS
DEL
UPPER
TURN-ON
UPPER
TURN-OFF
FIGURE 1.
DISABLE TO LOWER
TURN-ON PROP DELAY
DISABLE TURN-OFF
PROP DELAY (UPPERS)
REFRESH
PULSE WIDTH
DIS OR UV
XHI, XLI
XLO
XHO
DISABLE TO UPPER
ENABLE
FIGURE 2. DISABLE FUNCTION
NOTES:
4. X means any “A”, “B”, or “C” phase.
5. With RDEL resistor tied to V , lowers and uppers cannot be turned on at the same time. Low side logic overrides high side logic unless RDEL
DD
< 100mV.
6