Datasheet

L6390 Waveforms definition
Doc ID 14493 Rev 7 13/26
6 Waveforms definition
Figure 5. Deadtime and interlocking waveforms definition
LIN
HIN
LVG
HVG
LIN
HIN
LVG
HVG
LIN
HIN
LVG
HVG
LIN
HIN
LVG
HVG
DTLH DTHL
DTLH DTHL
DTLH
DTHL
DTLH
DTHL
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
INTERLOCKING
INTERLOCKING
G
IN
G
IN
CONTROL SIGNAL EDGES
OVERLAPPED:
INTERLOCKING + DEAD TIME
CONTROL SIGNALS EDGES
SYNCHRONOUS (*):
DEAD TIME
CONTROL SIGNALS EDGES
NOT OVERLAPPED,
BUT INSIDE THE DEAD TIME:
DEAD TIME
CONTROL SIGNALS EDGES
NOT OVERLAPPED,
OUTSIDE THE DEAD TIME:
DIRECT DRIVING
(*) HIN and LIN can be connected togheter and driven by just one control signal
INTERLOCKING
INTERLOCKING
G
I
G
IN
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)
gate driver outputs OFF
(HALF-BRIDGE TRI-STATE)