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

gate driver outputs OFF

(HALF-BRIDGE TRI-STATE)

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

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)