L6398

Waveforms definitions

Doc ID 18199 Rev 3

9/16

6

Waveforms definitions

Figure 4.

Dead time and interlocking waveforms definitions

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)