M81019FP Powerex Power Semiconductors, M81019FP Datasheet - Page 6

• Manufacturer Part Number: M81019FP
• Description: High Voltage Half-Bridge Driver
• Manufacturer: Powerex Power Semiconductors

6
Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 [phone]
M81019FP
HVIC, High Voltage Half-Bridge Driver
1200 Volts/±1 Ampere
TIMING DIAGRAM
1. Input Interlock Timing Diagram
2. Input/Output Timing Diagram
3. Short Circuit Protection Timing Diagram
When the input signals (H
(H
The M81019FP matches delay between the low side and high side driver allowing minimized dead time control for better speed range and
torque control in motor drive applications.
When overcurrent is detected, C
and F
The output will then respond to any subsequent active input signal.
IN
/L
O
IN
will indicate fault by going low. As soon as FO_RST is driven high, short circuit protection will deactivate and F
) go high simultaneously, H
FO_RST
H
H
L
L
OUT
OUT
OUT
OUT
H
H
H
C
L
L
H
L
FO
L
IN
IN
IN
IN
IN
IN
IN
O
O
50%
t
dHL(LO)
IN
/L
t
dLH(HO)
IN
) are high at the same time, the output (H
IN
will be tripped if L
IN
90%
t
f
t
dLH
signals would be active and cause H
10%
t
10%
r
90%
IN
is high; then the short circuit protection will activate and shut down the outputs
50%
t
dHL(HO)
OUT
t
dLH(LO)
OUT
90%
DEAD-TIME
/L
OUT
to enter into high status.
NO
t
f
t
) will maintain previous status. But if the input signals
dHL
10%
10%
t
r
90%
NOTE 1: Input pulse width should be set to more than
200ns for H IN /L IN input filter circuit.
NOTE 2: If high-high status of input signals H IN /L IN
completes with one input signal in low level and the
other in high level, the output will enter into high-low
status without dead time.
NOTE 3: This diagram does not show delay time
between input and output.
NOTE 1: This diagram does not show delay time
between input and output.
NOTE 2: FO_RST pulse width should be set to more
than 400ns for FO_RST input filter circuit.
O
goes high.
8/05