MC33937 Datasheet, PDF (17/48 Pages) Freescale Semiconductor, Inc – Three Phase Field Effect Transistor Pre-driver

ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
P_X_HS
P_X_LS
P_X_HS
P_X_LS
EN1
EN2
RST
FROM DELAY
TIMER
DESATURATION
FAULT
Figure 5. Desaturation Blanking and Filtering Detail
DQ
CLK
STATE
MACHINE
DEADTIME
CONTROL
DQ
CLK
B
MUX
A OUT
DQ
CLK
DQ
CLK
1^ST PULSE
D
CLK
Q
A OUT
MUX
B
DQ
CLK
P_X_HS_G
P_X_HS_S
P_X_LS_G
Figure 6. Deadtime Control Delays
Px _H S
Px_HS _G
50%
tD_ONH
10V
1 .0 V
tONH
Px_LS
50%
10V
Px_LS_G
tD _{_ ON L}
1.0V
tONL
Figure 7. Driver Turn-on Time and Turn-on Delay
Analog Integrated Circuit Device Data
Freescale Semiconductor
33937A
17