AN2527 Freescale Semiconductor / Motorola, AN2527 Datasheet - Page 7

• Manufacturer Part Number: AN2527
• Description: DC Motor with Dead-Time Correction - XOR version TPU Function Set
• Manufacturer: Freescale Semiconductor / Motorola

MOTOROLA DC Motor with Dead-Time Correction – XOR version TPU Function Set (DCmDtXor)
The following equations describe how the PWM signal transition times
SW1_1
SW4_2
Positive current (current = 0)
Y
SW1_1
SW2_1
SW3_1
SW4_1
Tdc
C
A
B
D
X
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T
T
T
T
X
X
Y
2
Y
2
2
, SW1_2
2
are calculated:
T
T
T
T
T
2
2
Tdc
Tdc
center
center
DT
DT
center
center
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dc
T
, SW2_1
_
_
_
_
time
time
time
time
T
, SW2_2
D
A
C
B
T
SW1_2
SW2_2
SW3_2
SW4_2
, SW3_1
Negative current (current = 1)
C
A
B
D
T
T
T
T
X
Y
X
2
2
2
Y
2
T
, SW3_2
center
center
center
center
DT
DT
_
_
_
_
Detailed Function Description
time
time
T
time
time
, SW4_1
B
A
C
D
T
and
AN2527/D
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