AN2530 Freescale Semiconductor / Motorola, AN2530 Datasheet - Page 2

• Manufacturer Part Number: AN2530
• Description: Standard Space Vector Modulation with Dead-Time Correction TPU Function Set
• Manufacturer: Freescale Semiconductor / Motorola

AN2530/D
2
Phase A - top
Phase A - top
Phase A - bottom
Phase A - bottom
Phase B - top
Phase B - top
Phase B - bottom
Phase B - bottom
Phase C - top
Phase C - top
Phase C - bottom
Phase C - bottom
Synchronization signal
Synchronization signal
Resolver reference signal
Resolver reference signal
Fault (input signal)
Fault (input signal)
Standard Space Vector Modulation with Dead-Time Correction TPU Function Set (svmStdDt)
Figure 2. Signals generated by svmStdDt TPU function set
The function set consists of 5 TPU functions:
The svmStdDt_top and svmStdDt_bottom TPU functions work together to
generate a 6-channel 3-phase center-aligned PWM signal with dead-time
between the top and bottom channels. The Synchronization Signal for
svmStdDt function can be used to generate one or more adjustable signals for
a wide range of uses, that are synchronized to the PWM, and track changes in
the PWM period. The Resolver Reference Signal for svmStdDt function can be
used to generate one or more 50% duty-cycle adjustable signals that are also
synchronized to the PWM. The Fault Input for svmStdDt function is a TPU input
function that sets all PWM outputs low when the input signal goes low. See
Figure
•
•
•
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Standard Space Vector Modulation with Dead-Time Correction – Top
(svmStdDt_top)
Standard Space Vector Modulation with Dead-Time Correction – Bottom
(svmStdDt_bottom)
Synchronization signal for Standard Space Vector Modulation with
Dead-Time Correction (svmStdDt_sync)
Resolver Reference Signal for Standard Space Vector Modulation with
Dead-Time Correction (svmStdDt_res)
Fault Input for Standard Space Vector Modulation with Dead-Time
Correction (svmStdDt_fault)
2.
Go to: www.freescale.com
PW M period
PW M period
Change of
Change of
FAU LT !
FAU LT !
INITIALIZATIO N
INITIALIZATIO N
New
New
1.6 m s
1.6 m s
MOTOROLA