EVAL6472PD STMicroelectronics, EVAL6472PD Datasheet - Page 34
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EVAL6472PD
Manufacturer Part Number
EVAL6472PD
Description
Power Management IC Development Tools L6472PD 7.0A w/SPI dSPIN 8 to 45V EVAL
Manufacturer
STMicroelectronics
Type
Motor / Motion Controllers & Driversr
Datasheet
1.L6472PD.pdf
(68 pages)
Specifications of EVAL6472PD
Product Category
Power Management IC Development Tools
Rohs
yes
Product
Evaluation Boards
Tool Is For Evaluation Of
L6472PD
Input Voltage
8 V to 45 V
Output Voltage
8 V to 45 V
Interface Type
SPI
Output Current
7 A
For Use With
L6472
Available stocks
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Manufacturer
Quantity
Price
Phase current control
34/68
As shown in
reference value improving dramatically the accuracy of the current control system: in fact the
average value of a triangular wave is exactly equal to the middle point of each of its
segments and at steady-state the predictive current control tends to equalize the duration of
the t
Furthermore, the t
(microstep change) in order to keep the PWM frequency as near as possible to the
programmed one (TSW parameter in the CONFIG register).
The device can be forced to work using a classic peak current control setting the PRED_EN
bit in the CONFIG register low (default condition). In this case, after the sense phase
(t
Figure 16. Non-predictive current control
SENSE
SENSE
) the power stage is set in the OFF state, as shown in
and the t
Figure
OFF
15, the system is able to center the triangular wave on the desired
PRED
value is recalculated each time a new current value is requested
time.
Doc ID 022729 Rev 2
Figure
16.
L6472