EVAL6730 STMicroelectronics, EVAL6730 Datasheet - Page 23
![EVAL BOARD FOR L6730XX](/photos/9/30/93060/eval6730_sml.jpg)
EVAL6730
Manufacturer Part Number
EVAL6730
Description
EVAL BOARD FOR L6730XX
Manufacturer
STMicroelectronics
Type
Motor / Motion Controllers & Driversr
Datasheets
1.L6730TR.pdf
(52 pages)
2.L6730DTR.pdf
(50 pages)
3.EVAL6730.pdf
(9 pages)
4.EVAL6732.pdf
(43 pages)
Specifications of EVAL6730
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Power - Output
66W
Voltage - Output
3.3V
Current - Output
20A
Voltage - Input
4.5 ~ 14V
Regulator Topology
Buck
Frequency - Switching
400kHz
Board Type
Fully Populated
Utilized Ic / Part
L6730
Input Voltage
8 V to 52 V
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
L6208
Other names
497-5501
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Figure 23. Definition of parameters for the three different sequences. The current in only one phase
Figure 24. Input Data.
Maximum Drain-Source ON Resistance
I
Maximum BEMF Voltage
Maximum diode voltage
Sensing Resistance
Stepping sequence
Quiescent Current
Motor Inductance
Motor Resistance
Step Frequency
Supply Voltage
T
Peak Current
is shown.
Decay Type
r
Off-Time
I
pk
NORMAL
I
load
Application Input Values
T
Device Input Values
Motor Input Values
T
load
I
T
tOFF
r
Ron
fCK
Rm
I
Lm
Ipk
Vd
Vb
Rs
Vs
pk
Iq
SLOW
WAVE
=
=
=
=
=
=
=
=
=
=
=
5.60E-01
1.20E+00
5.50E-03
1.50E+01
7.90E-03
6.60E+00
2.40E+01
1.00E+00
1.50E-05
1.00E+03
5.00E-01
Input Data
T
f
I
load
HALF STEP
I
T
load
t
T
[Ohm]
[Ohm]
[Ohm]
[mA]
[Hz]
[V]
[V]
[H]
[V]
[A]
[s]
-
-
I
T
T
f
r
I
pk
I
Average Value between High-Side and Low-Side
AN1451 APPLICATION NOTE
"FAST" = Quasi-Synchronous Fast decay
WAVE
T/2
I
"SLOW" = Synchronous Slow Decay
load
"NORMAL", "HALF" or "WAVE"
T
load
t
T
f
I
t
23/43