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E-L6258EATR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
List of figures L6258EA
4/32
List of figures
Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4. Power bridge configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5. Current control loop block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6. Output comparator waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7. Ax bode plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 8. Aloop bode plot (uncompensated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 9. Aloop bode plot (compensated) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 10. Electrical model of the load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 11. Typical application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 12. Full step operation mode timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 13. Half step operation mode timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 14. 4 bit microstep operation mode timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 15. PowerSO36 mechanical data & package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
L6258EA Block diagram
5/32
1 Block diagram
Figure 1. Block diagram
DAC
CHARGE
PUMP
V
R
(V
DD
/2)
VCP1
PH_1
I0_1
I1_1
I2_1
VREF1
TRIANGLE
GENERATOR
TRI_CAP
ERROR
AMP
+
-
V
R
+
-
+
-
C
C
POWER
BRIDGE
1
TRI_0
TRI_180
TRI_180
TRI_0
DAC
PH_2
I0_2
I1_2
I2_2
VREF1
ERROR
AMP
+
-
V
R
+
-
+
-
C
C
POWER
BRIDGE
2
TRI_0
TRI_180
THERMAL
PROT.
OUT1A
OUT1B
R
s
SENSE1A
VBOOT
DISABLE
VS
OUT2A
OUT2B
SENSE2A
R
s
VS
EA_IN2 EA_OUT2GND
EA_IN1 EA_OUT1VCP2
V
DD
(5V)
D96IN430D
VR GEN
INPUT
&
SENSE
AMP
C
P
C
FREF
C
BOOT
INPUT
&
SENSE
AMP
I3_1
I3_2
SENSE1B
SENSE2B
R
C1
R
1
1M
R
2
1M
R
C2
C
C2
C
C1
Table 2. Absolute maximum rating
Parameter Description Value Unit
V
s
Supply voltage 45 V
V
DD
Logic supply voltage 7 V
V
ref1
/V
ref2
Reference voltage 2.5 V
I
O
Output current (peak)
(1)
1. This current is intended as not repetitive current for max. 1 second.
2A
I
O
Output current (continuous) 1.5 A
V
in
Logic input voltage range -0.3 to 7 V
V
boot
Bootstrap supply 60 V
V
boot
- V
s
Maximum Vgate applicable 15 V
T
j
Junction temperature 150 °C
T
stg
Storage temperature range -55 to 150 °C
Block diagram L6258EA
6/32
Figure 2. Pin connection (top view)
Table 3. Pin functions
Pin # Name Description
1, 36 PWR_GND
Ground connection (1). They also conduct heat from die to
printed circuit copper.
2, 17 PH_1, PH_2
These TTL compatible logic inputs set the direction of
current flow through the load. A high level causes current to
flow from OUTPUT A to OUTPUT B.
3I
1_1
Logic input of the internal DAC (1). The output voltage of the
DAC is a percentage of the Vref voltage applied according to
the thruth Table 5 on page 12.
4I
0_1
See pin 3
5 OUT1A Bridge output connection (1)
6 DISABLE
Disables the bridges for additional safety during switching.
When not connected the bridges are enabled
7TRI_cap
Triangular wave generation circuit capacitor. The value of
this capacitor defines the output switching frequency
PWR_GND
PH_2
EA_IN2
EA_OUT2
DISABLE
EA_OUT1
OUT1A
EA_IN1
PH_1
SENSE1
OUT1B
I3_1
VS
I2_1
I3_2
OUT2B
SENSE2
PWR_GND
18
16
17
15
6
5
4
3
2
21
22
31
32
33
35
34
36
20
1
19
PWR_GND
PWR_GND
D96IN432F
GND
TRI_CAP
V
DD
I0_1
VREF1
I1_1
9
8
7
28
29
30
VCP1
SIG_GND
10
27
OUT2A
VCP2
VBOOT
VREF2
I2_2
I0_2
14
12
11
23
25
26
VS
I1_2
13 24
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

E-L6258EATR

Mfr. #:
Buy E-L6258EATR
Manufacturer:
STMicroelectronics
Description:
Motor / Motion / Ignition Controllers & Drivers Industrial & ASIC
Lifecycle:
New from this manufacturer.
Delivery:
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