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L8150 Datasheet(PDF) 11 Page - STMicroelectronics

Part # L8150
Description  Brushless motor predriver
PDF  37 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L8150 Datasheet(HTML) 11 Page - STMicroelectronics

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L8150
Electrical characteristcs
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l
Note:
1
If 20mA is a problem for design because of power dissipation etc., it can be reduced to
something like 5mA
2
one input is set at 2.5V by means of a resistor divider. The other input moves from 0V to
Vreg. The Hall comparator must operate correctly for all its input range.
3
Opamp need to be designed to meet with Kval control by VSP.
External circuit for Vsp control (example) is shown in following Figure 4.
The tolerance at Vsp including external resistor (E96) is as follows:
mini
typ
max
V1(V)
0.85
1.23
1.6
V2(V)
1.7
2.1
2.5
V3(V)
4.9
5.4
6.1
4
FR and INTin+ are used to set test mode as follows:
Test mode is set by 8 events (clock rising edges) on FR during INTin+>4.5
(Power is kept as high-impedance for INTin+ > 4.5 until 7th event occur)
(counter for FR is reset by INTin+ < 4.5)
Table 16.
Over Voltage Protection Terminal OV
No.
Item
Symbol
Terminal
Min
Typ
Max
Unit
Remark
1
H level input voltage (operative)
VIH (OV)
OV
-6%
3.0
+6%
V
2
Hysteresis width
VIS (OV)
OV
0.3
0.4
V
Table 17.
Low Voltage Protection
No.
Item
Symbol
Terminal
Min
Typ
Max
Unit
Remark
1
operation voltage
VIL (LV)
LV
10
11
12
V
2
release voltage
VIH (LV)
LV
10.35
11.50
12.65
V
3
hysteresis width
VIS (LV)
LV
0.35
0.50
0.65
V
Table 18.
FAULTS Output Terminal FAULTS
No.
item
symbol
terminal
MIN
TYP
MAX
unit
remark
1
output saturation voltage
VFaultsL
FAULTS
0.50
V
Io=15mA, open drain
2
output leak current
IFaultsleak
FAULTS
10
uA
Vo=17.25V
Table 19.
Rotation Direction Detection Terminal DM
No.
Item
Symbol
Terminal
Min
Typ
Max
Unit
Remark
1
output saturation voltage
VDML
DM
0.50
V
Io=15mA, open drain
2
output leak current
IDMleak
DM
10
uA
Vo=17.25V
Table 20.
KVAL Contro
No.
Item
Symbol
Terminal
Min
Typ
Max
Unit
Remark
1
FS threshold voltage
INTout
-3%
4.5Vreg/5
+3%
V
Note 3
2
KVAL Min voltage
INTout
-3%
3.7Vreg/5
+3%
V
Note 3
3
KVAL max voltage
INTout
-7%
0.7Vreg/5
+7%
V
Note 3
4
FS Hysteresis
INTout
70.0
mV



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