參數(shù)資料
型號： L6460TR
廠商： STMICROELECTRONICS
元件分類： 運(yùn)動控制電子
英文描述： STEPPER MOTOR CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, TQFP-64
文件頁數(shù)： 49/139頁
文件大小： 3837K
代理商： L6460TR
L6460
Electrical specifications
Doc ID 17713 Rev 1
17/139
3.3
Electrical characteristics
VSWDRV_GATE
Gate drive pin voltage
0
VPump
V
VSWDRV_SNS
Sense pin voltage
VSupply
-3V
VSupply
V
TJ
Junction temperature
Operating
-40
125
°C
1.
For Vsupply lower than 21 V an external resistor between Vsupply and Vsupply Int pins are required.
For Vsupply lower than 15 V external diodes for charge pump are required.
2.
Operating supply current is measured with system regulators operating but not loaded.
3.
Operating VGPIO_SPI current is measured with all circuits supplied by VGPIO_SPI (GPIO’s, operational
amplifiers and pass switches) enabled but not loaded.
4.
The external components connected to the pin must be chosen to avoid that the voltage exceeds this
operative range.
Table 4.
IC operating ratings
Parameter
Description
Test
condition
Min
Max
Unit
Table 5.
Electrical characteristics
Parameter
Description
Test condition
Min
Typ
Max
Unit
VSupplyInt regulator
VS_Int
VSupplyInt output voltage
(1)
18
19.5
21
V
IS_Int
VSupplyInt operative current
(2)
11
mA
Charge pump VPump
VPump
Charge pump voltage
VSupply=32V
VSupply
+ 10.5
VSupply
+12.5
VSupply
+ 14.5
V
FPump
VPump clock frequency
FOSC = 16MHz typ
FOSC/6
4
kHz
V3V3 regulator
V3V3
V3v3 output voltage
VSupply=32V
3.15
3.3
3.45
V
Power on reset
VSupply_POR_valid VSupply voltage for POR valid
InRESET = 1mA
4
V
VSupply_POR_fall VSupply POR falling threshold
VSupply falling
6
8
V
tSupply_POR_filt
VSupply POR filter Time
3
s
V3V3_POR_fall
V3v3 POR falling threshold
V3V3 falling
1.9
2.2
V
V3V3_POR_rise
V3v3 POR rising threshold
V3V3 rising
2.7
V
V3V3_POR_hys
V3v3 POR hysteresis
0.5
V
t3V3_POR_filt
V3v3 POR filter time
1.5
s
nRESET circuit
VnRST_L
nRESET low level output
voltage
I=10mA
0.4
V
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