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L6480 数据表(PDF) 15 Page - STMicroelectronics

部件名 L6480
功能描述  The L6480, realized in analog mixed signal technology, is an advanced fully integrated solution suitable for driving two-phase bipolar stepper motors with microstepping.
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6480 数据表(HTML) 15 Page - STMicroelectronics

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L6480
Electrical characteristics
Doc ID 023278 Rev 3
15/73
ISTBY
Standby mode supply current (VSREG pin)
VCC = VCCREG = 7.5 V
VSREG = 48 V
42
µA
VCC = VCCREG = 7.5 V
VSREG = 18 V
37.5
ISTBY,vreg
Standby mode supply current (VREG pin)
6
µA
tSTBY,min
Minimum standby time
0.5
ms
tlogicwu
Logic power-on and wake-up time
500
µs
tcpwu
Charge pump power-on and wake-up time
Power bridges disabled,
Cp = 10 nF, Cboot = 220
nF, VCC=15 V
1ms
Internal voltage regulators
VCCOUT
Internal VCC voltage regulator output voltage
Low (default), ICC=10 mA
7.3
7.5
V
High, ICC = 10 mA
14
15
VSREG, drop VSREG to VCC dropout voltage
ICC = 50 mA
3
V
PCC
Internal VCC voltage regulator power
dissipation
2.5
W
VREGOUT
Internal VREG voltage regulator output
voltage
IREG= 10 mA
3.135
3.3
V
VCCREG,
drop
VCCREG to VREG dropout voltage
IREG= 50 mA
3
V
IREGOUT
Internal VREG voltage regulator output
current
VREG pin shorted to
ground.
125
mA
IREGOUT,STB
Y
Internal VREG voltage regulator output
standby current
VREG pin shorted to
ground.
55
mA
PREG
Internal VREG voltage regulator power
dissipation
0.5
W
Integrated analog to digital converter
NADC
Analog to digital converter resolution
5
bit
VADC,ref
Analog to digital converter reference voltage
3.3
V
fS
Analog to digital converter sampling
frequency
(2)
fPWM
kHz
VADC,UVLO ADCIN UVLO threshold
1.05
1.16
1.35
V
1.
Guaranteed in the temperature range -25 to 125
°C.
2.
The value accuracy is dependent on oscillator frequency accuracy (Section 6.8).
3.
FLAG and BUSY open drain outputs included.
4.
See Figure 19.
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit



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