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L6480 Datasheet(PDF) 10 Page - STMicroelectronics

Part # L6480
Description  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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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6480 Datasheet(HTML) 10 Page - STMicroelectronics

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Electrical data
L6480
10/73
Doc ID 023278 Rev 3
2.2
Recommended operating conditions
2.3
Thermal data
Vin
Logic inputs voltage range
-0.3 to 5.5
V
TOP Ts
Storage and operating
junction
-40 to 150
°C
Ptot
Total power dissipation (Tamb
= 25 ºC)
(1)
4W
1.
HTSSOP38 mounted on a four-layer FR4 PCB with a dissipating copper surface of about 30 cm2.
Table 2.
Absolute maximum ratings (continued)
Symbol
Parameter
Test condition
Value
Unit
Table 3.
Recommended operating conditions
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
VDD
Logic interface supply voltage
3.3 V logic outputs
3.3
V
5 V logic outputs
5
VREG
Logic supply voltage
3.3
V
VS
Motor supply voltage
VSREG
85
V
VSREG
Internal VCC voltage regulator
VCC voltage internally
generated
VCC +3
Vs
V
VCC
Gate driver supply voltage
VCC voltage imposed by
external source (VSREG
= VCC)
7.5
15
V
VCCREG
Internal VREG voltage regulator
supply voltage
VREG voltage internally
generated
6.3
VCC
V
VADC
Integrated ADC input voltage
(ADCIN pin)
0VREG
V
Table 4.
Thermal data
Symbol
Parameter
Package
Typ.
Unit
Rthj-a
Thermal resistance junction-to-ambient
HTSSOP38(1)
1.
HTSSOP38 mounted on a four-layer FR4 PCB with a dissipating copper surface of about 30 cm2.
31
°C/W



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