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L6480 Datasheet(PDF) 55 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) 55 Page - STMicroelectronics

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L6480
Programming manual
Doc ID 023278 Rev 3
55/73
The OC_SD bit sets if an overcurrent event causes or not the bridges to turn off; the OCD
flag in the status register is forced low anyway:
The VCCVAL bit sets the internal VCC regulator output voltage.
Table 35.
Programmable VCC regulator output voltage
The UVLOVAL bit sets the UVLO protection thresholds.
The EN_VSCOMP bit sets if the motor supply voltage compensation is enabled or not.
The F_PWM_INT bits set the integer division factor of PWM frequency generation.
Table 34.
Overcurrent event
OC_SD
Overcurrent event
1
Bridges shut down
0
Bridges do not shut down
VCCVAL
VCC voltage
0
7.5 V
115 V
Table 36.
Programmable UVLO thresholds
UVLOVAL
VCCthOn
VCCthOff
ΔVBOOTthOn
ΔVBOOTthOff
0
6.9 V
6.3 V
6 V
5.5 V
1
10.4 V
10 V
9.2 V
8.8 V
Table 37.
Motor supply voltage compensation enable
EN_VSCOMP
Motor supply voltage compensation
0
Disabled
1
Enabled
Table 38.
PWM frequency: integer division factor
F_PWM_INT
[2..0]
Integer division factor
000
1
001
2
010
3
011
4
100
5



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