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L6480 Fiches technique(PDF) 1 Page - STMicroelectronics

No de pièce 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.
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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This is information on a product in full production.
December 2012
Doc ID 023278 Rev 3
1/73
73
L6480
cSPIN™: microstepping motor controller
with motion engine and SPI
Datasheet
production data
Features
Operating voltage: 7.5 V - 85 V
Dual full-bridge gate driver for N-channel
MOSFETs
Fully programmable gate driving
Embedded Miller clamp function
Programmable speed profile
Up to 1/128 microstepping
Sensorless stall detection
Integrated voltage regulators
SPI interface
Low quiescent standby currents
Programmable non-dissipative overcurrent
protection
Overtemperature protection
Applications
Bipolar stepper motor
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.
It integrates a dual full-bridge gate driver for N-
channel MOSFET power stages with embedded
non-dissipative overcurrent protection. Thanks to
a unique voltage mode driving mode which
compensates for BEMF, bus voltage and motor
winding variations, the microstepping of a true
1/128-step resolution is achieved. The digital
control core can generate user defined motion
profiles with acceleration, deceleration, speed or
target position easily programmed through a
dedicated register set. All application commands
and data registers, including those used to set
analog values (i.e. current protection trip point,
deadtime, PWM frequency, etc.) are sent through
a standard 5-Mbit/s SPI. A very rich set of
protections (thermal, low bus voltage, overcurrent
and motor stall) make the L6480 “bullet proof”, as
required by the most demanding motor control
applications.
HTSSOP38
Table 1.
Device summary
Order codes
Package
Packaging
L6480H
HTSSOP38
Tube
L6480HTR
HTSSOP38
Tape and reel
www.st.com


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