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L6480 Fiches technique(PDF) 1 Page - STMicroelectronics |
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L6480 Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 73 page 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 |
Numéro de pièce similaire - L6480 |
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Description similaire - L6480 |
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