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L9942XP1TR Scheda tecnica (PDF) - STMicroelectronics

L9942XP1TR Datasheet PDF - STMicroelectronics
Il numero della parte L9942XP1TR
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Grandezza file   524.6 Kbytes
Page   40 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile

L9942XP1TR Datasheet (PDF)

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L9942XP1TR Datasheet PDF - STMicroelectronics

Il numero della parte L9942XP1TR
Scarica  L9942XP1TR Click to download

Grandezza file   524.6 Kbytes
Page   40 Pages
Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics
Spiegazioni elettronici Integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile

L9942XP1TR Scheda tecnica (HTML) - STMicroelectronics

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L9942XP1TR Dettagli del prodotto

Description

The L9942 is an integrated stepper motor driver for bipolar stepper motors with microstepping and programmable current profile look-up-table to allow a flexible adaptation of the stepper motor characteristics and intended operating conditions.

It is possible to use different current profiles depending on target criteria: audible noise, vibrations, rotation speed or torque.



Features

■ Two full bridges for max. 1.3 A load (RDSON= 500 m)

■ Programmable current waveform with look-up table: 9 entries with 5 bit resolution

■ Current regulation by integrated PWM controller and internal current sensing

■ Programmable stepping mode: full, half, mini and microstepping

■ Programmable slew rate for EMC and power dissipation optimization

■ Programmable Fast-, Slow-, Mixed- and Auto Decay Mode

■ Full-scale current programmable with 3 bit resolution

■ Programmable stall detection

■ Step clock input for reduced µController requirements

■ Very low current consumption in standby mode IS< 3 µA, typ. Tj 85 °C

■ All outputs short circuit protected with openload, overload current, temperature warning and thermal shutdown

■ The PWM signal of the internal PWM controller is available as digital output.

■ All parameters are guaranteed for 3 V < Vcc < 5.3 Vand for 7 V < Vs < 20 V

Applications




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A proposito di STMicroelectronics


STMicroelectronics è un produttore di elettronica e semiconduttori multinazionali con sede a Ginevra, in Svizzera.

La società offre una vasta gamma di prodotti tra cui microcontrollori, sensori, amplificatori di potenza e circuiti integrati per varie applicazioni nei mercati automobilistici, industriali e di consumo.

Fondata nel 1987, STMicroelectronics ha operazioni in oltre 100 paesi ed è una delle più grandi società di semiconduttori al mondo.

*Queste informazioni sono solo a scopo informativo generale, non saremo responsabili per eventuali perdite o danni causati dalle informazioni di cui sopra.




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