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MC33975EK Scheda tecnica (PDF) - Freescale Semiconductor, Inc

MC33975EK Datasheet PDF - Freescale Semiconductor, Inc
Il numero della parte MC33975EK
Scarica  MC33975EK Scarica

Grandezza file   1313.0 Kbytes
Page   34 Pages
Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Spiegazioni elettronici Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MC33975EK Datasheet (PDF)

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MC33975EK Datasheet PDF - Freescale Semiconductor, Inc

Il numero della parte MC33975EK
Scarica  MC33975EK Click to download

Grandezza file   1313.0 Kbytes
Page   34 Pages
Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Spiegazioni elettronici Multiple Switch Detection Interface with Suppressed Wake-up and 32mA Wetting Current

MC33975EK Scheda tecnica (HTML) - Freescale Semiconductor, Inc

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MC33975EK Dettagli del prodotto

The 33975 Multiple Switch Detection Interface with Suppressed Wake-up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI). The device also features a 22-to-1 analog multiplexer for reading inputs as analog.
The 33975 device has two modes of operation, Normal and Sleep. Normal Mode allows programming of the device and supplies switch contacts with pull-up or pull-down current as it monitors the switch change of state. The Sleep Mode provides low quiescent current, which makes the 33975 ideal for automotive and industrial products requiring low sleep state currents.
Improvements are a programmable interrupt timer for Sleep Mode that can be disabled, switch detection currents of 32mA and 4.0mA for switch-to-ground inputs, and an interrupt bit that can be reset.

Features
• Designed to operate from 5.5V ≤ VPWR ≤ 28V
• Switch input voltage: (33975: -14 to 38V) (33975A: -14 to 40V)
• Interfaces to microprocessor using 3.3V/5.0V SPI protocol
• Selectable wake-up on change of state
• 14 switch-to-ground inputs
• 8 programmable inputs (switches to battery or ground)
• Selectable wetting current (32mA or 4.0mA for switch-to-ground
   inputs)
• Sleep State current VPWR 100μA, Vdd 20μA
• Pb-free packaging designated by suffix code EK




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A proposito di Freescale Semiconductor, Inc


Freescale Semiconductor era una società di semiconduttori americani fondata nel 1948.
La società era un fornitore leader di microcontrollori, sensori e altri prodotti a semiconduttore per varie applicazioni nei mercati automobilistici, industriali e di consumo.
I prodotti Freescale erano noti per le loro alte prestazioni, basso consumo di energia e fattore di forma ridotta.
La società è stata acquisita da NXP Semiconductors nel 2015 e i suoi prodotti e tecnologie continuano a essere sviluppati e venduti con il marchio NXP.

*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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