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NXP MC33972ATEWR2 Switch Detection Interface
The MC33972 is a versatile, low-power switch detection interface designed for automotive, industrial, and control systems. It detects up to 22 switch contacts, providing individual switch status via SPI, with features like analog input reading, programmable wetting current, and sleep modes for power efficiency. Suitable for sensor power supplies, switch monitoring, and MOSFET control, it offers robust operation from 5.5V to 26V, with digital and analog interface capabilities, making it ideal for integrated system designs requiring reliable switch interfacing and low quiescent current in sleep states.
NXP MC33972ATEWR2 Switch Detection Interface Specifications:
- Operating Voltage: 5.5V to 26V
- Switch Input Voltage Range: -14V to 40V
- SPI Protocol Compatibility: 3.3V/5.0V
- Wake-up on Change of State: Yes (Selectable)
- Wetting Current: 16 or 2.0 mA (Programmable)
- Switch Inputs: 8 programmable, 14 switch-to-ground
- Analog Inputs: 22-to-1 multiplexer, Buffered AMUX output
- Active Interrupt: Yes
- Sleep Mode Quiescent Current: approximately 100 pA at Vpwr = 100 pA
- Power Dissipation: up to 17W at 150°C junction
- Temperature Range: -40°C to 125°C (Commercial variants) and -40°C to 125°C (Automotive variants)
- Pin Count: 32-pin SOIC wide body, with exposed pad
- Package Dimensions: 4.7 x 4.7 mm, with 0.65 mm pitch
- ESD Handling: Human Body Model up to 2000V, Machine Model up to 200V
- Thermal Resistance: Junction to Ambient 74°C/W, to Lead 25°C/W
- Max Reflow Temperature: as per JEDEC standards
Buy the Freescale MC33972 U–2013 Reliable Switch Detection Interface for Industrial Applications
Purchase the Freescale MC33972 switch detection interface online today to benefit from its robust detection of up to 22 switch contacts, analog input capability, and ultra-low sleep mode current. Ideal for automotive, industrial, and control applications, this device simplifies interface design by consolidating multiple switch inputs, programmable wetting current, and intelligent power management built into a compact 32-pin SOIC package. Ensure your systems operate reliably and efficiently with this versatile, high-performance IC available for immediate online order.
Order your Freescale MC33972 switch detection interface today and enhance your industrial systems with reliable, low-power, multi-contact monitoring capabilities.
Frequently Asked Questions
Where can I buy NXP MC33972ATEWR2?
You can click on the BUY or RFQ button to purchase MC33972ATEWR2 from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part MC33972ATEWR2?
You can download the MC33972ATEWR2 datasheet or visit the NXP website for support.
Who is the manufacturer of MC33972ATEWR2?
NXP