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NXP MC33975TEK Multi-switch detection IC
The MC33975 is an advanced multi-switch detection interface IC designed for automotive and industrial applications. It features 8-programmable switch inputs for switch-to-ground or switch-to-battery detection, a 22-to-1 analog multiplexer for sensor and analog input readings, and configurable wetting current settings of up to 32 mA or 4.0 mA. The device supports low quiescent sleep currents, programmable timers, and robust SPI communication with multiple operation modes including normal and sleep, making it ideal for safety, process control, and system monitoring environments.
NXP MC33975TEK Multi-switch detection IC Specifications:
- Supply Voltage: 8.0 to 28 V (fully operational), -14 to 38/40 V input range
- Switch detection current: 32 mA or 4.0 mA (programmable)
- Switch-to-ground inputs: 14 channels, voltage less than 4.0 V considered open
- Switch-to-battery inputs: 8 channels, voltage greater than 4.0 V considered closed
- Analog multiplexer: 22-to-1, buffered output, inputs selectable via register
- Power supply: VPWR input with external reverse battery protection
- Logic level: VDD input for SPI communication, 3.3V/5.0V compatible
- Sleep mode current: Typically 100 pA quiescent in sleep, active currents vary
- Timers: Programmable wake-up and interrupt timers (up to 2.048 s)
- Communication: SPI interface with 24-bit data transfer, max frequency 60 MHz
- Operating temperature: -40°C to 125°C
- Thermal resistance: Junction to ambient 1.2°C/W
- Package: 32-pin SOIC with exposed pad (0.65 pitch)
- ESD tolerance: Human Body Model 2000 V
- Maximum peak reflow temperature: 245°C (Lead-free process)
Buy the Freescale Series 33975 Switch Detection IC: MC33975TEK
Purchase your Freescale Series MC33975TEK online today to secure a high-performance multi-switch detection interface with low sleep currents, programmable inputs, and proven SPI communication. Perfect for automotive, industrial, and process control systems requiring robust switch and sensor monitoring. Benefit from fast delivery and direct access to this versatile IC designed to optimize system reliability and safety. Improve your project's efficiency by ordering online now and enjoy dependable quality with every purchase.
Order your Freescale Series 33975 MC33975TEK today and enhance your automotive or industrial systems with reliable switch detection and sensor interface capabilities.
Frequently Asked Questions
Where can I buy NXP MC33975TEK?
You can click on the BUY or RFQ button to purchase MC33975TEK from an authorized NXP distributor.
How do I troubleshoot issues or seek technical support for part MC33975TEK?
You can download the MC33975TEK datasheet or visit the NXP website for support.
Who is the manufacturer of MC33975TEK?
NXP