MC33972ATEWR2 vs MC33975EK Comparison
Detailed side-by-side comparison of MC33972ATEWR2 by NXP Semiconductors and MC33975EK by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
MC33972ATEWR2 - 22-Switch Detection Interface w/ Wake-up | NXP
MC33972ATEWR2 ✓ Active
Specification Comparison
| Parameter | MC33972ATEWR2 | MC33975EK |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Supervisors & Reset | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.30 | $4.45 |
| Function | Multiple switch detection interface with suppressed wake-up | Multiple Switch Detection Interface (MSDI) |
| Number of Switch Channels | 22 | — |
| Host Interface | SPI (3.3 V / 5.0 V compatible) | — |
| Supply Voltage Range | 3.1 V to 5.25 V | — |
| Analog Multiplexer | 22-to-1 (per NXP datasheet) | — |
| Package / Case | 32-BSSOP Exposed Pad (SOIC-32 EP) | — |
| Packaging | Tape & Reel (TR) | Tube |
| Mounting Type | Surface Mount | Surface Mount |
| Lead Free Status | Lead Free / RoHS Compliant | — |
| Operating Modes | Normal and Sleep (low Iq) | — |
| Wake-up Output | Interrupt to host MCU on switch event | — |
| ESD Protection | On-chip, on switch inputs (per datasheet) | [DATA_NEEDED: HBM/CDM ratings] |
| Wetting Current | Programmable pull-up or pull-down | 32 mA (peak); 2 mA / 20 mA programmable |
| Switch Threshold | Programmable wet / dry threshold | — |
| Primary Applications | Automotive BCM, industrial PLC inputs, security panels | — |
| MSL Level | [DATA_NEEDED: MSL rating] | — |
| Number of Switch Inputs | — | 22 |
| Interface | — | SPI (Serial Peripheral Interface) |
| Wake-up Feature | — | Suppressed wake-up with programmable timer |
| Supply Voltage | — | [DATA_NEEDED: VBAT operating range] |
| SPI Clock Frequency | — | [DATA_NEEDED: max SCLK frequency] |
| Operating Temperature | — | [DATA_NEEDED: automotive grade temperature range] |
| Package | — | 32-BSSOP exposed pad (0.295 in / 7.50 mm width) |
| Lead Status | — | Lead Free |
| RoHS Status | — | Compliant |
| Wake-up Current | — | [DATA_NEEDED: typical quiescent in sleep] |