Dual Channel 2A, 42V,Synchronous Step-Down Silent Switcher 2with 6.2A Quiescent Current Features: Silent Switcher®2 Architecture: Ultralow EMI on Any PCB Eliminates PCB Layout Sensitivity Internal Bypass Capacitors Reduce Radiated EMI Optional Spread Spectrum Modulation 2A DC from Each Channel Simultaneously Up to 3A on Either Channel Ultralow Quiescent Current Burst Mode® Operation: 6.2μA IQ Regulating 12VIN to 5VOUT1 and 3.3VOUT2 Output Ripple < 10mVP–P Optional External VC Pin: Fast Transient Response Forced Continuous Mode High Efficiency at High Frequency 94.1% Efficiency at 1A, 5VOUT from 12VIN at 2MHz Pin-Selectable Fixed Output Voltages: 5V, 3.3V, 1.8V Fast Minimum Switch-On Time: 30ns Wide Input Voltage Range: 3.0V to 42V Adjustable and Synchronizable: 300kHz to 3MHz Fixed Output Pin Strap Options Internal 2MHz fSW with Fast Internal Compensation Small 4mm × 3mm 20-Pin LQFN Package AEC-Q100 Qualified for Automotive Applications

Single Port PoE/PoE+/LTPoE++ PSE Controller Features: Compliant with IEEE 802.3at Type 1 and 2 Supports LTPoE++® Up to 90W Supports Dual-Signature PDs Fully Autonomous Operation without Microcontroller Very Low Power Dissipation 0.1Ω Sense Resistance Low RDS(ON) External MOSFET Very High Reliability 4-Point PD Detection 2-Point Forced Voltage and Forced Current Robust Short-Circuit Protection Cable Surge Protected ±80V OUT pin Classification Dependent ICUT and ILIM Current Thresholds Supports 2-Pair and 4-Pair Output Power UltraPWR Mode Supports Custom PDs up to 123W Pin-Selectable Detection Backoff Timer for Midspans Pin Programmable Legacy PD Detection Pin Programmable Maximum Power Mode Status LED Pin Available in 20-Pin QFN and 16-Pin SO Packages

High Performance Polyphase Energy Measurement IC Features: 7 high performance analog-to-digital converters (ADCs) 101 dB signal-to-noise ratio (SNR) 10,000:1 dynamic range Wide input range: ±1 V, 0.707 V rms full scale Differential inputs ±25 ppm/°C maximum channel temperature drift (including ADC, internal VREF, and PGA drift) enabling Class 0.2 meters with standard external components Power quality measurements Line frequency: 1 measurement per phase Zero crossing detection, zero-crossing timeout Phase angle measurements Supports current transformers (CTs) and Rogowski coil (di/dt) sensors Multiple range phase/gain compensation for CTs Digital integrator for Rogowski coils Flexible waveform buffer Able to resample waveform to ensure 64 points per line cycle for ease of external harmonic analysis Events can trigger waveform storage Simplifies data collection for IEC 61000-4-7 harmonic analysis Advanced metrology feature set Total active power, volt-amperes reactive (VAR), volt-amperes (VA), watthour, VAR-hour, and VA-hour Fundamental VAR and VAR-hour Current and voltage rms per phase (xIRMS, xVRMS) Supports active energy standards: IEC 62053-21, IEC 62053-22; EN50470-3; OIML R46, ANSI C12.20 Supports reactive energy standards: IEC 62053-23, IEC 62053-4 High speed communication port 10 MHz serial peripheral interface (SPI)

Multichannel ISM Band FSK/GFSK/OOK/GOOK/ASK Transmitter Features: Single-chip, low power UHF transmitter 75 MHz to 1 GHz frequency operation Multichannel operation using fractional-N PLL 2.3 V to 3.6 V operation On-board regulator Programmable output power −16 dBm to +14 dBm, 0.4 dB steps Data rates: dc to 179.2 kbps Low current consumption 868 MHz, 10 dBm, 21 mA 433 MHz, 10 dBm, 17 mA 315 MHz, 0 dBm, 10 mA Programmable low battery voltage indicator 24-lead TSSOP

I2C CMOS 8 10 Unbuffered Analog Switch Array with Dual/Single Supplies Features: I2C-compatible Interface 3.4 MHz High Speed I2C Option 32-lead LFCSP_VQ (5 mm × 5 mm) Double-buffered Input Logic Simultaneous Update of Multiple Switches Up to 300 MHz Bandwidth Fully Specified at Dual ±5 V/single +12 V Operation On Resistance 35 Ω Maximum Low Quiescent Current < 20 μA

User Defined Fault Protection and Detection, 0.8 pC QINJ, 8:1 Multiplexer Features: User defined secondary supplies set overvoltage level Overvoltage protection up to −55 V and +55 V Power-off protection up to −55 V and +55 V Overvoltage detection on source pins Minimum secondary supply level: 4.5 V single-supply Interrupt flags indicate fault status Low charge injection (QINJ): 0.8 pC Low drain/source on capacitance: 19 pF Latch-up immune under any circumstance Known state without digital inputs present VSS to VDD analog signal range ±5 V to ±22 V dual-supply operation 8V to 44 V single-supply operation Fully specified at ±15 V, ±20 V, +12 V, and +36 V 

0.4 CMOS, Dual DPDT Switch in WLCSP/LFCSP/TSSOP Features: 1.8 V to 5.5 V operation Ultralow on resistance 0.4 Ω typical 0.6 Ω maximum at 5 V supply Excellent audio performance, ultralow distortion 0.07 Ω typical 0.14 Ω maximum RON flatness High current carrying capability 400 mA continuous 600 mA peak current at 5 V Automotive temperature range: −40°C to +125°C Rail-to-rail switching operation Typical power consumption (<0.1 μW)

0 Hz/dc to 14 GHz, Single-Pole, Four-Throw MEMS Switch with Integrated Driver Features: Fully operational down to 0 Hz/dc On resistance: 2.9 Ω (maximum) Off leakage: 0.5 nA (maximum) −3 dB bandwidth 11 GHz (typical) for RF1, RF4 14 GHz (typical) for RF2, RF3 RF performance characteristics Insertion loss: 0.26 dB (typical) at 2.5 GHz Isolation: 24 dB (typical) at 2.5 GHz IIP3: 69 dBm (typical) RF power: 36 dBm (maximum) Actuation lifetime: 1 billion cycles (minimum) Hermetically sealed switch contacts On switching time: 75 μs (maximum) Integrated driver removes the need for an external driver Supply voltage: 3.0 V to 3.6 V CMOS-/LVTTL-compatible Parallel and SPI interface Independently controllable switches Switch is in an open state with no power supply present Requirement to avoid floating nodes on all RFx pins (see the Floating Node section in data sheet) 24-lead, 5 mm × 4 mm × 0.95 mm, LFCSP Operating temperature range: 0°C to 85°C

SPI Interface, 1.5 RON, 15 V/+12 V, Quad SPST Switch, Mux Configurable Features: SPI interface with error detection Includes CRC, invalid read/write address, and SCLK count error detection Supports burst mode and daisy-chain mode Industry-standard SPI Mode 0 and Mode 3 interface compatible Guaranteed break-before-make switching allowing external wiring of switches to deliver multiplexer configurations 1.5 typical on resistance at 25°C 0.3 typical on resistance flatness at 25°C 0.1 typical on resistance match between channels at 25°C VSS to VDD analog signal range Fully specified at ±15 V, ±5 V, and +12 V 1.8 V logic compatibility with 2.7 V ≤ VL ≤ 3.3 V 24-lead LFCSP

24 V to 220 V Precision Operational Amplifier Features: Wide range of operating voltages Dual-supply: ±12 V to ±110 V Asymmetrical supply operation: 24 V to 220 V Wide input common-mode voltage range: 3 V from rails High common-mode rejection ratio: 160 dB typical High AOL: 170 dB typical High slew rate 74 V/μs typical 24 V/μs typical with external input clamping diodes Low input bias current: 2 pA maximum Low input offset voltage: 1 mV maximum Low input offset voltage drift: 2 μV/°C maximum Low input voltage noise: 8 nV/√Hz typical at 10 kHz Wide small signal bandwidth: 10 MHz typical Resistor adjustable quiescent current: 0.6 mA to 3 mA (VS = ±110 V) Unity-gain stable Thermal monitoring Small footprint: 12-lead, 7 mm × 7 mm LFCSP compliant with IEC 61010-1 spacing Shutdown mode