High Efficiency Bidirectional Multicell Battery Balancer Features: Bidirectional Synchronous Flyback Balancing of Up to 6 Li-Ion or LiFePO4 Cells in Series Up to 10A Balancing Current (Set by Externals) Integrates Seamlessly with the LTC680x Family of Multicell Battery Stack Monitors Bidirectional Architecture Minimizes Balancing Time and Power Dissipation Up to 92% Charge Transfer Efficiency Stackable Architecture Enables >1000V Systems Uses Simple 2-Winding Transformers 1MHz Daisy-Chainable Serial Interface with 4-Bit CRC Packet Error Checking High Noise Margin Serial Communication Numerous Fault Protection Features 48-Lead Exposed Pad QFN and LQFP Packages AEC-Q100 Qualified for Automotive Applications

>10 W (42 dBm), 2.7 GHz to 3.8 GHz, GaN Power Amplifier Features: High small signal gain: 34.5 dB typical High output power: 42 dBm typical at PIN = 18 dBm High PAE: 55% typical at PIN = 18 dBm Frequency range: 2.7 GHz to 3.8 GHz Supply voltage: VDD = 28 V at a quiescent current of 150 mA 5 mm × 5 mm, 32-lead LFCSP_CAV package

Low Noise Amplifier, 0.4 GHz to 11 GHz Features: Low noise figure: 1.4 dB typical Single positive supply (self biased) High gain: ≤15.5 dB typical High OIP3: ≤33 dBm typical RoHS-compliant, 2 mm × 2 mm, 6-lead LFCSPHMC8412TCPZ-EP Supports defense and aerospace applications (AQEC standard) Download the HMC8412TCPZ-EP data sheet (pdf) Military temperature range (−55°C to +125°C) Controlled manufacturing baseline 1 assembly/test site 1 fabrication site Product change notification Qualification data available on request V62/21602 DSCC Drawing Number

5.6 GHz to 8.6 GHz, GaAs, MMIC, I/Q Downconverter Features: Conversion gain: 13 dB typical Image rejection: 32 dBc typical Input P1dB compression: −6 dBm typical Input IP3: 3 dBm typical, 6.0 GHz to 8.6 GHz Noise figure: 2 dB typical LO to RF isolation: 48 dBm typical LO to IF isolation: 13 dBm typical RF to IF isolation: 10 dBm typical Amplitude balance: 0.2 dB typical Phase balance: −2° typical RF return loss: 10 dB typical LO return loss: 15 dB typical IF return loss: 15 dB typical Exposed paddle, 4 mm × 4 mm, 24-lead, LFCSP

Quad-Channel, Software Configurable Input and Output Features: Quad-channel software configurable input/output circuit Screw terminals tolerant to ±40 V dc Line protectors to block power from the screw terminals to supplies User configurable modes Voltage input Current input Voltage output Current output Digital input RTD measurement Internal 16-bit, Σ- ADC with optional 50 Hz and 60 Hz rejection 13-bit monotonic DACs Charge pump for true zero voltage output HART-compatible Internal temperature sensor, ±5°C accuracy On-chip diagnostics including open circuit and short-circuit detection SPI-compatible Temperature range: −40°C to +105°C 64-lead LFCSP

High Performance, Multiphase Energy, and Power Quality Measurement IC Features: 7 high performance ADCs 101 dB SNR Wide input voltage range: ±1 V, 707 mV rms FS at gain = 1 Differential inputs ±25 ppm/°C maximum channel drift (including ADC, internal VREF, PGA drift) enabling 10000:1 dynamic input range Class 0.2 metrology with standard external components Power quality measurements Enables implementation of IEC 61000-4-30 Class S VRMS ½, IRMS ½ rms voltage refreshed each half cycle 10 cycle rms/12 cycle rms Dip and swell monitors Line frequency—one per phase Zero crossing, zero-crossing timeout Phase angle measurements Supports 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 128 points per line cycle for ease of external harmonic analysis Events, such as dip and swell, can trigger waveform storage Simplifies data collection for IEC 61000-4-7 harmonic analysis Advanced metrology feature set Total and fundamental active power, volt amperes reactive (VAR), volt amperes (VA), watthour, VAR hour, and VA hour Total and fundamental IRMS, VRMS Total harmonic distortion Power factor Supports active energy standards: IEC 62053-21 and IEC 62053-22; EN50470-3; OIML R46; and ANSI C12.20 Supports reactive energy standards: IEC 62053-23, IEC 62053-24 High speed communication port: 20 MHz serial port interface (SPI) Integrated temperature sensor with 12-bit successive approximation register (SAR) ADC ±3°C accuracy from −40°C to +85°C

Energy Metering IC with Autocalibration Features: mSure autocalibration Automatic calibration based on a direct measurement of the full signal path Calibration procedure not requiring a reference meter mSure autocalibration Class 1 meter guaranteed 3 high performance ADCs 88 dB SNR High gain current channel: ±26.04 mV peak, 18.4 mV rms input at highest gain setting Advanced metrology feature set WATT, VAR, VA, Wh, VARh, and VAh Supports active energy standards: IEC 62053-21; IEC 62053-22; EN50470-3; OIML R46; and ANSI C12.20 Supports reactive energy standards: IEC 62053-23 and IEC 62053-24 Current and voltage rms measurement Power quality measurements Operating temperature, industrial range: −40°C to +85°C

9.85 GHz to 20.5 GHz, Wideband, MMIC VCO Features: Wide output frequency range: 9.85 GHz to 20.5 GHz Wide tuning bandwidth Low single sideband phase noise: −83 dBc/Hz at 100 kHz offset No external resonator needed Supply current: 70 mA typical at VCC = 5 V 24-terminal, 3.90 mm × 3.90 mm, ceramic LCC package

UltraFast 7ns Response Time 15GHz RF Power Detector with Comparator Features: Temperature Compensated Schottky RF Peak Detector Wide Input Frequency Range: 600MHz to 15GHz† Wide Input Power Range: –24dBm to 16dBm 7ns Typical Response Time 75MHz Demodulation Bandwidth Programmable Gain Settings for Improved Sensitivity Adjustable Amplifier Output Offset Voltage High Speed Comparator with Latch Enable: 9ns Typical Response Time 16-Lead 3mm × 3mm QFN Package Temperature Range: –40°C to 125°C†Higher frequency operation is achievable with reduced performance. Consult the factory formore information.

20V High Efficiency Nanopower Step-Down Regulator Features: 720nA Input IQ in Regulation (No Load), VIN = 4V 820nA Input IQ in Regulation (No Load), VIN = 20V 400nA Input IQ in UVLO 2.7V to 20V Input Operating Range Up to 50mA of Output Current Pin Selectable Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V (LTC3388-1) 2.8V, 3.0V, 3.3V, 5.0V (LTC3388-3) High Efficiency Hysteretic Synchronous DC/DC Conversion Standby Mode Disables Buck Switching Available in 10-Lead MSE and 3mm × 3mm DFN Packages