EN55022B Compliant 58V, 4A Step-Down DC/DC Module Regulator Features: Complete Low EMI Switch Mode Power Supply EN55022 Class B Compliant Wide Input Voltage Range: 3.1V to 58V Up to 4A Output Current Output Voltage Range: 0.5V ≤ VOUT ≤ 0.94 • VIN ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (–40°C to 125°C) Parallel and Current Share with Multiple LTM4653s Analog Output Current Indicator Programmable Input Voltage Limiting Constant-Frequency Current Mode Control Power Good Indicator and Programmable Soft-Start Overcurrent/Overvoltage/Overtemperature Protection 15mm × 9mm × 5.01mm BGA Package

1.4MHz, Single Cell DC/DC Converter in 5-Lead SOT-23 Features: Uses Tiny Capacitors and Inductor Internally Compensated Fixed Frequency 1.4MHz Operation Operates with VIN as Low as 1.1V 3V at 30mA from a Single Cell 5V at 200mA from 3.3V Input 15V at 60mA from Four Alkaline Cells High Output Voltage: Up to 34V Low Shutdown Current: <1µA Low VCESAT Switch: 300mV at 300mA 5-Lead SOT-23 Package

25V, 600mA Buck-Boost DC/DC Converter with 1.6A Quiescent Current Features: Regulates VOUT Above, Below or Equal to VIN Wide VIN Range: 2.4V to 25V, <1V to 25V (Using EXTVCC Input) VOUT Range: 1V to 25V Adjustable Output Voltage (LTC3130) Four Selectable Fixed Output Voltages (LTC3130-1) 1.2µA No-Load Input Current in Burst Mode® Operation (VIN = 12V, VOUT = 5V) 600mA Output Current in Buck Mode Pin-Selectable 850mA/450mA Current Limit (LTC3130) Up to 95% Efficiency Pin-Selectable Burst Mode Operation 1.2MHz Ultralow Noise PWM Frequency Accurate RUN Pin Threshold n Power Good Indicator Programmable Maximum Power Point Control IQ = 500nA in Shutdown Thermally-Enhanced 20-Lead 3mm × 4mm QFN and 16-Lead MSOP Packages

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

25A, Dual PolyPhase Regulator with Digital Power System Management Features: PMBus/I2C Compliant Serial Interface Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV/OC Sub-Milliohm DCR Current Sensing Digitally Adjustable Loop Compensation Parameters 0.5% Output Voltage Accuracy Over Temperature Integrated Input Current Sense Amplifier Internal EEPROM with ECC and Fault Logging Integrated N-Channel MOSFET Gate Drivers

High Voltage Buck-Boost Battery ChargeController with Maximum Power PointTracking (MPPT) and I2C Features: VIN Range: 6V to 80V VBAT Range: 1.3V to 80V Single Inductor Allows VIN Above, Below, or Equal to VBAT Automatic MPPT for Solar Powered Charging Automatic Temperature Compensation I2C Telemetry and Configuration Internal EEPROM for Configuration Storage Operation from Solar Panel or DC Supply Four Integrated Feedback Loops Synchronizable Fixed Frequency: 100kHz to 400kHz 64-Lead (7mm × 11mm × 0.75mm) QFN Package

Ultrathin Dual 10A or Single 20A Module Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Output Voltage Range: 0.5V to 3.6V ±0.5% Maximum DC Output Error Over Temperature 10A DC Typical, 12A Peak Output Current, per Channel ±5% Current Readback Accuracy at 10A Load 400kHz PMBus-Compliant I2C Serial Interface Integrated 16-Bit Σ ADC Supports Telemetry Polling Rates Up to 125Hz Constant Frequency Current Mode Control Parallel and Current Share Multiple Modules All 7-Bit Slave Addresses Supported Drop-In Pin-Compatible to Dual 9A LTM4675 and Dual 13A LTM4676A and Dual 18A LTM4677 16mm × 11.9mm × 1.82mm LGA PackageReadable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record with ECCWritable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp OV/UV/OT, UVLO, Frequency and Phasing

60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4.5V to 60V (65V Abs Max) Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 99% • VIN Adjustable Gate Drive Level 5V to 10V (OPTI-DRIVE) No External Bootstrap Diodes Required Low Operating IQ: 29μA (One Channel On) Selectable Gate Drive UVLO Thresholds Out-of-Phase Operation Reduces Required Input Capacitance and Power Supply Induced Noise Phase-Lockable Frequency: 75kHz to 850kHz Selectable Continuous, Pulse Skipping or Low Ripple Burst Mode® Operation at Light Loads Selectable Current Limit (LTC3892/LTC3892-2) Very Low Dropout Operation: 99% Duty Cycle Power Good Output Voltage Monitors (LTC3892/LTC3892-2) Low Shutdown IQ: 3.6μA Small 32-Lead 5mm × 5mm QFN Package (LTC3892/LTC3892-2) or TSSOP Package (LTC3892-1)

Current, Voltage, and Charge Monitor forHigh Voltage Battery Packs Features: Measures Battery Stack Voltage, Current and Power Indicates Accumulated Battery Charge and Energy 20-Bit Current Measurement with <1μV Offset Built-In Isolated isoSPI™ or SPI Interface LTC68xx/ADBMS68xx Compatible, Supports Synchronous Measurements with Cell Monitors Up to 12 Buffered Voltage Measurement Inputs Up to 5 GPIOs, Configurable to Drive Ground, Supply or Toggling at 400kHz High or Low Side Current Sense 0.3% Current and Voltage Accuracy 1% Energy and Charge Accuracy True Average ADCs I2C EEPROM Interface to Store Board Calibration Factors Threshold Registers for all Measured Quantities Engineered for ISO26262 Compliant Systems Open Wire Detection on Input Pins Available in 48-Lead LQFP Package AEC-Q100 Qualified for Automotive Applications

2-Channel PMBus Power System Manager Featuring Programmable Power Good Outputs Features: Sequence, Trim, Margin and Supervise Two Power Supplies Manage Faults, Monitor Telemetry PMBus Compliant Command Set Supported by LTpowerPlay® GUI Margin or Trim Supplies to Within 0.25% of Target Monitor Input Current (±1%) and Accumulate Energy Fast OV/UV Supervisors per Channel Coordinate Sequencing and Fault Management Across Multiple ADI PSM Devices Automatic Fault Logging to Internal EEPROM Operate Autonomously Without Additional Software Configurable Power Good Output Pins Accurate Monitoring of Output Voltage, Output Current, Temperature, and Input Voltage and Current 1.8V to 3.3V I2C/SMBus Serial Interface Connect Directly to Regulator IMON Pins Can Be Powered from 3.3V, or 4.5V to 15V Available in 44-Pin 6mm × 7mm QFN Package LTpowerPlay® Configuration and Development Tool