42V, 4A Synchronous Step-Down Silent Switcher with 2.5A Quiescent Current Features: Silent Switcher® Architecture Ultralow EMI Emissions High Efficiency at High Frequency Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT Up to 94% Efficiency at 2MHz, 12VIN to 5VOUT Wide Input Voltage Range: 3.4V to 42V Ultralow Quiescent Current Burst Mode® Operation: 2.5μA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P Fast Minimum Switch On-Time: 30ns Low Dropout Under All Conditions: 125mV at 1A Safely Tolerates Inductor Saturation in Overload Adjustable and Synchronizable: 200kHz to 3MHz Peak Current Mode Operation Accurate 1V Enable Pin Threshold Internal Compensation Output Soft-Start and Tracking Small 18-Lead 3mm × 4mm QFN AEC-Q100 Qualified for Automotive Applications

35V/3.2A Lead-Acid Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Lead-Acid Battery Charger with Absorb and Equalize Wide Charging Input Voltage Range: 4.5V to 35V High Efficiency Synchronous Operation 16-Bit Digital Telemetry System Monitors VBAT, IBAT, RBAT, TBAT, TDIE, VIN, IIN, VOUT Charges 6V, 12V, 18V and 24V Lead-Acid Batteries Input Undervoltage Charge Current Limit Loop Input MPPT for Solar Panel Inputs Input Current Limit Prioritizes System Load Output Low Loss PowerPath™ Instant-On Operation with Discharged or Missing Battery Temperature Controlled Charging Pin Compatible with Li-Ion and LiFePO4 Versions

High Efficiency, High Voltage 100mA Synchronous Step-Down Converter Features: Wide Input Voltage Range: Operation from 4.5V to 45V Overvoltage Lockout Provides Protection Up to 60V Internal High Side and Low Side Power Switches No Compensation Required 100mA Output Current Low Dropout Operation: 100% Duty Cycle Low Quiescent Current: 12μA 0.8V ±1% Feedback Voltage Reference Adjustable Peak Current Limit Internal and External Soft-Start Precise RUN Pin Threshold with Adjustable Hysteresis 3.3V, 5V and Adjustable Output Versions Only Three External Components Required for Fixed Output Versions Low Profile (0.75mm) 3mm × 3mm DFN and Thermally-Enhanced MS8E Packages

Dual Output PolyPhase Step-Down DC/DC Controller 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 and Frequency Synchronization (250kHz to 1MHz) ±0.5% Output Voltage Accuracy Over Temperature Integrated 16-Bit ADC Internal EEPROM with ECC and Fault Logging Integrated Powerful N-Channel MOSFET Gate Drivers Power Conversion Wide VIN Range: 4.5V to 24V VOUT Range: 0.5V to 5.4V (4V on VOUT0) Analog Current Mode Control Loop Accurate PolyPhase® Current Sharing for Up to 6 Phases Available in a 40-Pin (6mm × 6mm) QFN Package AEC-Q100 Qualified for Automotive Applications

12 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 2 Features: Measures Up to 12 Battery Cells in Series Stackable Architecture Supports Multiple Battery Chemistries and Supercapacitors Serial Interface Daisy Chains to Adjacent Devices 0.25% Maximum Total Measurement Error Engineered for ISO26262 Compliant Systems 13ms to Measure All Cells in a System Passive Cell Balancing: Integrated Cell Balancing MOSFETs Ability to Drive External Balancing MOSFETs On-board Temperature Sensor and Thermistor Inputs 1MHz Serial Interface with Packet Error Checking Safe with Random Connection of Cells Built-In Self Tests Delta-Sigma Converter With Built-In Noise Filter Open-Wire Connection Fault Detection 12μA Standby Mode Supply Current High EMI Immunity 44-Lead SSOP Package

Dual 9A or Single 18A Module Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 17V Output Voltage Range: 0.5V to 5.5V ±0.5% Maximum DC Output Error Over Temperature ±2.5% Current Readback Accuracy at 9A 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 13A LTM4676A and Dual 18A LTM4677 16mm × 11.9mm × 3.51mm BGA Package Readable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record with ECC Writable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp OV/UV/OT, UVLO, Frequency and Phasing

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

Dual 13A or Single 26A Module (Power Module) Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 26.5V Output Voltage Range: 0.5V to 5.5V ±0.5% Maximum DC Output Error Over Temperature ±2.5% Current Readback Accuracy at 10A Load 400kHz PMBus-Compliant I2C Serial Interface Integrated 16-Bit ΔΣ 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 Pin-Compatible to Dual 18A LTM4677 16mm × 16mm × 5.01mm BGA 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

Dual, Multiphase Current Mode Synchronous Controller for Sub-Milliohm DCR Sensing Features:Sub-Milliohm DCR Current SensingOperates with Power Blocks, DRMOS or External Gate Drivers and MOSFETsSupports Phase Shedding and N+1 Phase RedundancyProgrammable DCR Temperature Compensation±0.75% Maximum Total DC Output Error Over TemperatureDual Differential Remote Output Voltage Sense AmplifiersPhase-Lockable Fixed Frequency Range: 200kHz to 1.2MHzVIN Range: 4.5V to 38VVOUT Range: 0.6V to 3.5VSupports Smooth Start-Up into Pre-Biased OutputsProgrammable Soft-Start or VOUT TrackingHiccup Mode/Soft Recovery from Output Overcurrent36-Lead (5mm × 6mm) QFN Package

Dual 18A or Single 36A Module (Power Module) Regulator with 0.8% DC and 3% Transient Accuracy Features:±0.8% Maximum Total DC Output Error Over Line, Load and Temperature (LTM4630-1A)±3% Transient Output Error with Minimum Output CapacitanceDual 18A or Single 36A Output4.5V to 15V Input, 0.6V to 1.8V Output Voltage RangeDifferential Remote Sense AmplifierCurrent Mode Control/Fast Transient ResponseCurrent Sharing Up to 144A16mm × 16mm × 5.01mm BGA Package