200mA 2-Terminal Programmable Current Source Features: Programmable 2-Terminal Current Source Maximum Output Current: 200mA Wide Input Voltage Range: 1.2V to 40V Input/Output Capacitors Not Required Resistor Ratio Sets Output Current Initial Set Pin Current Accuracy: 1% Reverse-Voltage Protection Reverse-Current Protection <0.001%/V Line Regulation Typical Current Limit and Thermal Shutdown Protection Available in 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN 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

500kHz High Efficiency 3A Switching Regulator Features: Faster Switching with Increased Efficiency Uses Small Inductors: 4.7µH All Surface Mount Components Low Minimum Supply Voltage: 2.7V Quiescent Current: 4mA Typ Current Limited Power Switch: 3A Regulates Positive or Negative Outputs Shutdown Supply Current: 12µA Typ Easy External Synchronization

High Voltage I2C Current and Voltage Monitor Features: Wide Operating Voltage Range: 7V to 80V 12-Bit Resolution for Both Current and Voltages I2C Interface Additional ADC Input Monitors an External Voltage Continuous Scan and Snapshot Modes Shutdown Mode (LTC4151) Reduces Quiescent Current to 120μA Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2) Available in 10-Lead MSOP, 10-Lead 3mm × 3mm DFN and 16-Lead SO Packages

Synchronous 600mA Step-Up and 400mA Step-Down DC/DC Converters Features: Dual High Efciency DC/DC Converters: Step-Up (VOUT = 1.8V to 5.25V, ISW = 600mA) Step-Down (VOUT = 0.615V to 5.5V, IOUT = 400mA) 1.8V to 5.5V Input Voltage Range Up to 94% Efciency Pin Selectable Burst Mode® Operation 45μA Quiescent Current in Burst Mode Operation 1.2MHz (LTC3523) or 2.4MHz (LTC3523-2) Switching Frequency Independent Power Good Indicator Outputs Integrated Soft-Start Thermal and Overcurrent Protection <3μA Quiescent Current in Shutdown Small 16-Lead 3mm × 3mm × 0.75mm QFN Package

Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager Features: Operates from Inputs as Low as ±30mV Less Than ±1°C Needed Across TEG to Harvest Energy Proprietary Auto-Polarity Architecture Complete Energy Harvesting Power Management System Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V 2.2V, 5mA LDO Logic-Controlled Output Energy Storage Capability for Operation During Power Interruption Power Good Indicator Uses Compact Step-up Transformers Small, 20-lead (4mm × 4mm) QFN Package or 20-Lead SSOP

15A DC/DC Module (Power Module) Regulator Features: Complete 15A Switch Mode Power Supply Wide Input Voltage Range: 4.5V to 20V 0.6V to 5V Output Range ±1.5% Total DC Output Error Differential Remote Sense Amplifier for Precision Regulation Current Mode Control/Fast Transient Response Frequency Synchronization Parallel Current Sharing (Up to 60A) Selectable Pulse-Skipping or Burst Mode® Operation Soft-Start/Voltage Tracking Up to 93% Efficiency (12VIN, 3.3VOUT) Overcurrent Foldback Protection Output Overvoltage Protection Small Surface Mount Footprint, Low Profile 15mm × 15mm × 4.32mm LGA and 15mm × 15mm × 4.92mm BGA Packages

3.1VIN to 32VIN Isolated Module (Power Module) DC/DC Converter Features: Complete Switch Mode Power Supply 725VDC Isolation Wide Input Voltage Range: 3.1V to 32V Up to 440mA Output Current (VOUT = 2.5V) 2.5V to 12V Output Voltage Current Mode Control Programmable Soft-Start User Configurable Undervoltage Lockout SnPb or RoHS Compliant Finish Low Profile (11.25mm × 9mm × 4.92mm) Surface Mount BGA Package

60V Battery Gas Gauge with Temperature, Voltage and Current Measurement Features: Measures Accumulated Battery Charge and Discharge 3.6V to 60V Operating Range for Multiple Cells 14-Bit ADC Measures Voltage, Current and Temperature 1% Voltage, Current and Charge Accuracy ±50mV Sense Voltage Range High Side Sense I2C Interface/SMBus Interface General Purpose Measurements for Any Battery Chemistry and Capacity Configurable Alert Output/Charge Complete Input Quiescent Current Less Than 150μA Small 8-Lead 3mm × 3mm DFN Package