Multichemistry Buck Battery Charger Controller with Digital Telemetry System Features: Multichemistry Li-Ion/Polymer, LiFePO4, or Lead-Acid Battery Charger with Termination High Efficiency Synchronous Buck Battery Charger Digital Telemetry System Monitors VBAT, IBAT, RBAT, NTC Ratio (Battery Temperature), VIN, IIN, VSYSTEM, Die Temperature Coulomb Counter and Integrated 14-Bit ADC Wide Charging Input Voltage Range: 4.5V to 35V Wide Battery Voltage Range: Up to 35V Input Undervoltage Charge Current Limit Loop Maximum Power Point Tracking Optional I2C Serial Port Control Input Current Limit Prioritizes System Load Output Input and Output Ideal Diodes Provide Low Loss PowerPath™ Operation Instant-On Operation with Discharged Battery

USB Power Manager in ThinSOT Features: Manages Total Power Between a USB Peripheral and Battery Charger Minimal Voltage Drop (100mV at 500mA) Ultralow Battery Drain: 1µA Reverse Current Blocking Diode not Required Undervoltage Lockout Very Few External Components Compatible with Several LTC Linear Battery Chargers Overtemperature Protected Dual Battery Charge Priority Management Low Profile (1mm) SOT-23 Package

12 Channel Multicell Battery Monitor with Addressable Interface, Generaion 1 Features: Qualified for Automotive Applications Measures Up to 12 Li-Ion Cells in Series (60V Max) Stackable Architecture Enables Monitoring High Voltage Battery Stacks Individually Addressable with 4-Bit Address 0.25% Maximum Total Measurement Error 13ms to Measure All Cells in a System Cell Balancing: On-Chip Passive Cell Balancing Switches Provision for Off-Chip Passive Balancing Two Thermistor Inputs Plus Onboard Temperature Sensor 1MHz Serial Interface with Packet Error Checking High EMI Immunity Delta-Sigma Converter with Built-In Noise Filter Open-Wire Connection Fault Detection Low Power Modes 44-Lead SSOP Package

12 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 3 Features: Measures Up to 12 Battery Cells in Series Stackable Architecture Supports 100s of Cells Built-In isoSPI™ Interface: 1Mbps Isolated Serial Communications Uses a Single Twisted Pair, Up to 100 Meters Low EMI Susceptibility and Emissions 1.2mV Maximum Total Measurement Error 290μs to Measure All Cells in a SystemSynchronized Voltage and Current Measurement 16-Bit Delta-Sigma ADC with Frequency Programmable 3rd Order Noise Filter Engineered for ISO26262 Compliant Systems Passive Cell Balancing with Programmable Timer 5 General Purpose Digital I/O or Analog Inputs: Temperature or other Sensor Inputs Configurable as an I2C or SPI Master 4μA Sleep Mode Supply Current 48-Lead SSOP Package

12 Channel Multicell Battery Monitor with Daisy Chain Interface, Generation 3 Features: Measures Up to 12 Battery Cells in Series Stackable Architecture Supports 100s of Cells Built-In isoSPI™ Interface: 1Mbps Isolated Serial Communications Uses a Single Twisted Pair, Up to 100 Meters Low EMI Susceptibility and Emissions 1.2mV Maximum Total Measurement Error 290μs to Measure All Cells in a SystemSynchronized Voltage and Current Measurement 16-Bit Delta-Sigma ADC with Frequency Programmable 3rd Order Noise Filter Engineered for ISO26262 Compliant Systems Passive Cell Balancing with Programmable Timer 5 General Purpose Digital I/O or Analog Inputs: Temperature or other Sensor Inputs Configurable as an I2C or SPI Master 4μA Sleep Mode Supply Current 48-Lead SSOP Package

36 Channel Fuel Cell Monitor Features:36 Measurement Channels Monitor up to 144 Fuel Cells in Series Channel Measurement Range: ±5V Cell Stack Voltage Range: –80V to 150V Operates from a Single 5V Supply Stackable Architecture Supports Large Fuel Cell Stacks Built-In isoSPI™ Interface 1MB/s Isolated Serial Communications Uses a Single Twisted Pair, Up to 100 Meters Low EMI Susceptibility and Emissions Bidirectional for Broken Wire Protection 15mV Total Measurement Error 6.75ms to Measure All Cells in a System Delta-Sigma Converter with Built-In Noise Filter Six General Purpose Digital I/O or Analog Inputs Temperature or Other Sensor Inputs 12μA Sleep Mode Supply Current 64-Lead LQFP Package AEC-Q100 Qualified for Automotive Applications

36 Channel Fuel Cell Monitor Features:36 Measurement Channels Monitor up to 144 Fuel Cells in Series Channel Measurement Range: ±5V Cell Stack Voltage Range: –80V to 150V Operates from a Single 5V Supply Stackable Architecture Supports Large Fuel Cell Stacks Built-In isoSPI™ Interface 1MB/s Isolated Serial Communications Uses a Single Twisted Pair, Up to 100 Meters Low EMI Susceptibility and Emissions Bidirectional for Broken Wire Protection 15mV Total Measurement Error 6.75ms to Measure All Cells in a System Delta-Sigma Converter with Built-In Noise Filter Six General Purpose Digital I/O or Analog Inputs Temperature or Other Sensor Inputs 12μA Sleep Mode Supply Current 64-Lead LQFP Package AEC-Q100 Qualified for Automotive Applications

Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT Features: Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Complete Linear Charger in ThinSOT™ Package for Single Cell Lithium-Ion Batteries Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging* Automatic Recharge Charge Status Output Pin C/10 Charge Termination 25µA Supply Current in Shutdown 2.9V Trickle Charge Threshold (LTC4054) Available Without Trickle Charge (LTC4054X) Soft-Start Limits Inrush Current Available in 5-Lead SOT-23 Package

Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT Features: Programmable Charge Current Up to 800mA No MOSFET, Sense Resistor or Blocking Diode Required Complete Linear Charger in ThinSOT™ Package for Single Cell Lithium-Ion Batteries Constant-Current/Constant-Voltage Operation with Thermal Regulation* to Maximize Charge Rate Without Risk of Overheating Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging* Automatic Recharge Charge Status Output Pin C/10 Charge Termination 25µA Supply Current in Shutdown 2.9V Trickle Charge Threshold (LTC4054) Available Without Trickle Charge (LTC4054X) Soft-Start Limits Inrush Current Available in 5-Lead SOT-23 Package

Linear Li-Ion Charger with Termination in ThinSOT Features: Standalone Li-Ion Charger with Termination Programmable Termination Timer No Sense Resistor or Blocking Diode Required Suitable for USB-Powered Charging Undervoltage Charge Current Limiting Preset Charge Voltage with ±0.6% Accuracy Programmable Charge Current: 200mA to 700mA Automatic Recharge with Shortened Charge Cycle Self-Protection for Overcurrent/Overtemperature 40µA Supply Current in Shutdown Mode Negligible Battery Drain Current in Shutdown Low Battery Charge Conditioning (Trickle Charging) CHRG Status Output including AC Present PCB Total Solution Area only 75mm² (700mA) Low Profile (1mm) SOT-23 Package