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

High Efficiency Standalone Nickel Battery Charger Features: Complete NiMH/NiCd Charger for 1 to 16 Cells No Microcontroller or Firmware Required 550kHz Synchronous PWM Current Source Controller No Audible Noise with Ceramic Capacitors PowerPath™ Control Support Programmable Charge Current: 5% Accuracy Wide Input Voltage Range: 4.5V to 34V Automatic Trickle Precharge –ΔV Fast Charge Termination Optional ΔT/Δt Fast Charge Termination Automatic NiMH Top-Off Charge Programmable Timer Automatic Recharge Multiple Status Outputs Micropower Shutdown 20-Lead Thermally Enhanced TSSOP Package

High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Features: General Purpose Battery Charger Controller Efficient 550kHz Synchronous Buck PWM Topology ±0.5% Output Float Voltage Accuracy Programmable Charge Current: 4% Accuracy Programmable AC Adapter Current Limit: 3% Accuracy No Audible Noise with Ceramic Capacitors INFET Low Loss Ideal Diode PowerPath™ Control Wide Input Voltage Range: 6V to 28V Wide Output Voltage Range: 2V to 28V Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting Analog Charge Current Monitor Micropower Shutdown 20-Pin 4mm × 4mm × 0.75mm QFN Package

High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Features: General Purpose Battery Charger Controller Efficient 550kHz Synchronous Buck PWM Topology ±0.5% Output Float Voltage Accuracy Programmable Charge Current: 4% Accuracy Programmable AC Adapter Current Limit: 3% Accuracy No Audible Noise with Ceramic Capacitors INFET Low Loss Ideal Diode PowerPath™ Control Wide Input Voltage Range: 6V to 28V Wide Output Voltage Range: 2V to 28V Indicator Outputs for Charging, C/10 Current Detection and Input Current Limiting Analog Charge Current Monitor Micropower Shutdown 20-Pin 4mm × 4mm × 0.75mm QFN Package

High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Features: General Purpose Battery Charger Controller Efficient 550kHz Synchronous Buck PWM Topology ±0.5% Output Float Voltage Accuracy Programmable Charge Current: 4% Accuracy Programmable AC Adapter Current Limit: 3% Accuracy No Audible Noise with Ceramic Capacitors INFET Low Loss Ideal Diode PowerPath™ Control Wide Input Voltage Range: 6V to 28V Wide Output Voltage Range: 2V to 28V Indicator Outputs for AC Adapter Present, Charging, C/10 Current Detection and Input Current Limiting Analog Charge Current Monitor Micropower Shutdown 20-Pin 4mm × 4mm × 0.75mm QFN Package

High Efficiency, Multi-Chemistry Battery Charger with PowerPath Control Features: General Purpose Battery Charger Controller Efficient 550kHz Synchronous Buck PWM Topology ±0.5% Output Float Voltage Accuracy Programmable Charge Current: 4% Accuracy Programmable AC Adapter Current Limit: 3% Accuracy No Audible Noise with Ceramic Capacitors INFET Low Loss Ideal Diode PowerPath™ Control Wide Input Voltage Range: 6V to 28V Wide Output Voltage Range: 2V to 28V Indicator Outputs for Charging, C/10 Current Detection and Input Current Limiting Analog Charge Current Monitor Micropower Shutdown 20-Pin 4mm × 4mm × 0.75mm QFN Package

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

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