32V, 2A Module (Power Module) Li-Ion/Polymer Battery Charger Features: Wide Input Voltage Range: 4.95V to 32V (40V Absolute Maximum) Float Voltage Options: 1-Cell: 4.1V, 4.2V 2-Cell: 8.2V, 8.4V Programmable Charge Current: Up to 2A User-Selectable Charge Termination: C/10 or Onboard Termination Timer Dynamic Charge Rate Programming/Soft-Start Pin Programmable Input Current Limit Optional Reverse Input Protection NTC Resistor Temperature Monitor 0.5% Float Voltage Accuracy Bad-Battery Detection with Auto-Reset Tiny, Low Profile (9mm × 15mm × 4.32mm) Surface Mount LGA Package

Cylindrical Battery Contacts, Clips, Holders & Springs SOLDER LUG BATTERY HOLDER 2/3A

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

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

Standalone Linear NiMH/NiCd Fast Battery Charger Features: Complete Fast Charger Controller for Single, 2-, 3- or 4-Series Cell NiMH/NiCd Batteries No Firmware or Microcontroller Required Termination by –V, Maximum Voltage or Maximum Time No Sense Resistor or Blocking Diode Required Automatic Recharge Keeps Batteries Charged Programmable Fast Charge Current: 0.4A to 2A Accurate Charge Current: ±5% at 2A Fast Charge Current Programmable Beyond 2A with External Sense Resistor Automatic Detection of Battery Precharge for Heavily Discharged Batteries Optional Temperature Qualified Charging Charge and AC Present Status Outputs Can Drive LED Automatic Sleep Mode with Input Supply Removal Negligible Battery Drain in Sleep Mode: <1µA Manual Shutdown Input Supply Range: 4.5V to 10V Available in 16-Lead DFN and TSSOP Packages

Standalone Linear Li-Ion Battery Charger with Thermistor Input Features: Charge Current Programmable up to 1A Charges Single Cell Li-Ion Batteries Directly from USB Port Preset 4.375V Float Voltage with ±0.4% Accuracy Thermistor Input for Temperature Qualified Charging Input Supply Present Logic Output Thermal Regulation Maximizes Charge Rate Without Risk of Overheating Programmable Charge Current Detection/Termination Programmable Charge Termination Timer Smart Pulsing Error Feature SmartStart™ Prolongs Battery Life 20µA Charger Quiescent Current in Shutdown Available in a Low Profile (0.75mm) 10-Lead (3mm × 3mm) DFN Package

USB Power Manager with Low-Loss Ideal Diode and Li-Ion Battery Charger Features: Seamless Transition Between Input Power Sources: Li-Ion Battery, USB and 5V Wall Adapter Low Loss (50mΩ) Ideal Diode Path from BAT to OUT Programmable Charge Current Detection (CHRG) Load Dependent Charging Guarantees USB Input Current Compliance Analog Gas Gauge Function Charges Single Cell Li-Ion Batteries Directly from USB Port Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charging Rate Without Risk of Overheating* Selectable 100% or 20% Current Limit (e.g., 500mA/100mA) Termination Timer Adapts to Actual Charge Current Preset 4.2V Charge Voltage with 0.8% Accuracy (4.1V for LTC4066-1) NTC Thermistor Input for Temperature Qualied Charging Thin Prole (0.75mm) 24-Lead 4mm x 4mm QFN Package Ultrathin Prole (0.55mm) 24-Lead 4mm x 4mm UTQFN Package (LTC4066 Only)

USB Power Manager with OVP and Li-Ion/Polymer Charger Features: Programmable Input Current Limit: Single Resistor at CLPROG Pin to Set and Monitor Input Current Battery Charger/Ideal Diode/Controller: 13V Overvoltage Protection Full Featured Battery Charger with 4.2V Float Up to 1.25A Programmable Charge Current Thermal Regulation Maximizes Charge Current Without Risk of Overheating Internal 2 Hour Termination Timer from Onset of Voltage Mode Charging Automatic Load Switchover to Battery Power with Internal Ideal Diode and Drive Output for Optional External MOSFET NTC Thermistor Input Bad Battery Time-Out Detection 4mm × 3mm 12-Lead DFN Package