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

Standalone Linear Li-Ion Battery Charger with Programmable Termination Features: Programmable Charge Current Up to 950mA Complete Linear Charger in DFN Package No MOSFET, Sense Resistor or Blocking Diode Required Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Charges Directly from a USB Port Programmable Charge Current Termination Preset 4.2V Charge Voltage with ±1% Accuracy Charge Current Monitor Output for Gas Gauging* Automatic Recharge Charge Status Output “AC Present” Output 2.9V Trickle Charge Threshold (LTC4068) Available Without Trickle Charge (LTC4068X) Soft-Start Limits Inrush Current Low Profile (3mm x 3mm x 0.75mm) DFN Package

60V, 250mA Linear Charger with Low Quiescent Current Features: Wide Input Voltage Range: 2.7V to 60V Adjustable Battery Voltage: 1.2V to 60V Adjustable Charge Current: 10mA to 250mA Low Quiescent Current While Charging: IIN = 4μA Ultralow Battery Drain When Shutdown or Charged: IBAT < 0.01μA Auto Recharge Input Voltage Regulation for High Impedance Sources Thermal Regulation Maximizes Output Current without Overheating Constant Voltage Feedback with ±0.5% Accuracy NTC Thermistor Input for Temperature Qualified Charging Adjustable Safety Timer Charging Status Indication Thermally Enhanced 10-Lead (3mm × 3mm) DFN Package AEC-Q100 Qualified for Automotive Applications

500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck Features: Complete Linear Battery Charger with Integrated Buck Converter Battery Charger: Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating Internal 4.5-Hour Safety Timer for Termination Charge Current Programmable Up to 500mA with 5% Accuracy C/10 Charge Current Detection Output 5µA Supply Current in Shutdown Mode Switching Regulator: High Efciency Synchronous Buck Converter 300mA Output Current 2.7V to 4.5V Input Range (Powered from BAT Pin) 0.8V to VBAT Output Range MODE Pin Selects Fixed (2.25MHz) Constant-Frequency PWM Mode or Low ICC (23µA) Burst Mode®  Operation 2µA BAT Current in Shutdown Mode

500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck Features: Complete Linear Battery Charger with Integrated Buck Converter Battery Charger: Constant-Current/Constant-Voltage Operation with Thermal Feedback to Maximize Charge Rate Without Risk of Overheating Internal 4.5-Hour Safety Timer for Termination Charge Current Programmable Up to 500mA with 5% Accuracy C/10 Charge Current Detection Output 5µA Supply Current in Shutdown Mode Switching Regulator: High Efciency Synchronous Buck Converter 300mA Output Current 2.7V to 4.5V Input Range (Powered from BAT Pin) 0.8V to VBAT Output Range MODE Pin Selects Fixed (2.25MHz) Constant-Frequency PWM Mode or Low ICC (23µA) Burst Mode®  Operation 2µA BAT Current in Shutdown Mode

USB Power Manager with High Voltage Switching Charger Features: Seamless Transition Between Power Sources: Li-Ion Battery, USB, and 6V to 36V External Supply High Efciency 1.2A Charger from 6V to 36V Input with Adaptive Output Control (LTC4089) Load Dependent Charging from USB Input Guarantees Current Compliance 215mΩ Internal Ideal Diode plus Optional External Ideal Diode Controller Provides Low Loss Power Path When External Supply/USB Not Present 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) from USB Input Preset 4.2V Charge Voltage with 0.8% Accuracy C/10 Charge Current Detection Output NTC Thermistor Input for Temperature Qualied Charging Tiny (6mm × 3mm × 0.75mm) 22-Pin DFN Package

Low Power Wireless Charger for Hearing Aids Features:Complete Low Power Wireless NiMH ChargerLow Minimum Input Voltage: 2.2VSmall Total Solution Volume1.5V, 25mA Linear Single-Cell NiMH ChargerTemperature Compensated Charge VoltageIntegrated Rectifier with Overvoltage LimitZinc-Air Battery DetectionReverse Polarity ProtectionThermally Enhanced 6-Lead (2mm × 2mm) DFN package

10mA Wireless Li-Ion Charger with 1.2V Step-Down DC/DC Converter Features: Wireless Li-Ion Battery Charger Plus High Efficiency Multi-Mode Charge Pump DC/DC Wideband Rx Frequency: DC to >10MHz Integrated Rectifier with Overvoltage Limit Pin Selectable Charge Voltage: 4.1V or 4.2V Charge Current: 10mA (Fixed) Low Battery Disconnect: 3.0V NTC Pin for Temperature Qualified Charging DC/DC Regulated Output: 1.2V DC/DC Output Current: Up to 60mA 50kHz/75kHz Switching, No Audible Noise Pushbutton and/or Digital on/off Control for DC/DC Thermally Enhanced 12-Lead 2mm × 2mm LQFN Package

Coulomb Counter/Battery Gas Gauge Features: Indicates Charge Quantity and Polarity ±50mV Sense Voltage Range Precision Timer Capacitor or Crystal Not Required 2.7V to 8.5V Operation High Side Sense 32.55Hz/V Charge Count Frequency 1.5μA Shutdown Current 10-Pin MSOP Package

35V/3.2A Multi-Cell LiFePO4 Step-Down Battery Charger with PowerPath and I2C Telemetry Features: LiFePO4 Battery Charger with Termination 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 1-9 Lithium Iron Phosphate Cells 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 JEITA Temperature Controlled Charging Pin Compatible with Li-Ion and SLA Versions