Dual Input USB/AC Adapter Li-Ion Battery Charger with 600mA Buck Converter Features: Charges Single-Cell Li-Ion Battery from Wall Adapter and USB Inputs Automatic Input Power Detection and Selection Charge Current Programmable Up to 950mA from Wall Adapter Input Adjustable Output, High Efciency 600mA Synchronous DC/DC Converter No External MOSFET, Sense Resistor or Blocking Diode Needed Thermal Regulation Maximizes Charge Rate Without Risk of Overheating* Preset Charge Voltage with ±0.6% Accuracy Programmable Charge Current Termination 1.5MHz Constant Frequency Operation (Step-Down Converter) 18μA USB Suspend Current in Shutdown “Power Present” Status Output Charge Status Output Automatic Recharge Available in a Thermally Enhanced, Low Prole (0.75mm) 16-Lead (5mm × 3mm) DFN Package

Micropower USB Power Manager with Li-Ion Charger, Always-On LDO and Buck Regulator Features: 12μA Standby Mode Quiescent Current (All Outputs On) Seamless Transition Between Input Power Sources: Li-Ion/Polymer Battery and USB 240mΩ Internal Ideal Diode Provides Low Loss PowerPath™ High Efficiency 200mA Buck Regulator Always-On 150mA Low Dropout (LDO) Linear Regulator Pushbutton On/Off Control With System Reset Full Featured Li-Ion/Polymer Battery Charger Programmable Charge Current With Thermal Limiting Instant-On Operation With Discharged Battery 3mm × 3mm × 0.75mm 20-Pin QFN Package

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

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