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

5W AutoResonant Wireless Power Transmitter Features: Monolithic 5W Wireless Power Transmitter AutoResonant™ Switching Frequency Adjusts to Resonant Capacitance and Transmit Coil Inductance* Transmit Power Automatically Adjusts to Receiver Load* Input Voltage Range: 3V to 5.5V Integrated 100mΩ Full Bridge Switches Multiple Foreign Object Detection Methods Programmable Average Input Current Limit and Monitor NTC Input for System/Component Temperature Qualified Power Transfer Wide Operating Switching Frequency Range: 50kHz to 250kHz Thermally Enhanced 4mm × 5mm QFN 20-Lead 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

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

High Voltage I2C Current and Voltage Monitor Features: Wide Operating Voltage Range: 7V to 80V 12-Bit Resolution for Both Current and Voltages I2C Interface Additional ADC Input Monitors an External Voltage Continuous Scan and Snapshot Modes Shutdown Mode (LTC4151) Reduces Quiescent Current to 120μA Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2) Available in 10-Lead MSOP, 10-Lead 3mm × 3mm DFN and 16-Lead SO Packages

High Voltage I2C Current and Voltage Monitor Features: Wide Operating Voltage Range: 7V to 80V 12-Bit Resolution for Both Current and Voltages I2C Interface Additional ADC Input Monitors an External Voltage Continuous Scan and Snapshot Modes Shutdown Mode (LTC4151) Reduces Quiescent Current to 120μA Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2) Available in 10-Lead MSOP, 10-Lead 3mm × 3mm DFN and 16-Lead SO Packages

High Voltage I2C Current and Voltage Monitor Features: Wide Operating Voltage Range: 7V to 80V 12-Bit Resolution for Both Current and Voltages I2C Interface Additional ADC Input Monitors an External Voltage Continuous Scan and Snapshot Modes Shutdown Mode (LTC4151) Reduces Quiescent Current to 120μA Split SDA for Opto-Isolation (LTC4151-1/LTC4151-2) Available in 10-Lead MSOP, 10-Lead 3mm × 3mm DFN and 16-Lead SO Packages

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

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

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions

35V/3.2A Lead-Acid Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Lead-Acid Battery Charger with Absorb and Equalize 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 6V, 12V, 18V and 24V Lead-Acid Batteries 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 Temperature Controlled Charging Pin Compatible with Li-Ion and LiFePO4 Versions

35V/3.2A Multi-Cell Lithium-Ion Step-Down Battery Charger with PowerPath and I2C Telemetry Features: Li-Ion/Polymer 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 1-8 Lithium-Ion/Polymer 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 LiFePO4 and SLA Versions