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Richtek provides both discrete power solutions and integrated PMICs for consumer and portable electronics. Our discrete power solutions include battery chargers, fuel gauge, LED drivers, audio Amps, DC/DC solutions and more. Our solutions offer low component counts and low quiescent current for space-constrained PCBs and battery-powered applications.

OVP/OCP Fast Charger DC/DC Converter
Type-C Port Controller Battery Charger LDO
Fuel Gauge
Type-C Audio & USB Mux
Backlight & Bias Power Flash LED Driver
Camera PMIC
AMOLED
Audio Amps
OVP/OCP
Part NumberDescriptionRelated Products
RT9746VBUS OVP with a PTVS DiodeBattery Management > Monitoring and Protection
Type-C Port Controller
Part NumberDescriptionRelated Products
RT1715Programmable USB Type-C PD ControllerUSB Type-C & PD Solutions > USB-C & PD
RT1716Programmable USB Type-C PD ControllerUSB Type-C & PD Solutions > USB-C & PD
Type-C Audio & USB Mux
Part NumberDescriptionRelated Products
RT8980HUSB Type-C Analog Audio and USB SwitchAudio > Audio Switches
Backlight & Bias Power
Part NumberDescriptionRelated Products
RT4531Dual Channel 10s2p WLED DriversLED Drivers > RGB & White LED Drivers
RT4532High Efficiency Backlight LED DriverLED Drivers > Backlight LED Drivers
RT4533/RT4533AAsynchronous Boost Converter for 10 WLEDsLED Drivers > RGB & White LED Drivers
RT4831AFour-Channel LCD Backlight Driver with Integrated Bias PowerLCD & OLED Display Power
Audio Amps
Part NumberDescriptionRelated Products
RT5509Speaker Amplifier with Speaker ProtectionAudio > Smart Audio Amplifiers
RT5510Audio Amplifier with IV SenseAudio > Smart Audio Amplifiers
Fast Charger
Part NumberDescriptionRelated Products
RT9759Smart Cap Divider ChargerBattery Management > Single Cell Li-ion Battery Chargers
Battery Charger
Part NumberDescriptionRelated Products
RT94665A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost ModeBattery Management > Single Cell Li-ion Battery Chargers
RT94675A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost ModeBattery Management > Single Cell Li-ion Battery Chargers
RT9470/RT9470D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9471/RT9471D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9472/RT9472D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
Fuel Gauge
Part NumberDescriptionRelated Products
RT9422Pack Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9422APack Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9426System Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9426ASystem Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9428Host-Side Single Cell Lithium Battery GaugeBattery Management > Battery Fuel Gauge
Flash LED Driver
Part NumberDescriptionRelated Products
RT45051.5A Flash LED Driver with High-Side Current SourceLED Drivers > Flash LED Drivers
Camera PMIC
Part NumberDescriptionRelated Products
RT5112Smart Power-Management Integrated Circuit for CameraModule ApplicationPMICs
RT5112ASmart Power-Management Integrated Circuit for Camera Module ApplicationPMICs
RT5133Integrated PMIC with 8-Channel LDOs and 3 GPOs for Camera Module ApplicationsPMICs
LDO
Part NumberDescriptionRelated Products
RT9055300mA Dual LDO RegulatorLinear Regulators > Multiple Output LDO
RT9086250mA, Ultra-Low Noise, Low Quiescent Current, LDO RegulatorLinear Regulators > Single Output LDO
AMOLED
Part NumberDescriptionRelated Products
RT4706Triple DC-DC Converter for AMOLEDLCD & OLED Display Power
RT4723Dual Output AMOLED BiasLCD & OLED Display Power
RT4730Power Solution for Wearable AMOLED ProductsLCD & OLED Display Power
DC/DC Converter
Part NumberDescriptionRelated Products
RT48032.5MHz, Synchronous Boost Regulator with Bypass ModeSwitching Regulators > Step-Up (Boost) Converters
RT4803A2.5MHz, Synchronous Boost RegulatorSwitching Regulators > Step-Up (Boost) Converters
RT6158AHigh Efficiency, Low Quiescent, 2A Buck-Boost ConverterSwitching Regulators > Buck-Boost Converters
RT6158HHigh Efficiency, Low Quiescent, 3A Buck-Boost ConverterSwitching Regulators > Buck-Boost Converters
RT6160ALow Quiescent, High Efficiency 3A Buck-Boost Converter with I2C InterfaceSwitching Regulators > Buck-Boost Converters
Wireless Power Transmitter Battery Charger DC-DC Converter Fuel Gauge
Wireless Power Receive Buck Converter
Fuel Gauge
Wireless Power Transmitter
Part NumberDescriptionRelated Products
RT3181AWireless Power Transmitter for 5W/15W SolutionBattery Management > Wireless Power Solutions - Transmitters
Wireless Power Receiver
Part NumberDescriptionRelated Products
RT1652Dual Mode (WPC) 5W Wireless Power Receiver and Battery ChargerBattery Management > Wireless Power Solutions - Receivers
RT1653Wireless Power Receiver Compliant with WPCBattery Management > Wireless Power Solutions - Receivers
Battery Charger
Part NumberDescriptionRelated Products
RT9471/RT9471D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9525Linear Single Cell Li-Ion Battery Charger with Auto Power PathBattery Management > Single Cell Li-ion Battery Chargers
DC-DC Converter
Part NumberDescriptionRelated Products
RT48032.5MHz, Synchronous Boost Regulator with Bypass ModeSwitching Regulators > Step-Up (Boost) Converters
RT6160ALow Quiescent, High Efficiency 3A Buck-Boost Converter with I2C InterfaceSwitching Regulators > Buck-Boost Converters
Buck Converter
Part NumberDescriptionRelated Products
RT5707/RT5707AUltra-Low Quiescent Current HCOT Buck ConverterSwitching Regulators > Step-Down (Buck) Converters
RT90782μA IQ, 300mA Low-Dropout Linear RegulatorLinear Regulators > Single Output LDO
Fuel Gauge
Part NumberDescriptionRelated Products
RT9426System Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
OVP/OCP Fast Charger
Type-C Port Controller Battery Charger DC/DC for RF Power
Fuel Gauge
Type-C Audio & USB Mux
OVP/OCP
Part NumberDescriptionRelated Products
RT9746VBUS OVP with a PTVS DiodeBattery Management > Monitoring and Protection
Type-C Port Controller
Part NumberDescriptionRelated Products
RT1715Programmable USB Type-C PD ControllerUSB Type-C & PD Solutions > USB-C & PD
RT1716Programmable USB Type-C PD ControllerUSB Type-C & PD Solutions > USB-C & PD
Type-C Audio & USB Mux
Part NumberDescriptionRelated Products
RT8980HUSB Type-C Analog Audio and USB SwitchAudio > Audio Switches
Fast Charger
Part NumberDescriptionRelated Products
RT9758High Voltage Smart Cap Divider and Direct Charge ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9759Smart Cap Divider ChargerBattery Management > Single Cell Li-ion Battery Chargers
Battery Charger
Part NumberDescriptionRelated Products
RT94665A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost ModeBattery Management > Single Cell Li-ion Battery Chargers
RT94675A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost ModeBattery Management > Single Cell Li-ion Battery Chargers
RT9470/RT9470D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9471/RT9471D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
RT9472/RT9472D3A Single Cell Switching Battery ChargerBattery Management > Single Cell Li-ion Battery Chargers
Fuel Gauge
Part NumberDescriptionRelated Products
RT9422Pack Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9422APack Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9426System Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9426ASystem Side Single Cell Fuel GaugeBattery Management > Battery Fuel Gauge
RT9428Host-Side Single Cell Lithium Battery GaugeBattery Management > Battery Fuel Gauge

4K TFT-LCD Panel

Type-C Port Controller
Type-C Buck-Boost Controller
Type-C Buck-Boost Controller
Part NumberDescriptionRelated Products
RT619036V, 4-Switch Bidirectional Buck-Boost Controller with I2C InterfaceSwitching Regulators > Buck-Boost Controllers

FHD TFT-LCD Panel

Type-C Port Controller
Type-C Buck-Boost Controller
Type-C Buck-Boost Controller
Part NumberDescriptionRelated Products
RT619036V, 4-Switch Bidirectional Buck-Boost Controller with I2C InterfaceSwitching Regulators > Buck-Boost Controllers
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