Portable Devices

Richtek provides comprehensive power management solutions for portable devices to specially address the challenges requirements for low power consumption and small PCB size, such as battery management power solutions, audio, AC/DC, DC/DC solutions, USB-C interface solutions, and more.

OVP/OCP
Part Number	Description	Related Products
RT9746	VBUS OVP with a PTVS Diode	Battery Management > Monitoring and Protection

Type-C Port Controller
Part Number	Description	Related Products
RT1715	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD
RT1716	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD

Type-C Audio & USB Mux
Part Number	Description	Related Products
RT8980H	USB Type-C Analog Audio and USB Switch	Audio > Audio Switches

Fast Charger
Part Number	Description	Related Products
RT9758	High Voltage Smart Cap Divider and Direct Charge Charger	Battery Management > Multiple Cell Li-ion Battery Chargers
RT9759	Smart Cap Divider Charger	Battery Management > Single Cell Li-ion Battery Chargers

Battery Charger
Part Number	Description	Related Products
RT9466	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9467	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9470/RT9470D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9471/RT9471D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9472/RT9472D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers

Fuel Gauge
Part Number	Description	Related Products
RT9422	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9422A	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426A	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9428	Host-Side Single Cell Lithium Battery Gauge	Battery Management > Battery Fuel Gauge

Wireless Power Transmitter
Part Number	Description	Related Products
RT3181A	Wireless Power Transmitter for 5W/15W Solution	Battery Management > Wireless Power Solutions - Transmitters

Wireless Power Receiver
Part Number	Description	Related Products
RT1652	Dual Mode (WPC) 5W Wireless Power Receiver and Battery Charger	Battery Management > Wireless Power Solutions - Receivers
RT1653	Wireless Power Receiver Compliant with WPC	Battery Management > Wireless Power Solutions - Receivers

Battery Charger
Part Number	Description	Related Products
RT9471/RT9471D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9525	Linear Single Cell Li-Ion Battery Charger with Auto Power Path	Battery Management > Single Cell Li-ion Battery Chargers

DC-DC Converter
Part Number	Description	Related Products
RT4803	2.5MHz, Synchronous Boost Regulator with Bypass Mode	Switching Regulators > Step-Up (Boost) Converters
RT6160A	Low Quiescent, High Efficiency 3A Buck-Boost Converter with I²C Interface	Switching Regulators > Buck-Boost Converters

Buck Converter
Part Number	Description	Related Products
RT5707/RT5707A	Ultra-Low Quiescent Current HCOT Buck Converter	Switching Regulators > Step-Down (Buck) Converters
RT9078	2μA I_Q, 300mA Low-Dropout Linear Regulator	Linear Regulators > Single Output LDO

Fuel Gauge
Part Number	Description	Related Products
RT9426	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge

OVP/OCP
Part Number	Description	Related Products
RT9746	VBUS OVP with a PTVS Diode	Battery Management > Monitoring and Protection

Type-C Port Controller
Part Number	Description	Related Products
RT1715	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD
RT1716	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD

Type-C Audio & USB Mux
Part Number	Description	Related Products
RT8980H	USB Type-C Analog Audio and USB Switch	Audio > Audio Switches

Backlight & Bias Power
Part Number	Description	Related Products
RT4531	Dual Channel 10s2p WLED Drivers	LED Drivers > RGB & White LED Drivers
RT4532	High Efficiency Backlight LED Driver	LED Drivers > Backlight LED Drivers
RT4533/RT4533A	Asynchronous Boost Converter for 10 WLEDs	LED Drivers > RGB & White LED Drivers
RT4831A	Four-Channel LCD Backlight Driver with Integrated Bias Power	LCD & OLED Display Power

Audio Amps
Part Number	Description	Related Products
RT5509	Speaker Amplifier with Speaker Protection	Audio > Smart Audio Amplifiers
RT5510	Audio Amplifier with IV Sense	Audio > Smart Audio Amplifiers

Fast Charger
Part Number	Description	Related Products
RT9759	Smart Cap Divider Charger	Battery Management > Single Cell Li-ion Battery Chargers

Battery Charger
Part Number	Description	Related Products
RT9466	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9467	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9470/RT9470D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9471/RT9471D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9472/RT9472D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers

Fuel Gauge
Part Number	Description	Related Products
RT9422	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9422A	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426A	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9428	Host-Side Single Cell Lithium Battery Gauge	Battery Management > Battery Fuel Gauge

Flash LED Driver
Part Number	Description	Related Products
RT4505	1.5A Flash LED Driver with High-Side Current Source	LED Drivers > Flash LED Drivers

Camera PMIC
Part Number	Description	Related Products
RT5112	Smart Power-Management Integrated Circuit for CameraModule Application	PMICs
RT5112A	Smart Power-Management Integrated Circuit for Camera Module Application	PMICs
RT5133	Integrated PMIC with 8-Channel LDOs and 3 GPOs for Camera Module Applications	PMICs

LDO
Part Number	Description	Related Products
RT9055	300mA Dual LDO Regulator	Linear Regulators > Multiple Output LDO
RT9086	250mA, Ultra-Low Noise, Low Quiescent Current, LDO Regulator	Linear Regulators > Single Output LDO

DC/DC Converter
Part Number	Description	Related Products
RT4803	2.5MHz, Synchronous Boost Regulator with Bypass Mode	Switching Regulators > Step-Up (Boost) Converters
RT4803A	2.5MHz, Synchronous Boost Regulator	Switching Regulators > Step-Up (Boost) Converters
RT6158A	High Efficiency, Low Quiescent, 2A Buck-Boost Converter	Switching Regulators > Buck-Boost Converters
RT6158H	High Efficiency, Low Quiescent, 3A Buck-Boost Converter	Switching Regulators > Buck-Boost Converters
RT6160A	Low Quiescent, High Efficiency 3A Buck-Boost Converter with I²C Interface	Switching Regulators > Buck-Boost Converters

AMOLED
Part Number	Description	Related Products
RT4706	Triple DC-DC Converter for AMOLED	LCD & OLED Display Power
RT4723	Dual Output AMOLED Bias	LCD & OLED Display Power
RT4730	Power Solution for Wearable AMOLED Products	LCD & OLED Display Power

OVP/OCP
Part Number	Description	Related Products
RT9746	VBUS OVP with a PTVS Diode	Battery Management > Monitoring and Protection

Type-C Port Controller
Part Number	Description	Related Products
RT1715	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD
RT1716	Programmable USB Type-C PD Controller	USB Type-C & PD Solutions > USB-C & PD

Type-C Audio & USB Mux
Part Number	Description	Related Products
RT8980H	USB Type-C Analog Audio and USB Switch	Audio > Audio Switches

Backlight & Bias Power
Part Number	Description	Related Products
RT4531	Dual Channel 10s2p WLED Drivers	LED Drivers > RGB & White LED Drivers
RT4532	High Efficiency Backlight LED Driver	LED Drivers > Backlight LED Drivers
RT4533/RT4533A	Asynchronous Boost Converter for 10 WLEDs	LED Drivers > RGB & White LED Drivers
RT4831A	Four-Channel LCD Backlight Driver with Integrated Bias Power	LCD & OLED Display Power

Audio Amps
Part Number	Description	Related Products
RT5509	Speaker Amplifier with Speaker Protection	Audio > Smart Audio Amplifiers
RT5510	Audio Amplifier with IV Sense	Audio > Smart Audio Amplifiers

Fast Charger
Part Number	Description	Related Products
RT9758	High Voltage Smart Cap Divider and Direct Charge Charger	Battery Management > Multiple Cell Li-ion Battery Chargers
RT9759	Smart Cap Divider Charger	Battery Management > Single Cell Li-ion Battery Chargers

Battery Charger
Part Number	Description	Related Products
RT9466	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9467	5A Single Cell Li-Ion Switching Battery Charger with Power Path Management and USB-OTG Boost Mode	Battery Management > Single Cell Li-ion Battery Chargers
RT9470/RT9470D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9471/RT9471D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers
RT9472/RT9472D	3A Single Cell Switching Battery Charger	Battery Management > Single Cell Li-ion Battery Chargers

Fuel Gauge
Part Number	Description	Related Products
RT9422	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9422A	Pack Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9426A	System Side Single Cell Fuel Gauge	Battery Management > Battery Fuel Gauge
RT9428	Host-Side Single Cell Lithium Battery Gauge	Battery Management > Battery Fuel Gauge

Flash LED Driver
Part Number	Description	Related Products
RT4505	1.5A Flash LED Driver with High-Side Current Source	LED Drivers > Flash LED Drivers

Camera PMIC
Part Number	Description	Related Products
RT5112	Smart Power-Management Integrated Circuit for CameraModule Application	PMICs
RT5112A	Smart Power-Management Integrated Circuit for Camera Module Application	PMICs
RT5133	Integrated PMIC with 8-Channel LDOs and 3 GPOs for Camera Module Applications	PMICs

LDO
Part Number	Description	Related Products
RT9055	300mA Dual LDO Regulator	Linear Regulators > Multiple Output LDO
RT9086	250mA, Ultra-Low Noise, Low Quiescent Current, LDO Regulator	Linear Regulators > Single Output LDO

DC/DC Converter
Part Number	Description	Related Products
RT4803	2.5MHz, Synchronous Boost Regulator with Bypass Mode	Switching Regulators > Step-Up (Boost) Converters
RT4803A	2.5MHz, Synchronous Boost Regulator	Switching Regulators > Step-Up (Boost) Converters
RT6158A	High Efficiency, Low Quiescent, 2A Buck-Boost Converter	Switching Regulators > Buck-Boost Converters
RT6158H	High Efficiency, Low Quiescent, 3A Buck-Boost Converter	Switching Regulators > Buck-Boost Converters
RT6160A	Low Quiescent, High Efficiency 3A Buck-Boost Converter with I²C Interface	Switching Regulators > Buck-Boost Converters

PD Travel Adapters

PFC Controller
Part Number	Description	Related Products
RT7300AD	Active PFC Controller with Critical Conduction Mode	AC-DC > PFC Controllers

PWM Controller
Part Number	Description	Related Products
RT7752	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers
RT7753GCN	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers
RT7753GCS	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers
RT7753GEN	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers
RT7755xE	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers
RT7786	High Efficiency, 36V 100mA Synchronous Step-Down Converter	AC-DC > Multi-Mode Flyback Controllers
RT7790	Advanced PWM Controller for Programmable Power Converter	AC-DC > Multi-Mode Flyback Controllers
RT7791	PWM Controller for Programmable Power Converter (USBPD)	AC-DC > Multi-Mode Flyback Controllers

SR Controller
Part Number	Description	Related Products
RT7220B	Synchronous Rectifier Controller with Wide Output Voltage Operating Range	AC-DC > Synchronous Rectifier Controllers

Protocol Controller
Part Number	Description	Related Products
RT7202	Highly Integrated USB PD Type-C Controller for SMPS	USB Type-C & PD Solutions > USB-C & PD
RT7203T	High-Integration Fast Charge Protocols Controller with Internal Feedback Compensation	USB Type-C & PD Solutions > USB-C & PD
RT7203V	High-Integration VOOC (Voltage Open Loop Multi-Step Constant- Current Charging) Protocol Controller with Internal Feedback Compensation	USB Type-C & PD Solutions > USB-C & PD
RT7206A	High-Integration USB PD Controller with Internal Feedback Compensation and Built-in Blocking N-MOSFETs	USB Type-C & PD Solutions > USB-C & PD

SR + Protocol Controller
Part Number	Description	Related Products
RT7205A	Programmable SMPS and USB Type-C Controller	USB Type-C & PD Solutions > USB-C & PD
RT7205B	Programmable SMPS and USB Type-C Controller	USB Type-C & PD Solutions > USB-C & PD
RT7207KB	Highly Integration USB PD Controller with Synchronous Rectification	USB Type-C & PD Solutions > USB-C & PD