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Richtek USA

Richtek USA is a semiconductor manufacturer producing Linear Regulators (LDO), DC-DC Switching Regulators, LED Drivers, Power Distribution Switches, Supervisors & Reset ICs. FPGACenter stocks 1,859 Richtek USA products with global sourcing capabilities, quality inspection, and competitive pricing. All Richtek USA components sourced through FPGACenter are 100% original with full traceability documentation.

1.859
Total Parts
1.602
In Stock
20
Categories
1.602
Active
254
EOL/Obsolete

Key Product Lines

Linear Regulators (LDO)DC-DC Switching RegulatorsLED DriversPower Distribution SwitchesSupervisors & Reset ICs

✅ Why Source Richtek USA from FPGACenter

FPGACenter carries 1,859 Richtek USA part numbers. Submit an RFQ for volume pricing and lead time on any Richtek USA component.

✓ Originality review✓ No Minimum Order✓ Quality Inspection✓ Global Shipping

Richtek USA Product Categories

Linear Regulators (LDO) (640)DC-DC Switching Regulators (585)LED Drivers (117)Power Distribution Switches (115)Supervisors & Reset ICs (100)DC-DC Switching Controllers (100)Special Purpose ICs (63)Linear & Switching Controllers (47)Gate Drivers (27)Battery Chargers (18)Battery Management ICs (12)Specialized Power Management (12)AC-DC Converters & Offline Switchers (7)PFC Controllers (4)Linear Regulator Controllers (3)Op Amps & Instrumentation Amplifiers (3)Motor Drivers & Controllers (2)Audio Amplifiers (2)Voltage References (1)Hot Swap Controllers (1)

All Richtek USA Products

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Part NumberCategoryDescriptionPackageStockPriceStatus
RT6542AGQWDC-DC Switching ControllersThe RT6542AGQW is a DC-DC switching controller manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-WFDFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6542AGQW is currently in active production through Richtek USA's standard distribution channels.14-WFDFN Exposed Pad4.470 In Stock$1.44ACTIVERFQ
RT6543BGQWDC-DC Switching ControllersThe RT6543BGQW is a DC-DC switching controller manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TJ) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6543BGQW is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad7.121 In Stock$0.6700ACTIVERFQ
RT6575BGQWLinear & Switching ControllersThe RT6575BGQW is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6575BGQW is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad8.919 In Stock$2.25ACTIVERFQ
RT6575BGQW(2)Linear & Switching ControllersThe RT6575BGQW(2) is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6575BGQW(2) is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad4.341 In Stock$2.56ACTIVERFQ
RT6575CGQW(2)Linear & Switching ControllersThe RT6575CGQW(2) is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6575CGQW(2) is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad2.173 In Stock$4.34ACTIVERFQ
RT6575EGQW(2)Linear & Switching ControllersThe RT6575EGQW(2) is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6575EGQW(2) is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad4.500 In Stock$0.8501ACTIVERFQ
RT6576BGQWLinear & Switching ControllersThe RT6576BGQW is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6576BGQW is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad1.558 In Stock$5.30ACTIVERFQ
RT6576DGQW(2)Linear & Switching ControllersThe RT6576DGQW(2) is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6576DGQW(2) is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad4.242 In Stock$1.99ACTIVERFQ
RT6585BGQWLinear & Switching ControllersThe RT6585BGQW is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6585BGQW is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad3.723 In Stock$2.16ACTIVERFQ
RT6585BGQW(2)Linear & Switching ControllersThe RT6585BGQW(2) is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 85°C (TA) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6585BGQW(2) is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad4.479 In Stock$2.20ACTIVERFQ
RT6585CGQWLinear & Switching ControllersThe RT6585CGQW is a switch IC manufactured by Richtek USA. Technical highlights include 5V ~ 25V supply voltage and -40°C ~ 125°C (TJ) operating temperature; design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits. This Surface Mount component is supplied in a 20-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6585CGQW is currently in active production through Richtek USA's standard distribution channels.20-WFQFN Exposed Pad8.052 In Stock$2.16ACTIVERFQ
RT6706GQWLinear & Switching ControllersThe RT6706GQW is a switch IC manufactured by Richtek USA. Design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6706GQW is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RT6806ZQVLinear & Switching ControllersThe RT6806ZQV is a switch IC manufactured by Richtek USA. Design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6806ZQV is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RT6903BZQVLinear & Switching ControllersThe RT6903BZQV is a switch IC manufactured by Richtek USA. Design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6903BZQV is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RT6903ZQVLinear & Switching ControllersThe RT6903ZQV is a switch IC manufactured by Richtek USA. Design review should confirm switching current, MOSFET behavior, input voltage, package fit, and operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RT6903ZQV is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RT7020GNGate DriversThe RT7020GN is a combinational logic IC manufactured by Richtek USA. Technical highlights include 10V ~ 20V supply voltage and -40°C ~ 125°C (TJ) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 125°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the RT7020GN is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcingRFQOBSOLETERFQ
RT7021AGNGate DriversThe RT7021AGN is a combinational logic IC manufactured by Richtek USA. Technical highlights include 13V ~ 20V supply voltage and -40°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 125°C (TA). Designed for motor control, LED lighting, and display backlight applications, the RT7021AGN is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcingRFQOBSOLETERFQ
RT7021AGSGate DriversThe RT7021AGS is a combinational logic IC manufactured by Richtek USA. Technical highlights include 13V ~ 20V supply voltage and -40°C ~ 150°C (TJ) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the RT7021AGS is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcing$3.60OBSOLETERFQ
RT7021BGNGate DriversThe RT7021BGN is a combinational logic IC manufactured by Richtek USA. Technical highlights include 13V ~ 20V supply voltage and -40°C ~ 125°C (TA) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Through Hole component is supplied in a 8-DIP (0.300", 7.62mm) package and is rated for operation across -40°C ~ 125°C (TA). Designed for motor control, LED lighting, and display backlight applications, the RT7021BGN is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.8-DIP (0.300", 7.62mm)RFQ for sourcingRFQOBSOLETERFQ
RT7021BGSGate DriversThe RT7021BGS is a combinational logic IC manufactured by Richtek USA. Technical highlights include 13V ~ 20V supply voltage and -40°C ~ 150°C (TJ) operating temperature; design review should confirm logic family, I/O voltage, propagation delay, package fit, and operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 150°C (TJ). Designed for motor control, LED lighting, and display backlight applications, the RT7021BGS is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.8-SOIC (0.154", 3.90mm Width)RFQ for sourcing$3.60OBSOLETERFQ

Frequently Asked Questions

Where can I buy Richtek USA electronic components?

FPGACenter stocks 1.859 Richtek USA part numbers with 1.602 currently in stock. All parts are 100% original with full traceability. No minimum order quantity required. Submit an RFQ for competitive pricing.

Can I still get obsolete Richtek USA parts?

Yes. FPGACenter specializes in sourcing hard-to-find and obsolete components. We have 254 end-of-life/obsolete Richtek USA part numbers in our database, many available from verified stock or through our global sourcing network.

What types of Richtek USA products does FPGACenter carry?

We stock Richtek USA products across 20 categories including Linear Regulators (LDO), DC-DC Switching Regulators, LED Drivers, Power Distribution Switches. Browse our full catalog or contact our sourcing team for any specific Richtek USA part number.

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