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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.

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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

Page 91 of 93
Part NumberCategoryDescriptionPackageStockPriceStatus
RT9819G-29GVSupervisors & Reset ICsThe RT9819G-29GV is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Push-Pull, Totem Pole output type, 2.9V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in a TO-236-3, SC-59, SOT-23-3 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9819G-29GV is currently in active production through Richtek USA's standard distribution channels.TO-236-3, SC-59, SOT-23-31.019 In StockRFQACTIVERFQ
RT9819G-44GU3Supervisors & Reset ICsThe RT9819G-44GU3 is a voltage supervisor manufactured by Richtek USA. Key technical specifications include Push-Pull, Totem Pole output type, 4.4V voltage threshold, 1 monitored voltage, 143ms Minimum reset timeout, and -40°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and voltage threshold. This Surface Mount component is supplied in an SC-70, SOT-323 package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9819G-44GU3 is currently in active production through Richtek USA's standard distribution channels.SC-70, SOT-3231.120 In StockRFQACTIVERFQ
RT9911GQVSpecialized Power ManagementThe RT9911GQV is a specialized power management IC manufactured by Richtek USA. Technical highlights include 2.4V ~ 5.5V input voltage and -40°C ~ 85°C 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 40-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C. Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9911GQV is currently in active production through Richtek USA's standard distribution channels.40-VFQFN Exposed Pad2.449 In StockRFQACTIVERFQ
RT9917GQWDC-DC Switching ControllersThe RT9917GQW is a DC-DC switching controller manufactured by Richtek USA. Technical highlights include -40°C ~ 85°C (TA) 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 40-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 RT9917GQW is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.40-WFQFN Exposed PadRFQ for sourcingRFQOBSOLETERFQ
RT9919GQWSpecialized Power ManagementThe RT9919GQW is a specialized power management IC manufactured by Richtek USA. Technical highlights include 2.7V ~ 5.5V input voltage and -40°C ~ 85°C (TA) 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 40-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9919GQW is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.40-WFQFN Exposed PadRFQ for sourcingRFQOBSOLETERFQ
RT9921DGQVSpecialized Power ManagementThe RT9921DGQV is a specialized power management IC manufactured by Richtek USA. Design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal 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 automotive electronics, industrial automation, and telecommunications equipment applications, the RT9921DGQV is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RT9971GQWSpecialized Power ManagementThe RT9971GQW is a specialized power management IC manufactured by Richtek USA. Key technical specifications include 2.7V ~ 5.5V input voltage, 800µA (Max) quiescent current, and -40°C ~ 85°C (TA) operating temperature; design review should also confirm input voltage, output voltage, and load current. This Surface Mount component is supplied in a 40-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for automotive electronics, industrial automation, and telecommunications equipment applications, the RT9971GQW is currently in active production through Richtek USA's standard distribution channels.40-WFQFN Exposed Pad4.491 In Stock$3.51ACTIVERFQ
RT9991GQVSpecial Purpose ICsThe RT9991GQV is a specialized telecom IC manufactured by Richtek USA. Technical highlights include 2.8V ~ 5.5V supply voltage and -40°C ~ 85°C operating temperature; design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, package fit, and operating temperature limits. This Surface Mount component is supplied in a 32-VFQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C. Designed for industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9991GQV is currently in active production through Richtek USA's standard distribution channels.32-VFQFN Exposed Pad2.343 In StockRFQACTIVERFQ
RT9993GQWSpecial Purpose ICsThe RT9993GQW is a specialized telecom IC manufactured by Richtek USA. Design review should confirm SPI, I2C, UART, CAN bus, USB, or Ethernet interface requirements, signal integrity, 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 industrial automation, consumer electronics, and telecommunications infrastructure applications, the RT9993GQW is no longer produced by Richtek USA; FPGACenter maintains verified stock sourced through certified supply chain partners.RFQ for sourcingRFQOBSOLETERFQ
RTQ1741AGQWDC-DC Switching RegulatorsThe RTQ1741AGQW is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost 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 ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ1741AGQW is currently in active production through Richtek USA's standard distribution channels.14-WFDFN Exposed Pad1.930 In Stock$10.56ACTIVERFQ
RTQ2077SGQW-QTLinear & Switching ControllersThe RTQ2077SGQW-QT is a switch IC manufactured by Richtek USA. Technical highlights include 4.5V ~ 15V supply voltage and -40°C ~ 125°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 16-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2077SGQW-QT is currently in active production through Richtek USA's standard distribution channels.16-WFQFN Exposed Pad4.482 In Stock$2.32ACTIVERFQ
RTQ2103AGSP-QADC-DC Switching RegulatorsThe RTQ2103AGSP-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2103AGSP-QA is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width) Exposed Pad12.000 In Stock$2.10ACTIVERFQ
RTQ2104BGSP-QADC-DC Switching RegulatorsThe RTQ2104BGSP-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2104BGSP-QA is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width) Exposed Pad10.971 In Stock$3.22ACTIVERFQ
RTQ2104GSP-QADC-DC Switching RegulatorsThe RTQ2104GSP-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 8-SOIC (0.154", 3.90mm Width) Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2104GSP-QA is currently in active production through Richtek USA's standard distribution channels.8-SOIC (0.154", 3.90mm Width) Exposed Pad6.345 In Stock$2.41ACTIVERFQ
RTQ2115AGQWT-QADC-DC Switching RegulatorsThe RTQ2115AGQWT-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 32-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2115AGQWT-QA is currently in active production through Richtek USA's standard distribution channels.32-WFQFN Exposed Pad4.500 In Stock$4.30ACTIVERFQ
RTQ2117AGQVT-QADC-DC Switching RegulatorsThe RTQ2117AGQVT-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 32-WFQFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2117AGQVT-QA is currently in active production through Richtek USA's standard distribution channels.32-WFQFN Exposed Pad4.350 In Stock$4.08ACTIVERFQ
RTQ2131B-50GQW-QADC-DC Switching RegulatorsThe RTQ2131B-50GQW-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 10-WFDFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2131B-50GQW-QA is currently in active production through Richtek USA's standard distribution channels.10-WFDFN Exposed Pad3.972 In Stock$3.13ACTIVERFQ
RTQ2131BGQW-QADC-DC Switching RegulatorsThe RTQ2131BGQW-QA is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 125°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 10-WFDFN Exposed Pad package and is rated for operation across -40°C ~ 125°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2131BGQW-QA is currently in active production through Richtek USA's standard distribution channels.10-WFDFN Exposed Pad3.813 In Stock$3.88ACTIVERFQ
RTQ2134GQWTF-21-QA-00DC-DC Switching RegulatorsThe RTQ2134GQWTF-21-QA-00 is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 150°C (TJ) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount, Wettable Flank component is supplied in a 30-PowerWFQFN package and is rated for operation across -40°C ~ 150°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2134GQWTF-21-QA-00 is currently in active production through Richtek USA's standard distribution channels.30-PowerWFQFN4.500 In Stock$5.77ACTIVERFQ
RTQ2134GQWTF-22-QA-01DC-DC Switching RegulatorsThe RTQ2134GQWTF-22-QA-01 is a DC-DC converter manufactured by Richtek USA. Technical highlights include -40°C ~ 150°C (TJ) operating temperature; design review should confirm input voltage, output voltage, load current, buck or boost topology when applicable, and thermal operating temperature limits. This Surface Mount, Wettable Flank component is supplied in a 30-PowerWFQFN package and is rated for operation across -40°C ~ 150°C (TJ). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the RTQ2134GQWTF-22-QA-01 is currently in active production through Richtek USA's standard distribution channels.30-PowerWFQFN4.500 In Stock$6.58ACTIVERFQ

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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