RTL9220DP - 20Gbps USB to Dual NVMe/SATA Bridge | Realtek
부품 번호: RTL9220DP ✓ 활성| 수량 | 단가 | 합계 |
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| 1 | $0 | $0.00 |
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RTL9220DP 개요
A USB-to-storage bridge controller is an interface IC that translates host-side USB commands and signals into storage-side protocols. The RTL9220DP belongs to the USB interface controller and storage bridge hierarchy, allowing a compact external product to support both NVMe PCIe SSDs and SATA SSDs. Its dual-port architecture gives system designers a single controller platform for multi-drive storage products.
Key features include a USB 3.2 Gen2x2 interface with 20Gbps bandwidth, support for PCIe 3.0 x4 NVMe 1.3 SSDs, and support for SATA Gen3 SSDs at up to 6Gbps per port. The controller also provides Type-C connectivity and storage configurations including JBOD, RAID0, and RAID1. RAID0 prioritizes throughput by distributing data across drives, while RAID1 mirrors data between two drives for redundancy.
The RTL9220DP is intended for systems requiring multiple high-speed storage devices behind one USB connection. Its 10mm x 10mm 88-pin QFN package is suitable for compact portable storage products, while the supported PCIe and SATA interfaces allow one design family to address both NVMe and SATA media. Product implementations must still validate signal integrity, power delivery, thermal behavior, and device compatibility.
Typical applications include external M.2 NVMe SSD enclosures, portable SSD duplicators, multi-bay flash drives, USB-C docking stations, and dual-port card readers. The product is particularly relevant where a host system needs 20Gbps USB connectivity and flexible support for NVMe and SATA storage devices.
Designers should preserve the controller's required power, high-speed differential routing, grounding, and thermal-management requirements. M.2 SSD heat can elevate enclosure temperatures, so the bridge layout should provide adequate copper and airflow without disturbing the high-speed USB and storage signal paths. Firmware and host compatibility also require validation for each storage configuration.
This page consolidates the verified Realtek product information, interface capabilities, application positioning, and design-oriented selection guidance. It distinguishes documented functions from specifications that still require confirmation from the manufacturer datasheet or design validation.
드롭인 대체품: RTL9220DP — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: RTL9220DP (동일 폼 팩터 및 풋프린트) — 차이점: Product Type, Target Applications.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청RTL9220DP 사양
| Product Type | USB 3.2 Gen2x2 to dual-port PCIe/SATA storage bridge controller |
| USB Interface | USB 3.2 Gen2x2 |
| USB Maximum Bandwidth | 20Gbps |
| PCIe Support | PCIe 3.0 x4 |
| NVMe Support | NVMe 1.3 |
| SATA Support | SATA Gen3 |
| SATA Maximum Bandwidth | 6Gbps per port |
| Storage Port Count | 2 |
| Storage Modes | JBOD, RAID0, RAID1 |
| Connector Support | USB Type-C |
| 패키지 | 88-pin QFN |
| Package Dimensions | 10mm x 10mm |
| 실장 유형 | Surface mount |
| Target Applications | Portable SSD duplicators, flash drives, enclosures, card readers, docking stations |
| AEC-Q100 Status | not_applicable |
RTL9220DP 10mm x 10mm 핀 구성 가이드
RTL9220DP(10mm x 10mm 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.
다음에 대한 상세 핀아웃 데이터 없음: RTL9220DP.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
RTL9220DP 적합 용도: 7 애플리케이션s: Portable M.2 NVMe SSD Enclosure, Dual-Drive SSD Duplicator, USB-C Flash Drive, USB-C Docking Station, USB Dual-Port Card Reader, External Storage Expansion System, High-Speed Portable Storage Test Platform.
Portable M.2 NVMe SSD Enclosure
The RTL9220DP fits a compact external enclosure that connects an M.2 NVMe SSD through USB Type-C. Its verified USB 3.2 Gen2x2 interface provides up to 20Gbps of host-side bandwidth, while PCIe 3.0 x4 and NVMe 1.3 support target high-speed solid-state storage. A product using this controller should provide careful USB differential routing, stable SSD power, connector signal integrity, and thermal management because NAND storage and the bridge controller can generate heat inside a small enclosure. The verified sources identify portable high-speed SSD duplicators and flash drives as intended applications, making this controller relevant for an enclosure where the SSD is the primary external storage device.
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Dual-Drive SSD Duplicator
The RTL9220DP is suitable for a portable SSD duplicator because it bridges two storage ports and supports JBOD, RAID0, and RAID1. JBOD provides bulk storage visibility, RAID0 is intended to improve read and write performance across drives, and RAID1 mirrors data between dual disks. A duplicator product must define how source and destination drives are identified, how capacity mismatches are handled, and how the user confirms destructive copy operations. The controller's 20Gbps USB interface can keep the host-side path fast, while the final throughput will depend on the selected SSDs, cable, host, firmware, and enclosure cooling.
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USB-C Flash Drive
RTL9220DP can support a high-speed USB-C flash-drive or external storage product when the design needs flexible NVMe and SATA media support. The verified Realtek information identifies flash drives as an application and confirms USB Type-C connectivity, PCIe 3.0 x4 NVMe 1.3, and SATA Gen3 support. In a compact flash-drive enclosure, the controller choice should be balanced against SSD power consumption, sustained-write thermal behavior, connector mechanics, and expected host compatibility. JBOD can expose multiple attached devices, while RAID0 or RAID1 should be selected only when the product firmware clearly defines their capacity, protection, and recovery behavior.
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USB-C Docking Station
The RTL9220DP can add high-speed external storage to a USB-C docking station by bridging the host connection to one or two attached SSDs. Its USB 3.2 Gen2x2 interface is documented at up to 20Gbps, and the storage side supports both NVMe and SATA, allowing one platform family to address different drive types. In a dock, designers must plan USB-C lane allocation, Power Delivery coexistence, ESD protection, device detection, and heat dissipation around both the bridge and SSDs. The verified Realtek announcement identifies docking stations as a target application, but final support for specific SSDs and operating systems requires product-level validation.
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USB Dual-Port Card Reader
The RTL9220DP is relevant to a USB dual-port storage product because it provides a single high-speed storage-bridge platform for two attached storage devices. Its NVMe and SATA support allows the enclosure or reader to cover more than one SSD interface, while JBOD, RAID0, and RAID1 provide distinct storage behaviors. A product designer should verify whether the target card-reader form factor has enough power and thermal capacity for two SSDs, and should implement safeguards so that an unplugged drive cannot cause data corruption or an uncontrolled mode change. USB Type-C support makes the controller appropriate for modern compact accessories, subject to connector and host validation.
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External Storage Expansion System
The RTL9220DP is useful for an external storage expansion system that needs one USB-C connection to manage two SSDs. The controller's verified PCIe 3.0 x4 and SATA Gen3 support lets the system address NVMe 1.3 and SATA media, while RAID0 can target throughput and RAID1 can target redundancy. The enclosure should include adequate SSD power delivery, thermal paths, and airflow because sustained transfers can expose both the controller and NAND to elevated temperature. Product firmware should define device initialization, failed-drive behavior, rebuild expectations, and safe removal. The exact storage performance is limited by the slowest supported interface and the host environment.
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High-Speed Portable Storage Test Platform
RTL9220DP can serve as the basis of a portable test platform for validating NVMe and SATA storage behavior across a USB-C connection. Its documented 20Gbps USB 3.2 Gen2x2 interface, dual-port bridge capability, and RAID modes make it useful for controlled throughput, redundancy, and media-compatibility experiments. A test platform should include instrumentation for link speed, drive enumeration, sustained transfer behavior, temperature, and power consumption. Because the supplied verified data does not include detailed electrical limits, pin assignments, or supported operating systems, the platform should begin with prototype validation against the complete manufacturer documentation rather than production release.
추천
엔지니어링 참조 데이터: RTL9220DP — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Product Type | USB 3.2 Gen2x2 to dual-port PCIe/SATA storage bridge controller |
| Brand | Realtek |
| Package | 88-pin QFN, 10mm x 10mm |
| USB Interface | USB 3.2 Gen2x2 |
| Maximum USB Bandwidth | 20Gbps |
| PCIe Support | PCIe 3.0 x4 |
| NVMe Support | NVMe 1.3 |
| SATA Support | SATA Gen3, up to 6Gbps per port |
| Storage Ports | 2 |
| Storage Modes | JBOD, RAID0, RAID1 |
| Connector Support | USB Type-C |
| Verified Drop-In Alternatives | 0 |
주요 차별점
- 20Gbps host-side storage connectivity (vs Generic USB 10Gbps storage bridge)
- One controller for NVMe and SATA media (vs Single-protocol USB-to-SATA bridge)
- Integrated dual-drive management (vs Single-drive USB storage bridge)
- Compact surface-mount integration (vs Larger bridge implementation)
설계 노트
Route the USB 3.2 Gen2x2 differential pair and storage-side high-speed interfaces as controlled-impedance lines on a low-loss PCB stack-up. Keep the USB-C connector, protection devices, bridge controller, and test points arranged so that return paths are continuous and connector launches are minimized. The verified source specifies a 20Gbps host interface, but it does not provide trace-length, impedance, via, or connector-routing values; obtain the Realtek hardware design guidance before finalizing layout.
Provide a continuous heat-spreading path from the 10mm x 10mm 88-pin QFN and the SSD to the enclosure structure, while avoiding thermally isolated copper islands. Validate sustained sequential transfers because RAID0, RAID1, and long duplicator jobs can maintain high workload duration. Use the controller and SSD temperature limits from the complete manufacturer documentation when available; no verified maximum junction temperature, thermal resistance, or power dissipation figures were supplied here.
Treat the bridge as a multi-protocol storage controller rather than a simple USB peripheral. Separate USB, PCIe, SATA, power, and ground paths appropriately, place required decoupling close to the device pins, and keep noisy power-conversion stages away from storage and USB receive regions. The package has 88 pins and an exposed pad may be required, but the supplied data does not include the exact pad layout or pin functions; do not copy a generic 88-pin land pattern without the official drawing.
Do not assume that a bridge advertised for 20Gbps USB will deliver 20Gbps to every SSD. The observed result can be limited by the USB host, Type-C cable, SATA 6Gbps ceiling, SSD speed, RAID mode, firmware, thermal throttling, or device pairing. Also do not treat RAID1 as a backup system without defining recovery behavior, and do not treat the verified Realtek announcement as a substitute for a complete RTL9220DP datasheet, pinout, or electrical-limit document.
규정 준수 정보
The supplied verified sources describe product functionality and applications but do not provide RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification statements. These fields remain unknown rather than inferred.
