Fitipower JD6625 E-Marker: Compact Integration for 240 W EPR and High-Speed USB Type-C Cables
USB Type-C cable development must balance power capability, data performance, and the limited space inside the connector. Alongside conductors, connectors, and signal routing, accurate cable identification is an important part of a high-specification design. Integrating identification circuitry and supporting components helps simplify the connector PCB.
The Fitipower JD6625 is an E-Marker IC for USB Type-C cables, supporting PD 3.1 EPR 240 W and 80 Gbps cable applications as well as Thunderbolt 3/4-compatible cable designs. Integrated Ra resistors and isolation diodes, together with a 1.6 × 1.6 mm TDFN-4L package, provide a compact identification solution for high-power charging and high-speed data cables.
Key Features and Specifications
| Parameter | JD6625 Specification or Function |
|---|---|
| Product type | USB Type-C E-Marker cable-identification IC |
| Power-capability support | PD 3.1 EPR cable applications up to 240 W |
| High-speed cable support | Identification for cable capabilities up to 80 Gbps |
| Compatible applications | Thunderbolt 3/4 cable designs |
| Integrated components | Ra resistors and isolation diodes |
| Package | TDFN-4L |
| Package dimensions | 1.6 × 1.6 mm |
| USB-IF reference identifiers | TID: 12068; XID: 0016373 |
Cable Identification for PD 3.1 EPR Designs
The JD6625 supports identification in PD 3.1 EPR cable designs rated up to 240 W. Its role is to communicate cable-capability information, helping connected equipment determine appropriate operating conditions. Identification can therefore be planned together with conductor selection, connector design, and electrical validation.
An E-Marker reports cable information; it is not a power converter that directly delivers 240 W. Actual power transfer depends on the source, receiving device, and cable assembly. The reported capability should match the finished cable and be checked through connection and load testing.
Identification for High-Speed and Thunderbolt-Compatible Cables
Support for 80 Gbps cable applications and Thunderbolt 3/4-compatible cable designs allows developers to plan identification for different high-performance product requirements. Power and data targets should be defined separately before selecting the final cable configuration.
Cable identification and high-speed signaling perform different roles. The E-Marker reports capabilities, while the host, peripheral, and complete cable signal path determine data performance. Validate the intended high-speed mode and Thunderbolt compatibility with suitable equipment rather than treating one IC specification as a guarantee for every connection.
Integrated Ra and Isolation Diodes Reduce External Parts
The JD6625 integrates Ra resistors and isolation diodes, reducing the need for corresponding discrete components. This can simplify component placement, solder connections, and routing inside a space-constrained USB-C connector.
Review the reference circuit to identify which functions are already integrated and which external components remain necessary. Retain the required supply, decoupling, and protection circuitry. A consolidated design also makes the BOM and assembly configuration easier to coordinate during production planning.
A 1.6 × 1.6 mm Package for Compact Connector PCBs
The TDFN-4L package measures 1.6 × 1.6 mm, providing a small footprint for cable-identification electronics. Combined with the integrated supporting components, it gives designers more flexibility when fitting the circuit into the connector structure.
Use the manufacturer package drawing for land-pattern design, then coordinate routing with wire attachment, shielding, overmolding, and mechanical retention. Planning electronics and connector construction together helps identify space and manufacturing constraints earlier.
Coordinate Certification Information with Cable Validation
JD6625 product information provides USB-IF reference identifiers TID 12068 and XID 0016373. Engineering and quality teams can use these references when checking the corresponding documentation, device configuration, and qualification scope.
The finished cable must still be evaluated for its declared power and data capabilities. Identification readback, power negotiation, and high-speed testing should use the intended cable, connectors, and production configuration, with results retained for traceability.
From Requirements to Production Checks
Begin with the target power capability, data performance, and compatible equipment. Confirm the device version, package, and reference circuit, then complete the connector PCB and mechanical design. Verify the reported cable information, test power and data performance separately, and establish final-product checks and configuration control.
With its compact package and integrated Ra resistors and isolation diodes, the Fitipower JD6625 offers an identification option for high-power USB-C charging cables, high-speed data cables, and Thunderbolt-compatible applications. It provides a focused starting point for teams seeking fewer external components and greater connector-layout flexibility.
Contact AENEAS Electronics
Contact AENEAS Electronics Co., Ltd. for Fitipower JD6625 product information, sample inquiries, and application selection for high-power and high-speed USB Type-C cable designs.
Product specifications, qualification scope, and operating conditions are subject to the latest manufacturer documentation and finished-cable validation.