Renesas QB-144GJ-YQ-01T

Overview

QB-144GJ-YQ-01T from Renesas Electronics is an emulator connector (EC) designed for debugging and on-board evaluation of RH850/D1x-series MCUs in 144-pin 0.5-mm-pitch LFQFP (PLQP0144KA-A) packages. It provides mechanical alignment and electrical interface between the target connector (TC) and exchange adapter (RTE7701422CFK144T000R), supporting up to 100 insertion/removal cycles with YQ guide screws and 0.054 Nm max torque.

For engineers reviewing the QB-144GJ-YQ-01T datasheet, QB-144GJ-YQ-01T pinout, QB-144GJ-YQ-01T application, or QB-144GJ-YQ-01T equivalent, this component is critical for establishing reliable, repeatable debug connections during RH850/D1x hardware validation - especially where precise socket height adjustment, flux containment, and alignment-guided TC mounting are required.

Technical Context

The QB-144GJ-YQ-01T functions as a rigid, non-repairable mechanical interface that secures the emulator connector to the target connector using four YQ guide screws. It interfaces exclusively with QB-144GJ-NQ-01T (TC) and RTE7701422CFK144T000R (exchange adapter), forming part of a multi-component debug stack for Renesas RH850/D1x evaluation.

It enables two distinct use modes: (1) debugging via pod–EA–EC–TC–MCU chain, and (2) on-board evaluation with MA and flash-based MCU. Its design accommodates height adjustment via QB-144GJ-YS-01T (SA), and requires adherence to strict torque (≤0.054 Nm) and soldering conditions (reflow ≤10 s at 260°C).

Key Specifications

Availability

QB-144GJ-YQ-01T is available at Aetrix Electronics and suitable for RH850/D1x MCU development, automotive ECU prototyping, and industrial embedded controller evaluation requiring stable component supply and traceable sourcing for production-grade debug infrastructure.

Supply support for QB-144GJ-YQ-01T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog & power devices, and system solutions for automotive, industrial, and IoT applications.

QB-144GJ-YQ-01T belongs to Renesas' official RH850 debug hardware ecosystem - engineered specifically to enable robust, repeatable, and standards-compliant JTAG/SWD-based debugging of high-reliability automotive MCUs.

FAQ

What is the primary function of the QB-144GJ-YQ-01T in the RH850/D1x debug setup?

The QB-144GJ-YQ-01T serves as the emulator connector (EC) that physically and electrically bridges the target connector (TC) mounted on the MCU board and the exchange adapter (RTE7701422CFK144T000R). It ensures precise alignment using four YQ guide screws and maintains signal integrity during JTAG/SWD debugging sessions for RH850/D1x devices. The QB-144GJ-YQ-01T is not a standalone IC or passive component - it is a purpose-built mechanical interface within Renesas' certified debug toolchain.

Is QB-144GJ-YQ-01T compatible with other MCU families beyond RH850/D1x?

No - QB-144GJ-YQ-01T is explicitly designed for use with RH850/D1x-series MCUs packaged in 144-pin 0.5-mm-pitch LFQFP (PLQP0144KA-A). Its mechanical dimensions, guide pin locations, and interface tolerances are optimized for that specific package and debug stack. Using QB-144GJ-YQ-01T with non-RH850/D1x targets may result in misalignment, insufficient contact pressure, or physical interference.

Does QB-144GJ-YQ-01T include the YQ guides, and how are they used?

Yes - the QB-144GJ-YQ-01T package includes four YQ guides, as confirmed in the official documentation. These guides are installed at the four corners of the emulator connector to align and secure it onto the target connector (QB-144GJ-NQ-01T). They must be tightened with a torque-limited driver to ≤0.054 Nm to prevent deformation or contact failure. The YQ guides are integral to achieving repeatable, low-defect debug connections.

Can QB-144GJ-YQ-01T be used without the space adapter (QB-144GJ-YS-01T)?

Yes - QB-144GJ-YQ-01T operates independently of QB-144GJ-YS-01T (space adapter). The SA is optional and only required when socket height adjustment is needed between the EC and exchange adapter. Without the SA, QB-144GJ-YQ-01T mates directly with the RTE7701422CFK144T000R at its nominal height. The SA adds 3.2 mm of vertical spacing, but QB-144GJ-YQ-01T itself does not incorporate or require it.

What are the soldering requirements for the target connector (TC) when used with QB-144GJ-YQ-01T?

The target connector (QB-144GJ-NQ-01T) - which QB-144GJ-YQ-01T mounts onto - must be soldered using reflow ≤10 seconds at 260°C or manual soldering ≤5 seconds at 350°C per pin. Flux must not be removed by immersion or vapor treatment. QB-144GJ-YQ-01T itself is not soldered; it is a mechanical assembly component. Proper TC soldering ensures stable mechanical registration for QB-144GJ-YQ-01T guide engagement and reliable debug signal transmission.