Renesas R5F526TBDGFP#50

Overview

R5F526TBDGFP#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 512 KB on-chip code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD, dual 12-bit ADC units with simultaneous sampling, and 4-channel high-resolution PWM with 260 ps timing resolution.

For engineers reviewing the R5F526TBDGFP#50 datasheet, R5F526TBDGFP#50 pinout, R5F526TBDGFP#50 application, or R5F526TBDGFP#50 equivalent, this MCU delivers deterministic real-time control for 3-phase and 5-phase motor drives, supports IEC60730 safety compliance via hardware self-test features, and integrates Trusted Secure IP Lite for AES-128/256 encryption and true random number generation.

Technical Context

The R5F526TBDGFP#50 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and 16-register bank save for fast context switching-critical for hard real-time motor control loops. Its clock system combines an 8–24 MHz external crystal with PLL to generate 120 MHz ICLK, while PCLKA (120 MHz), PCLKC (120 MHz), and PCLKD (60 MHz) independently drive peripherals including GPTWa, HRPWM, and S12ADH.

Hardware acceleration includes MTU3d for 3-phase complementary PWM with automatic dead-time insertion, GPTWa for flexible waveform generation, and ELC for event-triggered peripheral coordination without CPU intervention-enabling synchronized A/D conversion triggers, PWM updates, and fault response within sub-microsecond latency.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-profile Quad Flat Package, 14 × 14 mm body, 0.5 mm pitch, exposed thermal pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar motor control MCU applications.

Compared with R5F526TBDGFP#50, the R5F526TADGFP#50 offers identical timing and peripheral compatibility at lower memory density, while the R5F566TKDGFP#50 delivers significantly higher PWM resolution and CPU performance but mandates full hardware requalification due to non-pin-compatible architecture.

Availability

R5F526TBDGFP#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC I/O modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TBDGFP#50 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 leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group is designed specifically for high-performance motor control applications, integrating precision PWM, synchronized analog acquisition, and functional safety features to replace discrete control architectures in inverters and servo drives.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBDGFP#50?

The R5F526TBDGFP#50 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It achieves 709 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point arithmetic, and 16 register bank save for rapid context switching-essential for deterministic motor control loops in the R5F526TBDGFP#50.

Does the R5F526TBDGFP#50 support CAN FD, and what standard does it comply with?

Yes, the R5F526TBDGFP#50 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frames. It enables data rates up to 5 Mbps in the FD phase and maintains backward compatibility with classical CAN networks-making the R5F526TBDGFP#50 suitable for modern automotive and industrial communication systems requiring high-bandwidth diagnostics and control messaging.

What analog peripherals are included in the R5F526TBDGFP#50 for motor current and voltage sensing?

The R5F526TBDGFP#50 includes two 12-bit S12ADH ADC units (21 total channels), six-channel CMPCa analog comparators, and two 12-bit R12DAb DACs. With three independent sample-and-hold circuits, it supports simultaneous sampling across motor phases-critical for accurate current reconstruction in FOC algorithms-and the DACs provide programmable references for comparator-based overcurrent detection in the R5F526TBDGFP#50.

How does the R5F526TBDGFP#50 support functional safety standards like IEC60730?

The R5F526TBDGFP#50 includes hardware features required for Class B compliance per IEC60730: oscillation-stop detection, RAM test-assisting function via DOC, CRC calculator (CRCA), register write protection, self-diagnostic ADC, and independent watchdog timer (IWDTa) with window function. These capabilities enable automated runtime checks without software overhead-ensuring safe operation in the R5F526TBDGFP#50 for household and industrial appliances.

What is the package type and thermal specification for the R5F526TBDGFP#50?

The R5F526TBDGFP#50 uses the PLQP0100KB-B package: a 100-pin LFQFP with 14 × 14 mm body, 0.5 mm pitch, and exposed thermal pad. It is rated for operation from –40°C to +85°C (D-version), with thermal resistance θJA ≈ 35°C/W under standard JEDEC conditions-enabling reliable deployment in enclosed industrial enclosures and automotive under-hood environments for the R5F526TBDGFP#50.