Renesas R5F526TFADFN#30

Overview

R5F526TFADFN#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and power conversion, featuring 120 MHz operation, 512 KB on-chip code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD, and 4-channel high-resolution PWM with 260 ps timing resolution. It targets inverter drives, industrial servo systems, and digital power supplies requiring real-time precision and functional safety support.

For engineers reviewing the R5F526TFADFN#30 datasheet, R5F526TFADFN#30 pinout, R5F526TFADFN#30 application, or R5F526TFADFN#30 equivalent, this page delivers verified specifications, package mapping to PWQN0064KF-A (9 × 9 mm QFN), confirmed peripheral capabilities including dual-bank flash, IEC60730-compliant self-test functions, and validated alternative MCUs for motor control migration paths.

Technical Context

The R5F526TFADFN#30 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and collective register bank save-enabling deterministic interrupt latency critical for field-oriented control (FOC) loops. Its clock architecture supports independent PCLKA (120 MHz), PCLKC (120 MHz for HRPWM/GPTW), and PCLKD (60 MHz for A/D), enabling concurrent high-speed PWM generation and analog acquisition without bus contention.

Hardware acceleration includes dedicated MTU3d (9-channel 16-bit timer) and GPTWa (8-channel 32-bit timer) with complementary PWM, dead-time insertion, and ELC-triggered A/D start-allowing synchronized current sensing and gate drive timing. The Trusted Secure IP Lite block provides AES-128/256, TRNG, and key isolation for secure firmware updates in connected motor drives.

Key Specifications

Pinout & Package

Packaged in PWQN0064KF-A: 64-pin HWQFN, 9 × 9 mm body, 0.5 mm pitch, exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFADFN#30, R5F526TAAFDN#30 reduces flash/SRAM and pin count for compact inverters, while R5F566TEADFP#30 extends real-time capability with EtherCAT and larger memory-making it ideal for networked motion control where deterministic Ethernet synchronization outweighs cost sensitivity.

Availability

R5F526TFADFN#30 is available at Aetrix Electronics and suitable for industrial servo drives, digital power supplies, home appliance inverters, and automotive HVAC blower control requiring stable component supply across long production lifecycles.

Supply support for R5F526TFADFN#30 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 is a global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT applications.

The RX26T Group is designed specifically for high-precision motor control and power conversion, integrating hardware-accelerated PWM, safety features, and real-time peripherals to replace discrete analog/mixed-signal solutions in inverter systems.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFADFN#30?

The R5F526TFADFN#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark points under benchmark conditions. This performance stems from its RXv3 CPU core with single-cycle instruction execution, on-chip FPU, and efficient memory subsystem-enabling fast execution of motor control algorithms like field-oriented control and predictive current regulation in the R5F526TFADFN#30.

Does the R5F526TFADFN#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFADFN#30 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames at data rates up to 5 Mbps. It includes dedicated TXD/RXD pins (CTX0/CRX0) for connection to external CAN FD transceivers and supports protocol-level features required for automotive and industrial diagnostics-making the R5F526TFADFN#30 suitable for real-time vehicle network communication.

What PWM resolution does the R5F526TFADFN#30 offer, and how is it applied in motor control?

The R5F526TFADFN#30 provides 4-channel High-Resolution PWM (HRPWM) with a minimum timing resolution of 260 ps at 120 MHz operation. This enables precise dead-time insertion and phase-shift control essential for SiC/GaN-based inverters. When used with GPTWa timers, the R5F526TFADFN#30 achieves sub-nanosecond edge placement accuracy-critical for minimizing shoot-through risk and optimizing efficiency in high-frequency motor drives.

How does the R5F526TFADFN#30 support IEC60730 functional safety compliance?

The R5F526TFADFN#30 includes multiple IEC60730 Class B–ready features: oscillation-stop detection, RAM test assist via DOC, CRC calculator (CRCA), register write protection, A/D disconnection monitoring, and clock accuracy measurement. These are implemented in hardware and documented in Renesas' safety manual-allowing system designers to implement certified self-test routines without external components, a key requirement for the R5F526TFADFN#30 in white-goods and industrial safety applications.

What package type and pin count does the R5F526TFADFN#30 use?

The R5F526TFADFN#30 uses the PWQN0064KF-A package: a 64-pin HWQFN with 9 × 9 mm body size, 0.5 mm pitch, and an exposed thermal pad. This package supports 83 general-purpose I/O pins (including 2 with 5-V tolerance), making it suitable for space-constrained motor control boards requiring high peripheral integration and thermal performance-the exact mechanical and electrical form factor specified for the R5F526TFADFN#30 in Renesas' official documentation.