Renesas R5F526TFCGND#50

Overview

R5F526TFCGND#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 512 KB code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD interface, and high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and includes hardware encryption (AES-128/256), FPU, and dual-bank flash for safe firmware updates.

For engineers reviewing the R5F526TFCGND#50 datasheet, R5F526TFCGND#50 pinout, R5F526TFCGND#50 application, or R5F526TFCGND#50 equivalent, key selection criteria include its 100-pin LFQFP package, 3-phase/5-phase complementary PWM capability, simultaneous sampling across three 12-bit A/D units, on-chip temperature sensor (±1.0°C), and Trusted Secure IP Lite for secure boot and key management.

Technical Context

The R5F526TFCGND#50 implements the RXv3 CPU core with single-cycle instruction execution, 113 instructions, IEEE 754-compliant FPU, and collective register bank save for fast context switching. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated 120 kHz oscillator - enabling independent domain clocking (ICLK up to 120 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz).

Peripheral coordination is managed via Event Link Controller (ELC) with 183 internal event signals, allowing interrupt-free inter-module triggering (e.g., MTU3d or GPTWa initiating A/D conversion). Safety features include MPU, Trusted Memory (TM), register write protection, CRCA, and oscillation-stop detection - all aligned with IEC60730 Class B requirements.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package (LFQFP), 14 mm × 14 mm body, 0.5 mm lead 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 R5F526TFCGND#50, R5F526TDDGND#50 offers identical package and peripheral set but reduced memory and A/D capacity for streamlined cost optimization, while R5F523T5DDFK#30 represents a generational step down in performance, safety features, and interface bandwidth - suitable only for non-safety-critical, low-complexity motor control.

Availability

R5F526TFCGND#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and industrial PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for R5F526TFCGND#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 headquartered in Tokyo, Japan, delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.

The RX26T Group - including R5F526TFCGND#50 - is engineered specifically for high-performance, safety-certifiable motor control in industrial and consumer inverters, integrating precision PWM, real-time analog acquisition, and hardware security in a single chip.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFCGND#50?

The R5F526TFCGND#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark in benchmark testing. This performance stems from its RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and optimized pipeline architecture - enabling deterministic real-time response in motor control loops. The R5F526TFCGND#50 sustains this speed across code flash and SRAM with zero wait states.

Does the R5F526TFCGND#50 support IEC60730 Class B compliance out of the box?

Yes, the R5F526TFCGND#50 includes hardware features required for IEC60730 Class B: oscillation-stop detection, A/D disconnection monitoring, clock accuracy measurement circuit, independent watchdog timer (IWDTa) with window function, RAM test-assisting function via DOC, and register write protection. These are implemented in silicon and documented in Renesas Application Note R01AN4249JJ0100 - no external components are needed to satisfy core self-test requirements for R5F526TFCGND#50-based designs.

What PWM resolution and complementary output capabilities does the R5F526TFCGND#50 provide?

The R5F526TFCGND#50 delivers 260 ps minimum resolution via its 4-channel HRPWM block, synchronized to GPTWa timers running at 120 MHz. It supports single-phase (10 outputs), 3-phase (3 outputs), and 5-phase (2 outputs) complementary PWM modes with automatic dead-time insertion, non-overlapping waveform enforcement, and hardware-initiated output disable on fault (via POEG). This enables robust gate driving for SiC/GaN inverters without software intervention.

How many A/D converter channels and sample-and-hold units does the R5F526TFCGND#50 include?

The R5F526TFCGND#50 includes three independent 12-bit A/D units (S12ADH): Unit 0 (4 channels, 3 sample-and-hold circuits), Unit 1 (4 channels, 3 sample-and-hold circuits), and Unit 2 (14 channels, no dedicated sample-and-hold). This configuration allows true simultaneous sampling across up to 11 channels (Unit 0 + Unit 1) plus additional channels from Unit 2 - critical for synchronized current/voltage/temperature acquisition in vector-controlled motors using the R5F526TFCGND#50.

Is CAN FD supported on the R5F526TFCGND#50, and what standards does it comply with?

Yes, the R5F526TFCGND#50 integrates one CAN FD module compliant with ISO 11898-1:2015, supporting both standard (11-bit) and extended (29-bit) frame formats, bit rates up to 5 Mbps in FD mode, and payload lengths up to 64 bytes. It includes dedicated TX/RX pins, error counters, loopback mode, and message object buffers - enabling robust communication in electric vehicle auxiliary systems and industrial networks where the R5F526TFCGND#50 serves as a node controller.