Renesas R5F526TBBDFM#30

Overview

R5F526TBBDFM#30 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 interface, and hardware-accelerated 3-phase complementary PWM with dead-time control. It supports IEC60730 Class B safety compliance and operates across –40°C to +85°C.

For engineers reviewing the R5F526TBBDFM#30 datasheet, R5F526TBBDFM#30 pinout, R5F526TBBDFM#30 application, or R5F526TBBDFM#30 equivalent, key selection criteria include its 120 MHz GPTWa timer with 10-channel single-phase complementary PWM, 260 ps HRPWM timing resolution, dual-bank flash for safe firmware updates, Trusted Secure IP Lite encryption, and 83-pin PLQP0100KB-B (14 × 14 mm) QFP package with 5-V tolerant I/Os.

Technical Context

The R5F526TBBDFM#30 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching in real-time motor control loops. Its clock system integrates PLL, 240-kHz LOCO, and 120-kHz IWDT-dedicated oscillator, enabling independent domain clocking: ICLK up to 120 MHz, PCLKA up to 120 MHz (for MTU/GPTW/HRPWM), PCLKB up to 60 MHz, and ADCLK up to 60 MHz.

Peripheral coordination is managed via Event Link Controller (ELC), supporting 183 internal event signals to trigger timer starts/stops, A/D conversion triggers, or port output changes without CPU intervention-critical for deterministic timing in field-oriented control (FOC) and sensorless BLDC commutation. The device includes dedicated hardware accelerators: TFUv2 for trigonometric functions, CRCA for CRC generation, and MPU with eight configurable protection regions.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 × 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 R5F526TBBDFM#30, R5F526TADFM#30 reduces memory and peripheral count for compact inverters, while R5F566TEBDFM#30 extends real-time capability with higher clock speed, larger memory, and dual CAN FD-making it suitable for networked industrial automation where R5F526TBBDFM#30 serves as the proven baseline for standalone motor control.

Availability

R5F526TBBDFM#30 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 assurance, and full traceability.

Supply support for R5F526TBBDFM#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 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 R5F526TBBDFM#30-is designed specifically for high-efficiency, safety-certifiable motor control in industrial and consumer inverters, integrating hardware accelerators, precision PWM, and functional safety features into a single 100-pin MCU.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBBDFM#30?

The R5F526TBBDFM#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point arithmetic, and collective register bank save for low-latency context switching-key for real-time motor control loops in the R5F526TBBDFM#30.

Does the R5F526TBBDFM#30 support IEC60730 Class B compliance out of the box?

Yes, the R5F526TBBDFM#30 includes multiple hardware features required for IEC60730 Class B: oscillation-stop detection, independent watchdog timer (IWDT) with window function, RAM test assist via DOC, CRC calculator (CRCA), register write protection, and self-diagnostic functions for ADC and comparator disconnection-all documented in the R5F526TBBDFM#30 datasheet and supported by Renesas' safety manual.

What package type and pin count does the R5F526TBBDFM#30 use?

The R5F526TBBDFM#30 uses the PLQP0100KB-B package: a 100-pin Low-Profile Quad Flat Package measuring 14 × 14 mm with 0.5 mm pitch and an exposed thermal pad. This package supports 83 general-purpose I/O pins-including 5-V tolerant, open-drain, and large-current drive options-as specified for the R5F526TBBDFM#30 in the RX26T Group datasheet.

How many PWM channels and what resolution does the R5F526TBBDFM#30 support for motor control?

The R5F526TBBDFM#30 provides 8-channel 32-bit GPTWa timers supporting up to 10 single-phase, 3 three-phase, or 2 five-phase complementary PWM outputs-with hardware dead-time insertion. It also integrates 4-channel HRPWM delivering minimum timing resolution of 260 ps at 120 MHz, enabling precise edge placement critical for high-efficiency inverter design in the R5F526TBBDFM#30.

Is CAN FD supported on the R5F526TBBDFM#30, and what standard does it comply with?

Yes, the R5F526TBBDFM#30 integrates one CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames with data rates up to 5 Mbps in FD mode. It includes hardware CRC calculation, bit-rate switching, and error confinement-making it suitable for real-time diagnostics and control messaging in motor drive systems using the R5F526TBBDFM#30.