Renesas R5F526TFBDNE#30

Overview

R5F526TFBDNE#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core, 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 R5F526TFBDNE#30 datasheet, R5F526TFBDNE#30 pinout, R5F526TFBDNE#30 application, or R5F526TFBDNE#30 equivalent, key selection criteria include its 120 MHz GPTWa timer with 10-channel single-phase complementary PWM, 260 ps HRPWM resolution, dual-bank flash for safe firmware updates, Trusted Secure IP Lite encryption, and 83-pin LQFP package with 5-V tolerant I/Os.

Technical Context

The R5F526TFBDNE#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. Its clock system integrates PLL, 240-kHz LOCO, and 120-kHz IWDT-dedicated oscillator - enabling independent timing domains (ICLK up to 120 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz).

Peripheral coordination is managed via Event Link Controller (ELC), supporting 183 internal event signals for interrupt-free inter-module triggering - critical for synchronous A/D conversion start, PWM waveform generation, and MTU3d/HRPWM timing alignment without CPU intervention.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin LQFP, 14 × 14 mm, 0.5 mm pitch, –40°C to +85°C operating range.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFBDNE#30, R5F526TDDNE#30 reduces flash/SRAM and eliminates one A/D unit and CAN FD, while R5F566TEBDFP#30 increases performance headroom and adds dual-motor support - making R5F526TFBDNE#30 the optimal balance of integrated motor peripherals, safety features, and 100-pin I/O scalability for mainstream industrial inverters.

Availability

R5F526TFBDNE#30 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC inverter systems, and automotive blower modules requiring stable component supply, long-term lifecycle support, and full IEC60730 Class B certification documentation.

Supply support for R5F526TFBDNE#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 - with over 40 years of embedded systems expertise.

The RX26T Group, including R5F526TFBDNE#30, was designed specifically for high-efficiency motor control in industrial inverters and appliance drives - integrating precision PWM, safety peripherals, and real-time computation in a single chip.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFBDNE#30?

The R5F526TFBDNE#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark in benchmark testing. This performance level enables real-time execution of complex motor control algorithms such as field-oriented control (FOC) and space-vector modulation without external co-processors. The RXv3 core's single-cycle instruction execution and integrated FPU further enhance deterministic timing for closed-loop systems.

Does the R5F526TFBDNE#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFBDNE#30 integrates a 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 provides dedicated TX/RX pins, message buffering, and error handling logic - enabling robust diagnostics and firmware updates over vehicle or industrial networks without requiring external CAN transceivers.

How many A/D converter channels does the R5F526TFBDNE#30 support, and what is its sampling capability?

The R5F526TFBDNE#30 includes three 12-bit S12ADH A/D converter units totaling 22 channels: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels). Each unit features dedicated sample-and-hold circuits, and all support simultaneous sampling triggered by MTU3d or GPTWa timers - achieving 0.9 µs minimum conversion time per channel at 60 MHz ADCLK.

What safety certifications and built-in functions does the R5F526TFBDNE#30 support for IEC60730 compliance?

The R5F526TFBDNE#30 includes multiple hardware features required for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), register write protection, memory protection unit (MPU), and Trusted Memory (TM) for secure code execution. These functions enable automated self-tests during startup and runtime - reducing software validation effort and accelerating certification.

What is the package type and pin count of the R5F526TFBDNE#30?

The R5F526TFBDNE#30 uses the PLQP0100KB-B package: a 100-pin LQFP measuring 14 × 14 mm with 0.5 mm pitch. It provides 83 general-purpose I/O pins - including 2× 5-V tolerant inputs, 15× high-current outputs, and dedicated pins for CAN FD, MTU3d, GPTWa, and A/D triggers - optimized for compact inverter PCB layouts with minimal external components.