Renesas R5F526TFDGND#30

Overview

R5F526TFDGND#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/5-phase complementary PWM generation with 260 ps HRPWM timing resolution.

For engineers reviewing the R5F526TFDGND#30 datasheet, R5F526TFDGND#30 pinout, R5F526TFDGND#30 application, or R5F526TFDGND#30 equivalent, this MCU delivers deterministic real-time motor control with IEC60730-compliant safety features, dual-bank flash for seamless firmware updates, and simultaneous sampling across three 12-bit A/D units - critical for field-oriented control (FOC) and sensorless BLDC commutation.

Technical Context

The R5F526TFDGND#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 interrupt-driven motor control loops. Its clock system supports independent PCLKA (up to 120 MHz), PCLKC (up to 120 MHz for timer reference), and PCLKD (up to 60 MHz for ADC) domains to decouple high-speed PWM timing from analog conversion timing.

It integrates dedicated motor control peripherals: GPTWa (8-channel 32-bit general PWM timer), MTU3d (9-channel 16-bit multifunction timer), HRPWM (4-channel high-resolution PWM with 260 ps minimum step), and POE3D/POEG for hardware-triggered output disable during fault conditions - all coordinated via the Event Link Controller (ELC) to eliminate CPU intervention in time-critical signal chains.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B (100-pin LQFP, 14 × 14 mm, 0.5 mm pitch). Pin count and I/O configuration match the 100-pin variant of the RX26T Group: 82 general-purpose I/O pins (5-V tolerant, open-drain, pull-up), 2 dedicated 5-V tolerant inputs, 15 large-current outputs, and dedicated pins for GPTW/MTU waveform outputs, CAN FD transceiver interface, and external crystal (8–24 MHz).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFDGND#30, the R5F526TDDGND#30 reduces memory and peripheral count for cost-sensitive compact designs, while the R5F566TEBGFP#30 extends performance headroom for demanding servo applications - neither is pin-compatible, but both share the RXv3 ISA and toolchain compatibility.

Availability

R5F526TFDGND#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 across extended product lifecycles.

Supply support for R5F526TFDGND#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 management solutions for industrial, automotive, and IoT markets.

The RX26T Group, including R5F526TFDGND#30, was designed specifically for high-efficiency, safety-certifiable motor control in inverters - integrating precision PWM, synchronized analog capture, and IEC60730-ready safety logic on a single die.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFDGND#30?

The R5F526TFDGND#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark points under benchmark conditions. This performance level enables real-time execution of complex field-oriented control (FOC) algorithms with sub-microsecond loop times. The RXv3 core's single-cycle instruction execution and integrated FPU ensure deterministic timing for motor control tasks in the R5F526TFDGND#30.

Does the R5F526TFDGND#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFDGND#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 is designed for high-bandwidth motor telemetry and diagnostics in industrial and automotive applications. The CAN FD peripheral in the R5F526TFDGND#30 includes message filtering, FIFO buffering, and error counters for robust communication.

How many A/D converter channels does the R5F526TFDGND#30 support, and what is their architecture?

The R5F526TFDGND#30 supports 22 total 12-bit A/D channels across three S12ADH units: two units with 4 channels each (each including 3 sample-and-hold circuits), and one unit with 14 channels. This architecture enables true simultaneous sampling across up to three phases - a key requirement for accurate vector control. All channels in the R5F526TFDGND#30 operate with a minimum conversion time of 0.9 µs at 60 MHz ADCLK.

What safety certifications and features does the R5F526TFDGND#30 include for IEC60730 compliance?

The R5F526TFDGND#30 includes hardware-assisted IEC60730 Class B compliance features: oscillation-stop detection, A/D disconnection detection, clock accuracy measurement circuit, independent watchdog timer (IWDT) with window function, RAM test assist via DOC, CRCA for data integrity, and register write protection. These features reduce software certification burden and are documented in Renesas' IEC60730 safety manual for the RX26T Group - applicable directly to the R5F526TFDGND#30.

What package type and pin count does the R5F526TFDGND#30 use?

The R5F526TFDGND#30 uses the PLQP0100KB-B package: a 100-pin LQFP measuring 14 × 14 mm with 0.5 mm pitch. It provides 82 general-purpose I/O pins (5-V tolerant), 2 dedicated 5-V tolerant inputs, and 15 large-current outputs - matching the highest-pin-count variant of the RX26T family. This package is specified for the R5F526TFDGND#30 in Renesas' official datasheet R01DS0407EJ0120.