Renesas R5F526TFDDNE#30

Overview

R5F526TFDDNE#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 timing resolution.

For engineers reviewing the R5F526TFDDNE#30 datasheet, R5F526TFDDNE#30 pinout, R5F526TFDDNE#30 application, or R5F526TFDDNE#30 equivalent, this MCU delivers deterministic real-time control for brushless DC and permanent magnet synchronous motor drives, with IEC60730-compliant safety features, on-chip FPU, and simultaneous sampling across three 12-bit A/D units.

Technical Context

The R5F526TFDDNE#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 motor control interrupt routines. Its clock system supports 8–24 MHz external crystal input to PLL, generating up to 120 MHz ICLK while independently configuring PCLKA (120 MHz), PCLKB (60 MHz), PCLKC (120 MHz), and PCLKD (60 MHz) for peripheral domains.

Real-time motor control is enabled by tightly coupled peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) provide synchronized PWM output with dead-time insertion and phase-counting; HRPWM achieves 260 ps edge placement resolution; S12ADH supports simultaneous sampling across three units (4+4+14 channels); and ELC enables CPU-free inter-module event chaining for deterministic timing.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 mm × 14 mm body, 0.5 mm 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 R5F526TFDDNE#30, the R5F526TADDFP#30 offers identical architecture and peripheral functionality in a smaller footprint but sacrifices I/O count and CAN FD capability; the R5F523T5DDFP#30 provides basic motor control at lower cost and power but lacks HRPWM, FPU, and IEC60730 compliance features essential for high-performance inverters.

Availability

R5F526TFDDNE#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and automotive auxiliary systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for R5F526TFDDNE#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group, including R5F526TFDDNE#30, was designed specifically for high-efficiency, high-precision motor control in industrial and consumer inverters, integrating hardware acceleration for FOC algorithms and functional safety features aligned with IEC60730 Class B.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFDDNE#30?

The R5F526TFDDNE#30 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, on-chip 32-bit multiplier/divider, and barrel shifter. The R5F526TFDDNE#30 sustains full-speed operation across all memory and peripheral interfaces without wait states, enabling deterministic real-time motor control loop execution.

Does the R5F526TFDDNE#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFDDNE#30 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frame formats. It enables data rates up to 5 Mbps in FD mode while maintaining backward compatibility with classical CAN networks. The R5F526TFDDNE#30 uses dedicated CANFD_TX and CANFD_RX pins routed to the PLQP0100KB-B package's 100-pin layout, with configurable bit timing and error handling registers accessible via the CANFD peripheral registers.

How many A/D converter channels does the R5F526TFDDNE#30 support, and what is its sampling architecture?

The R5F526TFDDNE#30 supports 22 total A/D input channels across three independent 12-bit S12ADH units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), each with dedicated sample-and-hold circuitry. It achieves simultaneous sampling across all three units using synchronized trigger sources such as MTU3d or GPTWa outputs. The R5F526TFDDNE#30 guarantees a minimum conversion time of 0.9 µs per channel when ADCLK runs at 60 MHz, enabling high-fidelity current and voltage capture in fast-switching inverters.

What PWM capabilities does the R5F526TFDDNE#30 offer for motor control applications?

The R5F526TFDDNE#30 provides comprehensive PWM generation: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) deliver 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM with automatic dead-time insertion. Its HRPWM block achieves 260 ps minimum edge placement resolution at 120 MHz, allowing precise timing control for SiC/GaN gate drivers. The R5F526TFDDNE#30 also supports phase-counting, synchronous start/stop, and ELC-linked trigger events for deterministic waveform updates.

Is the R5F526TFDDNE#30 qualified for IEC60730 safety compliance, and which features enable it?

Yes, the R5F526TFDDNE#30 includes hardware features explicitly designed for IEC60730 Class B compliance: oscillation-stop detection, self-diagnostic A/D disconnection detection, clock frequency accuracy measurement circuit, independent watchdog timer (IWDTa) with window function, RAM test-assisting function via DOC, CRCA for data integrity, and register write protection. These capabilities are documented in the R01DS0407EJ0120 datasheet and validated in Renesas' safety manual. The R5F526TFDDNE#30 supports safe firmware updates via dual-bank flash and Trusted Memory protection for critical code sections.