Renesas R5F526TFDGFM#30

Overview

R5F526TFDGFM#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 high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and operates across –40°C to +85°C.

For engineers reviewing the R5F526TFDGFM#30 datasheet, R5F526TFDGFM#30 pinout, R5F526TFDGFM#30 application, or R5F526TFDGFM#30 equivalent, key selection criteria include its 120 MHz GPTWa timer with 3-phase/5-phase complementary PWM, dual-bank flash for safe firmware updates, Trusted Secure IP Lite encryption, and dedicated hardware acceleration for trigonometric functions (TFUv2) used in field-oriented control (FOC).

Technical Context

The R5F526TFDGFM#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, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated 120 kHz oscillator - enabling precise timing separation between CPU (ICLK @ 120 MHz), peripheral modules (PCLKA @ 120 MHz), and A/D conversion (ADCLK @ 60 MHz).

Hardware safety features include MPU with eight configurable protection areas, Trusted Memory (TM) for secure code execution, CRCA for CRC-32/8 computation, oscillation-stop detection, and register write protection. The ELC enables event-driven inter-module coordination without CPU intervention - critical for synchronized PWM, ADC triggering, and fault response in inverter gate drive systems.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 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 R5F526TFDGFM#30, the R5F526TADGFM#30 offers identical packaging and flash but trades SRAM and ADC capability for cost, while the R5F523T5DDFK#30 sacrifices HRPWM, TFUv2, and safety features for smaller size and lower complexity - making the R5F526TFDGFM#30 optimal for high-performance, safety-aware industrial inverters.

Availability

R5F526TFDGFM#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.

Supply support for R5F526TFDGFM#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, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group, including the R5F526TFDGFM#30, was designed specifically for high-efficiency motor control in industrial inverters and home appliances - integrating precision PWM, real-time safety, and hardware-accelerated math to replace discrete DSP+FPGA solutions.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TFDGFM#30?

The R5F526TFDGFM#30 features a 32-bit RXv3 CPU core with a maximum operating frequency of 120 MHz, achieving 709 CoreMark performance. It supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point unit (FPU), and collective register bank save for rapid context switching - all essential for real-time motor control algorithms like field-oriented control (FOC). The R5F526TFDGFM#30 uses little-endian data arrangement and includes 113 instructions optimized for digital signal processing tasks.

Does the R5F526TFDGFM#30 support IEC60730 functional safety certification?

Yes, the R5F526TFDGFM#30 includes multiple hardware features required for IEC60730 Class B compliance: memory protection unit (MPU), Trusted Memory (TM) for secure code execution, independent watchdog timer (IWDT) with window function, oscillation-stop detection, self-diagnostic ADC and comparator functions, CRC calculator (CRCA), and register write protection. These capabilities enable developers to implement robust safety mechanisms for motor control applications without external components. The R5F526TFDGFM#30 is designed to meet the requirements of household and industrial appliances requiring certified safety functionality.

What PWM resolution and channel count does the R5F526TFDGFM#30 provide for motor control?

The R5F526TFDGFM#30 delivers industry-leading PWM timing precision with its High-Resolution PWM (HRPWM) module offering a minimum resolution of 260 ps at 120 MHz operation - applied to GPTW0 through GPTW3 outputs. It supports up to 10 single-phase complementary PWM channels, 3 three-phase complementary PWM channels, and 2 five-phase complementary PWM channels via its 32-bit GPTWa (8 channels) and 16-bit MTU3d (9 channels) timers. This enables precise gate drive control for SiC and IGBT-based inverters. The R5F526TFDGFM#30 also includes automatic dead-time insertion and fault-triggered output disable for enhanced system reliability.

How many analog-to-digital converter (ADC) channels does the R5F526TFDGFM#30 support, and what is their resolution?

The R5F526TFDGFM#30 integrates a 12-bit S12ADH analog-to-digital converter with three independent sample-and-hold units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), totaling 22 configurable ADC inputs. It achieves a minimum conversion time of 0.9 µs per channel when ADCLK runs at 60 MHz. The ADC supports scan modes, group priority control, digital comparison, and simultaneous sampling - critical for accurate three-phase current sensing in motor control. The R5F526TFDGFM#30 also includes a 6-channel analog comparator (CMPCa) and two 12-bit DACs for reference voltage generation.

What communication interfaces are integrated into the R5F526TFDGFM#30?

The R5F526TFDGFM#30 integrates a comprehensive set of communication peripherals: one CAN FD channel compliant with ISO 11898-1:2015 (supporting up to 5 Mbps), four SCI interfaces (SCIk/SCIh), three RSCI interfaces with LIN and Manchester encoding support, one I²C bus interface (RIICa) operating at up to 400 kbps, one I3C bus interface (RI3C) in SDR mode, and two high-speed SPI interfaces (RSPId and RSPIA) with transfer rates up to 30 Mbps. These interfaces enable flexible connectivity for motor control networks, debug, and host communication. The R5F526TFDGFM#30 uses the Event Link Controller (ELC) to synchronize communication triggers with PWM and ADC events without CPU overhead.