Renesas R5F526TFCDFN#50

Overview

R5F526TFCDFN#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 512 KB on-chip flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD, and hardware-accelerated 3-phase/5-phase complementary PWM with dead-time control. It supports IEC60730 safety compliance and operates across –40°C to +85°C.

For engineers reviewing the R5F526TFCDFN#50 datasheet, R5F526TFCDFN#50 pinout, R5F526TFCDFN#50 application, or R5F526TFCDFN#50 equivalent, key selection considerations include its 100-pin HWQFN package (PLQP0100KB-B), 120 MHz GPTWa/MTU3d timer subsystem, 260 ps HRPWM resolution, dual-bank flash for safe firmware updates, and Trusted Secure IP Lite encryption support.

Technical Context

The R5F526TFCDFN#50 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and MPU-based memory protection. Its clock system integrates PLL, 240-kHz LOCO, and 120-kHz IWDT-dedicated oscillator - enabling precise timing isolation for safety-critical functions.

Motor control capability stems from tightly coupled peripherals: GPTWa (8-channel 32-bit PWM), MTU3d (9-channel 16-bit timer), HRPWM (4-channel, 260 ps resolution), and S12ADH (three 12-bit ADC units with simultaneous sampling). Event Link Controller (ELC) enables autonomous peripheral coordination without CPU intervention during sleep modes.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin plastic quad flat no-lead (HWQFN), 14 × 14 mm body, 0.5 mm pitch, exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFCDFN#50, R5F526TDDFK#50 reduces footprint and cost at the expense of HRPWM and simultaneous ADC capability, while R5F566TEBDFP#30 delivers scalable performance and safety for automotive-grade systems - making R5F526TFCDFN#50 the optimal balance of precision motor control, integration, and industrial temperature reliability.

Availability

R5F526TFCDFN#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and distributed PLC I/O modules requiring stable component supply, long-term manufacturability, and full documentation traceability.

Supply support for R5F526TFCDFN#50 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 is designed specifically for high-precision motor control applications, integrating advanced PWM, analog, and safety features into a single chip to replace discrete gate drivers, op-amps, and external safety monitors.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TFCDFN#50?

The R5F526TFCDFN#50 features a 32-bit RXv3 CPU core with a maximum operating frequency of 120 MHz, achieving 709 CoreMark. It supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point operations, and a 4-Gbyte linear address space - enabling deterministic real-time motor control loops with minimal latency.

Does the R5F526TFCDFN#50 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFCDFN#50 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frames. It enables data rates up to 5 Mbps in FD mode and provides robust error handling, message filtering, and flexible mailbox configuration - ideal for high-bandwidth motor status reporting and diagnostics in industrial networks.

What PWM capabilities does the R5F526TFCDFN#50 offer for motor control?

The R5F526TFCDFN#50 delivers comprehensive PWM functionality: GPTWa (8×32-bit channels), MTU3d (9×16-bit channels), and HRPWM (4 channels with 260 ps minimum resolution). It supports single-phase, 3-phase, and 5-phase complementary PWM with automatic dead-time insertion, synchronous start/stop, and ELC-triggered ADC sampling - all critical for low-noise, high-efficiency inverter design.

How does the R5F526TFCDFN#50 support IEC60730 functional safety compliance?

The R5F526TFCDFN#50 includes dedicated hardware for IEC60730: oscillation-stop detection, ADC self-diagnosis and disconnection detection, clock accuracy measurement, independent watchdog timer (IWDT) with window function, RAM test assist (DOC), CRC calculator (CRCA), and register write protection. These features reduce external component count and simplify certification for Class B and C applications.

What package type and pin count does the R5F526TFCDFN#50 use?

The R5F526TFCDFN#50 uses the PLQP0100KB-B package: a 100-pin HWQFN with 14 × 14 mm body size and 0.5 mm pitch. It provides 82 general-purpose I/O pins (including 5-V tolerant and open-drain options), dedicated motor control waveform outputs (MTIOC/GTIOC), and multiple power/ground pins optimized for low-noise analog and high-current digital operation.