Renesas R5F526TFCDFL#30

Overview

R5F526TFCDFL#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 includes Trusted Secure IP Lite encryption.

For engineers reviewing the R5F526TFCDFL#30 datasheet, R5F526TFCDFL#30 pinout, R5F526TFCDFL#30 application, or R5F526TFCDFL#30 equivalent, key selection criteria include 120 MHz real-time PWM timing precision, dual-bank flash for safe firmware updates, simultaneous sampling across three 12-bit ADC units, and hardware-accelerated trigonometric functions for field-oriented control (FOC) algorithms.

Technical Context

The R5F526TFCDFL#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 integrates PLL, HOCO/LOCO oscillators, and independent IWDT-dedicated 120 kHz oscillator for fail-safe timing.

Peripheral coordination is managed via the Event Link Controller (ELC), enabling direct inter-module triggering without CPU intervention - critical for synchronized PWM, ADC sampling, and fault response in inverter gate drivers. The GPTWa timer supports 3-phase complementary PWM with programmable dead time, while HRPWM refines edge placement to ±260 ps at 120 MHz.

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, supporting up to 83 general-purpose I/O pins with 5-V tolerance, open-drain capability, and programmable drive strength.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFCDFL#30, R5F526TADFL#30 reduces memory and I/O for compact inverter modules, while R5F566TEBDFP#30 extends real-time capability with higher clock speed and memory - both retain pin-compatible footprint but differ in safety feature depth and PWM channel scalability.

Availability

R5F526TFCDFL#30 is available at Aetrix Electronics and suitable for industrial motor drives, electric vehicle onboard chargers, home appliance inverters, and renewable energy converters requiring stable component supply and long-term lifecycle support.

Supply support for R5F526TFCDFL#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, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group - including R5F526TFCDFL#30 - was designed specifically for high-efficiency, safety-certifiable motor control in industrial and consumer inverters, integrating hardware acceleration for FOC and robust functional safety features.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TFCDFL#30?

The R5F526TFCDFL#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance and includes a single-precision IEEE 754 floating-point unit (FPU), collective register bank save, and memory protection unit (MPU) - all essential for deterministic real-time motor control execution. The R5F526TFCDFL#30's architecture supports zero-wait-state access to 512 KB flash and 64 KB SRAM at full speed.

Does the R5F526TFCDFL#30 support IEC60730 safety compliance?

Yes, the R5F526TFCDFL#30 includes multiple hardware features certified for IEC60730 Class B compliance: oscillation-stoppage detection, self-diagnostic A/D converter functions, clock frequency accuracy measurement, independent watchdog timer (IWDTa) with window function, RAM test-assisting function via DOC, CRC calculator (CRCA), and register write protection. These capabilities enable developers to implement robust safety monitoring without external components - a core design objective of the RX26T Group.

What PWM capabilities does the R5F526TFCDFL#30 offer for motor control?

The R5F526TFCDFL#30 provides three complementary PWM subsystems: 8-channel 32-bit GPTWa timers (for 3-/5-phase complementary PWM), 9-channel 16-bit MTU3d timers (with automatic dead-time insertion), and 4-channel High-Resolution PWM (HRPWM) with 260 ps minimum edge placement resolution at 120 MHz. This combination enables precise gate timing for SiC and IGBT inverters, simultaneous multi-phase waveform generation, and hardware-accelerated fault response - all critical for high-efficiency motor drives. The R5F526TFCDFL#30's PWM system is tightly coupled with ELC and ADC triggers for jitter-free synchronization.

How many ADC channels and what resolution does the R5F526TFCDFL#30 support?

The R5F526TFCDFL#30 integrates three 12-bit S12ADH analog-to-digital converter units: two with 4-channel sample-and-hold (Units 0 and 1) and one with 14-channel capability (Unit 2), totaling up to 22 configurable input channels. It supports simultaneous sampling across all three units, achieving 0.9 µs minimum conversion time per channel when ADCLK runs at 60 MHz. This architecture is optimized for concurrent acquisition of phase currents and DC-link voltage in 3-phase motor control - a key differentiator of the R5F526TFCDFL#30 within the RX26T family.

What communication interfaces are integrated into the R5F526TFCDFL#30?

The R5F526TFCDFL#30 integrates CAN FD (ISO 11898-1:2015 compliant), four SCI channels (SCIk/SCIh), three RSCI channels with Manchester encoding and HBS support, one I²C bus interface (RIICa) supporting 400 kbps Fast Mode and SMBus, one I³C bus interface (RI3C) for SDR mode, and two SPI interfaces (RSPId and RSPIA). These interfaces provide flexible connectivity for motor telemetry, host MCU coordination, sensor networks, and safety-critical diagnostics - all accessible via the ELC for hardware-triggered transfers without CPU load. The R5F526TFCDFL#30's CAN FD channel supports data rates beyond 5 Mbps for high-bandwidth inverter monitoring.