Renesas R5F526TFCGFL#50

Overview

R5F526TFCGFL#50 from Renesas is a 32-bit RXv3 core microcontroller optimized for motor control and industrial inverter applications, operating at up to 120 MHz with 709 CoreMark performance, integrated 512 KB code flash, 64 KB SRAM, 16 KB data flash, and hardware-accelerated 3-phase/5-phase complementary PWM generation. It supports CAN FD, I3C, dual SPI, and high-resolution PWM with 260 ps timing resolution.

For engineers reviewing the R5F526TFCGFL#50 datasheet, R5F526TFCGFL#50 pinout, R5F526TFCGFL#50 application, or R5F526TFCGFL#50 equivalent, this MCU delivers deterministic real-time motor control with simultaneous sampling across three 12-bit ADC units, on-chip FPU, Trusted Secure IP Lite encryption, and IEC60730-compliant safety features - critical for BLDC/PMSM inverter designs requiring functional safety certification.

Technical Context

The R5F526TFCGFL#50 implements the RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and IEEE 754-compliant single-precision FPU. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated 120 kHz oscillator, enabling independent peripheral clock domains (PCLKA up to 120 MHz, PCLKB/C/D at derived frequencies).

Motor control is enabled by tightly coupled peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) support synchronized 3-phase complementary PWM with automatic dead-time insertion; HRPWM extends timing resolution to 260 ps; S12ADH provides simultaneous sampling across three ADC units (4+4+14 channels) with programmable gain amplifiers and analog comparator (CMPCa, 6 channels) for overcurrent protection.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B, 100-pin Low-Profile Quad Flat Package (LFQFP), 14 × 14 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS-compliant, rated for –40°C to +105°C operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFCGFL#50, the R5F526TADGFL#50 offers reduced memory and peripheral integration in a smaller package for cost-sensitive applications, while the R5F566TEBGFP#30 delivers higher performance and expanded safety features for next-generation automotive and industrial systems demanding greater computational headroom and certification rigor.

Availability

R5F526TFCGFL#50 is available at Aetrix Electronics and suitable for industrial motor drives, automotive HVAC systems, home appliance inverters, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for R5F526TFCGFL#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications, with deep expertise in microcontrollers, analog, power, and connectivity technologies.

The RX26T Group is designed specifically for high-performance motor control in industrial inverters and automotive subsystems, integrating precision PWM, simultaneous sampling ADC, and functional safety features to accelerate development of IEC60730- and ISO26262-compliant systems.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFCGFL#50?

The R5F526TFCGFL#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core efficiency, including single-cycle instruction execution, 16 general-purpose 32-bit registers, and optimized pipeline architecture - enabling deterministic real-time motor control loops in the R5F526TFCGFL#50.

Does the R5F526TFCGFL#50 support simultaneous sampling across multiple ADC channels?

Yes, the R5F526TFCGFL#50 supports simultaneous sampling using three independent 12-bit S12ADH units: Unit 0 (4 channels with 3 sample-and-hold circuits), Unit 1 (4 channels with 3 sample-and-hold circuits), and Unit 2 (14 channels). This capability is essential for synchronized current and voltage acquisition in 3-phase motor control applications implemented on the R5F526TFCGFL#50.

What PWM resolution and complementary output capabilities does the R5F526TFCGFL#50 provide?

The R5F526TFCGFL#50 delivers 260 ps minimum timing resolution via its HRPWM circuit applied to GPTWa outputs, and supports 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM with automatic dead-time insertion. These features are implemented in hardware to ensure precise, jitter-free waveform generation critical for the R5F526TFCGFL#50's target inverter applications.

Is the R5F526TFCGFL#50 qualified for functional safety standards like IEC60730?

Yes, the R5F526TFCGFL#50 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), A/D converter disconnection detection, register write protection, and memory protection unit (MPU). These are documented in the R01DS0407EJ0120 datasheet and validated for use in safety-critical motor control firmware running on the R5F526TFCGFL#50.

What communication interfaces are integrated into the R5F526TFCGFL#50?

The R5F526TFCGFL#50 integrates CAN FD (ISO11898-1:2015), I3C (SDR mode), RIIC (400 kbps I²C/SMBus), RSPId (30 Mbps SPI), 4× SCI, and 3× RSCI with Manchester encoding and HBS functionality. These interfaces enable robust fieldbus connectivity, sensor fusion, and diagnostics in motor control systems built around the R5F526TFCGFL#50.