Renesas R5F526TFCGFN#50

Overview

R5F526TFCGFN#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 260 ps HRPWM resolution.

For engineers reviewing the R5F526TFCGFN#50 datasheet, R5F526TFCGFN#50 pinout, R5F526TFCGFN#50 application, or R5F526TFCGFN#50 equivalent, this MCU delivers deterministic real-time motor timing, IEC60730-compliant safety features, dual-bank flash for seamless firmware updates, and simultaneous sampling across three 12-bit ADC units - critical for high-fidelity current/voltage sensing in servo drives and PMSM inverters.

Technical Context

The R5F526TFCGFN#50 implements the RXv3 CPU core with single-cycle instruction execution, 113 instructions, and IEEE 754-compliant single-precision FPU. Its clock system supports PLL multiplication of external 8–24 MHz crystals or internal 16/18/20 MHz HOCO, enabling precise synchronization of PCLKA (up to 120 MHz), PCLKC (for GPTW/HRPWM timing), and ADCLK (up to 60 MHz).

Motor control is enabled by tightly coupled peripherals: MTU3d (9-channel 16-bit timer) and GPTWa (8-channel 32-bit timer) provide complementary PWM with automatic dead-time insertion, while ELC links ADC conversion triggers directly to timer events without CPU intervention - ensuring sub-microsecond timing determinism for field-oriented control loops.

Key Specifications

Pinout & Package

R5F526TFCGFN#50 uses a 100-pin Low-Profile Quad Flat Package (LFQFP), PLQP0100KB-B, measuring 14 × 14 mm with 0.5 mm pitch. The package supports 82 general-purpose I/O pins (including 2 × 5-V tolerant inputs), 15 high-current outputs, and dedicated signal routing for motor control peripherals including GPTW, MTU3, HRPWM, and CAN FD.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFCGFN#50, the R5F526TADGFN#50 offers reduced memory and peripheral count in a smaller package for simpler inverters, while the R5F566TEAGFN#30 provides significantly higher CPU throughput and memory headroom for next-generation motion control - neither is pin-compatible, requiring PCB redesign.

Availability

R5F526TFCGFN#50 is available at Aetrix Electronics and suitable for industrial servo drives, PMSM inverter systems, home appliance inverters, and PLC motion control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFCGFN#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 is a global semiconductor leader specializing in microcontrollers, analog, and power management solutions for automotive, industrial, and IoT markets.

The RX26T Group, including R5F526TFCGFN#50, was designed specifically for high-precision motor control in industrial inverters and servo drives - integrating hardware-accelerated PWM, simultaneous sampling ADC, and IEC60730 safety features into a single chip.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFCGFN#50?

The R5F526TFCGFN#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark points under benchmark conditions. This performance stems from its RXv3 CPU core with single-cycle instruction execution, 32-bit multiplier/divider, and barrel shifter - all verified in the official R01DS0407EJ0120 datasheet. The R5F526TFCGFN#50 maintains deterministic timing critical for motor control loops.

Does the R5F526TFCGFN#50 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFCGFN#50 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames at data rates up to 5 Mbps. This capability is confirmed in the "Communication function" section of the R01DS0407EJ0120 datasheet. The R5F526TFCGFN#50 uses dedicated TXD0/RXD0 pins for differential signaling and includes built-in error handling and message filtering.

How many ADC units does the R5F526TFCGFN#50 have, and what is their sampling capability?

The R5F526TFCGFN#50 includes three independent 12-bit S12ADH ADC units: two with 4-channel sample-and-hold (Units 0 and 1) and one with 14 channels (Unit 2), totaling 22 configurable inputs. Minimum conversion time is 0.9 µs per channel at 60 MHz ADCLK. The R5F526TFCGFN#50 supports simultaneous sampling across all three units - a key feature for accurate three-phase current reconstruction in motor control.

What PWM resolution does the R5F526TFCGFN#50 achieve with its HRPWM feature?

The R5F526TFCGFN#50 achieves a minimum PWM timing resolution of 260 ps using its High-Resolution PWM (HRPWM) circuit, which controls the rising/falling edges of GPTWa-generated waveforms at 120 MHz operation. This specification is explicitly stated in the "High-resolution PWM waveform generation circuit" section of the R01DS0407EJ0120 datasheet. The R5F526TFCGFN#50 applies this resolution to 4 dedicated HRPWM channels for precise dead-time adjustment in inverter gate drivers.

Is the R5F526TFCGFN#50 qualified for industrial temperature range, and what is its package type?

Yes, the R5F526TFCGFN#50 is rated for –40°C to +105°C (G-version), making it suitable for demanding industrial environments. It uses a 100-pin LFQFP package designated PLQP0100KB-B, measuring 14 × 14 mm with 0.5 mm pitch. This package is confirmed in the "Package Information" section of the R01DS0407EJ0120 datasheet and supports 82 general-purpose I/O pins with 5-V tolerance on two inputs.