Renesas R5F526TFCDNE#30

Overview

R5F526TFCDNE#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 hardware-accelerated 3-phase/5-phase complementary PWM generation with 260 ps timing resolution.

For engineers reviewing the R5F526TFCDNE#30 datasheet, R5F526TFCDNE#30 pinout, R5F526TFCDNE#30 application, or R5F526TFCDNE#30 equivalent, this MCU delivers deterministic real-time motor control with IEC60730-compliant safety features, dual-bank flash for safe firmware updates, and simultaneous sampling across three 12-bit A/D units - critical for field-oriented control (FOC) and sensorless BLDC commutation.

Technical Context

The R5F526TFCDNE#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 interrupt-driven motor control loops. Its clock system supports independent PCLKA (up to 120 MHz), PCLKC (up to 120 MHz for timer reference), and PCLKD (up to 60 MHz for ADC) domains, enabling precise timing isolation between computation, PWM generation, and analog acquisition.

Hardware acceleration includes GPTWa (8-channel 32-bit general PWM timer), MTU3d (9-channel 16-bit multifunction timer), HRPWM (4-channel high-resolution PWM with 260 ps minimum step), and ELC (Event Link Controller) for CPU-free inter-module triggering - allowing synchronized A/D conversion start, dead-time insertion, and fault response without software overhead.

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.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFCDNE#30, the R5F526TDDNE#30 offers reduced memory and pin count in a smaller package but lacks simultaneous triple A/D sampling and full HRPWM channel count; the R5F566TEBDFP#30 provides higher compute throughput and larger SRAM for multi-axis control but increases cost and power consumption without improving motor-specific PWM timing resolution.

Availability

R5F526TFCDNE#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, PLC I/O modules, and renewable energy converters requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for safety-critical production.

Supply support for R5F526TFCDNE#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 R5F526TFCDNE#30 - was designed specifically for high-efficiency, safety-certifiable motor control in industrial and consumer inverters, integrating hardware-accelerated PWM, simultaneous A/D, and IEC60730-compliant safety features on a single die.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFCDNE#30?

The R5F526TFCDNE#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark in benchmark testing. This performance stems from its RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and on-chip 32×32→64-bit multiplier. The R5F526TFCDNE#30 maintains deterministic real-time behavior under full load, making it suitable for hard real-time motor control loops where jitter must remain below 100 ns.

Does the R5F526TFCDNE#30 support simultaneous sampling across all A/D converter units?

Yes, the R5F526TFCDNE#30 supports true simultaneous sampling across its three 12-bit S12ADH units (4+4+14 channels) using shared ADTRGx trigger inputs. This capability is enabled by hardware synchronization via the Event Link Controller (ELC), allowing coordinated start of conversion across all units within one system clock cycle. The R5F526TFCDNE#30 uses this feature to capture phase currents and DC-link voltage concurrently - a requirement for accurate field-oriented control in 3-phase inverters.

What PWM configurations does the R5F526TFCDNE#30 support for motor control?

The R5F526TFCDNE#30 supports single-phase (10 channels), three-phase (3 channels), and five-phase (2 channels) complementary PWM modes using its GPTWa and MTU3d timers. It also integrates HRPWM circuitry delivering 260 ps minimum timing resolution for dead-time adjustment and waveform shaping. These features allow the R5F526TFCDNE#30 to generate non-overlapping gate drive signals with sub-nanosecond precision - critical for minimizing shoot-through risk and optimizing inverter efficiency in high-speed BLDC and PMSM applications.

Is the R5F526TFCDNE#30 certified for IEC60730 functional safety?

The R5F526TFCDNE#30 includes hardware features required for IEC60730 Class B compliance - including oscillation-stop detection, RAM test assist (DOC), CRCA, self-diagnostic A/D, and register write protection - but is not pre-certified. System-level certification requires validation of the complete application design per IEC60730-1 Annex H. The R5F526TFCDNE#30 provides the foundational safety mechanisms needed to achieve Class B, reducing external component count and simplifying safety architecture compared to generic MCUs.

What package type and pin count does the R5F526TFCDNE#30 use?

The R5F526TFCDNE#30 uses the PLQP0100KB-B package: a 100-pin Low-profile Quad Flat Package (LFQFP) with 14 × 14 mm body size and 0.5 mm lead pitch. This package includes an exposed thermal pad for enhanced heat dissipation in motor control applications and supports –40°C to +85°C operation (D-version). The R5F526TFCDNE#30's 82 GPIOs, dual CAN FD pins, and dedicated PWM/ADC routing are fully accessible in this footprint, enabling high-density inverter board layouts.