Renesas R5F526TBCDFL#30

Overview

R5F526TBCDFL#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 R5F526TBCDFL#30 datasheet, R5F526TBCDFL#30 pinout, R5F526TBCDFL#30 application, or R5F526TBCDFL#30 equivalent, this MCU delivers deterministic real-time control for brushless DC and permanent magnet synchronous motor drives, with IEC60730-compliant safety features, on-chip FPU, and simultaneous sampling across three 12-bit A/D units.

Technical Context

The R5F526TBCDFL#30 implements the RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and IEEE 754-compliant single-precision FPU - enabling high-efficiency motor vector control algorithms. Its clock system supports PLL-synthesized 120 MHz operation using an external 8–24 MHz crystal or internal HOCO, with independent PCLKA/PCLKC domains driving GPTWa and HRPWM at full speed.

Real-time peripheral coordination is achieved via the Event Link Controller (ELC), which interconnects 183 internal event signals - allowing MTU3d timer triggers to initiate A/D conversions or comparator outputs to disable GPTWa PWM pins without CPU intervention, critical for fault-safe inverter shutdown sequences.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 mm × 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 R5F526TBCDFL#30, the R5F526TADFL#30 reduces memory and PWM resources in a smaller package for cost-sensitive single-axis systems, while the R5F566TEBDFP#30 extends real-time capability with higher clock speed, larger SRAM, and additional connectivity - making it suitable for complex multi-axis or IoT-integrated motion controllers.

Availability

R5F526TBCDFL#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC motion control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for R5F526TBCDFL#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for industrial, automotive, and infrastructure markets.

The RX26T Group - including the R5F526TBCDFL#30 - was designed specifically for high-precision, real-time motor control in inverters and industrial drives, integrating hardware-accelerated PWM, synchronized analog capture, and IEC60730 safety features on a single chip.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBCDFL#30?

The R5F526TBCDFL#30 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It achieves 709 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point operations, and a collective register bank save function. The R5F526TBCDFL#30 integrates on-chip multiplier, divider, and barrel shifter to accelerate motor control math.

Does the R5F526TBCDFL#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TBCDFL#30 includes one CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frames. It enables data rates up to 5 Mbps for high-bandwidth motor status reporting and diagnostics. The R5F526TBCDFL#30 requires an external CAN FD transceiver for physical layer interfacing and supports error handling, loopback mode, and timestamping for deterministic communication in real-time drive systems.

How many A/D converter channels does the R5F526TBCDFL#30 have, and what is their sampling capability?

The R5F526TBCDFL#30 includes three 12-bit S12ADH A/D converter units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), totaling 22 input channels. All units support simultaneous sampling triggered by MTU3d or GPTWa events, with minimum conversion time of 0.9 µs per channel at 60 MHz ADCLK. The R5F526TBCDFL#30 also provides sample-and-hold circuits on Units 0 and 1 for accurate current sensing in noisy inverter environments.

What PWM features make the R5F526TBCDFL#30 suitable for inverter motor control?

The R5F526TBCDFL#30 integrates GPTWa (32-bit × 8 channels) and HRPWM (4 channels) for high-fidelity motor control. GPTWa supports single-phase (10 outputs), 3-phase (3 outputs), and 5-phase (2 outputs) complementary PWM with automatic dead-time insertion. HRPWM delivers 260 ps minimum edge resolution on GPTW0–GPTW3 - enabling precise timing compensation for SiC/GaN gate drivers. The R5F526TBCDFL#30 also includes POE3D/POEG modules for hardware-triggered PWM pin disable during overcurrent faults.

Is the R5F526TBCDFL#30 qualified for IEC60730 Class B compliance, and which safety features does it include?

Yes, the R5F526TBCDFL#30 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection, A/D converter disconnection detection, clock frequency accuracy measurement circuit, independent watchdog timer (IWDT) with window function, RAM test-assisting function via DOC, CRCA hardware CRC calculator, and register write protection. These features are documented in Renesas Application Note R01AN5049JJ0100 and enable certified self-test routines without external components. The R5F526TBCDFL#30 supports safe firmware updates via dual-bank flash.