Renesas R5F526TBBGFN#30

Overview

R5F526TBBGFN#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 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 HRPWM timing resolution.

For engineers reviewing the R5F526TBBGFN#30 datasheet, R5F526TBBGFN#30 pinout, R5F526TBBGFN#30 application, or R5F526TBBGFN#30 equivalent, this MCU delivers deterministic real-time motor control with IEC60730-compliant safety features, dual-bank flash for seamless firmware updates, and simultaneous sampling across three 12-bit A/D units - critical for high-fidelity current/voltage sensing in PMSM and BLDC drives.

Technical Context

The R5F526TBBGFN#30 implements the RXv3 CPU core with single-cycle instruction execution at 120 MHz (709 CoreMark), supporting little-endian data and IEEE 754-compliant single-precision FPU. Its memory protection unit (MPU) enforces eight configurable regions, while Trusted Memory (TM) secures boot code against unauthorized read access in the flash target area.

Timing architecture separates system clock (ICLK up to 120 MHz), peripheral clocks (PCLKA/PCLKB up to 120/60 MHz), and dedicated counter reference clocks (PCLKC up to 120 MHz) for GPTW, MTU3d, and HRPWM - enabling independent high-resolution PWM and ADC synchronization without CPU intervention via Event Link Controller (ELC).

Key Specifications

Pinout & Package

PWQN0064KF-A is a 64-pin HWQFN package (9 × 9 mm, 0.5 mm pitch) with exposed thermal pad, rated for –40°C to +105°C operation and supporting 5-V tolerant I/O on two pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TADDFP#30 and R5F523T5DDFP#30, the R5F526TBBGFN#30 uniquely combines 120 MHz deterministic execution, triple A/D sampling, 260 ps HRPWM, and CAN FD in a compact 64-pin HWQFN - making it the only option among the three qualified for ASIL-B–aligned inverter designs requiring both performance and safety certification evidence.

Availability

R5F526TBBGFN#30 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 traceable sourcing for safety-critical production.

Supply support for R5F526TBBGFN#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 the R5F526TBBGFN#30 - was designed specifically for high-performance, safety-aware motor control in industrial inverters and automotive subsystems, integrating hardware accelerators and functional safety features directly into the MCU silicon.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TBBGFN#30?

The R5F526TBBGFN#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, on-chip FPU, and zero-wait-state access to 512 KB flash and 64 KB SRAM - all confirmed in the R01DS0407EJ0120 Rev.1.20 datasheet. The R5F526TBBGFN#30 sustains full performance across its –40°C to +105°C operating range.

Does the R5F526TBBGFN#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TBBGFN#30 integrates a CAN FD module compliant with ISO11898-1:2015 for both standard and extended frames. It supports bit rates up to 5 Mbps in the data phase and includes built-in message filtering, FIFO buffering, and error handling - enabling robust real-time communication in motor control networks. This capability is documented in Section 1.1 and Table 1.1 of the R01DS0407EJ0120 datasheet.

What A/D converter configuration does the R5F526TBBGFN#30 provide, and how many channels are available?

The R5F526TBBGFN#30 includes three 12-bit S12ADH A/D converter units totaling 22 channels: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), all with sample-and-hold circuits. Units 0 and 1 each support three dedicated sample-and-hold channels. Minimum conversion time is 0.9 µs per channel at 60 MHz ADCLK. This configuration is explicitly specified for 64 KB RAM variants like the R5F526TBBGFN#30 in the R01DS0407EJ0120 datasheet.

What package type and thermal specifications apply to the R5F526TBBGFN#30?

The R5F526TBBGFN#30 uses the PWQN0064KF-A package: a 64-pin HWQFN measuring 9 × 9 mm with 0.5 mm pitch and an exposed thermal pad. It is rated for operation from –40°C to +105°C (G-version), with thermal resistance θ_JA of 40°C/W typical. This package supports high-density PCB layouts while maintaining thermal performance for motor control applications - details are listed in the "Package Information" section of R01DS0407EJ0120.

How does the R5F526TBBGFN#30 support IEC60730 functional safety compliance?

The R5F526TBBGFN#30 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stoppage detection, A/D converter disconnection monitoring, clock frequency accuracy measurement, independent watchdog timer (IWDTa), RAM test-assist function using DOC, CRC calculator (CRCA), and register write protection. These are documented in the "Useful functions for IEC60730 compliance" section of the R01DS0407EJ0120 datasheet - enabling systematic fault detection without software-only reliance.