Renesas R5F526TBBDFL#30

Overview

R5F526TBBDFL#30 from Renesas is a 32-bit RXv3 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 features CAN FD, dual 12-bit ADC units with simultaneous sampling, 6-channel analog comparators, and Trusted Secure IP Lite encryption.

For engineers reviewing the R5F526TBBDFL#30 datasheet, R5F526TBBDFL#30 pinout, R5F526TBBDFL#30 application, or R5F526TBBDFL#30 equivalent, key selection criteria include 120 MHz real-time PWM timing resolution (260 ps), IEC60730-compliant safety functions, on-chip FPU for motor algorithm execution, and support for high-precision sensorless FOC control in compact inverters.

Technical Context

The R5F526TBBDFL#30 implements the RXv3 CPU core with single-cycle instruction execution, 32-bit multiplier/divider, and selectable endian mode. Its clock system integrates PLL, HOCO/LOCO oscillators, and independent IWDT-dedicated 120 kHz oscillator - all synchronized across four peripheral clock domains (PCLKA–PCLKD) enabling mixed-speed operation of timers, ADCs, and communication peripherals.

Motor control is enabled by tightly coupled peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) provide synchronized PWM outputs with programmable dead time and phase counting; HRPWM adds 260 ps timing adjustment to GPTW0–GPTW3 outputs; ELC links events (e.g., timer overflow → ADC trigger) without CPU intervention.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 mm × 14 mm body, 0.5 mm 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 R5F526TBBDFL#30, the R5F526TADFL#30 offers identical peripheral sets in a smaller package but less memory and I/O; the R5F523T5DDFK#30 provides baseline motor control at lower performance and security tiers - neither is pin-compatible, and both require PCB redesign and firmware adaptation.

Availability

R5F526TBBDFL#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC motion control nodes requiring stable component supply and long-term lifecycle assurance.

Supply support for R5F526TBBDFL#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group - including R5F526TBBDFL#30 - was designed specifically for high-performance, safety-certifiable motor control in compact inverters, integrating real-time PWM, analog sensing, and functional safety features on a single die.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TBBDFL#30?

The R5F526TBBDFL#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core's efficiency in executing real-time motor control algorithms, including FOC and SVPWM, with minimal latency. The R5F526TBBDFL#30 sustains this speed across full code flash and SRAM access without wait states.

Does the R5F526TBBDFL#30 support IEC60730 Class B compliance out of the box?

Yes, the R5F526TBBDFL#30 includes dedicated hardware for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), register write protection, and self-diagnostic functions for ADC and comparators. These features are documented in the R01DS0407EJ0120 datasheet and require no external components to implement certified safety routines in the R5F526TBBDFL#30.

What PWM resolution and configuration options does the R5F526TBBDFL#30 offer for motor control?

The R5F526TBBDFL#30 delivers 10 single-phase, 3 three-phase, or 2 five-phase complementary PWM outputs via GPTWa and MTU3d modules. Its HRPWM circuit adds 260 ps minimum timing resolution to GPTW0–GPTW3 outputs - enabling precise dead-time tuning and reduced switching losses in SiC/GaN-based inverters. All PWM channels support synchronous start/stop and ELC-triggered events.

Which analog peripherals are integrated into the R5F526TBBDFL#30 for current and voltage sensing?

The R5F526TBBDFL#30 integrates two 12-bit ADC units (S12ADH): 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). It also includes six analog comparators (CMPCa) and two 12-bit DACs usable as reference voltages. This configuration supports simultaneous sampling of three-phase currents and DC-link voltage - critical for accurate FOC execution in the R5F526TBBDFL#30.

What communication interfaces does the R5F526TBBDFL#30 support for industrial networking?

The R5F526TBBDFL#30 supports CAN FD (ISO11898-1:2015, up to 5 Mbps), four SCI channels, three RSCI channels with Manchester encoding and HBS, one I2C (400 kbps), one I3C (SDR mode), and two RSPI interfaces (up to 30 Mbps). These interfaces enable robust, deterministic communication in distributed motor control systems - such as CAN FD for master-slave coordination and RSPI for high-speed sensor data acquisition in the R5F526TBBDFL#30.