Renesas R5F526TBCDFP#50

Overview

R5F526TBCDFP#50 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 HRPWM timing resolution.

For engineers reviewing the R5F526TBCDFP#50 datasheet, R5F526TBCDFP#50 pinout, R5F526TBCDFP#50 application, or R5F526TBCDFP#50 equivalent, key selection criteria include real-time PWM dead-time control accuracy, simultaneous sampling across three 12-bit A/D units (up to 7 channels), IEC60730 safety compliance features, and Trusted Secure IP Lite encryption support for firmware integrity.

Technical Context

The R5F526TBCDFP#50 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-enabling deterministic response in motor control loops. Its clock system supports independent PCLKA (120 MHz), PCLKC (120 MHz for timer/HRPWM reference), and PCLKD (60 MHz for ADC) domains to decouple high-speed PWM timing from analog conversion timing.

Hardware acceleration includes GPTWa (8-channel 32-bit general PWM timer), MTU3d (9-channel 16-bit multifunction timer), and HRPWM (4-channel high-resolution PWM) with sub-nanosecond edge placement-coordinated via ELC event linking to eliminate CPU intervention during synchronized PWM-A/D trigger sequences and fault-driven port output disable.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin low-profile quad flat package (LFQFP), 14 mm × 14 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS compliant, rated for –40°C to +85°C operation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TBCDFP#50, R5F526TADFP#50 reduces flash/SRAM and omits HRPWM for compact inverter designs, while R5F523T5DDFP#50 offers lower memory and no hardware encryption-making R5F526TBCDFP#50 the only option supporting full IEC60730 Class B, simultaneous triple A/D sampling, and sub-nanosecond PWM timing in the RX26T family.

Availability

R5F526TBCDFP#50 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 support, and traceable sourcing.

Supply support for R5F526TBCDFP#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 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 is designed specifically for high-performance motor control applications-including industrial inverters, HVAC systems, and appliance compressors-with integrated PWM, A/D, safety, and communication peripherals to replace discrete control architectures.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBCDFP#50?

The R5F526TBCDFP#50 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point arithmetic, and collective register bank save for deterministic real-time response in motor control applications.

Does the R5F526TBCDFP#50 support IEC60730 Class B safety certification?

Yes, the R5F526TBCDFP#50 includes multiple hardware features required for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), memory protection unit (MPU), register write protection, and independent watchdog timer (IWDT). These are documented in the R01DS0407EJ0120 datasheet and validated per Renesas' safety manual for the RX26T Group.

What PWM capabilities does the R5F526TBCDFP#50 provide for motor control?

The R5F526TBCDFP#50 integrates GPTWa (32-bit, 8-channel), MTU3d (16-bit, 9-channel), and HRPWM (4-channel) modules. It supports 10 single-phase, 3 three-phase, or 2 five-phase complementary PWM outputs with hardware dead-time insertion and 260 ps minimum edge placement resolution-enabling precise gate drive timing for SiC/GaN-based inverters.

How many A/D converter channels and sample-and-hold units does the R5F526TBCDFP#50 support?

The R5F526TBCDFP#50 includes three 12-bit S12ADH A/D converter units: 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). This configuration enables true simultaneous sampling across up to 7 analog inputs-critical for vector-controlled motor drives requiring synchronized current and voltage measurement.

Is CAN FD supported on the R5F526TBCDFP#50, and what standard does it comply with?

Yes, the R5F526TBCDFP#50 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard (11-bit) and extended (29-bit) frame formats with data rates up to 5 Mbps. The module includes dedicated TX/RX pins, message RAM with configurable buffers, and error counters-fully documented in Section 32 of the R01DS0407EJ0120 datasheet.