Renesas R5F526TBCGFP#50

Overview

R5F526TBCGFP#50 from Renesas is a 32-bit RXv3 microcontroller designed for high-performance motor control and industrial inverter applications. It operates at up to 120 MHz, integrates 512 KB code flash, 64 KB SRAM, 16 KB data flash, dual-bank flash architecture, and supports CAN FD, 3-phase/5-phase complementary PWM, and 260-ps high-resolution PWM timing control.

For engineers reviewing the R5F526TBCGFP#50 datasheet, R5F526TBCGFP#50 pinout, R5F526TBCGFP#50 application, or R5F526TBCGFP#50 equivalent, key selection criteria include 120-MHz real-time PWM resolution, IEC60730-compliant safety features (IWDT, oscillation-stop detection, RAM test assist), on-chip FPU, and integrated analog peripherals including 12-bit ADC with simultaneous sampling across three units and 6-channel comparator.

Technical Context

The R5F526TBCGFP#50 implements the RXv3 CPU core with single-cycle instruction execution, 113 instructions, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching. Its clock system combines an 8–24 MHz external crystal with PLL synthesis to deliver 120 MHz ICLK, while PCLKA/PCLKC run at up to 120 MHz for GPTW, MTU3d, and HRPWM modules.

Real-time motor control is enabled by tightly coupled peripherals: GPTWa (8-channel 32-bit timer) and MTU3d (9-channel 16-bit timer) support synchronous PWM generation, dead-time insertion, and phase-counting; HRPWM achieves 260-ps edge placement resolution via GPTW0–GPTW3; and ELC enables interrupt-free inter-module event linking for deterministic timing.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package (LFQFP), 14 × 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 R5F526TBCGFP#50, R5F526TADGFP#50 reduces package size and analog capability but maintains identical peripheral IP and safety features; R5F566TEBGFP#50 extends frequency, memory, and HRPWM channel count for advanced control topologies-neither is pin-compatible, and PCB redesign is required for migration.

Availability

R5F526TBCGFP#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, PLC I/O modules, and EV onboard chargers requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for R5F526TBCGFP#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications, with deep expertise in real-time MCUs and motor control IP.

The RX26T Group is engineered specifically for high-precision motor control in industrial and consumer inverters, integrating hardware-accelerated PWM, safety-certified peripherals, and deterministic real-time processing to replace discrete analog/mixed-signal subsystems.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBCGFP#50?

The R5F526TBCGFP#50 features a 32-bit RXv3 CPU core operating at up to 120 MHz, achieving 709 CoreMark. It supports single-cycle instruction execution, 16 general-purpose 32-bit registers, two 72-bit accumulators, and IEEE 754-compliant single-precision floating-point unit-enabling high-efficiency field-oriented control (FOC) algorithms in real time.

Does the R5F526TBCGFP#50 support IEC60730 Class B compliance for safety-critical motor control?

Yes, the R5F526TBCGFP#50 includes multiple hardware features for IEC60730 Class B compliance: independent watchdog timer (IWDT) with window function, main clock oscillation stop detection, RAM test assist via DOC, CRC calculator (CRCA), memory protection unit (MPU), register write protection, and self-diagnostic ADC functions-all documented in Renesas Application Note R01AN4233.

What PWM capabilities does the R5F526TBCGFP#50 offer for 3-phase inverter control?

The R5F526TBCGFP#50 provides comprehensive PWM support: 3-channel 3-phase complementary PWM with automatic dead-time insertion via MTU3d, 10-channel single-phase complementary PWM via GPTWa, and 4-channel high-resolution PWM (HRPWM) with 260-ps minimum edge placement resolution-enabling precise gate timing for SiC/GaN-based inverters with minimal THD.

How many analog-to-digital converter (ADC) channels does the R5F526TBCGFP#50 support, and what is their configuration?

The R5F526TBCGFP#50 supports 22 total 12-bit ADC input channels across three S12ADH units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels). All units support simultaneous sampling, programmable gain amplifiers (on Units 0/1), and conversion trigger via MTU/GPTW/ELC-critical for real-time motor current and voltage acquisition.

What package type and thermal rating does the R5F526TBCGFP#50 use?

The R5F526TBCGFP#50 uses the PLQP0100KB-B package: a 100-pin LFQFP with 14 × 14 mm body, 0.5 mm pitch, and exposed thermal pad. It is rated for the G-version operating temperature range of –40°C to +105°C, making it suitable for under-hood automotive auxiliary systems and industrial environments with elevated ambient temperatures.