Renesas R5F526TFBGND#10

Overview

R5F526TFBGND#10 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, CAN FD interface, and hardware-accelerated 3-phase/5-phase complementary PWM generation.

For engineers reviewing the R5F526TFBGND#10 datasheet, R5F526TFBGND#10 pinout, R5F526TFBGND#10 application, or R5F526TFBGND#10 equivalent, this MCU delivers deterministic real-time motor control with 260 ps HRPWM timing resolution, IEC60730-compliant safety features, on-chip FPU, and dual-bank flash for seamless firmware updates - critical for servo drives, HVAC compressors, and industrial PMSM/BLDC systems.

Technical Context

The R5F526TFBGND#10 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and 16-register bank save for fast context switching in interrupt-heavy motor control loops. Its clock system supports PLL-synthesized 120 MHz ICLK with independent PCLKA (120 MHz), PCLKB (60 MHz), PCLKC (120 MHz), and PCLKD (60 MHz) domains for precise peripheral timing.

It integrates dedicated motor control peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) for synchronized PWM generation, HRPWM (4 channels, 260 ps min. resolution), POE3D/POEG for fault-driven output disable, and S12ADH with simultaneous sampling across three 12-bit A/D units - enabling high-fidelity current/voltage sensing in 3-phase inverters.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-profile Quad Flat Package (LFQFP), 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 R5F526TFBGND#10, the R5F526TDDFD#10 reduces footprint and memory but sacrifices simultaneous A/D sampling depth and HRPWM channel count, while the R5F566TEBDFP#30 extends performance and safety certification scope at higher cost and power - making R5F526TFBGND#10 the optimal balance for cost-sensitive, high-volume industrial inverter designs.

Availability

R5F526TFBGND#10 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC compressor control, home appliance inverters, and servo amplifier applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFBGND#10 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 R5F526TFBGND#10 - was designed specifically for high-precision, real-time motor control in industrial inverters and appliance drives, integrating hardware-accelerated PWM, safety-certified peripherals, and deterministic interrupt response.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFBGND#10?

The R5F526TFBGND#10 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core's efficient pipeline, single-cycle instruction execution, and optimized memory subsystem - directly enabling real-time execution of complex motor control algorithms such as field-oriented control (FOC) and model predictive control (MPC) without latency penalties. The R5F526TFBGND#10 sustains this performance across its full temperature range (–40°C to +85°C).

Does the R5F526TFBGND#10 support IEC60730 Class B compliance out of the box?

Yes, the R5F526TFBGND#10 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection for the main clock, RAM test-assisting function using DOC, CRC calculator (CRCA) for data integrity, register write protection, and self-diagnostic functions for the A/D converter and analog comparator. These are documented in the R01DS0407EJ0120 datasheet and require no external components - allowing certified implementations of motor control firmware on the R5F526TFBGND#10.

What PWM configurations does the R5F526TFBGND#10 support for 3-phase inverter control?

The R5F526TFBGND#10 supports multiple PWM modes essential for 3-phase inverter control: 3-channel 3-phase complementary PWM (via MTU3d), 10-channel single-phase complementary PWM (via GPTWa), and 2-channel 5-phase complementary PWM. It also provides automatic dead-time insertion, non-overlapping waveform generation, and synchronous start/stop across channels. These capabilities are implemented in hardware - eliminating software overhead and ensuring deterministic timing critical for SiC/GaN gate driving in the R5F526TFBGND#10.

How many A/D converter channels does the R5F526TFBGND#10 have, and what is their sampling architecture?

The R5F526TFBGND#10 includes three independent 12-bit S12ADH units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), totaling 22 configurable inputs. Units 0 and 1 each integrate three dedicated sample-and-hold circuits, enabling true simultaneous sampling across up to six channels - vital for capturing correlated phase current and voltage waveforms in motor control. Minimum conversion time is 0.9 µs per channel at 60 MHz ADCLK, and triggers can be sourced from MTU, GPTW, or ELC events.

What package type and pin count does the R5F526TFBGND#10 use?

The R5F526TFBGND#10 uses the PLQP0100KB-B package: a 100-pin Low-profile Quad Flat Package (LFQFP) with 14 mm × 14 mm body size, 0.5 mm pin pitch, and exposed thermal pad. This package supports 83 general-purpose I/O pins (including 5-V tolerant and open-drain options), two 5-V tolerant pins, and dedicated analog/power domains - matching the full peripheral set described in the RX26T datasheet for the 100-pin variant. The R5F526TFBGND#10 is rated for –40°C to +85°C operation (D-version).