Renesas R5F526TFDGFN#10

Overview

R5F526TFDGFN#10 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core delivering 709 CoreMark, 512 KB on-chip code flash, 64 KB SRAM, 16 KB data flash, CAN FD interface, and integrated high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and operates across –40°C to +105°C.

For engineers reviewing the R5F526TFDGFN#10 datasheet, R5F526TFDGFN#10 pinout, R5F526TFDGFN#10 application, or R5F526TFDGFN#10 equivalent, key selection criteria include its 100-pin LFQFP package, dual-bank flash for safe firmware updates, simultaneous sampling across three 12-bit A/D units, 3-phase/5-phase complementary PWM capability, and Trusted Secure IP Lite encryption support.

Technical Context

The R5F526TFDGFN#10 implements the RXv3 CPU core with single-cycle instruction execution, 32×32→64-bit hardware multiplier, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching. Its memory protection unit (MPU) enforces eight configurable regions with 16-byte granularity, while Trusted Memory (TM) restricts code fetch access to protected flash areas.

Timing architecture integrates PLL-synchronized 120 MHz ICLK, independent PCLKA/PCLKC domains for peripheral clocking, and dedicated IWDT oscillator at 120 kHz. The ELC enables event-triggered module operation without CPU intervention-critical for deterministic motor control loops-and supports 183 internal event signals for inter-module linkage.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-profile Quad Flat Package (LFQFP), 14 × 14 mm body, 0.5 mm lead 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 R5F526TFDGFN#10, the R5F526TADGFN#10 offers reduced memory and peripheral count in a smaller package for simpler inverters, while the R5F566TEBDFP#30 provides greater processing headroom and networking at the expense of HRPWM precision-making R5F526TFDGFN#10 optimal for high-fidelity, timing-critical motor control within its performance envelope.

Availability

R5F526TFDGFN#10 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.

Supply support for R5F526TFDGFN#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 R5F526TFDGFN#10-is designed specifically for high-performance motor control applications, integrating precision PWM, simultaneous analog acquisition, safety features, and real-time communication interfaces to replace discrete control architectures.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFDGFN#10?

The R5F526TFDGFN#10 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark in benchmark testing. This performance level enables real-time execution of complex motor control algorithms such as field-oriented control (FOC) and model predictive control (MPC) with minimal latency. The RXv3 core's single-cycle instruction execution and hardware FPU further enhance computational throughput for trigonometric and floating-point operations required in R5F526TFDGFN#10-based designs.

Does the R5F526TFDGFN#10 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFDGFN#10 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frame formats. It enables data rates up to 5 Mbps in the data phase while maintaining backward compatibility with classical CAN. This capability is essential for high-bandwidth diagnostics, firmware updates, and coordinated multi-inverter systems in R5F526TFDGFN#10-based industrial and automotive applications.

What analog peripherals are included in the R5F526TFDGFN#10, and how many A/D channels does it support?

The R5F526TFDGFN#10 includes three independent 12-bit S12ADH A/D converter units: two with 4 channels each (including sample-and-hold) and one with 14 channels, totaling 22 configurable inputs. It also integrates six analog comparators (CMPCa), two 12-bit D/A converters (R12DAb), and an on-chip temperature sensor. These peripherals support simultaneous sampling and hardware-triggered conversion-key for accurate current/voltage measurement in R5F526TFDGFN#10 motor control implementations.

What package type and pin count does the R5F526TFDGFN#10 use?

The R5F526TFDGFN#10 uses the PLQP0100KB-B package: a 100-pin Low-profile Quad Flat Package (LFQFP) with 14 × 14 mm body size and 0.5 mm lead pitch. This package provides 83 general-purpose I/O pins with 5-V tolerance, open-drain capability, and programmable drive strength-enabling direct interface with industrial sensors, gate drivers, and communication transceivers in R5F526TFDGFN#10 designs.

How does the R5F526TFDGFN#10 support IEC60730 functional safety compliance?

The R5F526TFDGFN#10 includes multiple hardware features for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist using DOC, CRC calculator (CRCA), register write protection, self-diagnostic A/D functions, and independent watchdog timer (IWDT) with windowing. These capabilities reduce reliance on external safety monitors and simplify certification efforts for R5F526TFDGFN#10-based motor drives and industrial equipment.