Renesas R5F526TFDDFP#10

Overview

R5F526TFDDFP#10 from Renesas is a 32-bit RXv3 core MCU operating at 120 MHz, featuring 512 KB code flash, 64 KB SRAM, 16 KB data flash, CAN FD interface, and integrated high-resolution PWM (260 ps min. resolution) for motor control. It integrates dual 12-bit ADC units with simultaneous sampling, 6-channel analog comparators, and hardware encryption (AES-128/256) - deployed in industrial inverters and servo drives.

For engineers reviewing the R5F526TFDDFP#10 datasheet, R5F526TFDDFP#10 pinout, R5F526TFDDFP#10 application, or R5F526TFDDFP#10 equivalent, key selection criteria include its 100-pin LFQFP package, 120-MHz real-time PWM timing control, IEC60730-compliant safety features, and support for 3-phase/5-phase complementary PWM waveforms with dead-time compensation.

Technical Context

The R5F526TFDDFP#10 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and 16-register bank save for fast context switching. Its clock system combines an 8–24 MHz external crystal with PLL to generate 120 MHz ICLK, while PCLKA/PCLKC run up to 120 MHz for timers and HRPWM, and PCLKD runs at up to 60 MHz for ADC timing.

It integrates event-driven architecture via ELC (183 internal signals), enabling inter-module triggering without CPU intervention - critical for deterministic motor control. Safety functions include MPU, Trusted Memory (TM), register write protection, CRCA, and oscillation-stop detection - all aligned with IEC60730 Class B requirements.

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 R5F526TFDDFP#10, the R5F526TADDFP#10 reduces memory capacity without altering PWM timing precision or safety architecture, while the RA6T2 offers superior CPU performance at the expense of integrated functional safety peripherals and sub-nanosecond PWM control.

Availability

R5F526TFDDFP#10 is available at Aetrix Electronics and suitable for industrial motor drives, servo systems, and automotive HVAC applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFDDFP#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and infrastructure markets.

The RX26T Group - including R5F526TFDDFP#10 - is engineered specifically for high-precision motor control, integrating real-time PWM, simultaneous sampling ADC, and IEC60730 safety features in a single chip.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TFDDFP#10?

The R5F526TFDDFP#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance and includes a single-precision IEEE 754 floating-point unit (FPU), 16 general-purpose registers, and collective register bank save functionality. The R5F526TFDDFP#10 supports little-endian or big-endian data arrangement and executes instructions in one system clock cycle.

Does the R5F526TFDDFP#10 support CAN FD, and what standards does it comply with?

Yes, the R5F526TFDDFP#10 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frame formats at data rates up to 5 Mbps. It includes built-in message filtering, FIFO buffering, and error handling logic. The R5F526TFDDFP#10 requires no external transceiver for physical layer interfacing - only an external CAN bus driver is needed for node connection.

What PWM capabilities does the R5F526TFDDFP#10 offer for motor control applications?

The R5F526TFDDFP#10 provides 8×32-bit GPTWa timer channels and 4-channel HRPWM with 260 ps minimum timing resolution at 120 MHz. It supports single-phase (10 outputs), 3-phase (2 outputs), and 5-phase (2 outputs) complementary PWM modes with automatic dead-time insertion and phase-counting. The R5F526TFDDFP#10 also enables synchronous start/stop across multiple timers via ELC for tightly coordinated motor drive waveforms.

How does the R5F526TFDDFP#10 support IEC60730 functional safety compliance?

The R5F526TFDDFP#10 includes hardware-accelerated IEC60730 Class B support: memory protection unit (MPU), Trusted Memory (TM) for code flash read protection, register write protection, CRCA for data integrity, oscillation-stop detection, and independent watchdog timer (IWDT) with window function. It also provides self-diagnostic features for ADC, comparators, and clock accuracy - all documented in Renesas' IEC60730 certification kit for the RX26T Group.

What is the package type and pin count of the R5F526TFDDFP#10?

The R5F526TFDDFP#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 pitch, and exposed thermal pad. It is rated for –40°C to +85°C operation (D-version) and supports 5-V tolerant I/O pins, open-drain outputs, and programmable pull-up resistors on all 82 GPIOs.