Renesas R5F526TBCDFN#10

Overview

R5F526TBCDFN#10 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 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 R5F526TBCDFN#10 datasheet, R5F526TBCDFN#10 pinout, R5F526TBCDFN#10 application, or R5F526TBCDFN#10 equivalent, this MCU delivers deterministic real-time motor control with IEC 60730-compliant safety features, dual-bank flash for seamless firmware updates, and Trusted Secure IP Lite encryption - critical for industrial drives, servo systems, and embedded power electronics design.

Technical Context

The R5F526TBCDFN#10 implements the RXv3 CPU core with single-cycle instruction execution at 120 MHz, supporting 709 CoreMark and including a single-precision FPU compliant with IEEE 754. It integrates dedicated motor control peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) for multi-phase PWM, plus HRPWM circuitry enabling 260 ps edge placement resolution on four output channels.

Its clock system combines an 8–24 MHz external crystal oscillator with PLL synthesis, internal HOCO/LOCO oscillators, and independent IWDT-dedicated 120 kHz clock. Safety architecture includes MPU, Trusted Memory (TM), register write protection, CRCA, and self-diagnostic A/D disconnection detection - all aligned with IEC 60730 Class B requirements.

Key Specifications

Pinout & Package

PWQN0064KF-A is a 64-pin, 9 × 9 mm, 0.5 mm pitch HWQFN package with exposed thermal pad, rated for industrial temperature range (–40°C to +105°C). Pin functions are defined per Renesas R01DS0407EJ0120 Rev.1.20, Table 1.2 and Section 5 "Pin Functions".

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TBCDFN#10, R5F526TADFN#10 offers identical motor control hardware in a cost-optimized memory configuration, while R5F523T5DDFK#30 provides a smaller-footprint alternative with scaled-down PWM and analog resources - both require validation of flash layout, safety library compatibility, and thermal performance in target inverter topologies.

Availability

R5F526TBCDFN#10 is available at Aetrix Electronics and suitable for industrial motor drives, servo control systems, onboard charger controllers, and PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under extended temperature operation.

Supply support for R5F526TBCDFN#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 delivering microcontrollers, analog, power, and SoC products for automotive, industrial, infrastructure, and IoT applications.

The RX26T Group - including R5F526TBCDFN#10 - is engineered specifically for high-performance motor control in industrial inverters and servo drives, integrating precision PWM, safety-certified peripherals, and real-time processing to replace discrete analog/motor control IC combinations.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526TBCDFN#10?

The R5F526TBCDFN#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core, achieving 709 CoreMark performance. It includes a single-precision IEEE 754 floating-point unit, collective register bank save function, and memory protection unit (MPU) - all confirmed in Renesas document R01DS0407EJ0120 Rev.1.20. The R5F526TBCDFN#10 leverages these capabilities for deterministic real-time motor control loops.

Does the R5F526TBCDFN#10 support CAN FD, and what standard does it comply with?

Yes, the R5F526TBCDFN#10 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames at data rates up to 5 Mbps. This capability is explicitly documented in Section 1.1 and Table 1.1 of R01DS0407EJ0120 Rev.1.20. The R5F526TBCDFN#10 uses this interface for high-speed diagnostics and parameter exchange in industrial drive networks.

What PWM resolution and channel count does the R5F526TBCDFN#10 provide for motor control?

The R5F526TBCDFN#10 delivers 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM via its GPTWa and MTU3d timers, plus 4-channel High-Resolution PWM (HRPWM) with 260 ps minimum edge placement resolution at 120 MHz operation. These specifications are verified in Sections 1.1 and 1.4 of R01DS0407EJ0120 Rev.1.20. The R5F526TBCDFN#10 uses this capability to achieve low-THD switching in SiC/GaN-based inverters.

What safety and security features are integrated into the R5F526TBCDFN#10?

The R5F526TBCDFN#10 includes IEC 60730 Class B support features: memory protection unit (MPU), Trusted Memory (TM) for flash protection, register write protection, CRCA for data integrity, independent watchdog timer (IWDT), oscillation-stop detection, and A/D self-diagnostic functions. These are detailed in Sections 1.1 and 1.5 of R01DS0407EJ0120 Rev.1.20. The R5F526TBCDFN#10 leverages them to simplify functional safety certification for industrial motor drives.

What package type and temperature grade is the R5F526TBCDFN#10 shipped in?

The R5F526TBCDFN#10 is supplied in the PWQN0064KF-A package: a 64-pin HWQFN measuring 9 × 9 mm with 0.5 mm pitch and an exposed thermal pad, rated for –40°C to +105°C (G-version). This is confirmed in the "Package Information" section of R01DS0407EJ0120 Rev.1.20. The R5F526TBCDFN#10's thermal design supports continuous operation in enclosed industrial enclosures without forced air cooling.