Renesas R5F526T9BDFP#10

Overview

R5F526T9BDFP#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 flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD, dual 12-bit ADC units with simultaneous sampling, and 4-channel high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and Trusted Secure IP Lite encryption.

For engineers reviewing the R5F526T9BDFP#10 datasheet, R5F526T9BDFP#10 pinout, R5F526T9BDFP#10 application, or R5F526T9BDFP#10 equivalent, this MCU delivers deterministic real-time control for brushless DC and permanent magnet synchronous motor drives, with hardware-accelerated trigonometric functions (TFUv2), event-linked peripheral coordination (ELC), and robust fault detection including oscillation-stop detection and RAM self-test.

Technical Context

The R5F526T9BDFP#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. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated 120 kHz oscillator, enabling independent domain clocking: ICLK up to 120 MHz, PCLKA up to 120 MHz (for MTU/GPTW/HRPWM), PCLKB up to 60 MHz, and PCLKD up to 60 MHz for ADC.

Peripheral coordination is managed via the Event Link Controller (ELC), supporting 183 internal event signals for interrupt-free inter-module triggering-e.g., GPTW timer overflow directly initiating A/D conversion or comparator output disabling PWM outputs through POEG. Safety features include MPU (8 regions, 16-byte granularity), Trusted Memory (TM) for code protection, register write protection, CRCA for CRC-32/8, and dedicated self-diagnostic circuits for ADC disconnection and clock accuracy monitoring.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-profile Quad Flat Package, 14 mm × 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 R5F526T9BDFP#10, R5F526TADFP#10 offers reduced memory and no simultaneous dual-ADC sampling, while R5F566TEBDFP#10 trades HRPWM and TFUv2 for raw CPU speed and larger flash-making R5F526T9BDFP#10 uniquely balanced for cost-constrained, noise-sensitive inverter designs requiring deterministic sub-microsecond timing.

Availability

R5F526T9BDFP#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, PLC I/O modules, and renewable energy converters requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for R5F526T9BDFP#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 R5F526T9BDFP#10-is designed specifically for high-performance, safety-aware motor control in industrial and consumer inverters, integrating precision PWM, simultaneous analog capture, and IEC60730-compliant hardware diagnostics.

FAQ

What is the maximum operating frequency and CPU architecture of the R5F526T9BDFP#10?

The R5F526T9BDFP#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It achieves 709 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point unit (FPU), and collective register bank save for rapid context switching-key for real-time motor control loops. The R5F526T9BDFP#10 also includes memory protection unit (MPU) and Trusted Memory (TM) for secure code execution.

Does the R5F526T9BDFP#10 support CAN FD, and what standard does it comply with?

Yes, the R5F526T9BDFP#10 integrates a CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frames with data rates up to 5 Mbps. This enables high-bandwidth communication in motor drive systems, such as exchanging torque commands, status telemetry, and fault logs between inverter modules and master controllers. The R5F526T9BDFP#10's CAN FD implementation includes hardware message filtering and FIFO buffering to reduce CPU load during burst traffic.

How many ADC channels does the R5F526T9BDFP#10 support, and what is its sampling capability?

The R5F526T9BDFP#10 supports two independent 12-bit S12ADH ADC units totaling 15 channels (7+8), with simultaneous sampling across both units enabled. Minimum conversion time is 0.9 µs per channel when ADCLK runs at 60 MHz. Each unit includes dedicated sample-and-hold circuits (3 channels per unit), programmable gain amplifiers, and digital comparison-making the R5F526T9BDFP#10 ideal for synchronized current/voltage acquisition in three-phase motor control applications.

What PWM resolution and features does the R5F526T9BDFP#10 offer for motor control?

The R5F526T9BDFP#10 provides 8-channel 32-bit GPTWa timers plus 4-channel High-Resolution PWM (HRPWM) with a minimum timing resolution of 260 ps at 120 MHz operation. It supports single-phase, 3-phase, and 5-phase complementary PWM modes with automatic dead-time insertion, phase-counting, and ELC-triggered synchronization. These capabilities enable precise gate driver timing in inverters, minimizing electromagnetic interference and torque ripple-core requirements addressed by the R5F526T9BDFP#10's dedicated HRPWM hardware.

Is the R5F526T9BDFP#10 qualified for IEC60730 safety compliance, and which hardware features support it?

Yes, the R5F526T9BDFP#10 includes multiple hardware features certified for IEC60730 Class B compliance: main clock oscillation stop detection, ADC input disconnection check, independent watchdog timer (IWDT) with configurable window function, CRC calculator (CRCA), memory protection unit (MPU), Trusted Memory (TM), and DOC-assisted RAM test. These are implemented in silicon-not software libraries-ensuring deterministic, low-overhead safety monitoring critical for R5F526T9BDFP#10-based inverter designs in white goods and industrial equipment.