Renesas R5F526T9BDFL#30

Overview

R5F526T9BDFL#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 512 KB code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD interface, and high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and includes hardware encryption (AES-128/256) and a temperature sensor.

For engineers reviewing the R5F526T9BDFL#30 datasheet, R5F526T9BDFL#30 pinout, R5F526T9BDFL#30 application, or R5F526T9BDFL#30 equivalent, key selection criteria include its 100-pin LFQFP package, dual-bank flash for safe firmware updates, simultaneous sampling across three 12-bit ADC units, and dedicated HRPWM channels for precise 3-phase inverter gate drive timing.

Technical Context

The R5F526T9BDFL#30 implements the RXv3 CPU core with single-cycle instruction execution at 120 MHz, supporting IEEE 754-compliant single-precision FPU and collective 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, PCLKB up to 60 MHz).

Peripheral architecture centers on deterministic real-time control: GPTWa (8-channel 32-bit timer) and MTU3d (9-channel 16-bit timer) provide complementary PWM generation with automatic dead-time insertion and phase-counting modes; HRPWM achieves 260 ps resolution by fine-tuning GPTW output edges; ELC enables CPU-free inter-module event chaining (183 internal signals) for synchronized ADC triggers, PWM updates, and fault responses.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-profile Quad Flat Package, 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 R5F526T9BDFL#30, the R5F526TADFL#30 offers reduced memory and ADC capability at lower cost for simpler inverters, while the R5F566TEBDFL#30 provides higher CPU throughput and expanded SRAM for complex motion control - both share the same 100-pin LFQFP footprint and core peripheral architecture.

Availability

R5F526T9BDFL#30 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 full traceability.

Supply support for R5F526T9BDFL#30 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 automotive, industrial, and IoT markets - with deep expertise in real-time control and functional safety.

The RX26T Group, including R5F526T9BDFL#30, was designed specifically for high-precision motor control in industrial inverters and automotive subsystems - integrating hardware acceleration for FOC, safety mechanisms, and robust communication interfaces.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526T9BDFL#30?

The R5F526T9BDFL#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core efficiency, including single-cycle instruction execution, 32-bit multiplier/divider, and barrel shifter - all critical for real-time motor control algorithms. The R5F526T9BDFL#30 sustains this performance with no wait states across its 512 KB flash and 64 KB SRAM.

Does the R5F526T9BDFL#30 support simultaneous sampling across multiple ADC units?

Yes, the R5F526T9BDFL#30 supports simultaneous sampling using three independent 12-bit ADC units (S12ADH): Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels). This capability enables concurrent acquisition of motor phase currents and DC-link voltage within a single PWM cycle - essential for accurate field-oriented control. The R5F526T9BDFL#30 uses hardware-triggered synchronization via MTU3d or GPTWa events to ensure sub-microsecond timing alignment.

What PWM resolution and complementary output capabilities does the R5F526T9BDFL#30 provide?

The R5F526T9BDFL#30 delivers 260 ps minimum timing resolution via its High-Resolution PWM (HRPWM) circuit applied to GPTW0–GPTW3 outputs. It supports 10 single-phase, 3 three-phase, or 2 five-phase complementary PWM configurations using GPTWa and MTU3d timers - with automatic dead-time insertion, fault shutdown via POEG inputs, and phase-counting modes. These features make the R5F526T9BDFL#30 suitable for SiC/GaN inverter gate driving where nanosecond-level timing precision is required.

Is the R5F526T9BDFL#30 qualified for IEC60730 Class B safety compliance?

Yes, the R5F526T9BDFL#30 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), register write protection, and self-diagnostic functions for ADC disconnection and clock accuracy measurement. These capabilities reduce reliance on external safety monitors and simplify certification - confirmed in Renesas' official safety manual R01UM0142EJ0100 for the RX26T Group.

What communication interfaces are integrated into the R5F526T9BDFL#30?

The R5F526T9BDFL#30 integrates CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI (with LIN and Manchester encoding), RIIC (I²C/SMBus, 400 kbps), RI3C (I3C SDR), and two RSPI channels (RSPId at 30 Mbps, RSPIA with TI SSP support). This comprehensive suite supports industrial networking, automotive diagnostics, and sensor interfacing - with ELC-enabled hardware linking of communication events to timer and ADC operations for deterministic response.