Renesas R5F526TFADND#30

Overview

R5F526TFADND#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core, 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 includes Trusted Secure IP Lite encryption.

For engineers reviewing the R5F526TFADND#30 datasheet, R5F526TFADND#30 pinout, R5F526TFADND#30 application, or R5F526TFADND#30 equivalent, key selection criteria include 120 MHz real-time PWM timing precision, dual-bank flash for safe firmware updates, simultaneous sampling across three 12-bit ADC units, and hardware-accelerated trigonometric functions for field-oriented control (FOC) algorithms.

Technical Context

The R5F526TFADND#30 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching in motor control loops. Its clock system integrates PLL, HOCO/LOCO oscillators, and independent IWDT-dedicated 120 kHz oscillator for fail-safe timing.

Peripheral coordination is managed via Event Link Controller (ELC), enabling direct inter-module triggering without CPU intervention - critical for synchronized PWM generation, ADC sampling, and fault response. The GPTWa timer supports 3-phase complementary PWM with programmable dead time, while HRPWM refines edge placement to ±260 ps at 120 MHz.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B (100-pin LQFP, 14 × 14 mm, 0.5 mm pitch). Pin count and I/O configuration match the 100-pin variant: 82 general-purpose I/O pins with 5-V tolerance, open-drain capability, pull-up resistors, and 15 high-current output pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFADND#30, R5F526TAAFD#30 offers reduced size and cost but sacrifices ADC channel count and PWM flexibility, while R5F566TEADFP#30 delivers significantly higher compute headroom and memory for next-generation digital power architectures - making R5F526TFADND#30 the optimal balance of precision motor control features, safety certification readiness, and production scalability.

Availability

R5F526TFADND#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and industrial power converters requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFADND#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group, including R5F526TFADND#30, was designed specifically for high-precision motor control in inverters and industrial drives - integrating hardware acceleration, safety features, and real-time peripherals into a single-chip solution.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFADND#30?

The R5F526TFADND#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its real-time processing capability for demanding motor control algorithms, including field-oriented control and predictive current regulation. The RXv3 core's single-cycle instruction execution and integrated FPU directly contribute to this score, making R5F526TFADND#30 suitable for computationally intensive embedded applications where deterministic latency is critical.

Does the R5F526TFADND#30 support IEC60730 Class B compliance out of the box?

Yes, the R5F526TFADND#30 includes dedicated hardware features for IEC60730 Class B compliance, such as oscillation-stoppage detection, RAM test-assisting function via DOC, CRC calculator (CRCA), independent watchdog timer (IWDTa), and register write protection. These are documented in the R01DS0407EJ0120 datasheet and enable certified self-test routines without external components - essential for industrial and white-goods applications requiring functional safety validation.

What package type and pin count does the R5F526TFADND#30 use?

The R5F526TFADND#30 uses the PLQP0100KB-B package: a 100-pin LQFP measuring 14 × 14 mm with 0.5 mm pitch. It provides 82 general-purpose I/O pins, including 2 with 5-V tolerance and 15 high-current outputs. This package matches the full-featured variant of the RX26T Group and supports all peripherals described in the datasheet, including triple ADC units and eight GPTWa channels.

How many ADC units and channels does the R5F526TFADND#30 support, and what is their sampling capability?

The R5F526TFADND#30 supports three 12-bit S12ADH ADC units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), totaling 22 configurable inputs. With simultaneous sampling across all units and a minimum conversion time of 0.9 µs per channel (at 60 MHz ADCLK), it enables precise, time-aligned acquisition of motor phase currents and DC-link voltage - critical for high-fidelity vector control in inverters and servo drives.

What security features are integrated into the R5F526TFADND#30 for firmware protection?

The R5F526TFADND#30 integrates Trusted Secure IP Lite, offering AES-128/256 encryption (ECB/CBC/GCM modes), a true random number generator (TRNG), and secure key management. It also includes Trusted Memory (TM) to prevent read-out of protected code flash regions and register write protection to guard against unintended overwrites. These features collectively safeguard firmware integrity, intellectual property, and secure boot processes - meeting requirements for connected industrial and consumer devices.