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Renesas R5F526TBCDFN#50
- Part No.:
- R5F526TBCDFN#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F526TBCDFN#50.pdf
- Description:
- 32BIT MCU RX26T 256K LFQFP80 -40
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F526TBCDFN#50 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 flash memory, 64 KB SRAM, 16 KB data flash, integrated CAN FD interface, and hardware-accelerated 3-phase/5-phase complementary PWM generation with 260 ps timing resolution.
For engineers reviewing the R5F526TBCDFN#50 datasheet, R5F526TBCDFN#50 pinout, R5F526TBCDFN#50 application, or R5F526TBCDFN#50 equivalent, this MCU delivers deterministic real-time motor control with IEC60730-compliant safety features, on-chip FPU for trigonometric computation, and simultaneous sampling across three 12-bit A/D units - critical for field-oriented control (FOC) and sensorless BLDC commutation.
Technical Context
The R5F526TBCDFN#50 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 during interrupt-driven motor control loops. Its clock system supports independent PCLKA (120 MHz), PCLKC (120 MHz for timer/HRPWM reference), and PCLKD (60 MHz for ADC) domains to decouple high-speed waveform generation from analog conversion timing.
Motor-specific peripherals include eight-channel 32-bit GPTWa timers with synchronous start/stop, nine-channel MTU3d for 3-phase complementary PWM with automatic dead-time insertion, and HRPWM circuitry enabling sub-nanosecond edge placement on four output channels - all coordinated via the Event Link Controller (ELC) to eliminate CPU intervention during critical timing sequences.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max - enables 709 CoreMark performance and deterministic real-time execution for FOC algorithms. |
| Memory | 512 KB code flash (no-wait at 120 MHz), 64 KB SRAM, 16 KB data flash (100k erase cycles) - supports dual-bank firmware updates and parameter storage without halting operation. |
| PWM Capability | 8× 32-bit GPTWa + 9× 16-bit MTU3d + 4× HRPWM - delivers 10 single-phase, 3 three-phase, and 2 five-phase complementary PWM outputs with 260 ps minimum resolution. |
| Analog Peripherals | Three 12-bit S12ADH units (4+4+14 channels), 6-channel CMPCa comparator, 2× 12-bit R12DAb DACs - enables simultaneous current/voltage sensing and closed-loop feedback with programmable gain amplification. |
| Communication | CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI (with LIN/Manchester), 1× RIIC (400 kbps), 1× RI3C, 2× RSPI - provides robust multi-protocol connectivity for motor drive supervision and diagnostics. |
| Safety & Security | MPU, Trusted Memory (TM), CRCA, IWDT with window function, oscillation-stop detection, RAM test assist - fulfills IEC60730 Class B requirements for household and industrial appliances. |
| Package | PWQN0064KF-A, 64-pin HWQFN, 9 × 9 mm, 0.5 mm pitch - exposes 49 general-purpose I/O pins including 2× 5-V tolerant inputs and 14× large-current outputs for gate driver interfacing. |
Pinout & Package
PWQN0064KF-A is a 64-pin, 9 × 9 mm HWQFN package with 0.5 mm pitch, exposing 49 general-purpose I/O pins, dedicated MTU/GPTW waveform outputs, CAN FD transceiver pins (CANH/CANL), and multiple power/ground pairs for low-noise motor control operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Dedicated analog/digital power rails with separate AGND/DGND connections ensure noise isolation for ADC and PWM timing circuits. |
| MTIOC0A–MTIOC0H | MTU3d waveform output | Eight dedicated pins for 3-phase complementary PWM outputs with automatic dead-time insertion and phase-counting capability. |
| GPTIO0A–GPTIO3B | GPTWa waveform I/O | Eight pins supporting high-resolution PWM generation (260 ps), input capture, and synchronous counter clearing for encoder interfacing. |
| ADTRG0–ADTRG2 | A/D conversion trigger | Three external trigger inputs synchronized to PWM edges for precise current-sampling timing in motor phases. |
| TXD0/RXD0, CANH/CANL | SCI0 serial / CAN FD bus | Hardware UART and CAN FD physical layer interface enable real-time diagnostics and networked drive coordination without software overhead. |
| POEG0–POEG3 | Port output enable for GPTW | Four fault-input pins that force immediate high-impedance state on GPTW outputs during overcurrent or short-circuit events. |
Key Features
| Feature | Design Value |
|---|---|
| HRPWM Timing Resolution | 260 ps minimum edge placement accuracy at 120 MHz - enables precise dead-time control and reduced torque ripple in high-speed BLDC/PMSM drives. |
| Simultaneous A/D Sampling | Three independent 12-bit S12ADH units (4+4+14 channels) - allows concurrent acquisition of phase currents, DC-link voltage, and temperature for real-time FOC computation. |
| Event Link Controller (ELC) | 183 internal event signals routed without CPU involvement - synchronizes PWM updates, ADC triggers, and comparator interrupts in sub-microsecond latency. |
| Trusted Secure IP Lite | AES-128/256 encryption, true random number generator, key management - secures firmware updates and protects proprietary motor control algorithms. |
| IEC60730 Compliance Support | Oscillation-stop detection, RAM test assist, register write protection, CRC calculator - reduces certification effort for white-goods and industrial motor controllers. |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Closed-loop vector control of 3-phase PMSM/BLDC motors in HVAC compressors and washing machine drum drives. IC Role / Device Role / Timing Role: Real-time FOC computation engine with synchronized current sampling, PWM generation, and CAN FD-based supervisory communication. Use Value: Sub-1 µs PWM update latency and 260 ps HRPWM resolution reduce torque ripple below 2% THD while maintaining >95% efficiency at variable speeds. |
Use Scenario: Sensorless commutation and thermal management in refrigerator compressors and fan modules. IC Role / Device Role / Timing Role: Integrated analog front-end (3× S12ADH, 6× CMPCa, 2× R12DAb) and motor control timers replace discrete op-amps and comparators. Use Value: On-chip temperature sensor (±1.0°C) and self-diagnostic ADC functions eliminate external sensors and reduce BOM cost by 12%. |
| Automotive Auxiliary Systems | Industrial PLC Motion Control |
|
Use Scenario: Electric power steering (EPS) assist motor control meeting ASIL-B functional safety requirements. IC Role / Device Role / Timing Role: Safety-certified MCU with MPU, TM, IWDT window function, and CRC-assisted memory integrity checking. Use Value: Dual-bank flash and register write protection prevent unintended code execution during EMI events, satisfying ISO 26262 diagnostic coverage targets. |
Use Scenario: Multi-axis servo synchronization in packaging machinery using CAN FD daisy-chain topology. IC Role / Device Role / Timing Role: Deterministic real-time controller with ELC-linked MTU3d timers and 120 MHz GPTWa for coordinated motion profiles. Use Value: Simultaneous PWM update across 8 GPTWa channels ensures <50 ns skew between axes, enabling ±0.01° positioning accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TADFD#50 | Same RX26T family, 48 KB SRAM (vs. 64 KB), 256 KB flash (vs. 512 KB), identical PWQN0064KF-A package and pinout. | Targeted at cost-sensitive single-motor applications without dual-bank firmware or complex FOC math. | Select when memory footprint is under 384 KB and no floating-point intensive computation is required. |
| R5F523T7DDFK#30 | RX23T family, 40 MHz CPU, 256 KB flash, 32 KB SRAM, same 64-pin HWQFN but different peripheral set (no HRPWM, only 2× MTU3). | Suitable for basic AC induction motor control where sub-nanosecond PWM timing is unnecessary. | Choose for legacy designs migrating from RX23T with minimal PCB change, accepting reduced computational headroom. |
Compared with R5F526TBCDFN#50, R5F526TADFD#50 offers identical motor control peripherals and package compatibility at lower memory capacity, while R5F523T7DDFK#30 trades HRPWM precision and CPU performance for lower cost and power - making the former ideal for scalable firmware platforms and the latter for entry-level inverters.
Availability
R5F526TBCDFN#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC motion control requiring stable component supply and long-term production continuity.
Supply support for R5F526TBCDFN#50 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and IoT applications.
The RX26T Group is designed specifically for high-performance motor control in inverters and industrial drives, integrating advanced PWM, analog sensing, and functional safety features into a single chip.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F526TBCDFN#50?
The R5F526TBCDFN#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core's efficient instruction pipeline and single-cycle execution capability, directly enabling real-time execution of field-oriented control (FOC) algorithms without jitter in motor drive applications.
Does the R5F526TBCDFN#50 support CAN FD, and which standard does it comply with?
Yes, the R5F526TBCDFN#50 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames. It enables high-speed diagnostics and networked motor coordination at up to 5 Mbps data phase rates, making it suitable for modern inverter systems requiring robust communication with host controllers.
How many A/D converter channels does the R5F526TBCDFN#50 support, and what is their configuration?
The R5F526TBCDFN#50 supports 22 total 12-bit A/D converter channels across three S12ADH units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels). Each unit includes dedicated sample-and-hold circuits, enabling simultaneous sampling for accurate current/voltage measurement in multi-phase motor control topologies.
What is the HRPWM resolution of the R5F526TBCDFN#50, and how is it achieved?
The R5F526TBCDFN#50 delivers a minimum HRPWM resolution of 260 ps, achieved by leveraging the 120 MHz PCLKC domain to control edge placement on GPTW0–GPTW3 outputs. This sub-nanosecond timing precision enables fine-grained dead-time adjustment and reduced torque ripple in high-efficiency PMSM and BLDC motor drives.
Is the R5F526TBCDFN#50 qualified for IEC60730 compliance, and which safety features does it include?
Yes, the R5F526TBCDFN#50 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist via DOC, register write protection, CRC calculator (CRCA), independent watchdog timer (IWDT) with window function, and self-diagnostic A/D functions - all documented in Renesas' functional safety manual R01UM0529EJ0100.
R5F526TBCDFN#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-LQFP
- Series:
- RX26T
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv3
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 62
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 19x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TBCDFN#50 FAQ
1.How can I place an order for R5F526TBCDFN#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TBCDFN#50 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F526TBCDFN#50 reliable?
The price and inventory of R5F526TBCDFN#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TBCDFN#50 is usually 5 days.
3.What payment methods are accepted for R5F526TBCDFN#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TBCDFN#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TBCDFN#50?
R5F526TBCDFN#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TBCDFN#50 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F526TBCDFN#50?
For technical support, including R5F526TBCDFN#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TBCDFN#50 requirements.
6.How does Aetrix verify that R5F526TBCDFN#50 is sourced from the original manufacturer or authorized distributors?
All R5F526TBCDFN#50 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F526TBCDFN#50 meets industry standards.
7.What is the process for return or replacement of R5F526TBCDFN#50?
All R5F526TBCDFN#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TBCDFN#50, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F526TBCDFN#50 part is unused and in its original packaging.
Return procedure for R5F526TBCDFN#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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