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Renesas R5F526TFDDNE#10
- Part No.:
- R5F526TFDDNE#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F526TFDDNE#10.pdf
- Description:
- 32BIT MCU RX26T 512/64K HWQFN48
- Quantity:
- Payment:
- Shipping:
Inventory:2,604
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Product details
Overview
R5F526TFDDNE#10 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, and 3-phase/5-phase complementary PWM generation with hardware dead-time control.
For engineers reviewing the R5F526TFDDNE#10 datasheet, R5F526TFDDNE#10 pinout, R5F526TFDDNE#10 application, or R5F526TFDDNE#10 equivalent, this MCU delivers deterministic real-time motor control with 260 ps HRPWM timing resolution, IEC60730-compliant safety features, and dual-bank flash for seamless firmware updates - critical for servo drives, HVAC compressors, and industrial PMSM/BLDC inverters.
Technical Context
The R5F526TFDDNE#10 implements the RXv3 CPU core with single-cycle instruction execution at 120 MHz (709 CoreMark), full IEEE 754 single-precision FPU, and collective register bank save for fast context switching in interrupt-heavy motor control loops. It integrates dedicated peripherals including GPTWa (8-channel 32-bit PWM timer), MTU3d (9-channel 16-bit timer), and HRPWM (4-channel high-resolution PWM) synchronized to PCLKC for sub-nanosecond edge placement.
Its safety architecture includes MPU with eight configurable protection areas, Trusted Memory (TM) for secure code execution, CRCA for CRC-32/8 integrity checking, independent watchdog timer (IWDTa) with windowed refresh and dedicated 120 kHz oscillator, and built-in oscillation-stop detection - all validated for IEC60730 Class B compliance in appliance and industrial motor systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 709 CoreMark, single-cycle execution, 16×32-bit GPRs + two 72-bit accumulators |
| Memory | 512 KB code flash (dual-bank, background programming), 64 KB SRAM (no-wait), 16 KB data flash (100k write cycles) |
| PWM Capability | 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM via GPTWa + MTU3d + HRPWM |
| HRPWM Resolution | 260 ps minimum edge timing resolution at 120 MHz system clock for precise gate driver timing |
| Analog Peripherals | 12-bit S12ADH ADC (21 channels total across three units), 6-channel CMPCa comparator, 2-channel 12-bit R12DAb DAC |
| Communication | CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI (with Manchester/HBS), 1× RIIC (400 kbps), 1× RI3C (I3C SDR), 2× RSPI |
| Safety Features | MPU, TM, IWDTa with windowing, CRCA, oscillation-stop detection, A/D self-diagnosis, register write protection |
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 of the RX26T Group: 82 general-purpose I/O pins, 2× 5-V tolerant inputs, 15× large-current outputs, pull-up resistors on all I/O, open-drain capability on all I/O.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | Single 2.7–5.5 V supply rail; supports direct 5 V interface without level shifters |
| XTAL/EXTAL | Main clock oscillator input/output | Connects to 8–24 MHz crystal for PLL reference; enables precise timing for motor commutation |
| MTIOC0A–MTIOC5B | MTU3d waveform I/O | Dedicated pins for 3-phase inverter PWM output with automatic dead-time insertion and fault shutdown |
| GTIOCA0–GTIOCB3 | GPTWa waveform I/O | Supports high-resolution complementary PWM generation with HRPWM fine-tuning (260 ps step) |
| AD00–AD20 | Analog input channels | 21-channel 12-bit ADC input mapping across three sample-and-hold units for simultaneous current/voltage sensing |
| TXD0/RXD0, CAN0TX/CAN0RX | SCI0 serial / CAN FD interface | Hardware UART for debug/configuration; CAN FD physical layer interface compliant with ISO 11898-1:2015 |
Key Features
| Feature | Design Value |
|---|---|
| 3-phase inverter PWM engine | Integrated MTU3d + GPTWa + POE3D enables hardware-controlled dead-time, fault shutdown, and synchronous PWM updates without CPU intervention |
| Simultaneous sampling ADC | Three independent 12-bit S12ADH units allow concurrent sampling of phase currents and DC bus voltage for vector control algorithms |
| IEC60730 safety support | Built-in oscillation-stop detection, RAM test assist (DOC), A/D disconnection detection, and CRC calculator (CRCA) meet Class B requirements |
| Secure firmware execution | Trusted Memory (TM) blocks read access to protected code flash regions while allowing CPU instruction fetch only - prevents firmware extraction |
| Event Link Controller (ELC) | 183 internal event signals enable direct peripheral-to-peripheral triggering (e.g., timer overflow → ADC start), eliminating interrupt latency in real-time control |
Applications
| Industrial Motor Drives | HVAC Compressor Control |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in factory automation systems. IC Role / Device Role / Timing Role: Real-time PWM generation, current sensing via simultaneous 3-channel ADC, and CAN FD communication for motion command and status reporting. Use Value: Hardware-accelerated 3-phase PWM with auto-dead-time and HRPWM ensures precise gate timing (<260 ps jitter), minimizing shoot-through risk and improving inverter efficiency. |
Use Scenario: Variable-speed compressor control in commercial air conditioning units requiring energy optimization and refrigerant monitoring. IC Role / Device Role / Timing Role: Sensor fusion hub integrating temperature, pressure, and current feedback; executes PID-based speed regulation and communicates via CAN FD to building management system. Use Value: Integrated 12-bit ADC with programmable gain amplifiers and analog comparators enables direct sensor interfacing without external signal conditioning, reducing BOM cost and board space. |
| Home Appliance Inverters | Industrial Servo Controllers |
Use Scenario: BLDC motor control in high-efficiency washing machines and dishwashers with torque ripple minimization. IC Role / Device Role / Timing Role: High-frequency 5-phase complementary PWM generation, real-time current loop computation using FPU, and IEC60730-compliant safety monitoring. Use Value: Dual-bank flash allows over-the-air firmware updates during idle periods without interrupting motor operation - essential for smart appliance remote maintenance. |
Use Scenario: Position and velocity control in multi-axis CNC machine tools requiring nanosecond-level PWM synchronization across axes. IC Role / Device Role / Timing Role: Deterministic real-time controller coordinating multiple GPTWa/MTU3d timers, high-speed encoder interface, and EtherCAT slave offload via ELC-triggered DMA transfers. Use Value: Event Link Controller (ELC) enables zero-latency peripheral chaining (e.g., position capture → PWM update → ADC trigger), achieving sub-microsecond control loop jitter. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TADDFP#30 | Same RX26T family, 64-pin HWQFN (PWQN0064KF-A), 256 KB flash, 48 KB SRAM, 48 I/O pins | Reduced peripheral count (e.g., 12-bit ADC limited to 15 channels, no HRPWM), lower pin count limits 3-phase inverter scalability | Select when compact size and lower cost outweigh need for full 100-pin I/O and HRPWM precision |
| R5F566TEADFP#30 | RX66T family, 160 MHz, 512 KB flash, 128 KB SRAM, enhanced FPU, 4× 12-bit ADC units, 16-channel HRPWM | Higher performance and memory, additional safety features (lockstep CPU, ECC RAM), broader industrial temperature range (–40°C to +125°C) | Select for next-generation servo drives requiring ASIL-B alignment or higher computational throughput for AI-based predictive maintenance |
Compared with R5F526TFDDNE#10, the R5F526TADDFP#30 offers reduced footprint and cost but sacrifices HRPWM resolution and ADC channel count, while the R5F566TEADFP#30 provides significantly higher compute headroom and functional safety extensions - making it suitable for automotive-adjacent industrial applications where extended temperature and redundancy are mandatory.
Availability
R5F526TFDDNE#10 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC compressor control, home appliance inverters, and industrial servo controllers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F526TFDDNE#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 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 R5F526TFDDNE#10, was designed specifically for high-performance, safety-certifiable motor control in industrial inverters and appliance compressors - integrating precision PWM, simultaneous sampling ADC, and IEC60730-compliant diagnostics into a single chip.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F526TFDDNE#10?
The R5F526TFDDNE#10 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark, measured under standard conditions per EEMBC methodology. This performance stems from its RXv3 CPU core with single-cycle instruction execution, on-chip 32-bit multiplier/divider, and barrel shifter - enabling deterministic real-time response in motor control loops. The R5F526TFDDNE#10 sustains full 120 MHz operation across its memory subsystems, including no-wait access to both 512 KB flash and 64 KB SRAM.
Does the R5F526TFDDNE#10 support CAN FD, and what standard does it comply with?
Yes, the R5F526TFDDNE#10 integrates a single-channel CAN FD module compliant with ISO 11898-1:2015, supporting both standard (11-bit) and extended (29-bit) frame formats with flexible data-rate switching. It enables high-bandwidth communication (up to 5 Mbps in data phase) for real-time motor command distribution and status reporting in industrial networks. The R5F526TFDDNE#10's CAN FD peripheral includes message RAM with configurable TX/RX buffers, error counters, and automatic retransmission - all accessible via the ELC for interrupt-free operation.
What PWM capabilities does the R5F526TFDDNE#10 provide for 3-phase inverter control?
The R5F526TFDDNE#10 delivers comprehensive 3-phase inverter PWM support via coordinated MTU3d (9-channel), GPTWa (8-channel 32-bit), and HRPWM (4-channel) modules. It generates non-overlapping complementary waveforms with hardware-configurable dead time, supports 3-phase and 5-phase modes, and enables synchronous updates across all channels. Critically, the R5F526TFDDNE#10 achieves 260 ps minimum edge resolution via HRPWM - allowing precise gate timing calibration to minimize switching losses and electromagnetic interference in high-efficiency inverters.
How does the R5F526TFDDNE#10 meet IEC60730 Class B safety requirements?
The R5F526TFDDNE#10 incorporates multiple hardware features certified for IEC60730 Class B compliance: oscillation-stop detection for main clock failure, independent watchdog timer (IWDTa) with windowed refresh and dedicated 120 kHz oscillator, CRC calculator (CRCA) for memory/data integrity, register write protection, and A/D converter self-diagnostic functions including disconnection detection. These are complemented by software-accessible safety libraries and documentation in the R01DS0407EJ0120 datasheet - enabling developers to implement robust fail-safe behavior in R5F526TFDDNE#10-based appliance and industrial motor systems.
What package type and pin count does the R5F526TFDDNE#10 use?
The R5F526TFDDNE#10 uses the PLQP0100KB-B package: a 100-pin low-profile quad flat pack (LQFP) measuring 14 × 14 mm with 0.5 mm pitch. It provides 82 general-purpose I/O pins, 2× 5-V tolerant inputs, 15× large-current outputs, and full support for all RX26T peripherals including CAN FD, multiple SCI/RSCI interfaces, and dual RSPI controllers. This package is pin-compatible with other 100-pin RX26T variants and supports standard reflow soldering processes used in industrial PCB assembly.
R5F526TFDDNE#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-WFQFN Exposed Pad
- Series:
- RX26T
- Packaging:
- Tray
- 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:
- 37
- Program Memory Size:
- 512KB (512K 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 10x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TFDDNE#10 FAQ
1.How can I place an order for R5F526TFDDNE#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TFDDNE#10 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 R5F526TFDDNE#10 reliable?
The price and inventory of R5F526TFDDNE#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TFDDNE#10 is usually 5 days.
3.What payment methods are accepted for R5F526TFDDNE#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TFDDNE#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TFDDNE#10?
R5F526TFDDNE#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TFDDNE#10 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 R5F526TFDDNE#10?
For technical support, including R5F526TFDDNE#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TFDDNE#10 requirements.
6.How does Aetrix verify that R5F526TFDDNE#10 is sourced from the original manufacturer or authorized distributors?
All R5F526TFDDNE#10 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 R5F526TFDDNE#10 meets industry standards.
7.What is the process for return or replacement of R5F526TFDDNE#10?
All R5F526TFDDNE#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TFDDNE#10, 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 R5F526TFDDNE#10 part is unused and in its original packaging.
Return procedure for R5F526TFDDNE#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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