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Renesas R5F526TBDDNE#10
- Part No.:
- R5F526TBDDNE#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-WFQFN Exposed Pad
- Datasheet:
-
R5F526TBDDNE#10.pdf
- Description:
- 32BIT MCU RX26T 256K HWQFN48 -40
- Quantity:
- Payment:
- Shipping:
Inventory:1,792
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Product details
Overview
R5F526TBDDNE#10 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, integrated CAN FD interface, and hardware-accelerated 3-phase complementary PWM generation with dead-time control.
For engineers reviewing the R5F526TBDDNE#10 datasheet, R5F526TBDDNE#10 pinout, R5F526TBDDNE#10 application, or R5F526TBDDNE#10 equivalent, this MCU delivers deterministic real-time control for brushless DC and permanent magnet synchronous motor drives, with IEC60730-compliant safety features, high-resolution PWM (260 ps timing resolution), and simultaneous sampling across three 12-bit ADC units.
Technical Context
The R5F526TBDDNE#10 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. It integrates dual-bank flash enabling background programming while executing from alternate bank, and supports Trust Secure IP Lite with AES-128/256 encryption and true random number generation.
Its timer subsystem combines eight 32-bit GPTWa channels, nine 16-bit MTU3d channels, and four HRPWM channels synchronized to PCLKC at up to 120 MHz - enabling precise phase-aligned PWM outputs for 3-phase inverters with automatic dead-time insertion and short-circuit protection via POE3D and POEG modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max operation, 709 CoreMark score - enables real-time motor control loop execution within sub-microsecond deadlines. |
| Memory | 512 KB code flash (no-wait @120 MHz), 64 KB SRAM, 16 KB reprogrammable data flash - supports complex control algorithms and field firmware updates without halting operation. |
| PWM Capability | 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM via GPTWa + MTU3d; HRPWM adds 260 ps timing resolution - ensures precise gate drive timing for SiC/GaN inverters. |
| Analog Peripherals | Three 12-bit S12ADH ADC units (4+4+14 channels), 6-channel CMPCa comparator, 2-channel 12-bit R12DAb DAC - enables simultaneous current/voltage sensing and reference generation for closed-loop motor control. |
| Communication | CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI with LIN/Manchester, RIICa (400 kbps), RI3C (I3C SDR), RSPId (30 Mbps) - provides robust multi-protocol connectivity for motor drive supervision and diagnostics. |
| Safety & Security | IEC60730-compliant self-test features (oscillation stop detection, RAM test assist, CRC calculator CRCA), MPU, Trusted Memory (TM), register write protection - meets Class B functional safety requirements. |
Pinout & Package
Package: PLQP0100KB-B (100-pin LQFP, 14 × 14 mm, 0.5 mm pitch). This package provides 82 general-purpose I/O pins with 5-V tolerance, open-drain capability, pull-up resistors, and large-current output support on 15 pins - suitable for direct interface with gate drivers and sensors.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Supports single 2.7–5.5 V operation; decoupling required per Renesas layout guidelines for stable 120 MHz core clock. |
| XTAL/EXTAL | Main clock oscillator input/output | Connects to 8–24 MHz crystal; enables PLL-based 120 MHz system clock with oscillation-stop detection for fail-safe operation. |
| RESET# | Active-low reset input | Hardware reset assertion; combined with internal POR and LVD circuits for robust power sequencing in industrial environments. |
| MTIOC0A–MTIOC3B | MTU3d waveform I/O | Dedicated 3-phase PWM output pins with automatic dead-time insertion and short-circuit fault detection via POE3D. |
| GTIOCA0–GTIOCB3 | GPTWa waveform I/O | High-resolution PWM outputs synchronized to HRPWM; configurable for complementary, phase-shifted, or 5-phase topologies. |
| ADTRG0–ADTRG2 | A/D conversion trigger inputs | Accepts synchronous triggers from MTU/GPTW timers for precise timing of current-sampling relative to PWM edges. |
| TXD0/RXD0 | SCI0 serial interface | Asynchronous UART interface for debug, configuration, or host communication; supports auto-baud detection and noise filtering. |
| CAN_TX/CAN_RX | CAN FD transceiver interface | Differential signals compliant with ISO 11898-1:2015; supports data rates up to 5 Mbps with flexible data-length coding. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | 183 internal event signals routed without CPU intervention - enables autonomous peripheral coordination (e.g., ADC trigger on PWM edge) to reduce interrupt latency. |
| Simultaneous Sampling ADC | Three independent 12-bit S12ADH units with dedicated sample-and-hold - captures motor phase currents at exact commutation points for vector control accuracy. |
| Trusted Secure IP Lite | AES-128/256 encryption engine with key management and TRNG - secures firmware updates and protects proprietary motor control algorithms from reverse engineering. |
| IEC60730 Safety Support | Integrated oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), and register write protection - reduces external safety component count for Class B certification. |
| Floating-Point Unit (FPU) | IEEE 754-compliant single-precision unit - accelerates Clarke/Park transforms and PI controller math in real time without software emulation overhead. |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC/PMSM motors in HVAC compressors and washing machine drum drives. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, generation of synchronized 3-phase PWM with <100 ns dead-time precision, and simultaneous sampling of two phase currents. Use Value: Enables >95% inverter efficiency and <5% torque ripple through deterministic 120 MHz timing, HRPWM resolution, and ELC-triggered ADC sampling. |
Use Scenario: Sensorless rotor position estimation and variable-speed control in refrigerator compressors and fan motors. IC Role / Device Role / Timing Role: Execution of back-EMF observer algorithms using FPU, generation of 5-phase PWM for multi-coil actuators, and temperature-compensated voltage regulation. Use Value: Reduces audible noise and energy consumption by enabling smooth low-speed operation with 260 ps PWM edge placement and on-chip temperature sensor feedback. |
| 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: Dual-core lockstep not supported, but leverages MPU, TM, CRCA, and register write protection to implement software-based safety mechanisms per ISO 26262. Use Value: Achieves diagnostic coverage >90% for memory, clock, and ADC subsystems using built-in self-test functions - eliminating need for external safety monitors. |
Use Scenario: Multi-axis coordinated motion control in CNC machines and packaging equipment using CAN FD network synchronization. IC Role / Device Role / Timing Role: Master node generating synchronized PWM waveforms across axes, receiving position feedback via CAN FD, and executing trajectory planning in real time. Use Value: Ensures sub-microsecond inter-axis timing alignment via ELC-linked MTU/GPTW timers and deterministic 120 MHz interrupt response for jerk-free motion profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU 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 - smaller memory and I/O count. | Limited to single-phase or low-channel-count motor control; lacks third ADC unit and full 3-phase PWM complementarity. | Select when board space is constrained and control complexity is reduced (e.g., small fans or pumps). |
| R5F566TEBDFP#30 | RX66T family part, 160 MHz CPU, 512 KB flash, 128 KB SRAM, enhanced GPTW with 12-channel 3-phase PWM support. | Higher performance for multi-motor systems or AI-enhanced predictive maintenance; includes Ethernet MAC and USBFS. | Choose for next-generation designs requiring higher computational headroom or networked diagnostics. |
Compared with R5F526TBDDNE#10, the R5F526TADDFP#30 offers footprint reduction at the cost of ADC channel count and PWM channel depth, while the R5F566TEBDFP#30 extends real-time capability with faster CPU, larger memory, and expanded peripheral integration - making it suitable for scalable platform architectures.
Availability
R5F526TBDDNE#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC motion control applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F526TBDDNE#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 specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT markets, with over 40 years of embedded systems expertise.
The RX26T Group - including R5F526TBDDNE#10 - was designed specifically for high-efficiency, safety-certifiable motor control in inverters and industrial drives, integrating hardware acceleration for FOC, real-time PWM, and IEC60730 compliance features.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F526TBDDNE#10?
The R5F526TBDDNE#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 floating-point arithmetic, and collective register bank save for rapid context switching - all critical for deterministic motor control loops. The R5F526TBDDNE#10's architecture includes a 4-Gbyte linear address space and 113 instructions optimized for real-time embedded computation.
Does the R5F526TBDDNE#10 support CAN FD, and what is its compliance level?
Yes, the R5F526TBDDNE#10 integrates a CAN FD module compliant with ISO 11898-1:2015 for both standard and extended frames. It supports data rates up to 5 Mbps in the data phase and includes built-in message filtering, FIFO buffering, and error counters - enabling robust communication in motor drive networks for diagnostics, parameter updates, and synchronized control commands. The R5F526TBDDNE#10's CAN FD implementation is fully hardware-accelerated and requires no CPU polling.
How many ADC channels does the R5F526TBDDNE#10 support, and what is their sampling capability?
The R5F526TBDDNE#10 supports 22 total channels across three independent 12-bit S12ADH ADC units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), all with dedicated sample-and-hold circuits. Minimum conversion time is 0.9 µs per channel at 60 MHz ADCLK, and simultaneous sampling across units is supported via ELC-triggered start - essential for accurate three-phase current reconstruction in motor control. The R5F526TBDDNE#10 also includes digital comparison and self-diagnostic functions for IEC60730 compliance.
What PWM resolution and topology options are available on the R5F526TBDDNE#10?
The R5F526TBDDNE#10 provides multiple PWM resources: eight 32-bit GPTWa channels, nine 16-bit MTU3d channels, and four HRPWM channels delivering 260 ps minimum timing resolution at 120 MHz. It supports single-phase complementary (10 channels), 3-phase complementary (3 channels), and 5-phase complementary (2 channels) topologies with automatic dead-time insertion, short-circuit protection via POE3D/POEG, and synchronous start/stop across channels. The R5F526TBDDNE#10's PWM system is tightly coupled with ADC triggering for precise current-sampling alignment.
Is the R5F526TBDDNE#10 qualified for industrial temperature range and safety standards?
Yes, the R5F526TBDDNE#10 is rated for the industrial temperature range of –40°C to +85°C (D-version) and includes comprehensive IEC60730 Class B support: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), register write protection, and analog input disconnection detection. These features are implemented in hardware and require no external components - enabling certified safe operation in motor drives, inverters, and industrial automation equipment. The R5F526TBDDNE#10's design meets functional safety requirements without external watchdog co-processors.
R5F526TBDDNE#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:
- 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 10x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TBDDNE#10 FAQ
1.How can I place an order for R5F526TBDDNE#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TBDDNE#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 R5F526TBDDNE#10 reliable?
The price and inventory of R5F526TBDDNE#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TBDDNE#10 is usually 5 days.
3.What payment methods are accepted for R5F526TBDDNE#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TBDDNE#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TBDDNE#10?
R5F526TBDDNE#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TBDDNE#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 R5F526TBDDNE#10?
For technical support, including R5F526TBDDNE#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TBDDNE#10 requirements.
6.How does Aetrix verify that R5F526TBDDNE#10 is sourced from the original manufacturer or authorized distributors?
All R5F526TBDDNE#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 R5F526TBDDNE#10 meets industry standards.
7.What is the process for return or replacement of R5F526TBDDNE#10?
All R5F526TBDDNE#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TBDDNE#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 R5F526TBDDNE#10 part is unused and in its original packaging.
Return procedure for R5F526TBDDNE#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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