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Renesas R5F526TFDDFM#50
- Part No.:
- R5F526TFDDFM#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F526TFDDFM#50.pdf
- Description:
- 32BIT MCU RX26T 512K 64LFQFP -40
- Quantity:
- Payment:
- Shipping:
Inventory:1,474
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Product details
Overview
R5F526TFDDFM#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring 120 MHz operation, 512 KB on-chip code flash, 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 R5F526TFDDFM#50 datasheet, R5F526TFDDFM#50 pinout, R5F526TFDDFM#50 application, or R5F526TFDDFM#50 equivalent, this MCU delivers deterministic real-time control for brushless DC and permanent magnet synchronous motor drives, with IEC60730-compliant safety features, dual-bank flash for safe firmware updates, and on-chip FPU for fast trigonometric computation.
Technical Context
The R5F526TFDDFM#50 implements the RXv3 CPU core with single-cycle instruction execution, 113 instructions, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching. It supports little-endian or big-endian data arrangement and includes a 32×32→64-bit multiplier and 32/32→32-bit divider.
Its clock system integrates an 8–24 MHz external crystal oscillator, internal 240 kHz LOCO and 16/18/20 MHz HOCO, PLL for 120 MHz system clock (ICLK), and dedicated 120 kHz IWDT oscillator. Peripheral clocks are independently configurable: PCLKA up to 120 MHz (for MTU3d, GPTWa, HRPWM), PCLKB up to 60 MHz (for SCI, RIIC, RI3C), and PCLKD up to 60 MHz (for S12ADH).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 709 CoreMark, 113 instructions, FPU, MPU, register bank save |
| Memory | 512 KB code flash (dual-bank, BGO), 64 KB SRAM (no-wait), 16 KB data flash (100k erase cycles) |
| PWM Capability | 8-channel 32-bit GPTWa + 4-channel HRPWM (260 ps min resolution), 3-phase/5-phase complementary modes |
| Analog Peripherals | 12-bit S12ADH ADC (22 channels total: 4+4+14), 6-channel CMPCa comparator, 2-channel 12-bit R12DAb DAC |
| Communication | CAN FD (ISO11898-1:2015), 4× SCI, 3× RSCI (with Manchester/HBS), 1× RIIC (400 kbps), 1× RI3C, 2× RSPI |
| Safety & Security | IEC60730 support (oscillation stop detection, RAM test assist, CRC, self-diagnostic A/D), AES-128/256, TRNG, Trusted Memory |
| Package & Temp | PLQP0100KB-B (100-pin LFQFP, 14×14 mm, 0.5 mm pitch), –40°C to +85°C (D-version) |
Pinout & Package
Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package (LFQFP), 14 mm × 14 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | Core and I/O supply pins (2.7–5.5 V); multiple VCC/VSS pairs ensure low-noise power distribution and EMI suppression |
| XTAL, EXTAL | Main clock oscillator interface | Connects to 8–24 MHz crystal resonator; enables PLL reference for precise 120 MHz system clock generation |
| MTIOC0A–MTIOC0D, GTIOCA–GTIOCB | PWM output terminals | Dedicated high-speed waveform outputs for MTU3d and GPTWa; support dead-time insertion, phase counting, and complementary PWM |
| ADTRG0–ADTRG3 | A/D conversion trigger inputs | Accept synchronous start triggers from timers (MTU/GPTW) or ELC events for deterministic sampling of motor current/voltage |
| CANFD_TX, CANFD_RX | CAN FD transceiver interface | Differential bus interface compliant with ISO11898-1:2015; supports data rates up to 5 Mbps in FD mode |
| POEG0–POEG3 | Port output enable for GPTW | Hardware-controlled shutdown of PWM outputs during fault conditions (e.g., short-circuit, comparator trip, oscillation stop) |
Key Features
| Feature | Design Value |
|---|---|
| High-resolution PWM timing | HRPWM achieves 260 ps minimum timing adjustment on GPTW0–GPTW3 outputs-enables precise dead-time control and distortion reduction in inverter gate drivers |
| Event Link Controller (ELC) | 183 internal event signals linked without CPU intervention-allows autonomous timer-triggered ADC sampling, PWM synchronization, and fault response |
| Trusted Memory (TM) | Code flash region protected against read access; only CPU instruction fetch permitted-secures boot code and critical firmware from unauthorized extraction |
| IEC60730 Class B compliance support | Integrated features include oscillation-stop detection, RAM test assist via DOC, CRC calculator (CRCA), A/D disconnection detection, and register write protection |
| Simultaneous sampling ADC | Three independent 12-bit S12ADH units (4+4+14 channels) with synchronized sample-and-hold-captures three-phase motor currents with <10 ns skew |
| Floating-point acceleration | On-chip FPU executes sine/cosine/arctan/hypotenuse via TFUv2 unit-reduces motor field-oriented control (FOC) loop time by >4× vs software-only math |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Closed-loop control of 3-phase BLDC/PMSM motors in HVAC compressors, washing machine drum drives, and refrigerator fans. IC Role / Device Role / Timing Role: Real-time execution of field-oriented control (FOC) algorithms, synchronized PWM generation, and current sensing via simultaneous 3-channel ADC sampling. Use Value: Enables <1 µs current-sampling-to-PWM-update latency and <260 ps dead-time tuning-critical for minimizing torque ripple and acoustic noise. |
Use Scenario: Variable-speed inverter control in induction cooktops and vacuum cleaners with overcurrent and thermal fault handling. IC Role / Device Role / Timing Role: Coordinated management of high-side/low-side gate drivers, analog sensor monitoring (NTC, current shunt), and CAN FD communication to host controller. Use Value: Integrated POEG and comparator-triggered PWM disable ensures sub-microsecond fault shutdown-meets IEC60730 Class B functional safety requirements. |
| Automotive Auxiliary Systems | Industrial PLC I/O Modules |
|
Use Scenario: Electric power steering (EPS) assist motor control and battery-powered HVAC blower systems meeting AEC-Q100 Grade 2 stress testing. IC Role / Device Role / Timing Role: Deterministic execution of safety-critical control loops, encrypted firmware update via CAN FD, and redundant voltage/current monitoring. Use Value: Dual-bank flash and Trusted Memory allow secure, atomic firmware updates without interrupting motor operation-ensuring ASIL-B alignment. |
Use Scenario: Smart digital I/O modules with local motion control, analog sensor aggregation, and industrial Ethernet gateway interfacing. IC Role / Device Role / Timing Role: Edge-processing node executing PID loops, protocol translation (CAN FD ↔ Modbus RTU), and secure key management for device authentication. Use Value: AES-256 engine and TRNG enable TLS 1.2 handshake offload and secure boot-reducing host MCU overhead and eliminating external crypto ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TADDFM#50 | Same RX26T family, 256 KB flash, 48 KB SRAM, 48-pin HWQFN (7×7 mm), fewer ADC channels (15 total), no HRPWM | Targeted at cost-sensitive, space-constrained inverter designs with reduced analog channel count and lower PWM precision needs | Select when board area and BOM cost outweigh need for 512 KB flash, 64 KB SRAM, or 260 ps HRPWM resolution |
| R5F566TEBDFP#30 | RX66T family, 160 MHz, 1 MB flash, 256 KB SRAM, enhanced GPTW (16-bit × 16 ch), 4× 12-bit ADC units (32 ch), no HRPWM | Higher-performance motor control for servo drives and robotics requiring faster FOC loops and more sensor inputs | Choose when >120 MHz CPU throughput, >64 KB SRAM, or >22 ADC channels are required-accepts larger 144-pin LQFP package |
Compared with R5F526TFDDFM#50, the R5F526TADDFM#50 reduces memory and analog resources in a smaller package for compact inverters, while the R5F566TEBDFP#30 expands processing headroom and peripheral count for advanced servo applications-neither is pin-compatible, and both require PCB redesign.
Availability
R5F526TFDDFM#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and smart PLC I/O modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F526TFDDFM#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 Corporation is a global semiconductor leader headquartered in Tokyo, Japan, delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, infrastructure, and IoT markets.
The RX26T Group-including R5F526TFDDFM#50-is designed specifically for high-efficiency, safety-certifiable motor control in inverters and industrial drives, integrating precision PWM, real-time analog acquisition, and functional safety accelerators.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F526TFDDFM#50?
The R5F526TFDDFM#50 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It delivers 709 CoreMark performance, supports single-cycle instruction execution, includes a single-precision IEEE 754 FPU, and features a memory protection unit (MPU) and collective register bank save function for deterministic real-time control.
Does the R5F526TFDDFM#50 support CAN FD, and what standard does it comply with?
Yes, the R5F526TFDDFM#50 integrates one CAN FD module compliant with ISO11898-1:2015, supporting both standard and extended frames. It enables data rates up to 5 Mbps in FD mode and includes message filtering, FIFO buffering, and error counters-making it suitable for real-time motor control networks in industrial and automotive applications.
What PWM capabilities does the R5F526TFDDFM#50 offer for motor control applications?
The R5F526TFDDFM#50 provides 8-channel 32-bit GPTWa timers plus 4-channel HRPWM with 260 ps minimum timing resolution. It supports single-phase (10 outputs), 3-phase (2 outputs), and 5-phase (2 outputs) complementary PWM modes with automatic dead-time insertion, phase counting, and ELC-triggered synchronization-optimized for BLDC and PMSM inverter gate driving.
How does the R5F526TFDDFM#50 support IEC60730 Class B compliance?
The R5F526TFDDFM#50 includes dedicated hardware for IEC60730 Class B: main clock oscillation stop detection, RAM test assist via DOC, CRC calculator (CRCA), A/D converter disconnection detection, self-diagnostic A/D functions, and register write protection. These features reduce software validation effort and enable certified safety firmware implementation.
What is the package type and pin count of the R5F526TFDDFM#50?
The R5F526TFDDFM#50 uses the PLQP0100KB-B package: a 100-pin Low-Profile Quad Flat Package (LFQFP) with 14 mm × 14 mm body size, 0.5 mm lead pitch, and exposed thermal pad. It is rated for –40°C to +85°C operation (D-version) and supports 5-V tolerant I/O pins for robust interfacing.
R5F526TFDDFM#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-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:
- 49
- 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 15x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TFDDFM#50 FAQ
1.How can I place an order for R5F526TFDDFM#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TFDDFM#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 R5F526TFDDFM#50 reliable?
The price and inventory of R5F526TFDDFM#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TFDDFM#50 is usually 5 days.
3.What payment methods are accepted for R5F526TFDDFM#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TFDDFM#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TFDDFM#50?
R5F526TFDDFM#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TFDDFM#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 R5F526TFDDFM#50?
For technical support, including R5F526TFDDFM#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TFDDFM#50 requirements.
6.How does Aetrix verify that R5F526TFDDFM#50 is sourced from the original manufacturer or authorized distributors?
All R5F526TFDDFM#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 R5F526TFDDFM#50 meets industry standards.
7.What is the process for return or replacement of R5F526TFDDFM#50?
All R5F526TFDDFM#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TFDDFM#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 R5F526TFDDFM#50 part is unused and in its original packaging.
Return procedure for R5F526TFDDFM#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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