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Renesas R5F526TBBDND#50
- Part No.:
- R5F526TBBDND#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-WFQFN Exposed Pad
- Datasheet:
-
R5F526TBBDND#50.pdf
- Description:
- RX26TROM256RAM64QFN64TSIP,PGA,
- Quantity:
- Payment:
- Shipping:
Inventory:3,304
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Product details
Overview
R5F526TBBDND#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core delivering 709 CoreMark, 512 KB on-chip code flash memory with dual-bank operation, 64 KB SRAM, 16 KB data flash (100,000 write cycles), integrated CAN FD interface compliant with ISO 11898-1:2015, and hardware-accelerated 3-phase complementary PWM generation.
For engineers reviewing the R5F526TBBDND#50 datasheet, R5F526TBBDND#50 pinout, R5F526TBBDND#50 application, or R5F526TBBDND#50 equivalent, key selection considerations include its 100-pin LFQFP package, 120 MHz HRPWM with 260 ps timing resolution, simultaneous sampling across three 12-bit A/D units (up to 22 channels), Trusted Secure IP Lite encryption (AES-128/256), and IEC 60730 safety support including oscillation-stop detection and RAM test assistance.
Technical Context
The R5F526TBBDND#50 implements the RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and IEEE 754-compliant single-precision FPU. It supports little-endian data and instruction layout, with selectable big-endian mode, and includes a collective register bank save function for fast context switching in real-time motor control loops.
Its clock system integrates an 8–24 MHz external crystal oscillator, internal 240 kHz LOCO and 16/18/20 MHz HOCO, and a PLL synthesizer enabling 120 MHz system clock (ICLK) while independently configuring peripheral clocks: PCLKA (up to 120 MHz for MTU/GPTW/HRPWM/CAN FD), PCLKB (up to 60 MHz for SCI/RSCI/RIIC), PCLKC (up to 120 MHz for timer reference), and PCLKD (up to 60 MHz for ADC).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max, 709 CoreMark, single-cycle instruction execution |
| Memory | 512 KB code flash (dual-bank, no-wait at 120 MHz), 64 KB SRAM (no-wait), 16 KB data flash (100k erase/write cycles) |
| PWM Capability | 8-channel 32-bit GPTWa + 9-channel 16-bit MTU3d + 4-channel HRPWM (260 ps min resolution at 120 MHz) |
| Analog Peripherals | Three 12-bit S12ADH A/D units (22 total channels, simultaneous sampling), 6-channel CMPCa comparator, 2-channel 12-bit R12DAb DAC |
| Communication | 1× CAN FD (ISO 11898-1:2015), 4× SCI (SCIk/SCIh), 3× RSCI (with Manchester/HBS), 1× RIIC (400 kbps), 1× RI3C (I3C SDR), 2× RSPI (RSPId/RSPIA) |
| Safety & Security | IEC 60730 support (oscillation stop detection, self-diagnostic ADC, IWDT), MPU, Trusted Memory (TM), AES-128/256, CRCA, register write protection |
| 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 and ground | Core and I/O power domains (2.7–5.5 V); separate analog/digital supplies supported |
| XTAL/EXTAL | Main clock oscillator terminals | Connects 8–24 MHz crystal resonator for PLL reference; supports oscillation-stop detection |
| RES# | Active-low reset input | Hardware reset assertion; triggers eight reset sources including POR, LVD, and IWDT underflow |
| MTIOC0A–MTIOC9A | MTU3d waveform I/O pins | Drive 3-phase inverter legs with complementary PWM, dead-time insertion, and phase-counting mode |
| GTIOCA0–GTIOCB3 | GPTWa high-resolution PWM outputs | Support single-/3-/5-phase complementary PWM; HRPWM enables 260 ps edge placement precision |
| ADTRG0–ADTRG2 | A/D conversion trigger inputs | Accept synchronous start signals from MTU/GPTW/TMR/ELC for precise timing of motor current sampling |
| CANFD_TX, CANFD_RX | CAN FD transceiver interface | Differential bus interface compliant with ISO 11898-1:2015; supports both standard and extended frames |
| POEG0–POEG3 | Port output enable for GPTW | Hardware-controlled shutdown of PWM outputs during overcurrent or comparator fault events |
Key Features
| Feature | Design Value |
|---|---|
| High-Resolution PWM Timing | 260 ps minimum edge placement resolution via HRPWM synchronized with GPTWa, enabling precise dead-time control in SiC/GaN inverter designs |
| Simultaneous Multi-Channel Sampling | Three independent 12-bit A/D units (S12ADH) allow concurrent acquisition of up to 22 analog signals-critical for vector-controlled PMSM/BLDC motor current and voltage sensing |
| Event Link Controller (ELC) | 183 internal event signals routed without CPU intervention; enables deterministic, low-latency coordination between timers, ADC, PWM, and communication peripherals |
| Trusted Secure IP Lite | AES-128/256 encryption engine with true random number generator and secure key management-enables firmware authentication and encrypted parameter storage per IEC 62443 |
| IEC 60730 Class B Compliance Support | Integrated hardware features including oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), and register write protection reduce software certification burden |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in HVAC compressors and washing machine drum drives. IC Role / Device Role / Timing Role: Real-time motor control MCU executing FOC algorithm, generating synchronized 3-phase PWM, sampling current/voltage via simultaneous A/D, and managing CAN FD diagnostics. Use Value: 120 MHz CPU + HRPWM + ELC eliminates interrupt latency bottlenecks, enabling <1 µs current loop update times and <±0.5% torque ripple. |
Use Scenario: Variable-speed inverter control for refrigerator compressors and fan motors with energy efficiency certification requirements. IC Role / Device Role / Timing Role: Primary controller handling motor commutation, temperature monitoring (on-chip sensor), user interface, and I2C communication with display modules. Use Value: Integrated 12-bit DAC and comparator enable direct feedback conditioning; 16 KB data flash stores calibration coefficients across product lifetime. |
| Automotive Auxiliary Systems | Industrial PLC I/O Modules |
|
Use Scenario: Electric power steering (EPS) assist motor control requiring functional safety and diagnostic coverage. IC Role / Device Role / Timing Role: Safety-critical MCU performing ASIL-B-equivalent diagnostics (via MPU, TM, IWDT, CRCA), CAN FD communication with vehicle network, and high-fidelity PWM generation. Use Value: Hardware-based IEC 60730 support reduces software validation scope; dual-bank flash enables safe firmware updates without runtime interruption. |
Use Scenario: Distributed I/O module in factory automation systems requiring deterministic fieldbus communication and analog signal conditioning. IC Role / Device Role / Timing Role: Edge controller acquiring analog sensor inputs (pressure, temperature), executing local logic, and transmitting data via CAN FD or RSPI to central PLC. Use Value: 100-pin I/O count (82 GPIO, 5-V tolerant) supports mixed-signal interfacing; RI3C interface enables future upgrade to smart sensor networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TBBDFP#50 | Same RX26T Group, identical core/peripherals, but in 80-pin LFQFP (PLQP0080KB-B) package with 62 GPIO and reduced A/D channel count (15 total) | Suitable for space-constrained inverters with fewer analog inputs and simplified gate drive requirements | Select when board area is limited and full 100-pin I/O count is unnecessary; verify pin compatibility for existing PCB layout |
| R5F523T5DDFK#30 | RX23T Group part: 40 MHz CPU, 256 KB flash, 32 KB SRAM, 12-bit A/D (16 ch), no HRPWM or CAN FD; supports same 100-pin LFQFP | Targeted at cost-sensitive, lower-performance motor control where 120 MHz processing and CAN FD are not required | Choose for legacy design migration or entry-level appliances where CoreMark score and advanced PWM are non-critical |
Compared with R5F526TBBDND#50, the R5F526TBBDFP#50 offers identical functionality in a smaller footprint but sacrifices I/O count and A/D channels, while the R5F523T5DDFK#30 provides pin-compatible packaging at lower performance and feature depth-making it suitable only for less demanding motor control tasks without safety or high-bandwidth communication needs.
Availability
R5F526TBBDND#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and automotive auxiliary systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for production ramp-up.
Supply support for R5F526TBBDND#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, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX26T Group-including R5F526TBBDND#50-is designed specifically for high-efficiency, high-precision motor control in industrial inverters and home appliances, integrating hardware acceleration for FOC algorithms, robust safety features, and CAN FD connectivity.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F526TBBDND#50?
The R5F526TBBDND#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark in benchmark testing. This performance level enables real-time execution of complex motor control algorithms such as field-oriented control (FOC) and sensorless estimation within tight timing constraints. The RXv3 CPU core's single-cycle instruction execution and collective register bank save function further enhance deterministic response in time-critical applications.
Does the R5F526TBBDND#50 support CAN FD, and what standard does it comply with?
Yes, the R5F526TBBDND#50 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard (11-bit) and extended (29-bit) frame formats. It enables high-speed data transmission (up to 5 Mbps in FD mode) for diagnostics, configuration, and real-time status reporting in motor drive systems. The module includes dedicated message RAM and error counters, and operates synchronously with PCLKA up to 120 MHz.
How many A/D converter channels does the R5F526TBBDND#50 support, and what is its sampling capability?
The R5F526TBBDND#50 supports up to 22 channels across three independent 12-bit S12ADH A/D units-specifically, Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels)-all with sample-and-hold circuitry. It enables simultaneous sampling across all units, achieving a minimum conversion time of 0.9 µs per channel when ADCLK runs at 60 MHz. This capability is essential for accurate current and voltage acquisition in multi-phase motor control.
What PWM features make the R5F526TBBDND#50 suitable for inverter applications?
The R5F526TBBDND#50 delivers comprehensive PWM capabilities including 8-channel 32-bit GPTWa, 9-channel 16-bit MTU3d, and 4-channel HRPWM with 260 ps minimum resolution. It supports single-phase, 3-phase, and 5-phase complementary PWM modes with automatic dead-time insertion, phase-counting, and synchronous start/stop. These features directly address the timing precision and fault-response requirements of SiC/GaN-based inverters used in industrial and appliance motor drives.
Is the R5F526TBBDND#50 qualified for IEC 60730 compliance, and which hardware features support it?
Yes, the R5F526TBBDND#50 includes multiple hardware features to support IEC 60730 Class B compliance: oscillation-stop detection for main clock failure, independent watchdog timer (IWDT) with window function, memory protection unit (MPU), register write protection, CRC calculator (CRCA), and RAM test assistance via DOC. These reduce software implementation burden and improve diagnostic coverage for safety-critical motor control applications.
R5F526TBBDND#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-WFQFN Exposed Pad
- 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:
- 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 15x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TBBDND#50 FAQ
1.How can I place an order for R5F526TBBDND#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TBBDND#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 R5F526TBBDND#50 reliable?
The price and inventory of R5F526TBBDND#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TBBDND#50 is usually 5 days.
3.What payment methods are accepted for R5F526TBBDND#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TBBDND#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TBBDND#50?
R5F526TBBDND#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TBBDND#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 R5F526TBBDND#50?
For technical support, including R5F526TBBDND#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TBBDND#50 requirements.
6.How does Aetrix verify that R5F526TBBDND#50 is sourced from the original manufacturer or authorized distributors?
All R5F526TBBDND#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 R5F526TBBDND#50 meets industry standards.
7.What is the process for return or replacement of R5F526TBBDND#50?
All R5F526TBBDND#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TBBDND#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 R5F526TBBDND#50 part is unused and in its original packaging.
Return procedure for R5F526TBBDND#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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