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Renesas R5F526TBADFP#50
- Part No.:
- R5F526TBADFP#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
R5F526TBADFP#50.pdf
- Description:
- 32BIT MCU RX26T 256K LFQFP100 -4
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F526TBADFP#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 code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD interface, and high-resolution PWM with 260 ps timing resolution. It supports IEC60730 safety compliance and operates across –40°C to +85°C.
For engineers reviewing the R5F526TBADFP#50 datasheet, R5F526TBADFP#50 pinout, R5F526TBADFP#50 application, or R5F526TBADFP#50 equivalent, key selection criteria include its 120 MHz GPTWa timer with 3-phase/5-phase complementary PWM, dual-bank flash for safe firmware updates, Trusted Secure IP Lite encryption, and 83-pin LQFP package with 5-V tolerant I/Os.
Technical Context
The R5F526TBADFP#50 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and memory protection unit (MPU) supporting eight configurable protection regions. Its clock system integrates PLL, HOCO/LOCO oscillators, and independent IWDT-dedicated 120 kHz oscillator for functional safety.
Peripheral integration centers on motor control: MTU3d (9-channel 16-bit timer), GPTWa (8-channel 32-bit timer), HRPWM (4-channel high-resolution PWM), S12ADH (three 12-bit ADC units with simultaneous sampling), and CMPCa (6-channel analog comparator). All operate synchronously with PCLKA/PCLKC up to 120 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max - enables 709 CoreMark performance and real-time deterministic execution for motor control loops. |
| Memory | 512 KB code flash (no-wait at 120 MHz), 64 KB SRAM, 16 KB data flash (100k erase/write cycles) - supports dual-bank firmware updates and background programming. |
| PWM Capability | GPTWa: 8×32-bit channels; HRPWM: 4 channels with 260 ps resolution - delivers precise dead-time control and phase-shifted waveforms for 3-/5-phase inverters. |
| Analog Peripherals | S12ADH: three 12-bit ADC units (4+4+14 channels), CMPCa: 6 channels, R12DAb: 2×12-bit DAC - enables closed-loop current/voltage sensing with hardware-accelerated sampling. |
| Communication | CAN FD (ISO 11898-1:2015), 4×SCI, 3×RSCI (with LIN/HBS), RIICa (400 kbps), RI3C (I3C SDR), RSPId (30 Mbps) - provides robust fieldbus and sensor interface connectivity. |
| Safety & Security | IEC60730 self-test features, MPU, Trusted Memory (TM), CRCA, register write protection, AES-128/256, TRNG - meets Class B safety requirements and secure boot needs. |
| Package & Temp | 100-pin LQFP (PLQP0100KB-B), 14 × 14 mm, 0.5 mm pitch; operating range –40°C to +85°C - suitable for industrial motor drives with thermal and layout constraints. |
Pinout & Package
Package: PLQP0100KB-B - 100-pin low-profile quad flat package, 14 × 14 mm body, 0.5 mm pitch, exposed pad, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Core and I/O power domains; decoupling required per datasheet layout guidelines for noise-sensitive motor control operation. |
| XTAL/EXTAL | Main clock oscillator interface | Connects to 8–24 MHz crystal; enables PLL-based 120 MHz system clock with oscillation-stop detection for safety monitoring. |
| RESET# | Active-low reset input | Hardware reset initiation; compatible with external supervisor ICs for fail-safe system recovery. |
| MTU/GPTW pins (e.g., MTIOA0–MTIOB7, GTIOA0–GTIOB7) | Motor timer waveform outputs | Dedicated high-speed PWM outputs with POE3D/POEG control for short-circuit protection and dead-time management. |
| AD0–AD21 | Analog input channels | Support simultaneous sampling across three S12ADH units - critical for vector control of 3-phase motors using current reconstruction. |
| TXD0/RXD0, CAN0_TX/CAN0_RX | SCI0 and CAN FD transceiver I/O | Isolated CAN FD bus communication (up to 5 Mbps) and UART debug interface - essential for diagnostics and host coordination. |
Key Features
| Feature | Design Value |
|---|---|
| 32-bit RXv3 CPU with FPU | Enables real-time execution of complex motor algorithms (FOC, SVM) without external math coprocessor. |
| Dual-bank code flash | Allows seamless firmware updates during runtime - no system interruption required for field upgrades. |
| HRPWM with 260 ps resolution | Permits sub-nanosecond timing adjustment of PWM edges - essential for minimizing torque ripple in high-speed PMSM drives. |
| Simultaneous 3-unit ADC sampling | Acquires phase currents and DC-link voltage in one cycle - eliminates sampling skew in field-oriented control. |
| Trusted Secure IP Lite | Provides hardware-accelerated AES encryption and true random number generation - secures firmware and communication against tampering. |
| IEC60730 Class B support | Includes built-in oscillation-stop detection, RAM test assist, CRC calculator, and register write protection - reduces certification effort for safety-critical systems. |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
Use Scenario: Variable-speed control of 3-phase induction or permanent magnet synchronous motors in HVAC compressors, washing machines, and refrigeration systems. IC Role / Device Role / Timing Role: Primary motor control MCU executing field-oriented control (FOC) with synchronized PWM, ADC sampling, and CAN FD communication to master controller. Use Value: Integrated HRPWM and simultaneous ADC enable <1 µs current loop response time and <±0.5% speed regulation accuracy under load variation. |
Use Scenario: Compact inverter modules for brushless DC motors in vacuum cleaners, fans, and robotic vacuum platforms. IC Role / Device Role / Timing Role: Standalone motor controller managing commutation, overcurrent protection, and user-interface communication via SCI/I2C. Use Value: On-chip 16 KB data flash stores motor calibration parameters and firmware patches; 5-V tolerant I/O simplifies interface with legacy sensors and displays. |
| Industrial PLC I/O Modules | Renewable Energy Converters |
Use Scenario: Distributed I/O expansion modules with analog input conditioning, digital output switching, and CAN FD backplane communication in factory automation. IC Role / Device Role / Timing Role: Edge-processing node performing local signal acquisition, filtering, and protocol translation before forwarding to central PLC. Use Value: Dual-bank flash and MPU isolation allow secure remote firmware updates without compromising real-time I/O scanning integrity. |
Use Scenario: Grid-tied solar microinverters requiring precise MPPT tracking, anti-islanding detection, and isolated DC-AC conversion control. IC Role / Device Role / Timing Role: Central controller managing interleaved PWM, grid synchronization, and safety shutdown sequences per IEEE 1547. Use Value: Independent watchdog timer (IWDT) with dedicated oscillator ensures fail-safe shutdown within 10 ms upon loss of grid sync or overvoltage condition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TAAFDL#50 | Same RX26T family, 64-pin HWQFN (7 × 7 mm), 256 KB flash, 48 KB SRAM - smaller footprint, reduced peripheral count. | Limited to 2-unit ADC (7+8 channels), no HRPWM, only 4×GPTWa channels - suitable for cost-sensitive single-phase or low-power BLDC drives. | Select when board space is constrained and full 3-phase FOC with simultaneous sampling is not required. |
| R5F566TEADFP#50 | RX66T family, 100-pin LQFP, 1.2 GHz equivalent CoreMark, 1 MB flash, 256 KB SRAM, enhanced GPTW with 16-bit resolution and 128-MHz operation. | Higher PWM channel count (16×GPTW), additional EtherCAT slave interface, extended temperature grade (–40°C to +105°C) - targets high-end servo drives and robotics. | Choose for next-generation designs needing higher computational throughput, Ethernet connectivity, or extended thermal margin. |
Compared with R5F526TBADFP#50, R5F526TAAFDL#50 offers compact packaging at the expense of ADC concurrency and HRPWM capability, while R5F566TEADFP#50 delivers significantly higher processing headroom and industrial networking features - making the R5F526TBADFP#50 the optimal balance of motor control precision, safety compliance, and cost for mainstream industrial inverters.
Availability
R5F526TBADFP#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, PLC I/O modules, and renewable energy converters requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F526TBADFP#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX26T Group - including R5F526TBADFP#50 - is engineered specifically for high-performance motor control, integrating precision PWM, multi-unit ADC, and safety features to accelerate development of IEC60730-compliant inverters.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F526TBADFP#50?
The R5F526TBADFP#50 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its real-time capability for demanding motor control algorithms such as field-oriented control (FOC) and space-vector modulation (SVM), validated under standard EEMBC methodology at full speed with no wait states.
Does the R5F526TBADFP#50 support IEC60730 Class B compliance out of the box?
Yes, the R5F526TBADFP#50 includes hardware features required for IEC60730 Class B certification: oscillation-stop detection, RAM test-assisting function via DOC, CRC calculator (CRCA), register write protection, independent watchdog timer (IWDT) with dedicated oscillator, and self-diagnostic A/D converter functions. These are implemented in silicon and documented in the R01DS0407EJ0120 datasheet.
What PWM resolution and channel count does the R5F526TBADFP#50 provide for motor control?
The R5F526TBADFP#50 provides two complementary PWM subsystems: GPTWa (8-channel 32-bit timer) and HRPWM (4-channel high-resolution PWM with minimum 260 ps edge timing resolution at 120 MHz). It supports 10-channel single-phase, 3-channel 3-phase, and 2-channel 5-phase complementary PWM modes - all with programmable dead time and synchronous start/stop.
How many analog-to-digital converter channels does the R5F526TBADFP#50 support, and what is their sampling capability?
The R5F526TBADFP#50 includes three 12-bit S12ADH units totaling 22 channels (4+4+14), with dedicated sample-and-hold circuits on Units 0 and 1. It supports simultaneous sampling across all three units - enabling synchronized acquisition of three-phase currents and DC-link voltage in a single conversion cycle with 0.9 µs minimum per-channel time at 60 MHz ADCLK.
What package type and pin count does the R5F526TBADFP#50 use, and is it 5-V tolerant?
The R5F526TBADFP#50 uses a 100-pin LQFP package (PLQP0100KB-B), measuring 14 × 14 mm with 0.5 mm pitch. It features 83 general-purpose I/O pins, of which 2 are explicitly rated for 5-V tolerance - allowing direct interfacing with legacy 5-V sensors and logic without level-shifting circuitry.
R5F526TBADFP#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-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:
- 82
- 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 22x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TBADFP#50 FAQ
1.How can I place an order for R5F526TBADFP#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TBADFP#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 R5F526TBADFP#50 reliable?
The price and inventory of R5F526TBADFP#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TBADFP#50 is usually 5 days.
3.What payment methods are accepted for R5F526TBADFP#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TBADFP#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TBADFP#50?
R5F526TBADFP#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TBADFP#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 R5F526TBADFP#50?
For technical support, including R5F526TBADFP#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TBADFP#50 requirements.
6.How does Aetrix verify that R5F526TBADFP#50 is sourced from the original manufacturer or authorized distributors?
All R5F526TBADFP#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 R5F526TBADFP#50 meets industry standards.
7.What is the process for return or replacement of R5F526TBADFP#50?
All R5F526TBADFP#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TBADFP#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 R5F526TBADFP#50 part is unused and in its original packaging.
Return procedure for R5F526TBADFP#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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