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Renesas R5F526TBDDFN#50
- Part No.:
- R5F526TBDDFN#50
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 80-LQFP
- Datasheet:
-
R5F526TBDDFN#50.pdf
- Description:
- 32BIT MCU RX26T 256K LFQFP80 -40
- Quantity:
- Payment:
- Shipping:
Inventory:4,183
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Product details
Overview
R5F526TBDDFN#50 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and power conversion, 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 R5F526TBDDFN#50 datasheet, R5F526TBDDFN#50 pinout, R5F526TBDDFN#50 application, or R5F526TBDDFN#50 equivalent, key selection considerations include its 100-pin HWQFN package (PLQP0100KB-B), dual-bank flash for safe firmware updates, 3-phase/5-phase complementary PWM generation, simultaneous sampling across three 12-bit A/D units, and Trusted Secure IP Lite encryption support.
Technical Context
The R5F526TBDDFN#50 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. Its clock system integrates an 8–24 MHz external crystal oscillator, PLL, and dedicated 120 kHz IWDT oscillator - all synchronized to independent peripheral clocks (PCLKA up to 120 MHz, PCLKB/C/D at defined ratios).
Motor control functionality is enabled by tightly coupled peripherals: GPTWa (32-bit × 8 channels) and MTU3d (16-bit × 9 channels) provide complementary PWM with automatic dead-time insertion, while HRPWM refines edge timing to ±260 ps. The ELC allows event-triggered operation of timers, ADCs, and PWM without CPU intervention - critical for deterministic real-time response in inverter gate drive sequences.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max - delivers 709 CoreMark; enables real-time field-oriented control (FOC) loop execution within sub-μs deadlines. |
| Memory | 512 KB code flash (dual-bank), 64 KB SRAM, 16 KB data flash - supports background programming and safe firmware updates during operation. |
| PWM Capability | 10-channel single-phase, 3-channel 3-phase, 2-channel 5-phase complementary PWM + 4-channel HRPWM (260 ps resolution) - directly drives 3-phase inverters with precise dead-time control. |
| Analog Peripherals | Three 12-bit A/D units (4+4+14 channels), 6-channel analog comparator, 2-channel 12-bit DAC - enables simultaneous current/voltage sensing and closed-loop feedback in motor drives. |
| Communication | CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI (with LIN/Manchester), RIIC, RI3C, RSPId - provides robust diagnostics, host communication, and sensor interfacing in industrial drives. |
| Safety & Security | IEC60730 self-test features (oscillation stop detection, RAM test, CRC), MPU, Trusted Memory, AES-128/256, TRNG - meets Class B functional safety requirements. |
| Package | PLQP0100KB-B: 100-pin HWQFN, 14 × 14 mm, 0.5 mm pitch - supports high-density motor control PCB layouts with thermal pad for power-stage thermal management. |
Pinout & Package
Package: PLQP0100KB-B - 100-pin HWQFN (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Designed for high-power motor control applications requiring low thermal resistance and compact footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply / Ground | Dedicated pins for core (1.8 V), I/O (3.3 V or 5 V tolerant), and analog (AVCC2) domains - enable clean separation of digital noise from sensitive analog measurement paths. |
| XTAL, EXTAL | Main clock oscillator interface | Connects to 8–24 MHz crystal resonator - serves as PLL reference for stable 120 MHz system clock and jitter-free PWM timing base. |
| MTIOC0A–MTIOC3B | MTU3d waveform I/O | Drive 3-phase inverter leg outputs with complementary PWM; hardware-dead-time insertion prevents shoot-through in power stages. |
| ADTRG0–ADTRG2 | A/D conversion trigger inputs | Synchronize sampling of current/voltage sensors precisely to PWM center-aligned or edge-aligned switching events. |
| GTIOCA0–GTIOCB3 | GPTWa high-resolution PWM outputs | Deliver 260 ps edge placement accuracy for fine-tuned gate timing - essential for SiC/GaN-based high-frequency inverters. |
| CANFD_TX, CANFD_RX | CAN FD transceiver interface | Direct connection to ISO 11898-1:2015-compliant physical layer - enables high-speed (up to 5 Mbps) diagnostics and configuration in industrial motor networks. |
Key Features
| Feature | Design Value |
|---|---|
| Event Link Controller (ELC) | Links 183 internal events (e.g., timer overflow → ADC start → DMA transfer) without CPU involvement - reduces interrupt latency and improves real-time determinism. |
| Simultaneous Sampling A/D | Three independent 12-bit S12ADH units sample up to 22 channels concurrently - captures phase currents and DC-link voltage in one cycle for accurate FOC vector calculation. |
| Trusted Secure IP Lite | AES-128/256 encryption, TRNG, and secure key management - protects firmware intellectual property and enables secure over-the-air (OTA) updates in connected drives. |
| IEC60730 Safety Support | Hardware-accelerated RAM test, oscillation-stop detection, CRC calculator (CRCA), and register write protection - simplifies certification for Class B appliance and industrial motor controllers. |
| High-Resolution PWM (HRPWM) | 260 ps minimum timing resolution on GPTW0–GPTW3 outputs - enables precise dead-time compensation and adaptive gate driving for wide-bandgap power devices. |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Variable-speed control of 3-phase induction or PMSM motors in HVAC compressors, washing machine drums, and pump systems. IC Role / Device Role / Timing Role: Real-time FOC computation engine with synchronized current sensing, PWM generation, and CAN FD diagnostics interface. Use Value: Enables >95% efficiency across load range via precise 120 MHz PWM timing and simultaneous 3-unit A/D sampling - reducing torque ripple and acoustic noise. |
Use Scenario: Compact inverter modules for refrigerator compressors and fan motors where space, thermal performance, and safety certification are critical. IC Role / Device Role / Timing Role: Integrated motor controller with embedded safety functions (IEC60730), 5 V-tolerant I/O, and thermal sensor for closed-loop temperature protection. Use Value: Eliminates need for external safety monitors and discrete PWM drivers - cuts BOM cost and board area while meeting UL/EN60335 requirements. |
| Electric Power Steering (EPS) | Industrial Servo Amplifiers |
|
Use Scenario: High-reliability torque assist control in automotive EPS systems requiring ASIL-B readiness and functional safety mechanisms. IC Role / Device Role / Timing Role: Safety-certifiable MCU executing torque calculation, fault monitoring, and CAN FD communication with vehicle network. Use Value: MPU, Trusted Memory, and hardware CRC accelerate ASIL-B decomposition - reduces software qualification effort for ISO 26262 compliance. |
Use Scenario: High-precision position/speed control in factory automation servo drives using encoder feedback and current-loop regulation. IC Role / Device Role / Timing Role: Deterministic motion controller with 260 ps HRPWM, 12-bit DAC for analog command interfaces, and RSPIA for encoder data acquisition. Use Value: Sub-microsecond PWM edge placement and synchronized multi-channel ADC capture ensure <±0.1% speed regulation accuracy under dynamic loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TADDFN#50 | Same RX26T family, identical 100-pin HWQFN package, but with 256 KB code flash and 48 KB SRAM - reduced memory capacity. | Suitable for cost-sensitive motor control designs with simpler algorithms or smaller firmware footprints. | Select when full 512 KB flash is unnecessary and BOM cost optimization is prioritized over future firmware scalability. |
| R5F523T5DDFN#50 | RX23T family part in same 100-pin HWQFN package; 40 MHz CPU, 256 KB flash, no HRPWM or dual-bank flash - lacks 120 MHz timing precision and safety acceleration blocks. | Applicable for basic BLDC commutation or lower-performance fans/pumps where advanced FOC or safety certification is not required. | Choose only for legacy design migration or non-safety-critical applications - cannot replace R5F526TBDDFN#50 in IEC60730 or high-frequency SiC/GaN inverter designs. |
Compared with R5F526TADDFN#50 and R5F523T5DDFN#50, the R5F526TBDDFN#50 uniquely combines 120 MHz deterministic timing, dual-bank flash for safe OTA updates, and hardware-accelerated IEC60730 functions - making it the only option among the three qualified for Class B-certified, high-efficiency motor drives with wide-bandgap power stages.
Availability
R5F526TBDDFN#50 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, electric power steering systems, and industrial servo amplifiers requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for R5F526TBDDFN#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 is a global semiconductor leader specializing in microcontrollers, analog, power, and connectivity solutions for automotive, industrial, and IoT markets.
The RX26T Group - including the R5F526TBDDFN#50 - was designed specifically for high-performance motor control and power conversion applications, integrating precision PWM, safety features, and real-time processing in a single chip.
FAQ
What is the maximum operating frequency and CPU architecture of the R5F526TBDDFN#50?
The R5F526TBDDFN#50 features a 32-bit RXv3 CPU core with a maximum operating frequency of 120 MHz, achieving 709 CoreMark performance. It supports single-cycle instruction execution, IEEE 754-compliant single-precision floating-point unit, and collective register bank save - enabling deterministic real-time execution for field-oriented motor control loops.
Does the R5F526TBDDFN#50 support IEC60730 Class B compliance out of the box?
Yes, the R5F526TBDDFN#50 includes hardware-accelerated IEC60730 Class B safety features: oscillation-stop detection, RAM test assistance via DOC, CRC calculator (CRCA), register write protection, and self-diagnostic A/D disconnection detection. These reduce software qualification burden and support certified implementations in motor-driven appliances and industrial equipment.
What PWM resolution and channel count does the R5F526TBDDFN#50 provide for motor control?
The R5F526TBDDFN#50 delivers 10 channels of single-phase, 3 channels of 3-phase, and 2 channels of 5-phase complementary PWM via GPTWa and MTU3d, plus 4-channel high-resolution PWM (HRPWM) with 260 ps minimum timing resolution. This enables precise gate driving for SiC/GaN inverters and robust dead-time management in 3-phase motor drives.
Which analog peripherals are integrated into the R5F526TBDDFN#50 for current and voltage sensing?
The R5F526TBDDFN#50 integrates three 12-bit A/D converter units (S12ADH) supporting up to 22 channels total, six analog comparators (CMPCa), and two 12-bit D/A converters (R12DAb). These allow simultaneous sampling of phase currents and DC-link voltage, overcurrent protection via comparator trip signals, and DAC-generated reference voltages for analog signal conditioning.
What package type and pin count does the R5F526TBDDFN#50 use, and what are its thermal characteristics?
The R5F526TBDDFN#50 uses the PLQP0100KB-B package: a 100-pin HWQFN measuring 14 × 14 mm with 0.5 mm pitch and an exposed thermal pad. This package provides low thermal resistance for sustained 120 MHz operation in motor control applications and supports high-density PCB layouts with dedicated power/ground pin allocation.
R5F526TBDDFN#50 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 80-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:
- 62
- 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 19x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526TBDDFN#50 FAQ
1.How can I place an order for R5F526TBDDFN#50 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526TBDDFN#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 R5F526TBDDFN#50 reliable?
The price and inventory of R5F526TBDDFN#50 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526TBDDFN#50 is usually 5 days.
3.What payment methods are accepted for R5F526TBDDFN#50?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526TBDDFN#50 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526TBDDFN#50?
R5F526TBDDFN#50 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526TBDDFN#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 R5F526TBDDFN#50?
For technical support, including R5F526TBDDFN#50 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526TBDDFN#50 requirements.
6.How does Aetrix verify that R5F526TBDDFN#50 is sourced from the original manufacturer or authorized distributors?
All R5F526TBDDFN#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 R5F526TBDDFN#50 meets industry standards.
7.What is the process for return or replacement of R5F526TBDDFN#50?
All R5F526TBDDFN#50 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526TBDDFN#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 R5F526TBDDFN#50 part is unused and in its original packaging.
Return procedure for R5F526TBDDFN#50:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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