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The R5F526TFDGFM is a 32-bit microcontroller for dual motor control and PFC control.

Overview:

The Renesas RX26T 32-bit microcontroller is a 5V compatible device that enables dual motor control via field oriented control (FOC) and power factor correction (PFC) control on a single chip. RX26T RXv3 core is the third generation of RX CPU core (120MHz operating frequency), flash support 120MHz read operation, trigonometric function unit (TFUv2) to provide higher computing performance.

The RX26T microcontroller supports 120MHz PWM (three-phase complementary x2 channel + single-phase complementary x2 channel) timer function, and the analog function is provided by three 12-bit analog-to-digital converter units (two units with 3-channel synchronous sampling and hold circuits).

The RX26T series includes:

• HOCO with guaranteed oscillation accuracy of ±1.0% (-20°C ≤ Ta)

• Data flash

• Single-ended PGA

• Comparator

• Additional components in compact QFN package (space saving due to reduced number of components)

In addition, the device includes CAN-FD for high-speed interdevice communication and I3C Basic for high-speed communication with sensors for faster data transfer. Flash has a dual-group configuration and BGO/SWAP capability, allowing firmware to be rewritten without stopping the system. Trusted Security IP-Lite integrates basic management functions and an encryption engine, reducing the risk of information leakage from the system.

Features

120MHz CPU RXv3 core (721 CoreMark)

Single precision FPU, batch register saving for faster interrupt response, Trigonometric accelerator (TFUv2)

Operating temperature range: -40°C to +105°C

Up to 512KB flash memory (120MHz read access, dual-group functionality), up to 64KB SRAM

16KB data flash memory that can store EEPROM and other data

12-bit analog-to-digital converter x 3-unit, 12-bit analog-to-digital converter x 2-channel

Comparator x 6 channels, single-ended PGA x 6 channels

120MHz PWM

3 mutually complementary x 2 channels, 5 mutually complementary x 1 channels, single-phase complementary x 8 channels

High resolution PWM x 4 channels with timing adjustments as low as 260ps (picoseconds)

High speed on chip oscillator accuracy: ±1.0%

Trusted Security IP-Lite (AES/TRNG)

CAN FD (according to ISO 11898-1:2015, up to 5Mbps)

I3C Basic (Max. 10Mbps)

Applications

Digital power conversion with totem pole staggered PFC

Ac/DC power supply with totem pole staggered PFC provides high efficiency and low ripple

High efficiency LLC resonant DC/DC converters support a wide range of output voltages

High-performance MCU with dedicated peripherals for power control and protection for high-end algorithms

Complete solution including drivers and couplers