Texas Instruments TMS320F2806NMFAR

Overview

TMS320F2806NMFAR from Texas Instruments is a 100-MHz C28x digital signal processor optimized for real-time motor control and digital power conversion. It integrates a 32-bit CPU, 32K × 16 flash memory, 10K × 16 SARAM, 12-bit 16-channel ADC with 160 ns conversion time, six ePWM modules (12 outputs), and dual CAN interfaces - deployed in industrial servo drives and solar microinverters.

For engineers reviewing the TMS320F2806NMFAR datasheet, TMS320F2806NMFAR pinout, TMS320F2806NMFAR application, or TMS320F2806NMFAR equivalent, key selection criteria include its 100-pin LQFP package, 1.8-V core/3.3-V I/O voltage scheme, integrated HRPWM with 150-ps MEP resolution, and support for SCI, SPI, I²C, and eCAN peripherals in safety-critical closed-loop systems.

Technical Context

The TMS320F2806NMFAR implements the C28x CPU core with Harvard architecture, atomic instructions, and unified memory model - enabling deterministic execution for time-critical control loops. Its system clock is derived from an on-chip oscillator with PLL multiplication to 100 MHz, and it supports low-power modes (IDLE, STANDBY, HALT) with individual peripheral clock gating.

Peripheral integration includes a PIE block managing 43 interrupt sources, three 32-bit CPU timers, and a 12-bit ADC with dual sample-and-hold and simultaneous sampling capability across two 8-channel multiplexers - all synchronized to PWM events for precise current/voltage sensing in motor phase control.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (PZ), 14.0 mm × 14.0 mm, 0.5-mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital signal processor applications.

Compared with TMS320F2808PZ, the TMS320F2806NMFAR offers reduced memory but identical real-time performance and peripheral set - making it optimal for single-axis, space-constrained applications. Versus TMS320F2802PZ, it adds dual CAN and full ePWM complement - enabling higher-integration industrial drives without external protocol bridges.

Availability

TMS320F2806NMFAR is available at Aetrix Electronics and suitable for industrial servo drives, solar microinverters, and uninterruptible power supplies requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for TMS320F2806NMFAR 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

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies for industrial, automotive, and communications markets.

The TMS320F2806NMFAR belongs to TI's C2000™ real-time control MCU family - designed specifically for deterministic, high-precision digital power and motor control applications demanding sub-microsecond timing accuracy and integrated analog-peripheral synchronization.

FAQ

What is the maximum operating frequency of the TMS320F2806NMFAR?

The TMS320F2806NMFAR operates at a maximum CPU frequency of 100 MHz, delivering a 10-ns instruction cycle time. This is achieved via an internal PLL that multiplies the input clock (from crystal or external source) to the core frequency. The device maintains full peripheral functionality-including ADC sampling, PWM generation, and CAN messaging-at this speed, making it suitable for demanding real-time control tasks such as servo positioning and digital power regulation.

Does the TMS320F2806NMFAR support CAN FD or only classical CAN?

The TMS320F2806NMFAR supports only classical CAN 2.0B (up to 1 Mbps), not CAN FD. Its eCAN module implements standard message objects, mailbox-based transmission, and error handling per ISO 11898-1, but lacks the extended data length and bit-rate switching features of CAN FD. For CAN FD applications, designers should consider newer C2000 devices such as the TMS320F2838x series. The TMS320F2806NMFAR remains widely used in legacy industrial networks where classical CAN meets bandwidth and reliability requirements.

What is the ADC resolution and conversion time for the TMS320F2806NMFAR?

The TMS320F2806NMFAR features a 12-bit successive-approximation ADC with 16 input channels, organized into two 8-channel banks (ADCINA and ADCINB). Its conversion time is 160 ns (6.25 MSPS), consistent across all devices in the F280x 100-MHz family. The ADC includes dual sample-and-hold circuits and supports simultaneous sampling across both banks - critical for vector control applications requiring synchronized current measurements in multi-phase systems.

Is the TMS320F2806NMFAR pin-compatible with other F280x devices in the same package?

Yes, the TMS320F2806NMFAR is pin-compatible with other 100-pin PZ-package F280x devices including the TMS320F2808PZ and TMS320F2802PZ. All share identical pin assignments, power rail definitions, and GPIO multiplexing. However, peripheral enablement differs: the TMS320F2806NMFAR includes dual eCAN modules and six ePWM blocks, while the TMS320F2802PZ omits eCAN and provides only three ePWM modules - meaning firmware must be adapted to match enabled hardware resources.

What development tools are supported for the TMS320F2806NMFAR?

The TMS320F2806NMFAR is fully supported by Texas Instruments' C2000Ware software suite, Code Composer Studio™ IDE (v12+), and SYS/BIOS RTOS. TI provides digital motor control and digital power software libraries - including FOC, sensorless BLDC, and LLC resonant converter examples - all validated on the TMS320F2806NMFAR. Hardware evaluation is enabled via the TMDXDOCK28069M docking station and controlCARDs compatible with the F2806x footprint.