Texas Instruments TMS320LF2406APZS

Overview

TMS320LF2406APZS from Texas Instruments is a 32-bit fixed-point DSP controller optimized for digital motor control, featuring a TMS320C2xx CPU core, 40-MIPS performance at 40 MHz, 32K words of on-chip Flash memory, dual event-manager modules (EVA/EVB), and integrated 10-bit ADC with 16-channel input and 500-ns minimum conversion time - deployed in industrial AC induction and BLDC motor drives.

For engineers reviewing the TMS320LF2406APZS datasheet, TMS320LF2406APZS pinout, TMS320LF2406APZS application, or TMS320LF2406APZS equivalent, key selection criteria include dual PWM timer support, CAN 2.0B interface availability, 100-pin LQFP package compatibility, and Flash-based code security for production firmware protection.

Technical Context

The TMS320LF2406APZS implements a static CMOS C2xx DSP core with instruction cycle time of 25 ns and full code compatibility with TMS320F240/F241/F243/C242 devices. Its dual event-manager architecture provides synchronized PWM generation, programmable deadband insertion, and quadrature encoder interface logic for real-time motor position feedback.

It integrates a twin-autosequencing 10-bit ADC with trigger sources from both EVA and EVB modules, enabling precise timing-aligned sampling across up to 16 analog inputs. The device supports PLL-based clock generation, JTAG-compliant scan-based emulation per IEEE 1149.1, and independent peripheral power-down modes for low-power operation.

Key Specifications

Pinout & Package

Package: 100-pin Low-Profile Quad Flat Package (LQFP), PZ suffix, body size 14 mm × 14 mm, 0.5-mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar DSP controller applications.

Compared with TMS320LF2407APGE, the TMS320LF2406APZS omits external memory interface but retains full dual-EV and CAN functionality in a smaller 100-pin package; versus TMS320LC2406APZ, it offers field-upgradable Flash and boot ROM at the cost of slightly higher BOM complexity.

Availability

TMS320LF2406APZS is available at Aetrix Electronics and suitable for industrial motor drives, renewable energy inverters, and factory automation systems requiring stable component supply, long-term lifecycle support, and automotive-grade temperature reliability.

Supply support for TMS320LF2406APZS 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 delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.

The TMS320C2000™ platform - including the TMS320LF2406APZS - was designed specifically for real-time digital control of power electronics, motors, and energy systems with integrated PWM, ADC, and motion-control peripherals.

FAQ

What is the maximum operating frequency and instruction cycle time of the TMS320LF2406APZS?

The TMS320LF2406APZS operates at a maximum clock frequency of 40 MHz, delivering 40 million instructions per second (MIPS) with a 25-ns instruction cycle time. This performance level is achieved using high-performance static CMOS technology and a fully pipelined TMS320C2xx DSP core. The device's PLL-based clock module allows flexible input clock configuration while maintaining deterministic real-time execution critical for motor control loops.

Does the TMS320LF2406APZS support CAN communication, and what version is implemented?

Yes, the TMS320LF2406APZS integrates a Controller Area Network (CAN) module compliant with ISO 11898-1 and CAN 2.0B protocol specifications. It supports both standard (11-bit) and extended (29-bit) identifier formats, message buffering, and error handling. The CAN interface uses dedicated pins CANTX/IOPC6 and CANRX/IOPC7 in the 100-pin PZ package, enabling robust communication in distributed motor control networks without external transceivers.

How much on-chip memory does the TMS320LF2406APZS include, and what types are available?

The TMS320LF2406APZS includes 32K words × 16 bits of on-chip Flash memory organized in four sectors (4K/12K/12K/4K), 544 words of dual-access RAM (DARAM), and 2K words of single-access RAM (SARAM). It also features a 256-word boot ROM for in-circuit programming. All memory blocks support the device's code-security feature, which uses password protection to prevent unauthorized access to Flash contents during development or deployment.

What peripheral modules are included in the TMS320LF2406APZS for motor control applications?

The TMS320LF2406APZS integrates two event-manager modules (EVA and EVB), each providing two 16-bit general-purpose timers, six PWM outputs, three capture units, quadrature encoder interface (QEP), and input qualifier circuitry. It also includes a 10-bit ADC with 16 multiplexed inputs and twin autosequencers, CAN 2.0B, SCI, SPI, watchdog timer, and PLL-based clock generation - collectively forming a complete single-chip solution for AC induction, BLDC, and stepper motor control.

Is the TMS320LF2406APZS pin-compatible with other devices in the TMS320x240xA family?

Yes, the TMS320LF2406APZS is pin-compatible with the TMS320LC2406APZ (ROM variant) in the same 100-pin PZ package, sharing identical pin functions and electrical characteristics. However, it is not pin-compatible with the 144-pin TMS320LF2407APGE or 64-pin variants (e.g., LF2403A), as those use different package footprints and signal allocations. Always verify mechanical and thermal constraints when substituting within the family.