Texas Instruments TMS320LF2407APGEG4

Overview

TMS320LF2407APGEG4 from Texas Instruments is a 40-MIPS, 3.3-V static CMOS digital signal controller featuring dual event-manager modules (EVA/EVB), 16-channel 10-bit ADC with 500-ns minimum conversion time, 32K-word on-chip Flash memory, and integrated CAN 2.0B, SCI, and SPI interfaces. It serves as a single-chip motor control solution for AC induction, BLDC, and stepper motor drives.

For engineers reviewing the TMS320LF2407APGEG4 datasheet, TMS320LF2407APGEG4 pinout, TMS320LF2407APGEG4 application, or TMS320LF2407APGEG4 equivalent, key selection criteria include dual EV module support for multi-motor control, external memory interface (192K words), boot ROM-enabled in-circuit programming, and real-time JTAG emulation for closed-loop debugging.

Technical Context

The TMS320LF2407APGEG4 implements the TMS320C2xx DSP CPU core with instruction cycle time of 25 ns at 40 MHz, enabling deterministic real-time execution for motor control loops. Its dual event managers provide synchronized PWM generation, programmable deadband insertion, and quadrature encoder interface circuitry for position feedback.

The device integrates a twin-autosequencing 10-bit ADC triggered by either EVA or EVB, supporting up to 16 conversions per session without CPU intervention. The PLL-based clock module supports flexible input sources including crystal (XTAL1/CLKIN) or external clock, with VCCA/VSSA isolation required for ADC accuracy.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (PGE), RoHS-compliant, surface-mount, 20 mm × 20 mm footprint with 0.5-mm pitch.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TMS320F28027PTT and TMS320F2808PZA, the TMS320LF2407APGEG4 provides mature, cost-optimized 16-bit DSP control with integrated CAN and proven motor control IP, making it suitable for volume production where legacy toolchain compatibility and qualification stability are critical.

Availability

TMS320LF2407APGEG4 is available at Aetrix Electronics and suitable for industrial motor drives, solar inverters, automotive EPS systems, and PLC motion modules requiring stable component supply across long product lifecycles.

Supply support for TMS320LF2407APGEG4 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 digital signal processing technologies with over 50 years of innovation in industrial and automotive electronics.

The TMS320LF2407APGEG4 belongs to TI's C2000™ real-time microcontroller portfolio, designed specifically for digital power conversion and motor control applications demanding deterministic low-latency execution and integrated analog/peripheral subsystems.

FAQ

What is the maximum operating frequency and instruction cycle time of the TMS320LF2407APGEG4?

The TMS320LF2407APGEG4 operates at a maximum frequency of 40 MHz, delivering an instruction cycle time of 25 ns. This timing is achieved using the internal PLL with external crystal (XTAL1/CLKIN) or clock input, and is validated across the full −40°C to 85°C temperature range specified for the 'A' grade device.

Does the TMS320LF2407APGEG4 support in-system programming of its on-chip Flash memory?

Yes, the TMS320LF2407APGEG4 supports in-system programming via its built-in boot ROM, which implements SCI and SPI bootloader functionality. This allows firmware updates directly through serial interfaces without requiring external programming hardware, provided BOOT_EN/XF is asserted during reset.

How many PWM outputs does the TMS320LF2407APGEG4 provide, and what advanced features do they include?

The TMS320LF2407APGEG4 provides 12 PWM outputs across its dual event-manager modules (EVA and EVB). Each channel supports center-aligned or edge-aligned modes, programmable deadband insertion (to prevent shoot-through), and synchronization with ADC conversion triggers-enabling precise timing coordination essential for three-phase inverter control.

Is CAN communication supported natively on the TMS320LF2407APGEG4, and what version is implemented?

Yes, the TMS320LF2407APGEG4 integrates a native Controller Area Network (CAN) module compliant with ISO 11898-1, supporting CAN 2.0B protocol with full 29-bit identifier capability. The CANRX and CANTX pins are dedicated I/Os (IOPC7 and IOPC6), eliminating need for external transceivers in basic implementations.

What is the purpose and behavior of the PDPINTA and PDPINTB pins on the TMS320LF2407APGEG4?

The PDPINTA and PDPINTB pins are falling-edge-sensitive hardware interrupt inputs that trigger immediate, non-maskable shutdown of all associated PWM outputs (EVA for PDPINTA, EVB for PDPINTB), forcing them into high-impedance state. This feature provides sub-microsecond fault response for overcurrent, overvoltage, or thermal events in motor drive applications.