TMS320LF2407APGES TI C2000 Automotive 16-Bit DSC 40MHz 128KB Flash 10KB SRAM 12-Ch PWM Dual EV QEP ADC CAN LQFP-144

TMS320LF2407APGES Product Overview

The TMS320LF2407APGES is a 16-bit fixed-point digital signal controller (DSC) from Texas Instruments' C2000 family, operating at 40MHz (40 MIPS) in a 144-lead LQFP (PGE) package. It is AEC-Q100 qualified and rated for the automotive temperature range of -40°C to +125°C. As the highest-memory automotive-grade device in the LF240x series, the TMS320LF2407APGES integrates 64K×16 on-chip Flash (128KB) and 10KB of SRAM, providing ample space for complex real-time control firmware and communication stacks. Its standout feature is the dual event manager architecture—EVA and EVB—each capable of generating three complementary PWM pairs, totaling 12 PWM outputs. Each event manager also includes two quadrature encoder interfaces (QEP) and three capture units. This allows the TMS320LF2407APGES to independently drive two three-phase motors (BLDC, PMSM, or AC induction) while simultaneously processing encoder feedback from both axes, making the TMS320LF2407APGES ideal for electric power steering (EPS), dual-fan drives, and other automotive multi-motor systems. The analog front-end features a 10-bit ADC with 16 channels, a minimum conversion time of 500ns (2MSPS), and dual sample-and-hold circuits for synchronous sampling. Communication interfaces include a CAN 2.0B controller, SCI (UART), and SPI, enabling the TMS320LF2407APGES to seamlessly integrate into in-vehicle networks. Thanks to the -40°C to +125°C automotive temperature range, the TMS320LF2407APGES is particularly suited for engine-compartment motor drives, transmission control, and high-temperature industrial environments. It is fully supported by TI's free Code Composer Studio IDE and a wealth of C2000 motor control examples, significantly accelerating development for automotive motor control and industrial inverters.

TMS320LF2407APGES Core Features

Processor Core: The TMS320LF2407APGES features a 16-bit C2000 fixed-point DSP, 40MHz (40 MIPS), single-cycle 16×16 MAC

On-Chip Memory: The TMS320LF2407APGES provides 64K×16 Flash (128KB), 5K×16 SRAM (10KB, DARAM & SARAM), Boot ROM

Dual Event Managers (EVA + EVB): The TMS320LF2407APGES integrates two event managers, each with 3 full compare units, 12 PWM outputs total (6 complementary pairs), programmable dead-time & fault; 4 GP timers, 6 capture units, 4 QEP

Analog Front-End: The TMS320LF2407APGES includes a 10-bit ADC, 16 channels, 500ns min conversion (2MSPS), dual S/H

Communication: The TMS320LF2407APGES offers 1× CAN 2.0B, 1× SCI (UART), 1× SPI

System: On-chip PLL, watchdog, power management, up to 40 GPIO

Temperature Range: Automotive, AEC-Q100, -40°C to +125°C

Package: 144-lead LQFP (PGE), 20mm×20mm, 0.5mm pitch

TMS320LF2407APGES Applications

Automotive (High-Temperature): The TMS320LF2407APGES is ideal for engine cooling fans/pumps, electric power steering (EPS), transmission control, turbocharger actuators, on-board DC/DC converters

Industrial Motor Control (High-Temp): The TMS320LF2407APGES suits metallurgical servo drives, textile machinery, multi-axis motion controllers in harsh environments

Digital Power: The TMS320LF2407APGES enables interleaved DC/DC converters, multi-phase inverters, welding power supplies operating at elevated temperatures

Harsh Environment Control: The TMS320LF2407APGES is designed for distributed CAN nodes requiring 125°C reliability, sensor fusion & real-time control units

TMS320LF2407APGES Key Advantages

Automotive-Grade Reliability: The TMS320LF2407APGES is AEC-Q100 qualified with a -40°C to +125°C range, ensuring stable operation in engine compartments and transmission tunnels without additional cooling measures.

Independent Dual-Motor Control: EVA and EVB on the TMS320LF2407APGES each provide 6 complementary PWMs, QEPs, and capture units, allowing a single chip to run FOC on two three-phase motors, an ideal single-chip solution for EPS and dual-fan automotive applications.

128KB Flash Memory: The TMS320LF2407APGES offers generous program space accommodating dual-motor algorithms, CANopen/OSEK stacks, diagnostics, and bootloaders, meeting automotive software complexity requirements.

10KB SRAM for Heavy Data Buffering: The TMS320LF2407APGES's larger RAM comfortably handles dual-motor real-time waveform logging, multi-axis interpolation, and deep communication FIFOs.

Rich Analog & Encoder Interfaces: The 16-channel ADC together with four QEPs on the TMS320LF2407APGES simultaneously captures three-phase currents, DC bus voltages, and position/speed feedback from two motors without external multiplexers or decoder chips.

Integrated CAN Connectivity: The TMS320LF2407APGES's on-chip CAN 2.0B controller directly supports CANopen and OSEK in-vehicle networking, simplifying ECU bus connections and distributed control.

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FAQ

1. What does the "S" suffix in TMS320LF2407APGES indicate? What is its temperature range?
   
   • “S” denotes the automotive temperature range of -40°C to +125°C (AEC-Q100 qualified) for the TMS320LF2407APGES. In contrast, the “A” suffix designates industrial grade (-40°C to +85°C). The TMS320LF2407APGES is designed for engine compartments, transmission tunnels, and other high-temperature environments.
2. What advantage do the dual event managers (EVA+EVB) offer?
   
   • EVA and EVB on the TMS320LF2407APGES operate independently, providing 12 PWM outputs (6 complementary pairs), 4 QEPs, and 6 capture units. This enables complete independent FOC of two three-phase motors or EPS dual-motor synchronization, eliminating an extra controller.
3. How does it compare to the TMS320LF2406A?
   
   • The TMS320LF2407APGES features dual event managers, 128KB Flash, 10KB SRAM, and a 144-lead package. The LF2406A has a single event manager, 64KB Flash, 8KB SRAM, and a 100-lead package, making the TMS320LF2407APGES more suitable for dual-motor control.
4. What functionality can the 128KB Flash accommodate?
   
   • The 128KB Flash on the TMS320LF2407APGES easily stores dual-motor FOC algorithms, CANopen/OSEK stacks, fault diagnostics, digital power compensators, and bootloaders, meeting automotive software architecture requirements.
5. Is the 10-bit ADC sufficient for automotive motor control?
   
   • With 2MSPS and dual simultaneous sampling, the 10-bit ADC of the TMS320LF2407APGES meets the demands of engine cooling fans, pumps, EPS, and similar automotive motor drives. For higher resolution, upgrade to the TMS320F280x family (12-bit ADC).
6. Does the CAN interface require an external transceiver?
   
   • Yes, the on-chip CAN controller of the TMS320LF2407APGES provides logic-level signals only; an external automotive-grade CAN transceiver (e.g., SN65HVD230) is needed for connection to a physical bus.
7. What development tools are recommended?
   
   • TI's free Code Composer Studio (CCS) with C2000Ware or legacy LF240x examples, and an XDS100 or XDS200 JTAG debug probe are recommended for the TMS320LF2407APGES.
8. How should the 144-lead LQFP be soldered?
   
   • The TMS320LF2407APGES uses a 0.5mm pitch LQFP-144; reflow soldering yields excellent results. Hand soldering is possible with flux and drag technique, and exposed leads facilitate inspection and rework.
9. Can the device be updated via the serial port?
   
   • Yes, a custom bootloader using the on-chip SCI of the TMS320LF2407APGES enables field firmware upgrades; refer to TI's serial programming application notes.
10. What are the upgrade options for higher performance?
    
    • Smooth migration is possible from the TMS320LF2407APGES to the TMS320F280x (32-bit fixed-point) or TMS320F28335 (32-bit floating-point) families, which offer faster cores, higher-resolution ADCs, and enhanced ePWMs, with automotive-grade options available.