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TMS320F280040-Q1 - 100MHz C2000 MCU | Texas Instruments

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LQFP-48 (PM) Package 100 MHz Speed 128 KB Memory
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TMS320F280040-Q1 Overview

The Texas Instruments TMS320F280040-Q1 is an automotive C2000 32-bit microcontroller designed for real-time control applications. It features a C28x CPU running at 100 MHz, a floating-point unit (FPU), a trigonometric math unit (TMU), and the VCU-I extended instruction set. The device integrates 128 KB of embedded flash memory, programmable gain amplifiers (PGAs), and a sigma-delta filter module (SDFM), making it ideal for precise sensing and control in harsh environments. The MCU is available in an LQFP-48 (PM) package, which is suitable for space-constrained automotive and industrial designs.

The C2000 family of microcontrollers is optimized for processing, sensing, and driving in closed-loop systems. The C28x CPU provides 100 MHz of signal processing performance, boosted by the TMU which accelerates trigonometric operations commonly found in transforms and torque loop calculations. The FPU enables fast single-precision floating-point math, while the VCU-I extends the instruction set for complex vector operations, reducing latency in control loops.

Key features include 128 KB flash for code and data storage, PGAs for programmable analog signal conditioning, and SDFM for direct interface with sigma-delta modulators in isolated current sensing. The device also supports a wide range of communication peripherals, including CAN, SPI, and UART, facilitating system integration. With AEC-Q100 qualification, the TMS320F280040-Q1 meets stringent automotive reliability standards.

Technical depth: The real-time control subsystem includes enhanced PWM timers, analog-to-digital converters, and a sophisticated interrupt structure. The TMU and VCU-I instructions improve algorithm efficiency, allowing tighter control loops and increased power conversion frequency. The device is typically used in industrial motor drives, automotive traction inverters, power factor correction, and photovoltaic inverters.

When designing with this MCU, pay attention to power supply decoupling and thermal management. The core requires stable power for reliable operation at 100 MHz. Use the TMU to optimize control algorithms and leverage the PGAs and SDFM for accurate analog front-end designs. Refer to the TI datasheet for detailed pinout and peripheral configuration.

Drop-in alternatives for TMS320F280040-Q1 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Variants in this series

Same-series models that are drop-in compatible with TMS320F280040-Q1 (same form factor and footprint) — differing in Package, Automotive Grade, Core Architecture.

Texas Instruments
Package: LQFP-64 (PM)
Automotive Grade: AEC-Q100 qualified
Core Architecture: C2000 32-bit C28x
Compare with TMS320F280040-Q1 →
Texas Instruments
Package: LQFP-64 (PZ)
Compare with TMS320F280040-Q1 →
Texas Instruments
Package: LQFP-100 (PZ)
Automotive Grade: Yes (AEC-Q100)
Compare with TMS320F280040-Q1 →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

TMS320F280040C-Q1

✅ Drop-In
Texas Instruments
📦 LQFP-48 (PM)
C2000 32-bit C28x · 100 MHz · 128 KB · Yes · Yes · Yes · Yes · Yes

✓ In Stock

Contact for price

View Datasheet →

TMS320F280045-Q1

✅ Drop-In ⚠️ Specs Unverified
📦 LQFP-48 (PM)
128-KB flash, same C28x core, pin-compatible

📋 Reference alternative (not in catalog)

TMS320F280041-Q1

✅ Drop-In ⚠️ Specs Unverified
Texas Instruments
📦 LQFP-48 (PM)
Real-Time Microcontroller · C2000 32-bit CPU · 100 MHz · Yes · Yes · 128 KB · Yes · Yes

✓ In Stock

$19.0909 / Unit

View Datasheet →

TMS320F280048-Q1

✅ Drop-In ⚠️ Specs Unverified
📦 LQFP-48 (PM)
256-KB flash, additional communication buses, same package

📋 Reference alternative (not in catalog)

TMS320F280049-Q1

✅ Drop-In ⚠️ Specs Unverified
📦 LQFP-48 (PM)
256-KB flash, more PWM channels, same package

📋 Reference alternative (not in catalog)

TMS320F280040-Q1 Maximum Ratings & Electrical Characteristics

Core Architecture C28x (32-bit)
CPU Frequency 100 MHz
FPU Yes
TMU Yes
VCU-I Yes
Flash Memory 128 KB
Package LQFP-48 (PM)
Mounting Type Surface Mount
Automotive Qualification AEC-Q100 Qualified
Programmable Gain Amplifiers (PGA) Yes
Sigma-Delta Filter Module (SDFM) Yes
RoHS Status unknown

TMS320F280040-Q1 lqfp-48 (pm) Pin Configuration Guide

Pin configuration for TMS320F280040-Q1 (lqfp-48 (pm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

lqfp-48 (pm) package pinout diagram for TMS320F280040-Q1

No detailed pinout data available for TMS320F280040-Q1.

Refer to the datasheet for full pin configuration.

Typical Applications

TMS320F280040-Q1 is suitable for 6 applications: Industrial Motor Control, Digital Power Supplies, Solar Inverters, Automotive Traction Inverters, Sensor and Signal Processing, Power Factor Correction.

🏭

Industrial Motor Control

The TMS320F280040-Q1 is ideal for industrial motor control applications such as sensorless field-oriented control (FOC) in AC induction and permanent magnet synchronous motors. Its 100 MHz C28x CPU with FPU and TMU enables fast execution of torque loop and flux estimation algorithms. The integrated PGAs and SDFM provide accurate analog signal conditioning and isolated current sensing, enabling precise and robust motor control in noisy industrial environments.

⚡

Digital Power Supplies

In digital power supply designs, the TMS320F280040-Q1 enables high-frequency control of LLC, buck, and boost converters. The 100 MHz C28x core with FPU and TMU supports sophisticated control algorithms such as PFC and digital compensation. Its high-resolution PWM timers and SDFM allow direct interfacing with current sense transformers and sigma-delta modulators, ensuring accurate regulation and fast transient response.

⚡

Solar Inverters

The TMS320F280040-Q1 is used in solar inverter systems for maximum power point tracking (MPPT) and grid synchronization. Its floating-point unit and TMU accelerate complex mathematical computations required for power conversion algorithms. The device's integrated analog peripherals, including PGAs, enable precise voltage and current sensing, while its communication interfaces support system monitoring and control in photovoltaic arrays.

🚗

Automotive Traction Inverters

For automotive traction inverters, the TMS320F280040-Q1 provides the real-time control performance required for electric vehicle motor drives. Its AEC-Q100 qualification ensures reliable operation in harsh automotive environments. The MCU's 100 MHz C28x CPU with FPU and TMU executes torque and speed control loops with high precision, while the SDFM interfaces with isolated sigma-delta sensors for accurate current measurement in traction systems.

🔧

Sensor and Signal Processing

The TMS320F280040-Q1 excels in sensor and signal processing applications, including industrial monitoring and test equipment. The integrated PGAs and SDFM allow direct interfacing with analog sensors and isolated measurement chains. Its 100 MHz C28x core with FPU and TMU processes sampled data in real time, making it suitable for applications requiring precise signal conditioning and fast response.

⚡

Power Factor Correction

In power factor correction (PFC) circuits, the TMS320F280040-Q1 enables active PFC control in high-efficiency power supplies. The device's high-performance C28x core with FPU and TMU facilitates the implementation of complex control loops for minimizing harmonic distortion. Its integrated ADC and PWM peripherals enable precise sensing and switching, optimizing power conversion efficiency and reliability in industrial and battery charging systems.

Recommended Products Summary

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What is the TMS320F280040-Q1?
The TMS320F280040-Q1 is an automotive C2000 32-bit microcontroller from Texas Instruments with 100 MHz, FPU, TMU, 128-KB flash, PGAs, and SDFM. It is part of the C2000 real-time control family optimized for closed-loop performance in applications like motor control, digital power, and sensing.
Does TMS320F280040-Q1 have a floating-point unit?
Yes, the TMS320F280040-Q1 includes a floating-point unit (FPU) on the C28x CPU, which accelerates single-precision floating-point operations. Additionally, it features the TMU extended instruction set for trigonometric operations, improving control loop efficiency.
Where can I buy TMS320F280040-Q1?
TMS320F280040-Q1 can be purchased from TI.com, Mouser Electronics, and DigiKey. XAIPART also provides the component with datasheet and support. Check availability and lead times directly from these distributors.
What is the price of TMS320F280040-Q1?
The price of TMS320F280040-Q1 is not specified in the available data. On XAIPART, pricing is N/A as of 2026-08-28. Please check TI.com or Mouser for current pricing.
Is TMS320F280040-Q1 in stock?
Stock availability for TMS320F280040-Q1 can be checked on distributor sites like Mouser and DigiKey. As of 2026-08-28, XAIPART does not have live stock data. Always verify before ordering.
What is the difference between TMS320F280040-Q1 and TMS320F280040C-Q1?
The TMS320F280040C-Q1 is a C-variant of the same device. According to a TI forum post, TMS320F280040-Q1 (F280040PMQR) is no longer available, and TMS320F280040C-Q1 (F280040CPMQR) is suggested as a direct replacement with the same package and specifications.
What is the difference between TMS320F280040-Q1 and TMS320F280049-Q1?
The key difference is flash memory: TMS320F280040-Q1 has 128 KB flash, while TMS320F280049-Q1 has 256 KB. Both are in the same LQFP-48 package and are part of the F28004x family, with the F280049 offering more code space and features.
When should I choose TMS320F280040-Q1 over TMS320F280049-Q1?
Choose TMS320F280040-Q1 when 128 KB of flash is sufficient for your application and cost is a priority. It is ideal for simpler real-time control algorithms that don't require the extra memory and peripherals of the TMS320F280049-Q1.
Is TMS320F280040-Q1 suitable for motor control?
Yes, TMS320F280040-Q1 is optimized for real-time control applications such as motor drives. Its 100 MHz C28x CPU, FPU, and TMU enable fast execution of torque loop calculations, making it well suited for motor control.
What is the best drop-in replacement for TMS320F280040-Q1?
The best drop-in replacement for TMS320F280040-Q1 is TMS320F280040C-Q1 based on TI's own recommendation. Other pin-compatible options in the same LQFP-48 package include TMS320F280045-Q1, TMS320F280041-Q1, TMS320F280048-Q1, and TMS320F280049-Q1.
Where can I download the TMS320F280040-Q1 datasheet PDF?
The TMS320F280040-Q1 datasheet PDF can be downloaded from the TI product page at https://www.ti.com/lit/ds/symlink/tms320f280040-q1.pdf. The document is titled 'TMS320F28004x Real-Time Microcontrollers' and contains full specifications.
Is TMS320F280040-Q1 the same as TMS320F280040?
TMS320F280040-Q1 is the automotive-qualified version of TMS320F280040. The '-Q1' suffix indicates AEC-Q100 qualification for automotive applications, while the non-Q1 version is for commercial/industrial use and may have different ordering options.
What are the key specifications of TMS320F280040-Q1 that engineers should know?
Engineers should know that TMS320F280040-Q1 is an automotive C2000 MCU with a 32-bit C28x CPU running at 100 MHz, 128 KB flash, FPU, TMU, VCU-I, PGAs, and SDFM. It is designed for real-time control in motor drives, digital power, and sensing.
What is the best cross-brand equivalent for TMS320F280040-Q1?
There is no pin-compatible cross-brand drop-in equivalent for TMS320F280040-Q1, as it uses TI's proprietary C28x architecture. Equivalent MCUs from other vendors would require different software and may have different pinouts. Stick with the TI C2000 family for drop-in compatibility.

Engineering reference data for TMS320F280040-Q1 — comparison, design guidance, and compliance information.

Selection Guide

Choose TMS320F280040-Q1 when you need an automotive-qualified C2000 MCU with 100 MHz performance and 128 KB flash for real-time control applications such as motor drives, digital power, and sensing. If your application requires more code space or additional PWM channels, select TMS320F280049-Q1 with 256 KB flash. For faster motor control development, TMS320F280040C-Q1 offers InstaSPIN-FOC support while remaining pin-compatible. TMS320F280041-Q1 and TMS320F280045-Q1 are lower-cost alternatives with similar 128 KB flash, but verify peripheral differences. All alternatives share the LQFP-48 package, enabling PCB layout reuse. Consider TMS320F280048-Q1 when additional communication buses are needed. Ensure compatibility with your existing software before switching.

Comparison with Alternatives

Parameter This Product TMS320F280040C-Q1 TMS320F280045-Q1 TMS320F280049-Q1
Brand Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Package LQFP-48 (PM) LQFP-48 (PM) LQFP-48 (PM) LQFP-48 (PM)
Core C28x C28x C28x C28x
Max Frequency 100 MHz 100 MHz 100 MHz 100 MHz
Flash Memory 128 KB 128 KB 128 KB 256 KB
FPU Yes Yes Yes Yes
TMU Yes Yes Yes Yes
Automotive Qualified Yes (AEC-Q100) Yes (AEC-Q100) Yes (AEC-Q100) Yes (AEC-Q100)
SDFM Yes Yes Yes Yes

Key Differentiators

  • Lower flash memory for cost optimization (vs TMS320F280049-Q1)
  • C variant for faster motor control development (vs TMS320F280040C-Q1)
  • Automotive qualification with same performance (vs TMS320F280040 (non-Q1))

Design Notes

Power supply decoupling is critical for the TMS320F280040-Q1. Place 100 nF and 10 uF capacitors close to the VDD and VREG pins to minimize noise. The core runs at 100 MHz and requires a stable supply. Ensure the ground plane is continuous under the MCU to reduce inductance and enhance signal integrity.

For analog inputs, use proper PCB layout to reduce noise coupling. Keep the signal traces short and use shielded routing. The PGAs and SDFM need careful grounding. Use star grounding and separate analog and digital ground planes if possible. Connect the analog ground pin directly to the analog ground plane.

Take thermal design into account, especially in automotive applications. The device's junction temperature should remain within operating limits. Use a thermal pad on the PCB and provide adequate copper area for heat dissipation. If using multiple high-power drivers, consider forced air cooling or heatsinks.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Qualified
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Automotive qualification per TI product description (AEC-Q100 for -Q1 variant).

Data verified on: 2026-08-28 — data verified and curated by XAIPART's component engineering team

Related Searches

TMS320F280040-Q1 TMS320F280040-Q1 datasheet Texas Instruments C2000 100MHz MCU 128KB flash automotive MCU LQFP-48 C2000 MCU motor control microcontroller TMS320F280040-Q1 vs TMS320F280049-Q1 drop-in replacement for TMS320F280040-Q1 TMS320F280040-Q1 buy price C2000 real-time control MCU

Related Components & Terms

Texas Instruments TMS320F280040-Q1 TMS320F280040C-Q1 TMS320F280045-Q1 TMS320F280049-Q1 C2000 C28x CPU FPU TMU VCU-I LQFP-48 AEC-Q100 PGA SDFM Motor Control
Related Technical Guides
TMS320F280041-Q1: 100 MHz C2000 Real-Time MCU — Complete Engineer's Guide (Specs, Design-In, Alternatives)
TMS320F280041-Q1: 100 MHz C2000 real-time MCU with FPU, TMU, 128 KB flash, PGA, SDFM in LQFP-64. In stock at XAIPART from $19.0909 (qty 1000
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