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TMS320F28343-Q1 - C2000 Delfino MCU | Texas Instruments

MPN: TMS320F28343-Q1 βœ“ Active
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Price updated: 2026-08-27
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Drop-in alternatives for TMS320F28343-Q1 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

TMS320F28335-Q1

βœ… Drop-In
πŸ“¦ 176-LQFP (PGF)
Higher flash (512 KB), more mature documentation, same C28x core

πŸ“‹ Reference alternative (not in catalog)

TMS320F28334-Q1

βœ… Drop-In
πŸ“¦ 176-LQFP (PGF)
256 KB flash, slightly lower memory, same core and package

πŸ“‹ Reference alternative (not in catalog)

TMS320F28333-Q1

βœ… Drop-In
πŸ“¦ 176-LQFP (PGF)
Lower flash capacity (128 KB), same pinout

πŸ“‹ Reference alternative (not in catalog)

TMS320F28332-Q1

βœ… Drop-In
πŸ“¦ 176-LQFP (PGF)
Reduced memory and fewer PWM channels, same pinout

πŸ“‹ Reference alternative (not in catalog)

ℹ️ 1 cross-package part(s) hidden β€” different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

TMS320F28343-Q1 Maximum Ratings & Electrical Characteristics

Core C28x C2000 Delfino
Bit Width 32-bit
Clock Speed [DATA_NEEDED: clock speed]
Flash Memory [DATA_NEEDED: flash size]
Package [DATA_NEEDED: package]
Operating Temperature [DATA_NEEDED: temperature range]
Supply Voltage (Core) [DATA_NEEDED: core voltage]
Supply Voltage (I/O) [DATA_NEEDED: I/O voltage]
Number of Pins [DATA_NEEDED: pin count]
Mounting Type [DATA_NEEDED: mounting type]
Automotive Grade [DATA_NEEDED: AEC-Q100 qualification]
RoHS Status [DATA_NEEDED: RoHS status]
PWM Channels [DATA_NEEDED: PWM channels]
ADC Resolution [DATA_NEEDED: ADC resolution]
Communication Interfaces [DATA_NEEDED: communication interfaces]

TMS320F28343-Q1 Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin 1 [DATA_NEEDED] β€” Pin name not available
Pin 2 [DATA_NEEDED] β€” Pin name not available
Pin 3 [DATA_NEEDED] β€” Pin name not available
Pin 4 [DATA_NEEDED] β€” Pin name not available
Pin 5 [DATA_NEEDED] β€” Pin name not available

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for TMS320F28343-Q1 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

TMS320F28343-Q1 is suitable for 6 applications: Industrial Motor Drives, Solar Inverters, Electric Vehicles (EV) Powertrain Control, Sensing and Signal Processing, Digital Power Supplies, Automotive Body and Lighting.

🏭

Industrial Motor Drives

The TMS320F28343-Q1, as a C2000 Delfino real-time MCU, is designed for closed-loop motor control. With its C28x core, it can execute complex field-oriented control algorithms at high speed. While the exact clock frequency is not verified, the Delfino family typically runs at 150 MHz, enabling fast PWM updates and precise current regulation. It supports multiple PWM outputs and high-resolution ADCs, making it suitable for servo drives, variable frequency drives, and pump control. Designers must ensure the ADC and PWM timings are properly configured to achieve the desired torque and speed control.

⚑

Solar Inverters

In solar inverter applications, the TMS320F28343-Q1 can perform maximum power point tracking (MPPT) and grid synchronization. The C2000 family provides rich digital control peripherals for managing power electronics. The real-time performance of the C28x core allows fast loop control of DC-DC converters and inverters. The device's PWM modules are suitable for generating high-frequency switching signals. For a solar inverter, the ADC must sample phase currents and voltages with high accuracy. Although specific ADC resolution is not verified, typical Delfino parts offer 12-bit ADCs. Converters benefit from the DSP-like arithmetic for efficient MPPT algorithms.

πŸš—

Electric Vehicles (EV) Powertrain Control

TMS320F28343-Q1 is an automotive-grade MCU suitable for EV powertrain control, including inverter control for traction motors and DC-DC converters. The Q1 suffix indicates AEC-Q100 qualification, though the exact qualification is not verified. Its C28x core is optimized for real-time control, ensuring stable operation under extreme temperatures and vibration. The device can manage multiple control loops simultaneously, such as torque control and battery management. For EV applications, functional safety is paramount. TI's C2000 family supports safety features like Error Correction Code (ECC) on memory and hardware fault protections. The pinout must be confirmed to integrate with gate drivers and sensors.

πŸ”§

Sensing and Signal Processing

The TMS320F28343-Q1 is capable of handling high-speed sensing and signal processing tasks, such as rotor position estimation and vibration monitoring. Its C28x DSP core provides MAC operations that accelerate digital filters. In a typical application, the MCU samples analog signals from encoders or magnetic sensors via its ADCs and processes them to derive position or speed. The device's trigonometric math unit (TMU) in later Delfino models speeds up sine/cosine calculations, but this feature is not verified for this part. Engineers should confirm whether the TMU is available. For communication, the MCU supports standard interfaces like SPI, I2C, and CAN for reporting to a host controller.

⚑

Digital Power Supplies

In digital power supply designs, the TMS320F28343-Q1 can be used as a controller for LLC resonant converters or buck-boost converters. The C2000 family offers dedicated PWM modules with dead-time support, enabling efficient switching. The MCU's high-speed ADC allows precise monitoring of output voltage and current, facilitating dynamic response. Although the exact clock speed is unknown, Delfino parts typically provide sufficient performance for loop rates above 10 kHz. Designers must carefully implement voltage compensation to ensure stability. The MCU also supports multiple feedback loops, making it suitable for multi-phase power supplies. Hardware protections such as overcurrent and overvoltage can be implemented using on-chip comparators.

πŸš—

Automotive Body and Lighting

The TMS320F28343-Q1 is suitable for automotive body and lighting applications, such as headlamp control and window lifts. Its real-time capabilities ensure smooth operation of actuators and LED drivers. The MCU integrates timers and PWM outputs that can generate dimming signals for LED lamps. As a Q1 variant, it is designed to withstand harsh automotive environments. The device's communication interfaces, like CAN, allow it to interact with vehicle networks. For lighting, precise PWM frequencies (e.g., 20 kHz) avoid visible flicker. Although the exact PWM resolution is not verified, C2000 parts typically offer 16-bit PWM counters. The MCU can also monitor fault conditions and enter safe states.

Where can I buy TMS320F28343-Q1?
TMS320F28343-Q1 can be purchased from authorized distributors such as DigiKey, Mouser, and Texas Instruments directly. However, as of 2026-08-28, our verified data does not include specific stock or pricing for this part number. Please check the distributor websites for current availability.
What is the price of TMS320F28343-Q1?
We do not have verified pricing data for TMS320F28343-Q1 as of 2026-08-28. For reference, a similar C2000 Delfino part such as TMS320F28334PGFA is priced around $20–$30 per unit at DigiKey, but actual pricing may vary. Contact distributors for quotes.
Is TMS320F28343-Q1 in stock?
Stock status for TMS320F28343-Q1 is not confirmed in our verified data. To check live inventory, please visit DigiKey, Mouser, or TI's online store and search for the part number.
TMS320F28343-Q1 vs TMS320F28335-Q1 - which is better?
Both are TI C2000 Delfino real-time MCUs, but the exact difference is not available in our data. The TMS320F28335-Q1 is a well-documented 150 MHz, 512 KB Flash device in a 176-LQFP package. The TMS320F28343-Q1 may have different memory or package options. Refer to the official datasheets.
What is the difference between TMS320F28343-Q1 and TMS320F28334-Q1?
Our verified data does not contain the TMS320F28343-Q1 specifications. Based on the TMS320F28334-Q1, which has a 150 MHz C28x core, 256 KB Flash, and 176-LQFP package, the TMS320F28343-Q1 may differ in flash size or clock speed. Verify with TI.
When should I choose TMS320F28343-Q1 over TMS320F28335-Q1?
You should choose TMS320F28343-Q1 over TMS320F28335-Q1 only if the specific application requires the features offered by that exact part, such as a unique package or memory configuration. Without detailed parameters, it is safer to use TMS320F28335-Q1 for well-documented designs.
Is TMS320F28343-Q1 suitable for motor control?
Yes, the C2000 Delfino family is specifically optimized for motor control applications. The TMS320F28343-Q1, as a Delfino member, should provide the required PWM, ADC, and computational capabilities for field-oriented control and other closed-loop algorithms.
What is the best drop-in replacement for TMS320F28343-Q1?
We cannot confirm a drop-in replacement because the package and pinout of TMS320F28343-Q1 are not in our verified data. Candidates like TMS320F28335-Q1 are similar but may not be pin-compatible. Use TI's cross-reference tool to find an exact match.
Where can I download the TMS320F28343-Q1 datasheet PDF?
You can download the TMS320F28343-Q1 datasheet from the Texas Instruments website. The provided datasheet link in our data is for TMS320F28335, not the target part: https://www.ti.com/lit/ds/symlink/tms320f28335.pdf. Visit www.ti.com and search for the exact MPN.
Where to find TMS320F28343-Q1 pinout?
The pinout of TMS320F28343-Q1 is not available in our verified data. It is typically provided in the official datasheet. Please download the datasheet from TI or check the product page to obtain the complete pinout diagram.
Hey Google, what can replace TMS320F28343-Q1?
Potential replacements include TMS320F28335-Q1, TMS320F28334-Q1, and other C2000 Delfino variants. However, these parts may not be pin-compatible, so you must verify package and pinout before substituting. Use TI's cross-reference tool for a validated recommendation.
Is TMS320F28343-Q1 the same as TMS320F28335-Q1?
No, they are different part numbers. TMS320F28343-Q1 and TMS320F28335-Q1 are both from the C2000 Delfino family but may have different specifications. Always check the datasheet for each part before assuming compatibility.
What are the key specifications of TMS320F28343-Q1 that engineers should know?
The key specifications of TMS320F28343-Q1 are not fully documented in our verified data. From the family information, it is a 32-bit C28x Delfino real-time MCU. For critical parameters like clock speed, flash memory, and package, refer to the official TI datasheet to avoid design errors.
What is the best alternative brand equivalent for TMS320F28343-Q1?
We have not found a verified cross-brand equivalent. C2000 series has unique features that are hard to match. If you require a different brand, consider NXP or Microchip real-time MCUs, but pin compatibility and performance must be thoroughly evaluated.

Engineering reference data for TMS320F28343-Q1 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the TMS320F28343-Q1 when you need an automotive-qualified C2000 Delfino MCU for real-time control applications. If you require a well-documented part with a known flash size and package, the TMS320F28335-Q1 is a safer choice. For lower-cost, fixed-point control, consider the TMS320F28035-Q1. Since the exact specifications of the TMS320F28343-Q1 are not verified, carefully evaluate the datasheet before committing to this part. Use the TI cross-reference tool to confirm pin compatibility with your existing layout.

Comparison with Alternatives

Parameter This Product TMS320F28335-Q1 TMS320F28334-Q1 TMS320F28333-Q1
Package [DATA_NEEDED: package] 176-LQFP (PGF) 176-LQFP (PGF) 176-LQFP (PGF)
Brand Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Core C28x Delfino C28x Delfino C28x Delfino C28x Delfino
Bit Width 32-bit 32-bit 32-bit 32-bit
Clock Speed [DATA_NEEDED] 150 MHz 150 MHz 150 MHz
Flash Memory [DATA_NEEDED] 512 KB 256 KB 128 KB
Automotive Grade [DATA_NEEDED: AEC-Q100] Yes (Q1) Yes (Q1) Yes (Q1)
Pin Count [DATA_NEEDED] 176 176 176

Key Differentiators

  • Automotive-grade qualification (vs TMS320F28335 (non-Q1))
  • Same family as TMS320F28335 (vs TMS320F28035-Q1)
  • Potential for high performance (vs TMS320F28334-Q1)

Design Notes

Ensure a stable power supply: use a 1.9V core and 3.3V I/O rails with decoupling capacitors. Place 0.1uF and 1uF capacitors close to each power pin. If the exact voltage requirements are unknown, confirm from the datasheet before layout.

The Delfino MCU can dissipate significant power, especially at 150 MHz. Provide adequate copper pour and, if necessary, a heatsink. For automotive temperatures, derate the clock speed and observe junction temperature limits. Verify the package thermal resistance from the datasheet.

Do not assume pin compatibility with other C2000 parts without a verified datasheet. The TMS320F28343-Q1 may have different pin functions. Also, ensure the flash programming voltage is correctly applied. Use the TI Uniflash tool for programming.

Compliance Information

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

The -Q1 suffix implies automotive qualification, but specific values are not verified. RoHS and other compliance details require confirmation from official documentation.

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