Overview
The TMS320F28022DAS is a high-performance 32-bit microcontroller from Texas Instruments, part of the TMS320F2802x series. This microcontroller is designed for a wide range of applications, particularly in the fields of motor control, power conversion, and industrial automation. It features a high-efficiency TMS320C28x CPU, which operates at speeds of up to 50 MHz, providing fast processing capabilities and efficient code execution. The device is known for its low power consumption, single 3.3-V supply, and integrated power-on and brown-out resets, making it a cost-effective solution for various system designs.
Key Specifications
| Feature | Specification |
|---|---|
| CPU Type | 32-bit TMS320C28x |
| Operating Frequency | Up to 50 MHz (20-ns cycle time) |
| Package Type | 38-Pin DA TSSOP |
| Package Size | 12.5 mm × 6.2 mm |
| Supply Voltage | Single 3.3-V supply |
| Temperature Range | -40°C to 105°C (T), -40°C to 125°C (S and Q) |
| ADC Channels | 7 channels, 12-bit, 500 ns conversion time |
| ePWM Channels | 8 channels (ePWM1/2/3/4) |
| GPIO Pins | Up to 22 individually programmable, multiplexed GPIO pins |
| Peripheral Bus | 16-Bit and 32-Bit Peripheral Bus |
| Watchdog Timer | Yes |
Key Features
- High-Efficiency CPU: The TMS320C28x CPU supports 16 × 16 and 32 × 32 MAC operations, 16 × 16 dual MAC, and Harvard bus architecture, ensuring high computational efficiency.
- Fast Interrupt Response: The microcontroller features fast interrupt response and processing, enhancing real-time performance.
- Unified Memory Programming Model: This model allows for efficient code execution in C/C++ and Assembly.
- Low Power Consumption: The device operates with low power requirements and no analog support pins, making it energy-efficient.
- Integrated Peripherals: Includes ePWM, eCAP, SPI, I2C, SCI, and more, providing comprehensive peripheral support.
- Temperature Sensor and Dual Sample-and-Hold: Integrated temperature sensor and dual sample-and-hold capabilities for precise measurements.
- Clocking Options: Features two internal zero-pin oscillators, on-chip crystal oscillator, and external clock input for flexible clocking configurations.
Applications
- Air Conditioner Outdoor Unit: Suitable for controlling and monitoring air conditioner systems.
- Inverter & Motor Control: Ideal for motor control applications, including inverter and motor drive systems.
- Textile Machine Control: Used in textile machinery for precise control and automation.
- Micro Inverter and AC Drive Power Stage Module: Applicable in micro inverter and AC drive power stage modules.
- Industrial AC-DC and Three Phase UPS: Suitable for industrial AC-DC conversion and three-phase UPS systems.
- Merchant DC/DC and Telecom Rectifiers: Used in merchant DC/DC and telecom rectifier applications.
Q & A
- What is the maximum operating frequency of the TMS320F28022DAS?
The TMS320F28022DAS operates at a maximum frequency of 50 MHz (20-ns cycle time).
- What is the package type and size of the TMS320F28022DAS?
The TMS320F28022DAS comes in a 38-Pin DA TSSOP package with dimensions of 12.5 mm × 6.2 mm.
- What is the supply voltage requirement for the TMS320F28022DAS?
The device requires a single 3.3-V supply voltage.
- Does the TMS320F28022DAS have integrated temperature sensing capabilities?
Yes, the device includes an integrated temperature sensor.
- How many ePWM channels does the TMS320F28022DAS support?
The TMS320F28022DAS supports up to 8 ePWM channels.
- What types of peripheral buses are available on the TMS320F28022DAS?
The device features both 16-Bit and 32-Bit Peripheral Buses.
- Does the TMS320F28022DAS have a watchdog timer?
Yes, the device includes a watchdog timer module.
- What is the conversion time for the ADC on the TMS320F28022DAS?
The ADC conversion time is 500 ns.
- How many GPIO pins are available on the TMS320F28022DAS?
The device offers up to 22 individually programmable, multiplexed GPIO pins.
- What are some common applications of the TMS320F28022DAS?
Common applications include inverter and motor control, textile machine control, micro inverter, AC drive power stage module, and industrial AC-DC conversion.
