Overview
The TMS320F28022DAQ is a microcontroller from Texas Instruments, part of the TMS320F2802x series. This device is designed for real-time control applications, particularly in the fields of motor control, power conversion, and other industrial automation tasks. It features a high-efficiency 32-bit CPU (TMS320C28x) with various clock speed options, including 50 MHz and 40 MHz configurations. The microcontroller 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 and reliable choice for system design.
Key Specifications
| Specification | Details |
|---|---|
| CPU Type | 32-bit TMS320C28x |
| Clock Speed | Up to 50 MHz (20-ns cycle time), 40 MHz (25-ns cycle time) |
| Package Type | 38-Pin DA TSSOP |
| Supply Voltage | 3.3 V |
| Temperature Options | T: –40°C to 105°C, S: –40°C to 125°C |
| Memory | Flash, SARAM, OTP, Boot ROM |
| GPIO Pins | Up to 22 individually programmable, multiplexed GPIO pins |
| Timers | Three 32-bit CPU timers, independent 16-bit timer in each ePWM |
| ADC | 12-Bit ADC, 7 channels, conversion time: 500 ns |
| Serial Peripherals | SCI (UART), SPI, I2C |
Key Features
- High-efficiency 32-bit CPU with Harvard bus architecture and fast interrupt response.
- Integrated power-on and brown-out resets, and low power consumption.
- Up to 22 individually programmable, multiplexed GPIO pins with input filtering.
- Peripheral Interrupt Expansion (PIE) block supporting all peripheral interrupts.
- Enhanced control peripherals including ePWM, HRPWM, eCAP, and ADC.
- On-chip temperature sensor and comparators with integrated DACs.
- Code-security module with 128-bit security key and lock to protect secure memory blocks.
- Advanced emulation features for real-time debug through hardware.
Applications
- Air conditioner outdoor units.
- Inverter and motor control systems.
- Textile machines.
- Micro inverters.
- AC drive power stage modules.
- AC-input BLDC motor drives.
Q & A
- What is the maximum clock speed of the TMS320F28022DAQ?
The maximum clock speed is up to 50 MHz (20-ns cycle time) and 40 MHz (25-ns cycle time).
- What types of memory are available on the TMS320F28022DAQ?
The device includes Flash, SARAM, OTP, and Boot ROM.
- What is the supply voltage for the TMS320F28022DAQ?
The supply voltage is 3.3 V.
- What are the temperature options for the TMS320F28022DAQ?
The temperature options are T: –40°C to 105°C and S: –40°C to 125°C.
- How many GPIO pins does the TMS320F28022DAQ have?
It has up to 22 individually programmable, multiplexed GPIO pins.
- What serial peripherals are available on the TMS320F28022DAQ?
The device includes SCI (UART), SPI, and I2C.
- Does the TMS320F28022DAQ have any security features?
Yes, it has a code-security module with a 128-bit security key and lock.
- What kind of timers are available on the TMS320F28022DAQ?
It includes three 32-bit CPU timers and independent 16-bit timers in each ePWM.
- What is the resolution and conversion time of the ADC on the TMS320F28022DAQ?
The ADC is 12-bit with 7 channels and a conversion time of 500 ns.
- What are some common applications of the TMS320F28022DAQ?
Common applications include air conditioner outdoor units, inverter and motor control systems, textile machines, micro inverters, and AC drive power stage modules.
