Overview
The IWR1443FQAGABL, produced by Texas Instruments, is an integrated single-chip mmWave sensor based on Frequency Modulated Continuous Wave (FMCW) radar technology. This device operates in the 76- to 81-GHz band with up to 4 GHz continuous chirp, making it an ideal solution for low-power, self-monitored, ultra-accurate radar systems. Built using TI’s low-power 45-nm RFCMOS process, the IWR1443 enables unprecedented levels of integration in a small form factor, simplifying the implementation of mmWave sensors in various industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| Frequency Range | 76 GHz to 81 GHz |
| Continuous Bandwidth | Up to 4 GHz |
| Transmit Channels | Three (two can be used simultaneously) |
| Receive Channels | Four |
| TX Power | 12 dBm |
| RX Noise Figure | 14 dB (76 GHz to 77 GHz), 15 dB (77 GHz to 81 GHz) |
| Phase Noise at 1 MHz | –95 dBc/Hz (76 GHz to 77 GHz), –93 dBc/Hz (77 GHz to 81 GHz) |
| Microcontroller | ARM® Cortex®-R4F, clocked at 200 MHz |
| Package | 161-Pin 10.4 mm × 10.4 mm Flip Chip BGA |
| Junction Temperature Range | –40°C to 105°C |
Key Features
- FMCW Transceiver with integrated PLL, transmitter, receiver, baseband, and A2D converters
- Ultra-accurate chirp engine based on Fractional-N PLL
- Built-in calibration and self-test capabilities
- ARM® Cortex®-R4F-based radio control system with built-in firmware and self-calibrating system across frequency and temperature
- On-chip programmable core for embedded user applications with on-chip bootloader supporting autonomous mode
- Integrated peripherals including I2C, two SPI ports, CAN port, and up to six general-purpose ADC ports
- Radar hardware accelerator supporting complex FFT and CFAR detection
- High-speed data interface to support distributed applications
- Host interface with control interface over SPI and data interface over MIPI D-PHY and CSI2 V1.1
- Embedded self-monitoring with no host processor involvement and embedded interference detection capability
- Power management with built-in LDO network for enhanced PSRR and dual voltage support (3.3V/1.8V)
Applications
- Industrial sensors for measuring range, velocity, and angle
- Tank level probing radar
- Displacement sensing
- Field transmitters
- Traffic monitoring
- Proximity and position sensing
- Security and surveillance
- Factory automation and safety guards
- Building automation and material handling
- Drones and surveillance systems
Q & A
- What is the frequency range of the IWR1443?
The IWR1443 operates in the 76 GHz to 81 GHz band.
- How many transmit and receive channels does the IWR1443 have?
The IWR1443 has three transmit channels (two can be used simultaneously) and four receive channels.
- What is the TX power of the IWR1443?
The TX power of the IWR1443 is 12 dBm.
- What type of microcontroller is integrated into the IWR1443?
The IWR1443 includes an ARM® Cortex®-R4F microcontroller clocked at 200 MHz.
- What are the key peripherals integrated into the IWR1443?
The IWR1443 includes I2C, two SPI ports, CAN port, and up to six general-purpose ADC ports.
- Does the IWR1443 support autonomous mode?
- What is the junction temperature range of the IWR1443?
The junction temperature range of the IWR1443 is –40°C to 105°C.
- What types of interfaces does the IWR1443 support for external processors?
The IWR1443 supports control interface over SPI and data interface over MIPI D-PHY and CSI2 V1.1.
- Does the IWR1443 have built-in calibration and self-test capabilities?
- What are some of the industrial applications of the IWR1443?
The IWR1443 is used in industrial applications such as building automation, factory automation, drones, material handling, traffic monitoring, and surveillance.
