Overview
The IWR6843AQGABLR is an integrated single-chip mmWave sensor developed by Texas Instruments. It operates in the 60-GHz to 64-GHz frequency band using Frequency Modulated Continuous Wave (FMCW) radar technology. This device is built with TI’s low power 45-nm RFCMOS process, enabling high levels of integration in a compact form factor. It is designed for various industrial and safety-critical applications, offering advanced features such as built-in calibration, self-test, and functional safety compliance up to SIL 3.
Key Specifications
| Specification | Value |
|---|---|
| Frequency Range | 60 GHz to 64 GHz |
| Continuous Bandwidth | 4 GHz |
| Receive Channels | Four |
| Transmit Channels | Three |
| TX Power | 12 dBm |
| RX Noise Figure | 12 dB |
| Phase Noise at 1 MHz | –93 dBc/Hz |
| Operating Temperature Range | –40°C to 105°C |
| Package Type | 161-pin FCBGA (10.4 mm × 10.4 mm) |
| Voltage Range | 1.71V ~ 1.89V, 3.135V ~ 3.465V |
| Memory Size | 1.75 MB RAM (IWR6843) |
| Interfaces | Up to 6 ADC channels, up to 2 SPI ports, up to 2 UARTs, 1 CAN-FD interface, I2C, GPIOs, 2 lane LVDS |
Key Features
- FMCW transceiver with integrated PLL, transmitter, receiver, baseband, and ADC
- Ultra-accurate chirp engine based on fractional-N PLL
- Supports 6-bit phase shifter for TX beam forming
- Arm Cortex-R4F-based radio control system and C674x DSP for advanced signal processing (IWR6843 only)
- Hardware accelerator for FFT, filtering, and CFAR processing
- Built-in calibration and self-test, self-calibrating system across frequency and temperature
- Embedded self-monitoring with no host processor involvement on Functional Safety-Compliant devices
- Supports autonomous mode (loading user application from QSPI flash memory)
- Functional Safety-Compliant up to SIL 3, with safety-related certification by TUV SUD up to SIL 2
Applications
- Industrial sensor for measuring range, velocity, and angle
- Building automation
- Displacement sensing
- Gesture recognition
- Robotics
- Traffic monitoring
- Proximity and position sensing
- Security and surveillance
- Factory automation safety guards
- People counting
- Motion detection
- Occupancy detection
Q & A
- What is the frequency range of the IWR6843AQGABLR?
The IWR6843AQGABLR operates in the 60-GHz to 64-GHz frequency band.
- How many receive and transmit channels does the IWR6843AQGABLR have?
The device has four receive channels and three transmit channels.
- What is the TX power of the IWR6843AQGABLR?
The TX power is 12 dBm.
- What is the operating temperature range of the IWR6843AQGABLR?
The operating temperature range is –40°C to 105°C.
- Does the IWR6843AQGABLR support functional safety compliance?
Yes, it is Functional Safety-Compliant up to SIL 3, with safety-related certification by TUV SUD up to SIL 2.
- What types of interfaces are available on the IWR6843AQGABLR?
The device supports up to 6 ADC channels, up to 2 SPI ports, up to 2 UARTs, 1 CAN-FD interface, I2C, GPIOs, and 2 lane LVDS.
- What is the memory size of the IWR6843AQGABLR?
The device has 1.75 MB of RAM, divided into various segments for different functions.
- Can the IWR6843AQGABLR operate autonomously?
Yes, it supports autonomous mode by loading user applications from QSPI flash memory.
- What kind of signal processing does the IWR6843AQGABLR support?
The device supports advanced signal processing with a C674x DSP and hardware accelerators for FFT, filtering, and CFAR processing.
- What are some common applications of the IWR6843AQGABLR?
Common applications include industrial sensing, building automation, robotics, traffic monitoring, and security and surveillance.
