The IWR6843 AOP is TI's 57–64GHz FMCW
single-chip radar sensor built for applications where size, power, and integration depth
matter more than maximum angular resolution. Three architectural decisions differentiate
this device:
- Antenna-on-Package (AoP) —
transmit and receive antennas are integrated directly into the package, eliminating PCB
antenna routing, matching networks, and RF board characterization. The result is a
compact, layout-friendly module that can be placed in mechanically constrained locations:
joint housing, end effectors, robot perimeters, and tight enclosures where a discrete
antenna PCB does not fit
- Full onboard signal processing —
the integrated HWA1.0 hardware accelerator, C67x DSP, and Arm®
Cortex®-R4F MCU run the complete radar signal chain on-chip.
Range-Doppler processing, CFAR detection, and point cloud output execute without any
external host processor, reducing system component count, PCB area, and power draw
compared to a front-end-only device paired with external compute
- IEC 61508 SIL 2 certification by TÜV
SÜD — the same functional safety qualification as the IWR6243, supporting
human-robot coexistence deployments where certified hardware integrity is required by the
safety argument
The IWR6843 AOP targets use cases where each sensor node must be
self-contained: proximity detection around robot limbs, safety
bubble enforcement on collaborative arms, and short-range obstacle
sensing in battery-powered AMRs where a dedicated radar host is not
available or not justified.