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See Technical Specifications

AWR6843ABSABLRQ1

Single-chip 60-GHz to 64-GHz automotive radar sensor integrating DSP, MCU and radar accelerator

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

AWR6843ABSABLRQ1
Datasheet:

AWR6843ABSABLRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100, mmWave
Type:

TxRx + MCU
Frequency:

60GHz ~ 64GHz
Data Rate (Max):

900Mbps
EDA/CAD Models:

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Email: [email protected]

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AWR6843ABSABLRQ1 General Description

The AWR device is an integrated single chip mmWave sensor based on FMCW radar technology capable of operation in the 60-GHz to 64-GHz band. It is built with TI’s low power45-nm RFCMOS process and enables unprecedented levels of integration in an extremely small formfactor. This is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the automotive space. Multiple automotive qualified variants are currently available including Functional Safety-Compliant devices and non-functional safety devices.

Key Features

FMCW transceiver
- Integrated PLL, transmitter, receiver, Baseband, and ADC
- 60- to 64-GHz coverage with 4-GHz continuous bandwidth
- Four receive channels
- Three transmit channels
- Supports 6-bit phase shifter
- Ultra-accurate chirp engine based on fractional-N PLL
- TX power: 12 dBm
- RX noise figure:
  - 12 dB
- Phase noise at 1 MHz:
  - –93 dBc/Hz
Built-in calibration and self-test
- Arm Cortex-R4F-based radio control system
- Built-in firmware (ROM)
- Self-calibrating system across process and temperature
- Embedded self-monitoring with no host processor involvement on Functional Safety-Compliant devices
C674x DSP for advanced signal processing (AWR6843 only)
Hardware accelerator for FFT, filtering, and CFAR processing
Memory compression
Arm® Cortex®-R4F microcontroller for object detection, and interface control
- Supports autonomous mode (loading user application from QSPI flash memory)
Internal memory with ECC
- AWR6843:1.75 MB, divided into MSS program RAM (512 KB), MSS data RAM (192 KB), DSP L1RAM (64KB) and L2 RAM (256 KB), and L3 radar data cube RAM (768 KB)
- AWR6443: 1.4 MB, divided into MSS program RAM (512 KB), MSS data RAM (192 KB), and L3 radar data cube RAM (768 KB)
- Technical reference manual includes allowed size modifications
Other interfaces available to user application
- Up to 6 ADC channels (low sample rate monitoring)
- Up to 2 SPI ports
- Up to 2 UARTs
- 2 CAN-FD interfaces
- I2C
- GPIOs
- 2 lane LVDS interface for raw ADC data and debug instrumentation
Device Security (on select part variants)
- Secure authenticated and encrypted boot support
- Customer programmable root keys, symmetric keys (256 bit), Asymmetric keys (up to RSA-2K) with Key revocation capability
- Crypto software accelerators - PKA , AES (up to 256 bit), SHA (up to 256 bit), TRNG/DRGB
Functional Safety-Compliant
- Developed for functional safety applications
- Documentation available to aid ISO 26262 functional safety system design up to ASIL-D
- Hardware integrity up to ASIL-B
- Safety-related certification
  - ISO 26262 certified up to ASIL B by TUV SUD
Non-Functional safety variants also available
AEC-Q100 qualified
Power management
- Built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
Clock source
- 40.0 MHz crystal with internal oscillator
- Supports external oscillator at 40 MHz
- Supports externally driven clock (square/sine) at 40 MHz
Easy hardware design
- 0.65-mm pitch, 161-pin 10.4 mm × 10.4 mm flip chip BGA package for easy assembly and low-cost PCB design
- Small solution size
Operating conditions:
- Junction temperature range of –40°C to 125°C

Specifications

Category	RF and WirelessRF Transceiver ICs	Series	Automotive, AEC-Q100, mmWave
Type	TxRx + MCU	RF Family/Standard	-
Protocol	-	Modulation	-
Frequency	60GHz ~ 64GHz	Data Rate (Max)	900Mbps
Power - Output	12dBm	Sensitivity	-
Memory Size	1.75MB RAM	Serial Interfaces	ADC, GPIO, I²C, SPI, UART
Voltage - Supply	1.71V ~ 1.89V, 3.15V ~ 3.45V	Current - Receiving	-
Current - Transmitting	-	Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount	Base Product Number	AWR6843