AWR1843ABGABLRQ1

Name: AWR1843ABGABLRQ1
Rating: 4.5 (10 reviews)

FMCW Radar Sensor Digital Output 1.2V Automotive AEC-Q100 161-Pin FC/CSP T/R

8,108 Effective Inventory

AWR1843ABGABLRQ1

Effective Inventory8,108

FMCW Radar Sensor Digital Output 1.2V Automotive AEC-Q100 161-Pin FC/CSP T/R

Manufacturer Part # : AWR1843ABGABLRQ1
Package/Case: FCCSP-161
Part Status : ACTIVE
Brand: Texas Instruments
Product Categories : Automotive mmWave radar sensors
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AWR1843ABGABLRQ1 DataSheet

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Details

The AWR1843 device is an integrated single-chip FMCW radar sensor capable of operation in the 76- to 81-GHz band. The device is built with TI’s low-power 45-nm RFCMOS process and enables unprecedented levels of integration in an extremely small form factor. The AWR1843 is an ideal solution for low-power, self-monitored, ultra-accurate radar systems in the automotive space.

The AWR1843 device is a self-contained FMCW radar sensor single-chip solution that simplifies the implementation of Automotive Radar sensors in the band of 76 to 81 GHz. It is built on TI’s low-power 45-nm RFCMOS process, which enables a monolithic implementation of a 3TX, 4RX system with built-in PLL and ADC converters. It integrates the DSP subsystem, which contains TIs high-performance C674x DSP for the Radar Signal processing. The device includes a BIST processor subsystem, which is responsible for radio configuration, control, and calibration. Additionally the device includes a user programmable ARM R4F based for automotive interfacing. The Hardware Accelerator block (HWA) can perform radar processing and can help save MIPS on the DSP for higher level algorithms. Simple programming model changes can enable a wide variety of sensor implementation (Short, Mid, Long) with the possibility of dynamic reconfiguration for implementing a multimode sensor. Additionally, the device is provided as a complete platform solution including TI reference designs, software drivers, sample configurations, API guides, and user documentation.

Key Features

FMCW transceiver
- Integrated PLL, transmitter, receiver, Baseband, and ADC
- 76- to 81-GHz coverage with 4 GHz available bandwidth
- Four receive channels
- Three transmit channels
- Ultra-accurate chirp engine based on fractional-N PLL
- TX power: 12 dBm
- RX noise figure:
  - 14 dB (76 to 77 GHz)
  - 15 dB (77 to 81 GHz)
- Phase noise at 1 MHz:
  - –95 dBc/Hz (76 to 77 GHz)
  - –93 dBc/Hz (77 to 81 GHz)
Built-in calibration and self-test (monitoring)
- Arm Cortex-R4F-based radio control system
- Built-in firmware (ROM)
- Self-calibrating system across process and temperature
C674x DSP for FMCW signal processing
On-chip Memory: 2MB
Cortex-R4F microcontroller for object tracking and classification, AUTOSAR, and interface control
- Supports autonomous mode (loading user application from QSPI flash memory)
Integrated peripherals
- Internal memories With ECC
Host interface
- CAN and CAN-FD
Other interfaces available to user application
- Up to 6 ADC channels
- Up to 2 SPI channels
- Up to 2 UARTs
- I 2C
- GPIOs
- 2-lane LVDS interface for raw ADC data and debug instrumentation
Device Security ( on select part numbers)
- 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 upto ASIL B by TUV SUD
AEC-Q100 qualified
Device advanced features
- Embedded self-monitoring with no host processor involvement
- Complex baseband architecture
- Embedded interference detection capability
- Programmable phase rotators in transmit path to enable beam forming
Power management
- Built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
Clock source
- Supports external oscillator at 40 MHz
- Supports externally driven clock (square/sine) at 40 MHz
- Supports 40 MHz crystal connection with load capacitors
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 temp range: –40°C to 125°C

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Frequency range	76 - 81 GHz	Number of receivers	4
Number of transmitters	3	ADC sampling rate (max) (Msps)	25
Arm CPU	ARM-Cortex R4F 200MHz	Interface type	CAN, CAN-FD, I2C
DSP type	C674x DSP 600MHz	Hardware accelerators	Radar hardware accelerator
RAM (kByte)	2048	Rating	Automotive
Operating temperature range (°C)	-40 to 125	TI functional safety category	Functional Safety-Compliant
Power supply solution	LP87524B-Q1, LP87524J-Q1, LP87524P-Q1, LP87745-Q1