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AWR1642 Datasheet Preview

AWR1642 Datasheet

FMCW Radar sensor

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AWR1642
SWRS203B – MAY 2017 – REVISED APRIL 2020
AWR1642 Single-Chip 77- and 79-GHz FMCW Radar sensor
1 Device Overview
1.1 Features
1
• FMCW transceiver
– Integrated PLL, transmitter, receiver, Baseband,
and A2D
– 76- to 81-GHz coverage with 4 GHz available
bandwidth
– Four receive channels
– Two transmit channels
– Ultra-accurate chirp (timing) 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 frequency and
temperature
• C674x DSP for FMCW signal processing
• On-chip memory: 1.5MB
• 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
1.2 Applications
Blind spot detection
Lane change assistance
Cross traffic alert
• Other interfaces available to user application
– Up to 6 ADC channels
– Up to 2 SPI channels
– Up to 2 UARTs
– I2C
– GPIOs
– 2-lane LVDS interface for raw ADC data and
debug instrumentation
Functional Safety-Compliant targeted
– Developed for functional safety applications
– Documentation is available to aid ISO 26262
functional safety system design
– Hardware integrity up to ASIL B targeted
– Safety-related certification
– ISO 26262 certification by TUV Sud planned
• AEC-Q100 qualified
• AWR1642 advanced features
– Embedded self-monitoring with no host
processor involvement
– Complex baseband architecture
– Embedded interference detection capability
• 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
• Supports automotive temperature operating range
Parking assistance
Occupancy detection
Gesture recognition
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




etcTI

AWR1642 Datasheet Preview

AWR1642 Datasheet

FMCW Radar sensor

No Preview Available !

AWR1642
SWRS203B – MAY 2017 – REVISED APRIL 2020
40-MHz
Crystal
Serial
Flash
QSPI
Power Management
Antenna
Structure
RX1
RX2
RX3
RX4
TX1
TX2
Radar
Front End
Integrated MCU
ARM Cortex-R4F
Integrated DSP
TI C674x
CAN
CAN FD
DCAN
PHY
MCAN
PHY
Automotive
Network
Automotive
Network
www.ti.com
AWR1642
Figure 1-1. Autonomous Radar Sensor For Automotive Applications
1.3 Description
The AWR1642 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 AWR1642 is an ideal solution
for low-power, self-monitored, ultra-accurate radar systems in the automotive space.
The AWR1642 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 2TX, 4RX system with built-in PLL
and A2D converters. It integrates the DSP subsystem, which contains TI's high-performance C674x DSP
for the Radar Signal processing. The device includes an ARM R4F-based processor subsystem, which is
responsible for radio configuration, control, and calibration. 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.
PART NUMBER
Device Information(1)
PACKAGE
AWR1642ABIGABLQ1 (Tray)
AWR1642ABIGABLRQ1 (Reel)
FCBGA (161)
(1) For more information, see Section 10, Mechanical, Packaging, and Orderable Information.
BODY SIZE
10.4 mm × 10.4 mm
2
Device Overview
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Product Folder Links: AWR1642
Copyright © 2017–2020, Texas Instruments Incorporated



Part Number AWR1642
Description FMCW Radar sensor
Maker etcTI
Total Page 3 Pages
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