IWR1642 Texas instruments

IWR1642

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IWR1642

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Описание

The IWR1642 device is an integrated single-chip mmWave sensor based on FMCW radar technology capable of operation in the 76- to 81-GHz band with up to 4 GHz continuous chirp. The device is built with TI’s low-power 45-nm RFCMOS process, and this solution enables unprecedented levels of integration in an extremely small form factor. The IWR1642 is an ideal solution for low-power, self-monitored, ultra-accurate radar systems in industrial applications such as building automation, factory automation, drones, material handling, traffic monitoring, and surveillance.The IWR1642 device is a self-contained, single-chip solution that simplifies the implementation of mmWave sensors in the band of 76 to 81 GHz. IWR1642 includes a monolithic implementation of a 2TX, 4RX system with built-in PLL and A2D converters. The IWR1642 also integrates a DSP subsystem, which contains TIs high-performance C674x DSP for the radar signal processing. The device includes an ARM R4F-based processor subsystem, which is responsible for front-end configuration, control, and calibration. Simple programming model changes can enable a wide variety of sensor implementation with the possibility of dynamic reconfiguration for implementing a multimode sensor. Additionally, the device is provided as a complete platform solution including reference hardware design, software drivers, sample configurations, API guide, training, and user documentation.

FMCW Transceiver
- Integrated PLL, Transmitter, Receiver, Baseband, and A2D
- 76- to 81-GHz Coverage With 4-GHz Continuous Bandwidth
- Four Receive Channels
- Two Transmit Channels
- Ultra-Accurate Chirp (Timing) Engine Based on Fractional-N PLL
- TX Power: 12.5 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, Classification, and Interface Control
- Supports Autonomous Mode (Loading User Application from QSPI Flash Memory)
Internal Memories With ECC
Integrated Peripherals
- Up to 6 ADC Channels
- Up to 2 SPI Channels
- Up to 2 UARTs
- CAN Interface
- I²C
- GPIOs
- 2-Lane LVDS Interface for Raw ADC Data and Debug Instrumentation
IWR1642 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
Operating Conditions
- Junction Temp Range: –40°C to 105°C

Frequency range	76 - 81 GHz
Number of receivers	4
Number of transmitters	2
ADC sampling rate (ksps)	125000
TX power (dBm)	12
Arm CPU	ARM R4F @ 200MHz
DSP type	1 C67x DSP @ 600MHz
Interface type	CAN, I2C, LVDS, QSPI, SPI, UART
RAM (kByte)	1536
Operating temperature range (°C)	-40 to 105
Security	Cryptographic acceleration, Device identity/keys, Secure boot, Secure software update, Software IP protection
Power supply solution	LP87702-Q1, LP87745-Q1
Rating	Catalog