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Texas Instruments IWR1443FQAGABL
- Part No.:
- IWR1443FQAGABL
- Manufacturer:
- Texas Instruments
- Category:
- RF Transceiver ICs
- Package:
- 161-LFBGA, FCBGA
- Datasheet:
-
IWR1443FQAGABL.pdf
- Description:
- IC RF TXRX+MCU 161FC/CSP
- Quantity:
- Payment:
- Shipping:
Inventory:8,604
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Product details
Overview
IWR1443FQAGABL from Texas Instruments is a single-chip 76–81 GHz FMCW mmWave radar sensor IC integrating transmitter, receiver, PLL, baseband, A2D converters, ARM® Cortex®-R4F microcontroller (200 MHz), radar hardware accelerator, and QSPI flash interface. It delivers 12 dBm TX power, 14–15 dB RX noise figure across band, and supports four receive / three transmit channels for industrial ranging, velocity, and angle sensing.
For engineers reviewing the IWR1443FQAGABL datasheet, IWR1443FQAGABL pinout, IWR1443FQAGABL application, or IWR1443FQAGABL equivalent, key selection criteria include its 161-pin FCBGA package, 4-GHz continuous chirp bandwidth, autonomous calibration capability, CSI-2/MIPI high-speed data interface, and integrated radar-specific hardware acceleration for FFT and CFAR processing.
Technical Context
The IWR1443FQAGABL implements a fully integrated 3TX/4RX mmWave front end with fractional-N PLL-based ultra-linear chirp generation, enabling precise time-of-flight measurement. Its dual-processor subsystem architecture separates radio control (dedicated R4F) from user application execution (main R4F), with hardware-accelerated radar signal processing including decimation, FFT, log-magnitude, and CFAR detection.
It supports autonomous operation via on-chip bootloader loading firmware from external QSPI flash, and features dual-voltage I/O (3.3 V/1.8 V), built-in LDO network for PSRR enhancement, and embedded self-monitoring without host processor involvement - critical for safety-critical industrial deployments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency Band | 76–81 GHz with 4 GHz continuous chirp bandwidth - enables sub-centimeter range resolution in industrial radar applications. |
| Transmit Channels | 3 TX (2 simultaneous) - supports MIMO configurations for angular resolution improvement and clutter rejection. |
| Receive Channels | 4 RX - provides sufficient spatial sampling for Doppler and AoA estimation in compact form factor. |
| RX Noise Figure | 14 dB (76–77 GHz), 15 dB (77–81 GHz) - ensures high sensitivity for long-range or low-RCS target detection. |
| TX Output Power | 12 dBm - balances radiated power, regulatory compliance, and thermal dissipation in sealed enclosures. |
| Processor Core | ARM Cortex-R4F @ 200 MHz - real-time deterministic execution for radar signal chain control and embedded application logic. |
| Hardware Accelerator | Dedicated radar coprocessor for FFT, log-magnitude, CFAR - offloads >90% of baseband computation from CPU, reducing latency and power. |
| Operating Junction Temp | –40°C to +105°C - qualified for harsh industrial environments including factory automation and tank level monitoring. |
Pinout & Package
Package: 161-pin Flip-Chip BGA (FCBGA), 10.4 mm × 10.4 mm, 0.65-mm pitch - optimized for high-frequency RF routing, thermal management, and low-cost PCB assembly with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TX1, TX2, TX3 | RF Transmitter Outputs | Single-ended 76–81 GHz outputs; require matched 50-Ω microstrip routing and isolation from RX paths. |
| RX1–RX4 | RF Receiver Inputs | Single-ended analog inputs; each connects to dedicated LNA and IF ADC chain for independent channel processing. |
| CSI2_TXP[0]–[3], CSI2_CLKP/M | High-Speed Data Interface | LVDS/CSI-2 v1.1 compliant differential lanes - supports up to 600 Mbps aggregate throughput for raw radar point cloud streaming. |
| QSPI_CS, QSPI_CLK, QSPI[0–3] | Serial Flash Interface | Master-mode quad SPI interface - boots user firmware directly from external QSPI flash without host MCU dependency. |
| VDDIN, VIN_SRAM, VNWA | Digital Power Rails | 1.2-V supplies with separate domains for logic, SRAM array, and back-bias - enable fine-grained power gating and leakage control. |
| VIOIN, VIOIN_18, VIOIN_18DIFF | I/O Voltage Supplies | Configurable 3.3 V / 1.8 V digital I/O and 1.8 V CSI-2 differential I/O - supports mixed-voltage system interfacing and EMI reduction. |
| NRESET, WARM_RESET, NERROR_OUT | Safety & Reset Control | Open-drain fail-safe signals - integrate directly with industrial PMICs for ASIL-B–compatible fault reporting and recovery sequencing. |
Key Features
| Feature | Design Value |
|---|---|
| Fractional-N PLL chirp engine | Enables <100 Hz range resolution and <0.1° angular accuracy via ultra-linear frequency ramps with <±50 ppm linearity error. |
| On-chip radar hardware accelerator | Executes 1024-point FFT, log-magnitude, and CFAR in <50 µs per frame - eliminates need for external DSP in cost-sensitive edge sensors. |
| Self-calibrating RF front end | Compensates for temperature drift and process variation across 76–81 GHz band without external calibration equipment or host intervention. |
| Autonomous boot from QSPI flash | Loads and executes user application firmware at power-up - enables true "sensor-in-a-box" deployment with zero host MCU overhead. |
| Embedded interference detection | Identifies and mitigates narrowband/jammer signals in real time using on-chip spectral monitoring - maintains detection integrity in congested RF environments. |
| Dual R4F subsystem architecture | Separates safety-critical radio control (dedicated R4F) from application logic (main R4F) - supports functional safety partitioning per IEC 61508 SIL-2. |
Applications
| Tank Level Probing Radar | Factory Automation Presence Detection |
|---|---|
Use Scenario: Non-contact liquid level measurement in stainless steel or plastic tanks under varying temperature, pressure, and foam conditions. IC Role / Device Role / Timing Role: Single-chip radar transceiver and signal processor - generates linear chirps, digitizes echo returns, and computes distance via range-Doppler processing. Use Value: Achieves ±1 mm accuracy at 10 m range with no moving parts or calibration drift, eliminating maintenance in hazardous chemical storage. |
Use Scenario: Human/machine proximity detection near robotic arms or CNC workcells to enforce dynamic safety zones. IC Role / Device Role / Timing Role: Real-time velocity and position estimator - tracks sub-10 cm motion with 20 Hz update rate and <50 ms latency. Use Value: Enables Category 3/PLd safety compliance without external safety controllers, reducing BOM and certification effort. |
| Traffic Monitoring Sensor | Security & Surveillance Perimeter Sensing |
Use Scenario: Vehicle classification, speed measurement, and queue detection at intersections or toll plazas in all weather conditions. IC Role / Device Role / Timing Role: Multi-target FMCW radar processor - resolves up to 64 objects simultaneously using MIMO virtual aperture and Doppler binning. Use Value: Delivers automotive-grade accuracy (±0.5 km/h speed, ±0.3 m range) in compact IP67 housing with no optical line-of-sight requirement. |
Use Scenario: Intrusion detection along fence lines or building perimeters where cameras fail due to darkness, fog, or foliage. IC Role / Device Role / Timing Role: Low-power mmWave motion classifier - distinguishes human gait from animal or wind-blown debris using micro-Doppler signature analysis. Use Value: Reduces false alarms by >95% versus PIR sensors while operating continuously at <1.5 W average power. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar mmWave radar sensor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| IWR1642FQAGABL | Includes C674x DSP core and 1.5 MB on-chip memory vs. IWR1443FQAGABL's 576 KB and R4F-only architecture; adds trace, PWM, and HIL support. | Better suited for complex multi-modal radar + vision fusion or real-time adaptive beamforming requiring DSP-level compute. | Select IWR1642FQAGABL only if application requires >1 GFLOPS fixed-point compute or legacy C674x software reuse. |
| IWR6843ISK | 3TX/4RX like IWR1443FQAGABL but in 10.4 mm × 10.4 mm QFN package (not FCBGA); integrates antenna-on-package; lacks CAN and QSPI master mode. | Optimized for rapid prototyping and space-constrained consumer/industrial modules where PCB-level antenna design is impractical. | Choose IWR6843ISK when antenna integration, simplified layout, or lower assembly cost outweighs need for external flash boot and CAN bus connectivity. |
Compared with IWR1443FQAGABL, IWR1642FQAGABL adds DSP compute and memory for advanced algorithms but increases power and complexity, while IWR6843ISK trades package flexibility and interface richness for antenna integration and ease of use - making IWR1443FQAGABL the optimal balance for cost-sensitive, self-contained industrial radar systems requiring CAN, QSPI boot, and full RF design control.
Availability
IWR1443FQAGABL is available at Aetrix Electronics and suitable for tank level probing, factory automation safety systems, and traffic monitoring applications requiring stable component supply, long-term industrial lifecycle support, and consistent mmWave performance across temperature extremes.
Supply support for IWR1443FQAGABL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and mmWave technologies, with decades of automotive and industrial qualification expertise.
The IWR1443FQAGABL belongs to TI's IWR1xxx mmWave sensor family - designed specifically for industrial radar applications demanding high accuracy, low power, small form factor, and autonomous operation without host processor dependency.
FAQ
What is the primary function of the IWR1443FQAGABL in an industrial radar system?
The IWR1443FQAGABL serves as a complete, self-contained 76–81 GHz FMCW radar sensor IC. It integrates RF transceivers, analog-to-digital conversion, real-time signal processing via hardware accelerators, and an ARM Cortex-R4F microcontroller - enabling direct range, velocity, and angle measurement without external processors. Its design eliminates the need for discrete RF, analog, and digital components in industrial sensing applications.
Does the IWR1443FQAGABL support autonomous operation without an external host MCU?
Yes, the IWR1443FQAGABL supports full autonomous operation. Its on-chip bootloader loads user firmware from external QSPI flash memory at power-up, and the integrated ARM Cortex-R4F executes radar signal processing and application logic independently. The device can generate chirps, acquire data, run FFT/CFAR algorithms, and output processed results over CSI-2 or SPI - all without host MCU involvement.
What package type and pin count does the IWR1443FQAGABL use?
The IWR1443FQAGABL uses a 161-pin Flip-Chip Ball Grid Array (FCBGA) package measuring 10.4 mm × 10.4 mm with 0.65-mm pitch. This package is explicitly documented in TI's SWRS211C datasheet and mechanical drawings for the IWR1443FQAGABL variant, supporting high-frequency RF routing, thermal dissipation, and automated assembly.
Which interfaces does the IWR1443FQAGABL provide for high-speed radar data output?
The IWR1443FQAGABL provides MIPI CSI-2 v1.1 and LVDS-compatible high-speed serial interfaces with four differential data lanes (CSI2_TXP/M[0–3]) and a dedicated clock lane (CSI2_CLKP/M). These support up to 600 Mbps aggregate throughput for streaming raw or processed radar point clouds to external processors or recording systems - essential for real-time industrial analytics.
How does the IWR1443FQAGABL handle calibration and RF stability across temperature?
The IWR1443FQAGABL performs built-in self-calibration across frequency and temperature using dedicated on-chip circuitry and firmware. Its fractional-N PLL, LNA gain control, and ADC offset compensation are continuously adjusted during operation - ensuring stable 76–81 GHz performance from –40°C to +105°C junction temperature without external calibration routines or host intervention.
Is the IWR1443FQAGABL pin-compatible with other devices in the IWR1xxx family?
No, the IWR1443FQAGABL is not pin-compatible with other IWR1xxx devices such as IWR1642FQAGABL or IWR6843ISK. While they share functional similarities, differences in power rail requirements, peripheral mapping (e.g., CAN presence), and package construction (FCBGA vs. QFN) prevent direct PCB replacement. Each variant requires unique layout and power delivery design per TI's mechanical documentation.
IWR1443FQAGABL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 161-LFBGA, FCBGA
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Type:
- TxRx + MCU
- RF Family/Standard:
- -
- Protocol:
- -
- Modulation:
- -
- Frequency:
- 76GHz ~ 81GHz
- Data Rate (Max):
- 900Mbps
- Power - Output:
- 12dBm
- Sensitivity:
- -
- Memory Size:
- 576kB RAM
- Serial Interfaces:
- I2C, JTAG, SPI, UART
- GPIO:
- 3
- Voltage - Supply:
- 1.71V ~ 1.89V, 3.15V ~ 3.45V
- Current - Receiving:
- -
- Current - Transmitting:
- -
- Operating Temperature:
- -40°C ~ 105°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 161-FC/CSP (10.4x10.4)
IWR1443FQAGABL FAQ
1.How can I place an order for IWR1443FQAGABL through Aetrix?
Please submit a Request for Quotation (RFQ) for IWR1443FQAGABL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for IWR1443FQAGABL reliable?
The price and inventory of IWR1443FQAGABL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IWR1443FQAGABL is usually 5 days.
3.What payment methods are accepted for IWR1443FQAGABL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IWR1443FQAGABL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for IWR1443FQAGABL?
IWR1443FQAGABL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your IWR1443FQAGABL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for IWR1443FQAGABL?
For technical support, including IWR1443FQAGABL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IWR1443FQAGABL requirements.
6.How does Aetrix verify that IWR1443FQAGABL is sourced from the original manufacturer or authorized distributors?
All IWR1443FQAGABL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IWR1443FQAGABL meets industry standards.
7.What is the process for return or replacement of IWR1443FQAGABL?
All IWR1443FQAGABL units undergo pre-shipment inspection (PSI). If there is an issue with IWR1443FQAGABL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The IWR1443FQAGABL part is unused and in its original packaging.
Return procedure for IWR1443FQAGABL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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