Related Manuals for Acconeer A111-003
Summary of Contents for Acconeer A111-003
- Page 1 A111-003 – Pulsed Coherent Radar Operational description, User manual, and Installation instruction...
- Page 2 A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction A111-003 Overview The A111-003 (hereafter referred to as A111) is a radar system based on pulsed coherent radar (PCR) technology and is setting a new benchmark for power consumption and distance accuracy –...
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Page 3: Table Of Contents
A111-003 Pulsed Coherent Radar Operational description and User manual Table of Contents Revision History ..........................4 Description ............................. 5 Functional Block Diagram ....................6 Pin Configuration and Functions ....................7 Specifications ..........................9 Absolute Maximum Ratings ....................9 Environmental Sensitivity ....................9 Recommended Operating Conditions ................ -
Page 4: Revision History
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction Revision History Revision Comment V1.0 Released version © 2021 Copyright by Acconeer 2022-01-04 Page 4 of 36... -
Page 5: Description
Operational description and User manual Description The A111-003 (hereafter referred to as A111) is an optimized low-power, high-precision, 60 GHz radar sensor with integrated Baseband, an RF front-end and an Antenna in Package (AIP). The sensor is based on pulsed coherent radar (PCR) technology, featuring a leading-edge patented solution with picosecond time resolution. -
Page 6: Functional Block Diagram
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction 2.1 Functional Block Diagram A111 One Package Solution A111 Silicon Digital mmWave Radio Tx ant. Program SPI (4) memory INTERRUPT XIN (ref clk) Rx an t. XOUT Data CTRL (optional) -
Page 7: Pin Configuration And Functions
A111-003 Pulsed Coherent Radar Operational description and User manual Pin Configuration and Functions The below figure shows the A111 pin configuration, top view: CTRL VIO_1a VIO_2a VIO_1b VIO_2b Supply ENABLE Analog XOUT VBIAS SPI_SS VIO_3a SPI_CLK SPI_MISO SPI_MOSI VIO_3b INTERRUPT Figure 3.1. - Page 8 A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction Pin name Pin type Description Comment Ground Must be connected to solid ground plane F2, F9 Ground Must be connected to solid ground plane ENABLE Must be connected to host MCU available GPIO.
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Page 9: Specifications
JS-001, Class 1C 1000 Latch-up JESD78, Class I Pass Table 4.2 Environmental sensitivity (1) For reference only. The package is generically qualified by the manufacturer. Acconeer does not guarantee adherence to standard. Page 9 of 36 2022-01-04 © 2021 Copyright by Acconeer... -
Page 10: Recommended Operating Conditions
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction 4.3 Recommended Operating Conditions The below table shows the A111 recommended operating conditions, on package: Parameter Min. Typ. Max. Unit Operating power supply voltage, VIO_1 1.71 1.89 Operating power supply voltage, VIO_2 1.71... -
Page 11: Power Consumption Summary
A111-003 Pulsed Coherent Radar Operational description and User manual The below table shows the A111 electrical AC specification conditions, on package, at T = -40ºC to 85ºC: Parameter Min. Typ. Max. Unit I/O output operating frequency I/O minimum positive and negative pulse 6.25... - Page 12 A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction MEASURE, PROFILE 4 VIO_1 5.20 6.86 MEASURE, PROFILE 4 VIO_2 4.18 5.32 MEASURE, PROFILE 4 VIO_3 62.4 81.8 MEASURE, PROFILE 5 VIO_1 6.37 8.29 MEASURE, PROFILE 5 VIO_2 6.06 7.61...
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Page 13: Timing Requirements
A111-003 Pulsed Coherent Radar Operational description and User manual Timing Requirements 5.1 Serial Peripheral Interface The Serial Peripheral Interface (SPI) is a 4-wire serial bus, used for configuration and reading output from the A111 radar sensor. The A111 radar sensor is an SPI slave device connected to the SPI master, as described in figure 5.1. - Page 14 A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction Parameter Min. Typ. Max. Unit Clock frequency SS setup time SS hold time MOSI setup time MOSI hold time MISO propagation delay Table 5.1 SPI timing characteristics (1) The 50 MHz clock frequency requires that the reference clock is at least 20.625 MHz (2) 10pF load on SPI_MISO ©...
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Page 15: Typical Characteristics
A111-003 Pulsed Coherent Radar Operational description and User manual Typical Characteristics 6.1 Radar Loop Gain Pattern The Radar Loop Gain pattern includes the gain in both the TX and RX radar path and is defined as the angular separation between the two points at which the gain has decreased by 3dB relative to the maximum main lobe value, when the radar itself is used to measure the reflected power. -
Page 16: Relative Phase Accuracy
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction Figure 6.2. Normalized radar loop gain radiation pattern at H-plane 6.2 Relative Phase Accuracy Conditions: T = 25 ºC, V = 1.8 V. Statistical result based on sweep count 100, 20 tested devices. -
Page 17: Functional Description
CLK ref. 20-80 MHz Figure 7.1. System integration The Acconeer software is executed on Host MCU that handles sensor initiation, configuration, sweep acquisition and signal processing. The Serial Peripheral Interface (SPI) is a 4-wire serial bus, used for configuration and reading output from the A111 radar sensor. -
Page 18: Acconeer Software
Operational description, User manual, and Installation instruction 7.1 Acconeer Software The Acconeer software has been written in C and is portable to any OS and HW platform. The Acconeer software is executed on Host MCU and delivered as binaries, except for integration software that is delivered as source code. -
Page 19: Power Sequences
A111-003 Pulsed Coherent Radar Operational description and User manual 7.3 Power Sequences The power-up sequence is described using the recommended integration shown in the below figure: 1.8V VIO_1a,b A111 INTERRUPT SPI_SS VIO_2a,b SPI_MISO VIO_3a,b SPI_MOSI VBIAS Host SPI_CLK ENABLE XOUT CTRL Figure 7.3. - Page 20 A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction VIO_3a,b VIO_1-2a,b ENABLE CTRL Time Figure 7.4. Power up sequence The power up sequence is initiated by turning on VIO_3a,b. It must be turned on before or simultaneously with ENABLE and VIO_1-2a,b. ENABLE and VIO_1-2a,b can be turned on in any order and independently of each other.
- Page 21 A111-003 Pulsed Coherent Radar Operational description and User manual After power up is complete, the sensor is loaded with a program. Up until the point where the sensor’s program is started, the INTERRUPT is high impedance. However, after the sensor’s program has started the INTERRUPT is configured to a push-pull CMOS output.
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Page 22: Layout Recommendations
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction Layout Recommendations A111 sensor free space integration should take the following into consideration: • Any material above the sensor should have as low permittivity and loss as possible, e.g. plastic or glass with low permittivity. -
Page 23: Bill Of Material (Bom)
A111-003 Pulsed Coherent Radar Operational description and User manual 8.1 Bill of Material (BoM) The below table shows BOM for integration of the A111: Component Value Description C1, C2, C3 1 µF VIO_1, VIO_2, VIO_3 decoupling 100 kΩ R1, R2... -
Page 24: Xtal
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction 8.2 XTAL The input clock can origin from a crystal (XTAL), connected to XIN and XOUT. The A111 sensor has a built-in XTAL oscillator and by adding an external XTAL component, as shown in the below figure 8.1, a reference design without any external clock reference supplied is... -
Page 25: External Clock Source
A111-003 Pulsed Coherent Radar Operational description and User manual 8.3 External Clock Source The input clock can origin from an external clock source connected to XIN, with XOUT left open. As an example given in table 8.3, maximum phase noise figures are given using 40 MHz external clock reference. -
Page 26: Power Supply
Table 8.4: Required power supply ripple specification for VIO_3 Low-cost LC filter solution Acconeer provides recommended low-cost LC filter solution, the recommended filter is displayed in figure 8.2. The values of the component demonstrate an example filter design, exact values depend on switching frequency and ripple amplitude of the supply regulator. - Page 27 A111-003 Pulsed Coherent Radar Operational description and User manual Figure 8.3: Simulated performance with 10mV supply ripple with low cost LC supply filter. Page 27 of 36 2022-01-04 © 2021 Copyright by Acconeer...
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Page 28: Regulatory Approval
9.1 ETSI Hereby, Acconeer declares that the A111 sensor is compliant with directive 2014/53/EU. 9.1.1 EU type examination certificate © 2021 Copyright by Acconeer... -
Page 29: Declaration Of Conformity Fcc
The A111-003 sensor meets the title 47 of the Code of Federal Regulations, part 15 section 15.255 for intentional radiators operating in the 57-71 GHz band, with the addition of the waiver conditions outlined in DA 21-814 and listed here below. -
Page 30: Host Integrator Instructions
DA 21-814. 2.2 List of applicable FCC rules The A111-003 module meets the title 47 of the Code of Federal Regulations, part 15 section 15.255 for intentional radiators operating in the 57-71 GHz band, with the addition of the waiver conditions outlined in DA 21-814, and presented in section 9.2 of this User manual. - Page 31 Tx emission configuration. This test binary is available in the software provided by Acconeer and can be used for that the module as installed in a host complies with FCC requirements. 2.10 Additional testing, Part 15 Subpart B disclaimer The host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification.
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Page 32: Mechanical Data
A111-003 Pulsed Coherent Radar Operational description, User manual, and Installation instruction 10 Mechanical Data The A111 is available in fcCSP package for mounting on a substrate. The below table shows mechanical data: Parameter Min. Typ. Unit Body X 5.15 5.20 5.25... - Page 33 A111-003 Pulsed Coherent Radar Operational description and User manual The physical layout of the A111 sensor is shown in Figure 10.2, 10.3 and 10.4. Figure 10.2. Physical layout of the A111 sensor, top view. Figure 10.3. Physical layout of the A111 sensor, side view.
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Page 34: Moisture Sensitivity Level And Recommended Reflow Profile
µm ±5 µm and the collapsed ball height is 0.244 ± 0.050 mm. 10.1 Moisture Sensitivity Level and Recommended Reflow Profile Acconeer A111 sensor is a Moisture Sensitive Devices (MSD) in accordance to the IPC/JEDEC specification. The Moisture Sensitivity Level (MSL) relates to the packaging and handling precautions required. -
Page 35: Abbreviations
A111-003 Pulsed Coherent Radar Operational description and User manual 11 Abbreviations Analog digital converter Antenna in package Application programming interface Ball grid array Bill of materials "Conformité Européene" (which literally means "European Conformity") CPHA Clock phase CPOL Clock polarity EIRP... -
Page 36: Disclaimer
Operational description, User manual, and Installation instruction Disclaimer The information herein is believed to be correct as of the date issued. Acconeer AB (“Acconeer”) will not be responsible for damages of any nature resulting from the use or reliance upon the information contained herein.
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