https://e2e.ti.com/support/sensors-group/sensors/<p style="display:none;">blank</p>en-USTelligent Community 13https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642509/iwr6843aopevm-iwr6843aop-stuck-in-bsl-after-flash-to-functional-switch-via-sop-nreset/6337907Fri, 08 May 2026 10:18:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:f5f6dc1a-9fdc-47e3-9baf-b4802fb593c3Muhammad Afaq YounasHey, Any update.https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643848/tmcs1100-q1-tolerances-reference-voltage-vref-sensitivity-errorFri, 08 May 2026 09:20:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:10c6d57d-b1e7-4e9e-834a-6a1495f4fa63franziskusPart Number: TMCS1100-Q1 Hi, My customer has two questions: ------------------------------------ General transfer function: V_out = I_in * Sensitivity + V_ref 1.Sensitivity error and non-linearity are clear, question is about V_ref: Is V_ref dependent on V_s like this? : V_ref = V_s / 2 Examples: V_s = 5V -&gt; V_ref = 2.5V V_s = 4.9V -&gt; V_ref = 2.45V The following formula for PSRR error suggests that V_ref is independent of V_s: If V_s = 5 -&gt; 0 Do I have to add the PSRR factor onto V_ref? 2.Does sensitivity error contain extnernal magnet field error? If not, can you tell me the gain (magnetic coupling) that was used in the datasheet to calculate the example error for 30 uT environmental magnetic field? ------------------------------------ Best regardsTMCS1100-Q1Aerospace &amp; Defensehttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642652/iwr1443-qspi-power-cycle-needed/6337810Fri, 08 May 2026 08:59:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:5bff2afe-02d1-45bc-bea2-8b553db6ecb4Saransh GautamHey Holger, Thanks for the analysis. We&#39;ll investigate this on our end and address it in an upcoming SDK release if the issue is confirmed. Can you confirm that this issue is for the IWRL1432 board again? The Main Part number in the E2E shows up as IWR1443. Thanks and Regards, Saransh Gautamhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642961/iwrl6432aop-radar-sensor-iwrl6432aop-prescan-tool-or-commands/6337785Fri, 08 May 2026 08:47:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:7b0cc92e-35ca-4373-ad4e-4038b182f065Saransh GautamHello Parv, We are looking into your query. Please allow us some time to respond. Thanks and Regards, Saransh Gautamhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643831/pga460-q1-pga460-q1-continuous-ff-decay-time-issue-with-transformer-drive-method-and-long-range-detection-instabilityFri, 08 May 2026 08:46:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:673f9f75-f284-4c22-8acb-206ce45693d1Lakshay SharmaPart Number: PGA460-Q1 Other Parts Discussed in Thread: PGA460 Ultrasonic Sensor: CUSA-TR80-065-2000-TH68 Transformer: B78416A2232A003 Hello TI Team, I am currently working with the PGA460-Q1 on a custom PCB integrating an ultrasonic transducer and an external controller. The ultrasonic sensor is driven using the transformer drive method. I am configuring the PGA460 through UART commands and would like to clarify a few observations related to frequency diagnostics, decay period measurement, and long-range object detection performance. PGA460 Configuration I initialize the PGA460 using EEPROM write command 0x0C with the following configuration: /* USER_DATA1..20 */ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /* TVGAIN0..6 */ 0xC9, 0xCC, 0xCF, 0x1D, 0xB9, 0x6F, 0xE4, /* INIT_GAIN(dB), FREQUENCY(40kHz), DEADTIME, PULSE_P1, PULSE_P2 */ 0x1B,0x32,0xA0,0x49,0x12, /* CURR_LIM_P1, CURR_LIM_P2(414mA), REC_LENGTH, FREQ_DIAG */ 0x70,0x74,0x39,0x75, /* SAT_FDIAG_TH, FVOLT_DEC, DECPL_TEMP, DSP_SCALE, TEMP_TRIM */ 0xFE,0x78,0x4F,0x00,0x00, /* P1_GAIN_CTRL, P2_GAIN_CTRL */ 0x09,0x09 Frequency Configuration FREQUENCY register = 0x32 Based on the datasheet equation: f = 0.2 &#215; FREQ + 30 kHz Expected burst frequency: ≈ 40 kHz CASE 1 – Frequency Diagnostic and Decay Time Observation Observation at OUTA/OUTB When probing OUTA (Pin 5) and OUTB (Pin 7) using an oscilloscope: Measured burst frequency at transformer input/output: ≈ 40.13 kHz This aligns closely with the expected configured frequency. And as per my observation, I am assuming that the burst + decay cycle is completed within /less than 1ms as can be seen in the oscilloscope output image, but still getting decay period time value FF. System Diagnostic Command (0x08) Example diagnostic response snapshot: 0x40 0x2D 0xFF 0x92 Interpreted as: DIAG = 0x40 FDIAG_VAL = 0x2D Decay Time = 0xFF Using the datasheet equation: f = 1 / (FDIAG_VAL &#215; 500e-09) Calculated frequency: ≈ 44.44 kHz Additional Notes We understand that tuning capacitors in the range of approximately 1 nF – 7 nF are typically recommended. We already tested with: 3 nF 4 nF However, in both cases, the decay period continuously returns: 0xFF Relevant register values currently used: SAT_FDIAG_TH = 0xFE PULSE_P2 = 0x12 (18 pulses) CURR_LIM_P2 = 0x74 FREQ_DIAG = 0x75 CASE 2 – Object Detection Performance Currently, we are evaluating only Preset 2 with: Number of objects = 1 Goal: detect strongest reflected echo (human detection use case) Observed Behavior Human Detection Human target detectable up to approximately: ~330 cm However, measurements become noisy. For distances beyond this range (up to ~5 m), the reported values still remain around: ~330–350 cm instead of indicating no object or larger distance. Solid Object Detection For larger solid objects (cardboard target in our testing): Detection appears more stable Echo data is significantly less noisy Questions What could be causing the continuous 0xFF decay period result in the frequency diagnostic? Are there any recommended register-level configuration changes to resolve this issue? If yes, which parameters should be tuned first? Could this indicate any hardware-side issue? Transformer selection Tuning capacitor Drive strength/current settings Can unresolved issues from CASE 1 directly impact the object detection reliability observed in CASE 2? Is the discrepancy between oscilloscope-measured frequency (~40 kHz) and calculated FDIAG frequency (~44.44 kHz) expected, or does it indicate improper transducer resonance/tuning? Any guidance regarding proper tuning methodology for this sensor + transformer combination would be highly appreciated. Best regards, Lakshay sharmaAdvanced Driver Assistance Systems (ADAS)PGA460PGA460-Q1https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642921/iwrl6432aop-flashing-guide-for-iwrl6432aop---jtag/6337780Fri, 08 May 2026 08:43:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:2399549c-c2e4-4597-9115-9502082018e8Saransh GautamHello Ankit, We are looking into your query. Please allow us some time to respond. Thanks and Regards, Saransh Gautamhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643825/awr2243-2x-cas-evm-inquiry-regarding-awr2243-2x-cas-evm-firmware-boot-mechanism-unconnected-flash-mx25v1635f-functionality-and-awr2243-reprogramming-stepsFri, 08 May 2026 08:42:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:7984d04c-3691-4ef8-8863-7509aa3b5d57heng wangPart Number: AWR2243-2X-CAS-EVM Hello, I would like to inquire about a few questions regarding the AWR2243-2X-CAS-EVM board card. 1. In the schematic diagram, the two 2243 chips on the circuit board do not show any connection to the flash memory. How is the program initiated? Where is the program stored? 2. The schematic diagram shows two flash memory chips, with the GD25Q64CW2G chip indicated as being connected to the 2732 chip. However, no connection lines are marked for the MX25V1635FZUS03 chip. What is the function of the MX25V1635FZUS03 chip? 3. I would like to reprogram the program for the 2243 chip. How should I proceed?AWR2243AWR2243-2X-CAS-EVMhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642462/iwrl6432aopevm-presence-and-motion-and-tracking/6337777Fri, 08 May 2026 08:40:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:8c4c8fa6-f08d-4d68-825f-ee62c196d96dSaransh GautamYes James, you can pull up that .projectspec file in CCS. Thanks and Regards, Saransh Gautamhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643819/tmcs1126-current-sensing-method-selection-for-30-kw-2-phase-interleaved-synchronous-buck-800-1000-v-to-650-vFri, 08 May 2026 08:28:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:46b5d07b-6af0-4b3c-90b3-28f604cfaae2prabhu kPart Number: TMCS1126 Hello TI Team, I am working on a 30 kW DC/DC converter with the following specifications: Topology: 2‑phase interleaved synchronous buck (180&#176; phase shift) Input voltage: 800 VDC to 1000 VDC Output voltage / current: 650 VDC / 46 A Switching frequency: 50 kHz per phase I would like guidance on current sensing configuration for both control loop implementation and over‑current protection (OCP) . Currently, I am considering the following three current sensing options: Current Transformer (CT) Shunt resistor with isolated amplifier(AMC IC) In‑package Hall‑effect current sensor TMCS1126(91A)(embedded in power module) My specific questions are: Which current sensing method is most suitable for this power level and topology, considering: Accuracy for current‑mode or peak/average current control Bandwidth and phase delay impact on loop stability Noise immunity in a high‑dv/dt, high‑di/dt environment Recommended placement of current sensing : Phase current sensing (per phase) Output current sensing Input current sensing For a 2‑phase interleaved design, what is the preferred sensing location to ensure proper current sharing and stable control? Over‑current protection strategy : Which sensing method is better suited for fast cycle‑by‑cycle protection? Is it recommended to use separate sensing paths for control and protection? Any TI reference designs, application notes, or controller ICs that demonstrate best practices for current sensing in high‑power (20–30 kW) interleaved DC/DC converters would be very helpful. Thanks in advance for your support and guidance.TMCS1126https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1641769/iwr6843-people-occupancy/6337763Fri, 08 May 2026 08:26:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:38c2693a-fd8e-4939-887e-1fd3b4cc682fAntony Jerocin Raja MThanks David. We need Low cost and good accuracy radar devices for people detection and counting. We do not have any other major constraints. Regards, Antony.https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643814/awrl1432-awrl1432-detection-range-horizontal-elevation-fov-and-supported-applicationsFri, 08 May 2026 08:22:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:736b7663-e81a-4b41-ab04-7ce9314ebd30mitesh rajpurohitPart Number: AWRL1432 Hello TI Team, I am evaluating the AWRL1432 radar sensor for automotive short-range radar applications and would like to understand its practical RF performance and supported use cases in more detail. Could you please help clarify the following points: What is the typical and maximum achievable detection range for the AWRL1432 in: What are the typical: Horizontal Field of View (Azimuth FOV) Elevation Field of View Is there any official TI documentation/reference design available showing: Range performance Detection heatmaps Antenna radiation pattern Angular resolution FOV plots Which TI reference applications are officially supported for AWRL1432? Are there any demo projects or Radar Toolbox examples available ? Thanks and regards, Mitesh SinghAWRL1432https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643299/pga460-pga460-with-stm32-and-200khz-transducer-configuration-optimization-for-1-100-cm-range/6337737Fri, 08 May 2026 08:00:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:21093bb6-26ef-48d1-b3d4-97abefe33043&#214;zg&#252;n TURALHi Eddie. We&#39;re developing a transformer-controlled driver using a PGA460. You can see our hardware schematic in the image. Could you please share the changes we need to make to achieve an active measurement range of 2-100 cm? We&#39;d also like to request an online meeting to discuss this in more detail.https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643767/iwrl6432aop-lens-for-the-device-iwrl6432aopFri, 08 May 2026 06:31:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:be95aa3f-4e9d-4509-8320-34defae3f181Mahalakshmi IyaduraiPart Number: IWRL6432AOP We need to have a lens to reduce beamwidth and increase gain for the devie IWRL6432AOP, How we have to mount the lens on the device, We have a circular PCB holding the device on topside, Please share the fixing and mounting guidelines for the lens, Whether small form factor lens is available fon fixing on top with base dia for the lens around 25/30 mm. Thank you.IWRL6432AOPhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1642570/awr2944evm-a-compiled-version-of-sbl_uart_uniflash-release-tiimage-doesn-t-work/6337432Fri, 08 May 2026 04:15:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:8c78388c-a5f3-4a37-9ede-b096213d444aAnanya K CHello Arie, Thank you for the reply. I will try to replicate this and get back to you with an update on Tuesday. Regards, Ananya K Chttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1634752/tdc7200-measuring-longer-time-interval-with-tdc7200/6337413Fri, 08 May 2026 03:59:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:a1b0b0d7-55bf-4325-99fc-0f3c5f0f6ca1Ram Sundar MHi Alicia, Thanks for confirming that.https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1634752/tdc7200-measuring-longer-time-interval-with-tdc7200/6337308Fri, 08 May 2026 01:45:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:df5eac2e-9e8a-47bf-983e-055d3bc77301Alicia RosenbergerHi Ram, Apologies for the extremely long delay. To conclude on this use case, unfortunately, there is not a way to extend the TOF to beyond the maximum 65ms range without using multiple start/stop pulses. Best, ~Aliciahttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1636241/tmp6-thermistor-design-the-rbias-resistor-of-the-tmp6-thermistor-cannot-be-changed-in-the-thermistor-design-tool/6337282Fri, 08 May 2026 01:30:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:1885fec1-6c49-49e4-b56c-0e2f69bd1a20Suning LiHi Alex， OK, if use 5V as pull up voltage, and use 10K bias resistor to perform the test, that&#39;s will same with my design. That&#39;s the best. Thanks, waiting for the result.https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1641387/awr2243-2x-cas-evm-how-to-flash2243-firmware/6337276Fri, 08 May 2026 01:23:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:c4e895e9-ce6a-42de-bf28-13edd6387fb9wu qiangHi 1.What demo should I refer to? mmWaveLink_Cascade_Example or other demo?I notice mmWaveLink_Cascade_Example is used in TDA2x,my EVM is AWR2243-2X-CAS-EVM,I can&#39;t run any demo. 2.mmwave_2_chip_cascade demo in toolbox seems not include function of transferr firmware through SPI?https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1641693/lmp91300-request-for-lmp91300swifevm-msp430-firmware-and-gui/6337232Fri, 08 May 2026 00:22:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:f68a5798-f189-458c-b73f-bf886ada9075Yo Seph YuDear Chase, Thank you for the clarification. I understand that the GUI is no longer supported and that no replacement tool is available. However, we are currently trying to recreate the original legacy environment in order to get the GUI functioning again. At this point, we have successfully: Started the local Jetty server Accessed the localhost page through a legacy browser Loaded the SensorAFE.swf file up to the “Downloading... 100%” stage However, the GUI does not render beyond that point. Could you please provide any information regarding the original environment used for this GUI? Specifically: Recommended Windows OS version (Was it originally verified on Windows 7?) Required Internet Explorer version Required Adobe Flash Player version Required Java version (JRE/JDK) Whether Adobe AIR or any additional frameworks/components were required Also, in a properly configured environment, is the GUI expected to continue loading automatically after the “Downloading... 100%” stage? Or does the GUI perform any hardware handshake/device verification at that point which could block the rendering process? We are currently trying to determine whether this is purely a software compatibility issue or if additional legacy components/configuration are required. Best regards, Yoseph Yuhttps://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/1643301/pga970-pga970-evm-board-purchase-information/6337221Thu, 07 May 2026 23:57:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:aef04c7a-5f49-446c-ace2-c26bf1f1f5faDahun JeongHi Bryan I have replied to this via email; please refer to the details below. First of all, I do not currently have any ongoing projects. However, if I were to proceed with a new project, it is highly likely that I would be working on a controller that processes sensor signals. Regarding the PGA970, I learned about it while searching for a replacement component because the Analog Devices AD598SD/883B IC, which I previously used for LVDT sensor signal processing, has been discontinued. Since this is my first time using this component, I requested an EVM board to learn how to use it. Thanks, Dahun