https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/<p style="display:none;">blank</p>en-USTelligent Community 13https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1691806/cc2652r7-cc2652r7-one-chip-draws-20-a-extra-in-standby-follows-the-chip-when-swapped-between-boards/6518715Thu, 22 Oct 2026 15:51:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:ef51567c-2cf7-4946-8eb4-13051869f1f5JanHi, Thank you for reaching out! Let me loop in a relevant expert to assist. Best Regards, Janhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1691806/cc2652r7-cc2652r7-one-chip-draws-20-a-extra-in-standby-follows-the-chip-when-swapped-between-boardsThu, 22 Oct 2026 08:45:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:ecc9e6eb-7be8-45c3-b3e3-d0afb18f8d6cRafal WisniowskiPart Number: CC2652R7 Other Parts Discussed in Thread: Z-STACK , One CC2652R7 on our battery-powered Zigbee end device (Z-Stack, SimpleLink SDK 8.30.01.01, TI-RTOS7) has a constant extra current of about 20 &#181;A in standby. A second device running the same firmware behaves normally. Measurements (3.0 V supply, 10 kS/s, 10-minute capture): Device A (normal) - standby baseline - 0.2–0.4 &#181;A, average when joined - 2.5uA Device B (high) - standby baseline - 20-21 &#181;A, average when joined - 23.6uA - The offset is constant in every state: off-network, during pairing and joined. Device B never drops below about 16 &#181;A. - Active behaviour is the same on both: boot current, polls, and pairing timing and peaks. What we&#39;ve ruled out: - The board: we swapped the MCUs between the two boards, and the high current followed the chip. - The firmware: both chips were mass-erased and flashed with the same image. Read-back dumps show the application and CCFG are byte-identical; NV differs only in device identity and keys. - Silicon revision and factory trims: FCFG1 shows the same ICEPICK ID (0x1BB7702F), FCFG1_REVISION (0x29), USER_ID and lot. VDDR, DCDC and LDO trims are identical. Only the normal per-die calibration values differ (e.g. MISC_TRIM recharge comparator offset 0x18 vs 0x0C, ANA2_TRIM NANOAMP_RES 0x2F vs 0x2A). Device B die ID: 1e410040000000000022ab4fa8c00d68 (IEEE 00:12:4B:00:39:45:ED:F3) Questions: 1. Is a constant ~20 &#181;A standby offset on one die a known failure signature, e.g. ESD damage to an IO pad? Or could it be explained by its trim values? 2. What tests do you recommend to locate the leak (shutdown mode, specific pins or regulator settings)? I can attach the current captures and FCFG1 dumps. Thanks!Z-StackCC2652R7https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689774/cc2340r5-how-to-get-the-information-in-coordinator-s-trust-join-record-table-in-zboss-of-sdk-9-21/6517785Wed, 21 Oct 2026 22:01:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:ccaa1cc6-e7ff-47fd-9acf-a9762d4f725bGing GonzalezHi Aries, ZBOSS does not expose a way to access this directly. However, what you could do is create a similar table at the application level instead. In the `zboss_signal_handler()`, you can access the device information as they join/leave the network: void zboss_signal_handler(zb_uint8_t param) { ... case ZB_ZDO_SIGNAL_DEVICE_AUTHORIZED: { zb_zdo_signal_device_authorized_params_t *p = ZB_ZDO_SIGNAL_GET_PARAMS(sg_p, zb_zdo_signal_device_authorized_params_t); if (p-&gt;authorization_status == ZB_ZDO_TCLK_AUTHORIZATION_SUCCESS) { Log_printf(LogModule_Zigbee_App, Log_INFO, &quot;Device authorized: short=0x%04X&quot;, p-&gt;short_addr); } break; } case ZB_ZDO_SIGNAL_DEVICE_UPDATE: { zb_zdo_signal_device_update_params_t *p = ZB_ZDO_SIGNAL_GET_PARAMS(sg_p, zb_zdo_signal_device_update_params_t); if (p-&gt;status == ZB_DEVICE_LEFT) { Log_printf(LogModule_Zigbee_App, Log_INFO, &quot;Device left: short=0x%04X&quot;, p-&gt;short_addr); } break; } ... } Regards, Ginghttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689815/cc2340r5-cc2340r5-zboss-can-only-send-16-broadcast-in-9-second/6517362Wed, 21 Oct 2026 15:58:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:e578b8f9-1d48-4b70-9c86-13089285419dGing GonzalezAries, Thanks for trying that out. Let me look more into it and check the library code. Could you tell us what is your use case that needs increased BTR Table Size? I only ask because other customers have been able to go to production with the default value. Thanks! Regards, Ginghttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689815/cc2340r5-cc2340r5-zboss-can-only-send-16-broadcast-in-9-second/6516532Wed, 21 Oct 2026 02:45:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:2daa5c2e-6305-4e96-bb08-c61bac7cbfa3Aries Lordchange the value of ZB_NWK_BTR_TABLE_SIZE is not working, the broadcast buffer is fixed in lib.https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689815/cc2340r5-cc2340r5-zboss-can-only-send-16-broadcast-in-9-second/6516110Tue, 20 Oct 2026 18:14:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:ad15c3e2-7535-4e5f-99d9-e255cb3345f7Ging GonzalezAries, The &quot;zb_config_common.h&quot; file has the following defines. It seems like the setting that you are looking for: #ifndef ZB_NWK_BTR_TABLE_SIZE #define ZB_NWK_BTR_TABLE_SIZE 16U #endif #define ZB_NWK_EXPIRY_BROADCAST 9U Could you try this setting? You should be able to override the &quot;ZB_NWK_BTR_TABLE_SIZE&quot; define. In CCS, you can do the following: Right Click on the Project &gt; Project Properties &gt; Build &gt; Arm Compiler &gt; Predefined Symbols &gt; Add ZB_NWK_BTR_TABLE_SIZE=32 Regards, Ginghttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1691085/cc2530-request-for-cc2530-zigbee-module-schematic-review-and-fee-quotationTue, 20 Oct 2026 10:15:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:debbae58-5232-451d-bf4d-f4c46e64e130RAMJI VEDUYAPPANPart Number: CC2530 We are designing an IoT Gateway that includes the CC2530 Zigbee module, which we are planning to interface via SPI. We would like to have our schematics reviewed to verify the interface connections and overall design. Kindly review our schematics and share your feedback and recommendations. vihaan1_iot_gateway_zigbee.pdfCC2530Wireless Infrastructurehttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1690337/cc2340r5-cc2340r5-and-low-power-using-zboss-and-nortos-rtos/6513755Fri, 16 Oct 2026 21:28:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:e96f0458-2a1c-495d-be5c-1542776da822Flemming ChristensenHi Alex, thank you for looking into this by making a real measurement. Really appriciated!!! Best regards Flemminghttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1690337/cc2340r5-cc2340r5-and-low-power-using-zboss-and-nortos-rtos/6513707Fri, 16 Oct 2026 20:31:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:5e4dfab3-9334-4b68-8551-e51d3be7a60eAlex FagerHello Flemming, I tried the onoff_switch NORTOS (connected to the onoff_light CC2340R53) on the CC2340R5 today, out of box it does low power and can be configured to give good battery life. So yes both FreeRTOS and NORTOS can do low power*. Thanks, Alex Fhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689815/cc2340r5-cc2340r5-zboss-can-only-send-16-broadcast-in-9-second/6513650Fri, 16 Oct 2026 19:09:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:59bfa736-e848-410a-b66d-1bf71936e836JanHi, Thank you for reaching out. Let me assign an expert to support this question. Best Regards, Janhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689774/cc2340r5-how-to-get-the-information-in-coordinator-s-trust-join-record-table-in-zboss-of-sdk-9-21/6513649Fri, 16 Oct 2026 19:09:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:1efdbfe7-67f9-4a98-a927-4e9635c66258JanHi, Thank you for reaching out. Let me assign an expert to support this question. Best Regards, Janhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1690337/cc2340r5-cc2340r5-and-low-power-using-zboss-and-nortos-rtos/6513648Fri, 16 Oct 2026 19:09:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:b9aaaaaf-fc87-4b21-af41-d664ce3f3bdaJanHi Flemming, Thank you for reaching out. An assigned expert will reach out shortly. Best Regards, Janhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1680390/cc2674p10-cc2674p10-zdsecmgr_tc_device_max-upper-limit/6513429Fri, 16 Oct 2026 16:02:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:9f84ed7e-2a59-4af9-a83b-7b15bd5396f3Alex FagerHello jun cao, Thank you for your confirmation. Thanks, Alex Fhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1690337/cc2340r5-cc2340r5-and-low-power-using-zboss-and-nortos-rtosFri, 16 Oct 2026 11:52:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:77671228-26da-4d8f-9cdf-052af49f51faFlemming ChristensenPart Number: CC2340R5 I have a question about power consumption using CC2340R5 and Simplelink_lowpower_f3_sdk_9_23_00_27. I will be using it for simple battery powered Zigbee devices and will need them to enter sleep mode. In the examples the are two different types - NoRTOS and RTOS. My question is, will both types be able to reach low power modes? The reson I ask is becuse low power mode are mentioned only for RTOS in the documentation. Br FlemmingCC2340R5Connected peripherals &amp; printershttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1680390/cc2674p10-cc2674p10-zdsecmgr_tc_device_max-upper-limit/6512856Fri, 16 Oct 2026 06:45:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:2aa50502-faf6-4f8e-ab4d-ba820e5ba73fjun caoHi Alex Fager ： The issue has been resolved; I can now add 198 Zigbee devices. This support ticket can be closed.https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1687965/cc2340r5-zboss-in-simplelink_lowpower_f3_sdk_9_21_00_36_lts-can-t-support-fragment-send/6512478Thu, 15 Oct 2026 21:20:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:b9bdc25c-378e-4681-8a9b-9865c1f02a78Alex FagerHello Aries Lord, I asked RnD for feedback here in regard to sending larger APS payloads (&lt;120 bytes), pending on their feedback. Thanks, Alex Fhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1680390/cc2674p10-cc2674p10-zdsecmgr_tc_device_max-upper-limit/6512205Thu, 15 Oct 2026 16:24:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:963a1006-1852-4731-9302-1d67da0fccefAlex FagerHello jun cao, Thank you for you update, I will wait on your results! Thanks, Alex Fhttps://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689815/cc2340r5-cc2340r5-zboss-can-only-send-16-broadcast-in-9-secondThu, 15 Oct 2026 06:59:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:73531a96-a6dd-448d-95c3-731db4b05fcfAries LordPart Number: CC2340R5 How to make zigbee Broadcast Buffer larger in ZBOSS in SDK 9.21CC2340R5https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1680390/cc2674p10-cc2674p10-zdsecmgr_tc_device_max-upper-limit/6511564Thu, 15 Oct 2026 06:41:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:758ad070-88ce-4ea3-aaa6-9ada37761360jun caoHi Alex Fager : Thank you for your reply. I have modified the ZNP project based on your configuration, and it now compiles successfully. Next, I will test the upper limits of the Zigbee network and will post any further updates here.https://e2e.ti.com/support/wireless-connectivity/zigbee-thread-group/zigbee-and-thread/f/zigbee-thread-forum/1689774/cc2340r5-how-to-get-the-information-in-coordinator-s-trust-join-record-table-in-zboss-of-sdk-9-21Thu, 15 Oct 2026 03:17:00 GMTcb01d8b2-d089-468d-babb-77d1d8683490:5541f1a5-e5c5-4f5a-8586-e671b66461d0Aries LordPart Number: CC2340R5 I want access the trust-join record table ZBOSS of SDK 9.21, my MCU is CC2340R5.CC2340R5