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<?xml-stylesheet type="text/xsl" href="https://e2e.ti.com/cfs-file/__key/system/syndication/rss.xsl" media="screen"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" xmlns:wfw="http://wellformedweb.org/CommentAPI/"><channel><title>Power management</title><link>https://e2e.ti.com/support/power-management-group/power-management/</link><description>&lt;p style="display:none;"&gt;blank&lt;/p&gt;</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><item><title>Forum Post: RE: TLV1117: TLV1117 heating issue</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655189/tlv1117-tlv1117-heating-issue/6383109</link><pubDate>Mon, 15 Jun 2026 17:53:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:b1edecff-a7fe-445d-a62d-373d5259ff42</guid><dc:creator>Vahnroy Hosear</dc:creator><description>Hey Kevin, In order to better assist you, can you please provide the following information. 1. Which package are utilizing 2. System ambient temperature 3. How are you measuring device temperature.; Thanks, Vahnroy</description></item><item><title>Forum Post: RE: LM317M: Legacy vs new chip specification</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1654991/lm317m-legacy-vs-new-chip-specification/6383101</link><pubDate>Mon, 15 Jun 2026 17:49:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:dd0efc6b-fbaa-4617-8afb-8a4e0b480fac</guid><dc:creator>Vahnroy Hosear</dc:creator><description>Hey Rajesh, 1.LM317MDCYRM3 2. Let me look into finding the OPN for this device. Please allow 1-2 business days for an update. Thanks, Vahnroy</description></item><item><title>Forum Post: RE: REF34: REF34 Disabled Output</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655094/ref34-ref34-disabled-output/6383090</link><pubDate>Mon, 15 Jun 2026 17:39:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:ba66706f-caca-482b-a7da-ecb3b0c72655</guid><dc:creator>Andrew Li</dc:creator><description>Hi Bill, Thanks for your question! The REF34 comes with an enable pin which can be used to enable/disable the device. This should allow you to have the output connected but disabled as desired. You can see the enable pin at pin 3 in the pinout below: Best Regards, Andrew Li</description></item><item><title>Forum Post: RE: TPS388C0-Q1: TPS388C0-Q1 When the watchdog is not enabled by default, its output remains at a low level</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655195/tps388c0-q1-tps388c0-q1-when-the-watchdog-is-not-enabled-by-default-its-output-remains-at-a-low-level/6383081</link><pubDate>Mon, 15 Jun 2026 17:33:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:b90d178a-b068-468a-9379-410d2d2c0e63</guid><dc:creator>Andrew Li</dc:creator><description>Hi Vayne, Thanks for your question! I understood that even with WDE = LOW on bootup, you are seeing WDO = LOW. The expected WDO with WDE = LOW is HIGH. Is my understanding of the problem correct? Could you please send me a scope shot of the bootup behavior for VDD, WDE, WDI, and WDO? Please ensure that the WDE pin sees a signal below 0.36V to designate LOW as shown in the screenshot below: Best Regards, Andrew Li</description></item><item><title>Forum Post: RE: UCD3138128A: UCD3138128 Fusion Digital Power Studio "thrown by the target of an invocation" error</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1653366/ucd3138128a-ucd3138128-fusion-digital-power-studio-thrown-by-the-target-of-an-invocation-error/6383071</link><pubDate>Mon, 15 Jun 2026 17:20:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:d08cafd7-2019-4253-ba1f-9926037f4ec5</guid><dc:creator>Bill Burdette</dc:creator><description>Hello: The version of Fusion Digital Power Studio is 3.0.77. I can send a screen shot of the error later this afternoon. I appreciate the support.</description></item><item><title>Forum Post: RE: TPS26750: TPS26750 not writing bq25756's VFB_REG</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1652806/tps26750-tps26750-not-writing-bq25756-s-vfb_reg/6383067</link><pubDate>Mon, 15 Jun 2026 17:16:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:0022a066-3910-4f5f-9307-5095b5f49901</guid><dc:creator>Dan Rochat</dc:creator><description>I see the same now. Looks like that works. Thanks. The json file you provided still shows: &amp;quot;questionnaire&amp;quot; : { &amp;quot;device&amp;quot; : &amp;quot;TPS26750&amp;quot; , &amp;quot;toolBuildVersion&amp;quot; : &amp;quot;2.0.0&amp;quot; , Will TI be updating the USBCPD Application Customization Tool? Not clear what change you implemented and where. Want to be sure I can build correct images from scratch with published tools. Thanks, Dan</description></item><item><title>Forum Post: RE: MSP430F67791A: Energy Metering IC Selection for Wide-Frequency (50–500 Hz) AC Systems</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1653930/msp430f67791a-energy-metering-ic-selection-for-wide-frequency-50-500-hz-ac-systems/6383066</link><pubDate>Mon, 15 Jun 2026 17:14:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:e22c2fbd-5330-48b5-ada8-d5a821d3be0f</guid><dc:creator>Luke Ledbetter</dc:creator><description>Hi Prit, The 31st harmonic for the 500Hz signal will require ~31ksps sampling (2*31*500Hz). The Sigma Delta ADC on the MSP430F677x typically wants 256 over sampling which will equate to ~4ksps. If you require more data points in your FFT then you&amp;#39;re also going to require faster sampling speed. Then all this data needs to get processed. I recommend defining your system parameters (Max fundamental frequency, number of datapoints, harmonic target) then find what ADC sampling speed would be required and then what CPU speed will be required to calculate all the data within a cycle. I don&amp;#39;t believe the MSP430 will have enough for what you want, but we do have other devices at TI which can work as a system solution. ADS131M02 (ADS131M08 for 3-phase, it can only go to 32ksps though) + MSPM33C321A is a potential ADC + MCU solution. Regards, Luke</description></item><item><title>Forum Post: RE: LM654B0-Q1: LM654B0VDARQ1 availability</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655315/lm654b0-q1-lm654b0vdarq1-availability/6383049</link><pubDate>Mon, 15 Jun 2026 17:03:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:9b541707-4ed1-4fbf-bfa1-a9cff870ff6a</guid><dc:creator>Oscar Ambriz</dc:creator><description>Hello Eli, The LM654B0-Q1 device is currently preproduction and is expected to fully release this year. Currently we are sampling to customers on a case by case basis. I recommend working with you technical sales representative or i can put you in contact with our marketing time to assess your sampling needs. Regards, Oscar Ambriz</description></item><item><title>Forum Post: RE: TPS92662A-Q1: Following up on the previous request regarding the detailed datasheet for the TPS92662A-Q1, the customer is willing to sign an NDA. Could you please provide the</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655167/tps92662a-q1-following-up-on-the-previous-request-regarding-the-detailed-datasheet-for-the-tps92662a-q1-the-customer-is-willing-to-sign-an-nda-could-you-please-provide-the/6383038</link><pubDate>Mon, 15 Jun 2026 16:57:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:5459744b-d9a6-4a0a-8a61-e60e09879653</guid><dc:creator>Jaron Wilson</dc:creator><description>Hi Aska, Please contact the NDA team at the email below to request an NDA sc_contractadmin@list.ti.com Thanks, Jaron</description></item><item><title>Forum Post: RE: TPS25947: Recommended SR on USB Type-C (5V/3A)</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1651856/tps25947-recommended-sr-on-usb-type-c-5v-3a/6383034</link><pubDate>Mon, 15 Jun 2026 16:56:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:451ee41f-c2e8-47f4-a5c0-23bf3b09f801</guid><dc:creator>Hideki Hayashi1</dc:creator><description>Hi Kumar, Can you please follow-up this inquiry? Regards, Hayashi</description></item><item><title>Forum Post: RE: TPS65988: TPS65988 sink chooses 15 V even though source advertises fixed 20 V / 5 A</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1652943/tps65988-tps65988-sink-chooses-15-v-even-though-source-advertises-fixed-20-v-5-a/6383033</link><pubDate>Mon, 15 Jun 2026 16:56:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:57f61f65-e737-4bbd-a307-5342b550fdb7</guid><dc:creator>Jason Le</dc:creator><description>Thanks for parsing the .sqlite data! I was just using a simple text viewer and didn&amp;#39;t realize it captured all of the data. Yes this data is exactly what I needed. I&amp;#39;m looking thru it now and will add more updates when I get thru everything and potentially try to recreate your issue again.</description></item><item><title>Forum Post: RE: BQ25157: How to enable regulated PMID?</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655081/bq25157-how-to-enable-regulated-pmid/6383026</link><pubDate>Mon, 15 Jun 2026 16:53:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:046b2c84-fca5-4b3b-bd04-58ca14c21c01</guid><dc:creator>Josel Go</dc:creator><description>Hi Ibraheem, Ok, thanks, I understand now that there&amp;#39;s no boost on the VBAT to PMID path. However, when I have VIN = 5V plugged in, I see 5V on PMID, rather than 4.2V (or whatever I have set in the VBAT_REG register). This is with the default PMID_MODE of 00. If I change it to 01 to use VBAT only, then PMID drops to whatever the VBAT level is (in this instance, 3.4V). Is there a register that actually turns on the regulated PMID mode where if I have VIN=5V, I would see a regulated (say 4.2V) on PMID? Regards, Josel</description></item><item><title>Forum Post: TPS25772-Q1: Its been a month since I've requested the firmware</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655533/tps25772-q1-its-been-a-month-since-i-ve-requested-the-firmware</link><pubDate>Mon, 15 Jun 2026 16:41:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:a96a4b67-c467-45bf-899f-ca09ba0d8590</guid><dc:creator>Roman Lubachersky</dc:creator><description>Part Number: TPS25772-Q1 Can someone please send me the firmware to operate this EVM?</description><category domain="https://e2e.ti.com/support/power-management-group/power-management/tags/Infotainment%2b_2600_amp_3B00_%2bCluster">Infotainment &amp;amp; Cluster</category><category domain="https://e2e.ti.com/support/power-management-group/power-management/tags/TPS25772_2D00_Q1">TPS25772-Q1</category></item><item><title>Forum Post: RE: TPS92542-Q1: The compatibility issue about TPS92542 &amp; TPS92662 &amp;TPS92664</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1654396/tps92542-q1-the-compatibility-issue-about-tps92542-tps92662-tps92664/6383006</link><pubDate>Mon, 15 Jun 2026 16:39:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:95e02678-00c8-473e-981d-b6de2b6761ae</guid><dc:creator>fhoude</dc:creator><description>Just sent my reply.</description></item><item><title>Forum Post: TPS25730: TPS25730DREFR - PPHV Not Enabled During Slow Cable Insertion</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655531/tps25730-tps25730drefr---pphv-not-enabled-during-slow-cable-insertion</link><pubDate>Mon, 15 Jun 2026 16:38:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:bd3ce33d-94f3-44c8-81a3-ed4a233e00f8</guid><dc:creator>Kunal Barot</dc:creator><description>Part Number: TPS25730 Hi TI Team, We are using the TPS25730DREFR in a sink application and have observed an issue related to cable insertion timing. Issue Description: When a USB Type-A to USB Type-C cable is inserted slowly into our device, the TPS25730 does not enable the PPHV output. However, with fast insertion, the system operates correctly. Observations: VBUS remains at 5V during the failure condition. LDO_3.3 remanin is 3.3V and LDO_1.5 remain at 1.5 during failed condition too. FAULT pin remains High (no fault indication). Data burst seen on CC line. (even though there will no PD negotioation) While Slow insertion , PPHV becomes to 5V and fall back to 0V in 200mS. Disconnecting and reconnecting the cable in Fast way restores normal operation and PPHV comes up to 5V. Disconnecting and reconnecting the cable from Laptop End normal operation and PPHV comes up to 5V. To debug we have isolate the load on PPHV line fully but still same issue. Based on our observations, it appears that the TPS25730 detects cable attachment and initially enables the power path, but subsequently disables PPHV during the slow insertion sequence. Could you please advise: Whether this behavior is expected when VBUS is present before CC detection during slow insertion. If there are any known attach-state or startup timing limitations for TPS25730 in this scenario. Whether additional configuration or hardware recommendations are available to prevent this behavior. ADCIN1 Divider (100K||1.6k), ADCIN2 divider (100K||22K), ADCIN3 Devider (100K||1.6K),ADCIN100K||100K). No Pull down Resistor (5.1K) on CC line install. only have 330pF cap with protection TVS. Thanks &amp;amp; Regards, KB</description><category domain="https://e2e.ti.com/support/power-management-group/power-management/tags/power%2bdelivery">power delivery</category><category domain="https://e2e.ti.com/support/power-management-group/power-management/tags/TPS25730">TPS25730</category></item><item><title>Forum Post: RE: LM25139-Q1: 10/7.5V 10A Supply with LM25139QRGTRQ1</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655130/lm25139-q1-10-7-5v-10a-supply-with-lm25139qrgtrq1/6383005</link><pubDate>Mon, 15 Jun 2026 16:36:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:cd162b57-f7c1-4e4b-9155-ba746387e840</guid><dc:creator>Frank De Stasi</dc:creator><description>Hello The LM5192 will be released in Q3. Thanks</description></item><item><title>Forum Post: RE: BQ25820: BQQ25820 is getting burnt up during high-load test</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1654232/bq25820-bqq25820-is-getting-burnt-up-during-high-load-test/6383002</link><pubDate>Mon, 15 Jun 2026 16:35:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:70b0b1f4-a085-4eb3-b6a3-c782471b41b0</guid><dc:creator>Tung Nguyen</dc:creator><description>Christian, Yes I&amp;#39;m still experiencing this failure even changing the cap values. That&amp;#39;s why I created this support ticket to get more technical help. Best Regards, Tung.</description></item><item><title>Forum Post: RE: TPSM33625: Freq. Setting`</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655215/tpsm33625-freq-setting/6383000</link><pubDate>Mon, 15 Jun 2026 16:34:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:7c3425de-e617-4fc3-8627-a5d4251385dc</guid><dc:creator>Hardit Singh</dc:creator><description>Hello Brian, There are multiple OPNs for the device as shown in table 4, which outlines the capabilities to adjust Vout and Fsw. Please double check that the correct version of the device is selected in webench. Can you also confirm which datasheet you are referencing? I see the tables you attached under different figure numbers than you have linked. In order to select the correct switching frequency, a resistor is used on the RT pin to GND. Equation 9 or table 7.6 can be used to determine the RT resistor size. I would recommend starting with the values given in table 7-1 to select Fsw and Cout required for each rail. Regards, Hardit Singh</description></item><item><title>Forum Post: RE: TPS25830A-Q1: Power Dissipation Calculation</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1655473/tps25830a-q1-power-dissipation-calculation/6382998</link><pubDate>Mon, 15 Jun 2026 16:31:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:ea554fb1-9712-40cf-9a1c-3e3e07f66272</guid><dc:creator>Eric Hartigan</dc:creator><description>Hello, Make sure you are using the correct efficiency plot based on your inductor and fSW. It should be either Figure 11-4 or 11-5. You may also want to assume a higher VOUT at 3A load condition (and thus higher POUT) if you are using cable droop compensation. Otherwise, yes, your calculation appears correct. Regards, Eric</description></item><item><title>Forum Post: RE: UCD9081: device get stuck in certain scenario</title><link>https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1631953/ucd9081-device-get-stuck-in-certain-scenario/6382992</link><pubDate>Mon, 15 Jun 2026 16:29:00 GMT</pubDate><guid isPermaLink="false">cb01d8b2-d089-468d-babb-77d1d8683490:cb440201-8f2f-41ce-b5f4-c6c28c1bb689</guid><dc:creator>Anne Ngo77</dc:creator><description>Hi, Itzik, Based on the configuration file you sent, when R8 has fault, R8 is shut down, then R1 (not R4 to R8) will be shut down for being slave of R8. Then R2 -&amp;gt; R3 -&amp;gt; R4 and R6 -&amp;gt; R5 will be shut down in that order. After all rails, except R7 shutting down, then re-sequence will occur. However, R1 is set to &amp;quot;Retry continuously&amp;quot; =&amp;gt; other rails might not be shut down properly. =&amp;gt; Try changing R1 to Shutdown with a finite number of retries instead of &amp;quot;retry continuously&amp;quot;. Measure voltage on R1, make sure voltage drop to UV limit (0.0809V) or below to trigger other rails to shut down. Regards Anne Ngo</description></item></channel></rss>