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<?xml-stylesheet type="text/xsl" href="https://devzone.nordicsemi.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/" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/f/nordic-q-a/85269/spike-current-on-advertise-when-dcdc-enable</link><description>I added DCDC-enable to ble_app_beacon and measured the current consumption. As shown in the figure, spike current is generated during advertisement transmission. what is the reason?</description><dc:language>en-US</dc:language><generator>Telligent Community 13</generator><lastBuildDate>Wed, 02 Mar 2022 00:37:37 GMT</lastBuildDate><atom:link rel="self" type="application/rss+xml" href="https://devzone.nordicsemi.com/f/nordic-q-a/85269/spike-current-on-advertise-when-dcdc-enable" /><item><title>RE: spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/thread/355669?ContentTypeID=1</link><pubDate>Wed, 02 Mar 2022 00:37:37 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:c134d12e-b370-4d83-acd5-a969125b42b9</guid><dc:creator>loquat</dc:creator><description>&lt;p&gt;&lt;span class="VIiyi" lang="en"&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;Was self resolved.&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b"&gt;&lt;span&gt; &lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;Use &amp;quot;spike filter&amp;quot;.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;Thank you.&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/thread/355617?ContentTypeID=1</link><pubDate>Tue, 01 Mar 2022 15:10:40 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:4848d990-e0db-41a6-a977-03b578f03c3d</guid><dc:creator>loquat</dc:creator><description>&lt;p&gt;Thanks.&lt;/p&gt;
&lt;p&gt;&lt;span class="VIiyi" lang="en"&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;Is there a way to tell if the spike is the true current value or not?&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span class="VIiyi" lang="en"&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;And,&lt;br /&gt;Why doesn&amp;#39;t this spike occur in LDO mode?&lt;br /&gt;Follow is the current consumption of the LDO. &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;span class="VIiyi" lang="en"&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;&lt;img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/current2.jpg" alt=" " /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/thread/355592?ContentTypeID=1</link><pubDate>Tue, 01 Mar 2022 14:29:51 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:451a369e-647b-4b73-b347-910fbff8e6cd</guid><dc:creator>Priyanka</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;These spikes are caused due to the range switching of the measurement resistor which happens in the PPK2 when sudden increase in current happens.&lt;/p&gt;
&lt;p&gt;This peak is not depicting the actual current consumption. So when a sudden current hike occurs, the resistors switch&amp;nbsp;to a higher ampere range and thus you get these spikes. The average current remains the same and the portion after the spikes show the actual current and you don&amp;#39;t have to worry about these spikes.&lt;/p&gt;
&lt;p&gt;Regards,&lt;/p&gt;
&lt;p&gt;Priyanka&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/thread/355465?ContentTypeID=1</link><pubDate>Tue, 01 Mar 2022 09:21:32 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:872489d5-db6c-4322-986f-bb2b97992847</guid><dc:creator>loquat</dc:creator><description>&lt;p&gt;&lt;span class="VIiyi" lang="en"&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;No.&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b"&gt;&lt;span&gt; &lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;Added a red frame to the figure.&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b"&gt;&lt;span&gt; &lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;span class="JLqJ4b ChMk0b"&gt;&lt;span&gt;This is the first spike in the advertisement.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item><item><title>RE: spike current on advertise when DCDC enable.</title><link>https://devzone.nordicsemi.com/thread/355464?ContentTypeID=1</link><pubDate>Tue, 01 Mar 2022 09:19:25 GMT</pubDate><guid isPermaLink="false">137ad170-7792-4731-bb38-c0d22fbe4515:9d07ab20-2364-430f-ac9e-de9afa433e03</guid><dc:creator>Priyanka</dc:creator><description>&lt;p&gt;Hi,&lt;/p&gt;
&lt;p&gt;Could you try referring &lt;a href="https://devzone.nordicsemi.com/f/nordic-q-a/14210/current-spikes-when-dcdc-is-on"&gt;this ticket&lt;/a&gt;?&lt;/p&gt;
&lt;p&gt;Regards,&lt;/p&gt;
&lt;p&gt;Priyanka&lt;/p&gt;&lt;div style="clear:both;"&gt;&lt;/div&gt;</description></item></channel></rss>