MCP73831 for charging cylindrical lipo (joaquin89)
Hello, I would like to know if I can use the mcp73831 to charge a cylindrical lipo of 2400 maH, because the only uses I have seen is with prismatic lips cell. Regards..
View ArticleProblem with USB2422 (jodis188)
Hi Everybody,I'am new in this forum and hope to be in the right place...I use a card with USB2422 hub, but 24MHz oscillator don't work...(see Capture.gif)I took off C25 and C26 like on EVB-USB2422, but...
View ArticleMCP73213 (BDD)
Hi Where can I get the correct partnumber for the MCP73213I needauto rechargeno timeout8.4VoltRegardsbdd..
View ArticleChassis and Digital Ground (jsyntax)
Hello Community, I ask your advice on how to properly combine chassis ground & digital ground. My doubts are related to the large number of documents that I studied and examples that I was able to...
View ArticleBiasing MCP6S91 Programmable Gain Amp (Ted M)
I have a design that uses a MEMS analog microphone that I want to feed into an ADC for sampling. The requirement changed to include the need to have automatic gain and I added the MCP6S91. The question...
View ArticleMCP23017 INTF Operation (pev)
Hello! I'm using an MCP23017 to capture state changes on some I/O lines. I'm slightly scratching my head as to whether I'm missing something obvious about how INTF works though. I've got a test setup...
View ArticleMIC5021 High -Side Fet driver without Current Sensing (RobinCCN)
I am using a MIC5021 and have disabled Current Sensing (datasheet chapter 6.8) by connecting the sense inputs to power supply. I have also disabled retries by connecting Ct to ground (chapter 5.4). I...
View ArticleUnable to set the gain registers on a MCP39F521 ... (Humancell)
Hello, I've been going for hours now, and have to give up for some sleep. :-) I've used the Microchip Windows utility software to "auto calibrate" one of my PCBs, and have copied the Gain Register...
View ArticleMTCH101 - metal housing / button sensitivity (Pawel_Z)
Hi! In my solution the MTCH101 is used as a main button (only one button for device). The device is powered by Li-Ion cell. The MTCH-101 is supplied by 2,8 V with capacitors 100 nF and 10 uF placed...
View ArticleMCP9600 I/MX Interface (UD)
HI I am using a K type thermocouple to measure the temperatures. I am able to read the temperatures accurately with the IC but the problem is if i touch the thermocouple with my hand the readings go...
View ArticleMCP73842 with disconnected battery pack (MWloch)
Hi All,I would like to enquire about charging controller MCP73842.Is it possible to use this IC as a supply, when battery pack is disconnected?And what will be value of voltage on DRV output in...
View ArticleCan MCP73842 operate with disconnected battery pack? (MWloch)
Hi All,I would like to enquire about charging controller MCP73842.Is it possible to use this IC as a supply when battery pack is disconnected?And what will be the value of voltage on DRV output at...
View ArticleMCP2122 - IrDA interface issue (diesel23)
I'm using the MCP2122 with a PIC18F via UART to send iR data over an external IR LED. The LED is a high power (100mA) LED, through a transistor. I had the same circuit working on an MCP2120 but needed...
View Articleadafruit tsl2561 sensor interface with pic24f16ka102 controller (ankit)
i am using TSL2561 light sensor . and I interfaced TSL2561 sensor with pic24f16ka102 controller through I2C. There are three types of address for this sensor 0x39, 0x29, 0x49 according to datasheet. i...
View ArticleIssue driving 2 small motors using a PIC and a TC4427A (1.5A Power MOSFET...
Dear all, I am having issues running 2 small motors (5V, 200 mA) with a TC4427A driven by a PIC. The schematic is below.Basically my power supply is able to run the motors fine (drawing about 200 mA)...
View ArticleOutput drifting up over a few seconds (NirVM)
Hi Guys, I have implemented the attached analog amplifier circuit to amplify a signal coming from a Wheatstone bridge based pressure sensor. The circuit works but one issue is not clear to me: When I...
View ArticleTC4426 Fanout (java_microchip)
Hello everyone. I have a DC motor speed drive which has 8 x STP75NF75 N Channel MOSFETs. The gates are connected together.Currently all the mosfets are driven by a 555 timer but I would like to replace...
View ArticleLooking for 10bit ADC I2C (java_microchip)
Hello everyone.Is there a version of MCP3021 with address bit?. I need to integrate two ADCs and I would like to keep the same component.Thanks!..
View Articlereplace AT42QT1010 by MTCH!=! to reduce over all power consumption (pyplos)
Dear forum members! I use an AT42QT1010 for a touch switch sensor system with low power requirements. The AT42QT1010 works fine and stable for the application, but I have issues with the power...
View ArticleMCP2221 basic cpp/C# application (crippler)
Hi I've search in microchip.com regard the device MCP2221.I've found dlls, driver installations/ terminal hw datasheet / dll APIHowever, I didn't find any instruction how to build minimal application...
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