MCP2210 - Connect the expsoed pad to GND ? (mborges)
Hello,I've been wondering if one should connect the exposed pad on the MCP2210 USB-SPI interface. Nothing is specified in the datasheet, except "look at the pinout table", but there is nothing related...
View ArticleMCP47FVB22 High voltage IC address change (RickUK)
Hi,three questions, could you please address each of them separately: 1) does the MCP47FVB22 need high voltage (12V Vihh on the LAT pin) for normal operation? In other words can we use it in a 5V-only...
View ArticleMCP47FVB22 (RickUK)
Hi,three questions, could you please address each of them separately: 1) does the MCP47FVB22 need high voltage (12V Vihh on the LAT pin) for normal operation? In other words can we use it in a 5V-only...
View ArticleMCP23S17 IOCON register value does not update correctly (wave.jaco)
I am struggling with the initial configuration of an MCP23S17 for nearly 3 days straight. I have read a number of forum posts on this topic and have ruled out a number of possible causes. First things...
View Articlemcp39f511 communication problem via UART/USB (prz3m3k96)
Hello Everyone!I designed my own board with mcp39f511, it is based on demonstration board. I changed only current and voltage channels. When I connect board to PC via USB, which is on my board, Power...
View ArticleMCP39F511 bit4 status (LECAT)
Good morning all. I use the MCP39f511, it works well but I have a small problem with the bit4 of the STATUS, this bit bit gives the sign of the active power. my problem !!! when the power is in one...
View ArticleBank Warning Message with MPLAB 8.2 (Michael Stone)
First a disclaimer. I know that I am using obsolete equipment and software but I still need an answer to the following question. If anyone can help, I would greatly appreciate it.I am attempting to...
View Articleproblems with MIC4830 (psyfusion)
Hi All, I have built the typical applicaiton circuit from teh MIC4830 datasheet. I have used the values for 0.4inch2 EL panel running at 900Hz (REL=0.369MOhm, RSW=321kOhm). The input voltage is 3.3VMy...
View ArticleMCP9600 I2C clock stretching problem with multiple hosts (guarndt)
Dear friends, I have been evaluating the MCP9600 thermocouple temperature converter with different hosts - to be precise, the MikroE Thermo K click, which is an implementation of the reference design...
View ArticleMCP3561 / MCP3562 / MCP3564 Nonsense Conversion Results (andrew1999)
Hello All, Has anyone out there used MCs new MCP356x ADCs at all and got sensible readings out of them? I have a MCP3562 with its REF+ driven direct from a 1.2V from a MCP1501 and REF- to GND, and all...
View ArticleUSB5807c vs USB5807 (jrosenthal)
Hello,I have just revised a board design, moving from USB5807 to USB5807c, as the 5807 is marked "Not Recommended for new designs". The revision only included a few other changes listed below. I added...
View ArticleMCP9600 I/MX vs MCP9600 E/MX (jenschr)
Hi all,According to the datasheet, the MCP9600 comes in variants that can handle different temperatures. I have a customer PCB that have worked great over several iterations using the MCP9600 I/MX, but...
View ArticleMTCH102: long key press duration (a_kouz)
Hi,I use MTCH102 to detect keypress. User can make short keypress or long keypress. To my surprise, I've learned that MTCH102 does not produce continuous output signal during long keypress. When a key...
View ArticleMIC502 Alternative (Bilgin)
Hi, I'm working on an electromagnetics project and I need a controller that gets an analog input and provides a PWM output. My analog input is going to be the output of a ratiometric hall effect sensor...
View ArticlePAC1710/PAC1720 Vsource before Vdd (hardware@quercus.biz)
In Figure 4-1 of the datasheet, there are two notes which say that Vdd must be powered before the senseXX.I have a board powered with 24V. It has a DCDC to generate 3.3V from 24V.The sense mesure a...
View ArticlePAC1710's Alert pin Functionality (ndaksu)
Hello, I use PAC1710 in my design as continuous current monitor and high current protection IC. At the high current protection side, I want to use its "Alert pin". I configured PAC1710's related...
View ArticleM90E36A MASTER MODE COMMUNICATION ISSUE (Dhanaraj.K)
Hello All, I am having a custom board with M90E36A energy metering IC and controller . I am trying to get ADC sample of current channel I1 of M90E36A in master mode with configuration of 16 bit channel...
View ArticleMCP6L04 used as differential amplifier doesn't work (DominusT)
Hi. I need to take a sample from a 10 V voltage source for which I perform the following circuit: Figure 1 In theory the circuit reduces the voltage from 10 volts to 2.72 V and when simulated with...
View ArticleReset IC suggestion for ATSAMD51P20A-AF (Chetan@75f)
Hi There,We are using SAMD51, in datasheet it is mentioned for reset pin its good to use a standard RESET IC instead of RC circuit, But Reset IC part number is not mentioned. Please respond with the...
View ArticleAnalog circuit (ashvin)
Hello,Actually I refer a microchip document AN1444, in this document (document page no 15) I studied topic “AC CURRENT SENSE CIRCUITRY”. I upload that circuit with equation.First stage of circuit is...
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