MCP4651 5Kohm DigitalPot used for Gain adjustment of an Opamp (vision4u)
Hi There, I will apreciate if i can resolve this problem of mine, I have a NE5532 op-amp gain circuit attached (Digital Pot Connection.png) which is fed by +12 /-12 Volt in the rails. My input to the...
View ArticleLoad Side Accumulation with PAC1934 (dave.williams)
Reading through the PAC193x documentation, the power measurement is taken from Vbus measured at Isense+ and from Vsense. This gives an accurate reading for power taken from the source, but will cause...
View ArticleMCP1725_ADJ_LoadingIssue (Krunal SHah)
HiWe are designing a system where we want to drive the LED using PWM. Now we have the 5V voltage which is fed to the system as the system supply. There are some MOSFET that is driving the LEDs and Gate...
View ArticleUSB2514B (B.Kaavya)
hi Team,i am using USB2514B usb hub .Can i get to know what OS versions it supports for Android and Linux. Thanks and Regards,Kaavya...
View ArticleMosfet driver tc4431 (GuillaumeV)
Hello, I am trying to use a mosfet driver tc 4431 to amplify a PWM which comes from a pic18f47k42 (50%, 25kHz). The PWM is connected to pin 2 (input PIN). It is supplied with 25Vdc. I tried with and...
View ArticleMCP2221A: How to change power request (matherp)
The MCP2221A request 100mA from the host and this is controlled through one of its flash registers. I can't find how to change this. Is there some sort of application I can use to connect to it as a...
View ArticleMOSFET driver for HF (cadr)
Hello. I was trying to select a MOSFET driver for driving an IRF510 at 7MHz. I have a TC4420, and I simulated this in MPLab Mindi, and it seems it should work. However, on the test bench, having it...
View ArticleMCP39F521 Erroneous NAK Response (laffelt)
I am using an MCP39F521 as an active power measurement tool to control the power being delivered to lamp for constant light output regardless of the AC line voltage shifts. I am using a Silicon Labs...
View ArticleMCP9600 problem (carlo dalla val)
Hi all,I need a support in using MCP9600 thermocouple device.I have tried to follow the example into the datasheet but it doesn't seem to work. Actually when I read the upper byte and the lower byte of...
View ArticleMCP9600 - temperature reading (tozito)
hi! I've got a simple application with this MCP9600, I can read/write registers, but do not clearly understand how to read the temperature of the thermocouple.I've attached a type K thermocouple, and...
View ArticleMCP13xx Watchdog Behavior (labmicro)
In reading the datasheet for these devices, I understand that the watchdog timer is not enabled until the WDI input is brought low for the first time after powerup. From that time forward, WDI needs to...
View ArticleMIC4609 (MTRGURU)
Hello All I have designed an evaluation board with various modules. On one of the modules for the mosfet drivers I am using the MIC4609 IC. Now the IC seems to work OK until I put any sort of load on...
View ArticlemXT336U (venkatesh9)
Hi was doing comparison of the touch controller mXT336U with other touch controller that i have with. i see that few details are not mentioned in the mXT336U datasheet like: 1. command set not found in...
View ArticleTranszorb for MCP73831 USB LiIon Charger? (rolfo)
The datasheet of recommends a transzorb on the USB power input (VDD). Section 6.1.1.2. Absolute maximum ratings for VDD is listed as 7.0V plus 4kV human body ESD and 400V machine model ESD. On USB Vbus...
View ArticleMCP4922 Outputting 2.5-5V Range Instead of 0-5V (grinchy95)
Hi, I am working on a project using the MCP4922 with the dsPIC33EV256GM102 SPI interface. Everything seems to be working properly, and I get the full range of resolution, except that the DAC is...
View ArticleUSB2422: Issue getting USB hub enumerated on PC (robhelvestine)
This is a test message. How come my previous attempts at posting something haven't been approved yet?..
View ArticleUSB2422 Issue getting USB hub enumerated on PC (robhelvestine)
Hello Microchip Team, I'm using the USB2422 in two different designs and working on bringing up the hardware. I'm having an issue configuring the USB2422 to validate the USB communication. Attached is...
View ArticleMCP3464 ADCDATA REGISTER ISSUE (jasmeet singh)
I am working with MCP3464 ADC with external clock through SPI communication with (5Mhz) speed. My configuration register values are following 1. config0 = 0x13, 2. config1 = 0x04, 3. config2 = 0x8b, 4....
View ArticleMCP3464 ADC output issues (AndyH)
I'm working on a product with an external MCP3464 ADC. I can communicate with the device via SPI, and am able to read and write registers with no problems. However, I just can't get the device to run...
View ArticleLAN8710 MDIO communications (jakthree)
Hi, I am a newbe with using the LAN8710 PHY. I have a custom board using Octavo Systems OSD3358 and two LAN8710 (PHY). The PHYs are both rmii. PHY-1 at address 0. PHY-2 at address 1. Individual 25mhz...
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