multiple MCP23017 and XBee3 (Antoine A.)
Greetings everyone, I am working with MCP23017 to extend the XBee3 (wireless chip) GPIOs.I have designed and produced a very simple board and it was working very well with one or two boards on the same...
View ArticleMCP3202-C treats MSBit first (MSBF) inverted (rbb)
When requesting MSBit first data from a MCP3202-C (MSBF = 1), it returns MSBit first data followed by LSBit first data. According to the datasheet, this should be the response for MSBF = 0. And when...
View ArticleUSB2250/USB225x CF Support (Jason Watton)
I am looking for someone out there - or in Microchip - who knows something about the USB2250 Multi-Slot Flash Media Controller. If this is posted in the wrong place please let me know and I will move...
View ArticleMCP3464 Offset and Gain Calibration Question (DiBosco)
Folks, Am trying to work out how to use the digital system offset and gain calibration functions in the MCP3464. The datasheet seems to be suggesting to me that the values in OFFSET and GAINCAL...
View ArticleIs it possible not to have a default mid-scale position on the wiper with...
Hi, I am currently using the MCP41010 digital potentiometer to control the reference voltage of an error amplifier (between 0 and 4V) which regulates the output voltage of a DC-HVDC converter (The SPI...
View ArticleHV7355 questions... (cmarcus)
Hi, I am developing an ultrasound system and looking for a transmitter driver IC. I am synthesizing all signals in an FPGA and just need high voltage driver chips. I found the HV7355 and it seems very...
View ArticlePAC1952T-2 voltage reading woes (toms)
Hi all, Something I didnt catch during my initial development because I was using a power supply that was just below this seemingly strange behaviour... I have two PAC1952T-2's on a board measuring 3...
View ArticleMCP73213 (BDD)
Hi Where can I get the correct partnumber for the MCP73213I needauto rechargeno timeout8.4VoltRegardsbdd..
View ArticleMCP1662 Open Load protection (Tobias89)
Hi, I am using MCP1662 to provide a backlight for a 7" TFT LCD (cca 40mA@20V), with 5V on input. However, if I turn on module with my LCD unplugged, the device gets destroyed instantly. So I have a...
View ArticleDr. Wattson - Energy Monitoring Board for Arduino, based on MCP39F521...
Hello everyone! I have created a new energy monitoring breakout board based on the MCP39F521 for Arduino and other MCUs, that I call Dr. Wattson - please check out http://bit.ly/2wg2wte for more...
View ArticleMIC29310-3.3 5V to 3.3V conversion issues and errors (Eusuvi)
I'm not sure if this place is the correct one for my post. I'm using the microchip LDO regulator. It's suposed to work with 2V to 16 of input voltage and giving 3.3V at the output. The power management...
View ArticleMCP3464R wrong result (Fil96)
I'm creating a library for MCP3461/2/4R (16 bit ADC) and MCP3561/2/4R (24 bit ADC). I already tested the "normal" behavior of the two ADCs and they convert in the right way the input data, in...
View ArticleUSB5734 Thermal limitation Commercial vs Industrial (Steven P)
Hi, We are evaluating if we can use the commercial version of the USB5734 rather than the industrial version due to the shortage of the industrial version. From the datasheet, I could get the ambient...
View ArticleM90E36A calibration (marcell_ratky)
Hi,I'm working on a project using the M90E36A poly-phase energy metering IC and I'm having trouble understanding the calibration setup from the datasheet and app note.Power Offset Calibration I'm not...
View ArticleHV7224 comprehensive work description (sergej1981)
Hi!Dear Representative!I'm going to use HV7224 driver for ACTFEL display in our project for well known world company.But datasheet is too short for HV7224 and it is not obviously how data are loaded to...
View ArticleUSB5744 Stall issue (sarayuks)
Hi Microchip, We are using USB5744 HUB for our current project which is designed for USB audio. when the device was not being recognized. We have tried to capture the USB traffic (USB logs) and in that...
View ArticleMCP2551 signal issues (BDD)
Hi AllI'm missing something on the MCP2551Back ground1) I have a userinterface board with a PIC32 connected to the MCP2551 via the UART CAN is terminated with 120ohm on the board2) I have a controller...
View ArticleMD1213DB1 Dev Board - Uses MD1213 and TC6320 - Anyone Here Have Experience...
Hello All, The MD1213DB1 isn't currently available, but we've made a clone and are trying this design as a basis for which to make designs we have under development. I was wondering if there was anyone...
View ArticleMD1211 Supply Voltages (marcelomendoza7)
Hi, I have bought the IC MD1211 recently, to use with the IC TC6320 to drive a ultrasonic piezoelectric transducer. Both ICs have the 8-SOIC package. I have printed my 8-SOIC to 8-DIP adapter, to test...
View ArticleAM Modulation with N-channel and P-channel MOSFETs (marcelomendoza7)
Hi, I have the IC TC7920 (Figure 1) that has Two Pair, N- and P-Channel Enhancement-Mode MOSFET with Drain-Diodes, and the IC TC6320 (Figure 2) tha has a pair of N- and P- MOSFET. These ICs are used to...
View Article