ADN8831 external clock polarity and phase
Hello everyone, I am developing a board with multiple power converters and need a synchronous out-of-phase operation. Please clarify if the following statement is correct:If an external clock source is...
View ArticleADM1166 EEPROM Checksum Calculation Problem
In ADM1166 , if i write any data to the EEPROM user space then it will affect the configuration check sum or not??If possible please include check sum calculation details in EEPROM of ADM1166.
View ArticleADP1055 Evaluation Board For 7.4KW Solution
Dear Sir:ADP1055 Evaluation Board now only have input 38-60VDC,output 12V, 20A specification,ADI will propose provide input 400VDC,output 60V, 125A DC-DC Digital Power total solution? I am very...
View ArticleHow can I use the ADP5090 with a CdS cell?
Hello, I'm wanting to use the ADP5090 in a solar powered outdoor light. I'd like to make this as simple of a system as I can to keep cost down and efficiency high. I'd like to use a CdS cell as the...
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ADR421. Regulator voltage output is the out of specification under some...
Regulator voltage output is the out of specification under some conditions. Is it posible what regulator can sets the output voltage to 5,5V if input voltage is 12V and about 4,2 if input is 8V while...
View ArticleBlind vias in Eagle?
Hi Guys!Sorry for asking such a strange question, but perhaps sonne has dealt with blind/buried vias. Could you please tell me, if I have, say a buried via going from layer 2 to 3, and I have a blind...
View Article12V input voltage version of ADP5040?
HI Is there available 12V input voltage version of ADP5040 PMU? If not could you propose equivalent PMU for AD9364 RF transceiver, so PMU which max. input voltage would be 16V.
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ADP5071 Design tool problem
Hello Everyone,I am using the excel based design tool. I always get this error:ADIsimPE simulation model exists for this product? Thanks.
View ArticleADP1755 Thermal parameters
Hello One of my customers is looking for an additional parameter (not listed in the datasheet) of the ADP1755.They need the junction to case thermal resistance or the maximum case temp of the...
View ArticleNoise analysis
Hi there, I just started using ADISIMPE recently and I have a question about noise analysis.I tried to check output/input noise of the amp circuit. But the result of the graph is pretty wired.The...
View ArticleADP2164 Forced continous switching
I would like to free-run the ADP2164 at ~650Khz but do not want it to go into pulse skip or burst mode with no load.I can calculate the RT value but the question is with the SYNC pin.Can I tie the Sync...
View Article5vdc power supply with minimum component
Hi,I have design that need 7-30vdc input from external source and i need this range to be converted into 5vdc which will supply to my controller. And i need this to be done in small space I have tried...
View ArticleADP1048 - PMBus to SPI Bridge
Dear all, i have the Problem, that i have to connect the ADP1048 to a µC without an I²C Interface. The only available Interface is a SPI Bus. So i decided to use a I²C to SPI Bridge. The question is:...
View Articleadp3624 malfunction at about 1A
I developed a RC speed control for DC motors. It took me about 2 years to get it finished and recently it has been published in Elektor 2014 7/8 p104. The PWM pulses are generated by a microchip...
View ArticleBattery Charger for Power-Assisted Bicycle
Hi All, My customer is designing a Li-Ion battery charger circuit.His battery is 7 or 8 stacked Li-Ion Battery and its voltage is around 30V.He said most of battery charger IC on the market don't...
View ArticleThermal Information of ADM3260 SSOP & ADE7953LFCSP
Hi there, Please kindly advise what the listed thermal specification of ADM3260 SSOP & ADE7953 LFCSP are :1. Temperature of junction ? Tj2. Temperature of case ? Tc3. Junction-case thermal...
View ArticleNotes for using Ir-LED with ADP8140 white LED driver
Dear Sir/Madam, Our customer is studying to use Ir-LED driver with your white LED driver like a ADP8140.So what is the notes to use as Ir-LED driver?Only Vf difference?Why are your LED drivers designed...
View ArticleVHx, VLx input current at Vcc open/GND on ADM12914,ADM2914
Hi Pls explain about VHx, VLx current.Datasheet doesn’t describe these internal circuits.Specifications condition is Vcc=3.3V VLx=0.45,VHx=0.55V only. VHx pull up to 7.5V and Vcc= 0V or open, then what...
View ArticleIn ADP5050, channel 1 buck converter is not generating designed output
Dear Sir, we were using ADP5050 in our design, please help me in my problem.we are facing a issue in channel 1 buck converter output. we fed 5V input to ADP5050 and component selection has been done...
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