ADN8831 linear side power loss
I am hoping to use the ADN8831 to drive a 1.0V, 3.5A TEC from a 5.0V power supply. I bought the evaluation board and am using it to develop the design. I have adjusted the evaluation board so that it...
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Help for design of a battery management system
Hello, I'm an inventor trying to prototype a PCB for a consumer electronics invention that would use a rechargeable battery (such as Lithium-Ion). Since your company sells battery management chips, I...
View ArticleAD633 noise SImetrix model doesn't match datasheet
Hi everyone, I am trying to do a noise simulation of a circuit using the AD633 low-cost analog multiplier. As a first check on my results, I have wired the multiplier in ADIsimPE (Simetrix) as in the...
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ADP5090 Charging Problem
Hello, I am using APD5090 to charge a super capacitor from a mechanical harvester. The harvester generates a sin output with a frequency of ~1Hz, with max voltage amplitude of 2.5 V. I used a full-wave...
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About the "power path" of the ADP5350
I have a question about the "power path" of the ADP5350.Is the "Power Path" of ADP5350 the same as "Power Path" which is a registered trademark of Linear Technology? Best regards
View Articleproblem simulating CD4046 with ADIsimPE
i have been trying to simulate cd4046 with ADIsimPE but the IC just doesnt work at 15V power supply. I have calculated the values of R1,R2, C1 susch that the frequency range is between 32 to 33 Khz. I...
View ArticleAD633 noise SImetrix model doesn't match datasheet
Hi everyone, I am trying to do a noise simulation of a circuit using the AD633 low-cost analog multiplier. As a first check on my results, I have wired the multiplier in ADIsimPE (Simetrix) as in the...
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ADM1272 Iset Vsense range 2.5mV to 30mV
Hi, We are planning to use ADM1272 for one our product,that will have options for varying the current limit as per user requirement. The Iset pin provided with the IC holds good for varying the current...
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The variation for charge time of ADP5062
Dear Sir/Madam, At last our customer have proceeded to total evaluation test stage to use your ADP5062.So I got the one question from our customer. How should we think about the variation for charge...
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ADP2301 outputs 2.5V instead of 5V
Hi I am trying to make a DCDC converter using the ADP2301. The design is more or less taken from the design tool ADP230x_BuckDesigner_Release.xlsm. Down below is a picture of my circuit: I was...
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ADM1270 stability during Current limit Switch over
Hi,We are planning to design a 28V fixed power supply with adjustable current limit setting using ISET pin of ADM1270 IC in discrete steps,need to know information on how stable the device will...
View ArticleAD633 noise SImetrix model doesn't match datasheet
Hi everyone, I am trying to do a noise simulation of a circuit using the AD633 low-cost analog multiplier. As a first check on my results, I have wired the multiplier in ADIsimPE (Simetrix) as in the...
View ArticleLDO with adjustable current limiting etc. available?
Hi Analog Devices,I have searched your power management products for an LDO with these characteristics: - Single regulator output, adjustable. Preferably up to 20 VDC. Input voltage up to 22 VDC.- 200...
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Interface for Implementing NLMS algorithm in ADAU1452
Hi, I am using ADAU1452 SigmaDSP to implement an algorithm derived from NLMS adaptive algorithm. It is a dual-path algorithm,where it stores the background (shadow) coefficients. It would be helpful if...
View Articleproblem simulating AD736 in ADIsimPE
simulating AD736.I was trying to simulate AD736 rms to DC converter for 200mV input for fastest settling time. I have attached the circuit below. I might have made mistakes in selecting the Cav and Cf...
View Articleproblem simulating CD4046 with ADIsimPE
i have been trying to simulate cd4046 with ADIsimPE but the IC just doesnt work at 15V power supply. I have calculated the values of R1,R2, C1 susch that the frequency range is between 32 to 33 Khz. I...
View ArticleADP1612 output equals input voltage
I'm using an ADP1612 to take 3VDC and boost it to 12VDC. So I implemented Figure 44 on page 17 of the ADP 1612 datasheet, and I had an experienced friend do the soldering.The problem is, I only get...
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How to design a +-12V output using ADP5070?
Hi, I searched this forum about any post related to adp5070. And I found that if the comp (RC1, CC1, RC2, CC2) and 1L1, 1L2 values are wrongly choose, there is a high possibility that the -Vout goes to...
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Problem with driving a circuit using boost converter(LT3580) from Li-ion Battery
Hi All, I have a device that runs on 9V battery. It consumes about 100 mA @ 8.5 V. I am trying to replace 9V battery with rechargeable Li - ion battery (1 cell nominal 3.7 V). I have connected Li-ion...
View ArticleWith regards slew rate specification for SS/TRK Pin
Hi , Could you please let me know the Slew rate specification for SS/TRK pin , to reduce problem such as over and undershoot.This is for ADP2441. Thanking youWith best regards and wishes
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