ADM1075 peripheral
Hello One of the customer is considering to use ADM1075.Referring to UG-548, there are ADuM5404 and ADuM1250. The customer wants to reduce component count.Then they are considering to reduce ADuM1250...
View ArticleClik here to view.
ADP5054 Rss setup is wrong
1) My requirements are 1.2V @ 8A and 3.3V @ 3A with 12V input2) I selected the ADP5054 and downloaded ADP505x_buckdesigner_release.xlsm tool3) Set up channels 1 & 2 for parallel 1.2V @ 8A4) Set up...
View ArticleIn trouble simulating IN-AMP
Hi there,I'm in trouble to simulate IN-AMP, AD623.I'd like to check transient analysis, but for some reason the output of AD623 does not work....There is the error message,"Device AD623 found in...
View ArticlePow Management IC: Li-Ion 2.8 - 4.2V; Sys Volts: 3.3V
Hi, I am designing a consumer Li-ion powered system with the following constraints: The system volts has to be 3.3V Li-Ion battery charging range is 2.8 - 4.2V Charging is to be done via a...
View ArticleAD688 Maximum Voltage Error over temperature
I am working with the AD688 precision reference and am trying to understand how to calculate the maximum voltage error over temperature. For discussion, the AD688ARWZ grade is sufficient. The data...
View ArticleComparison between ADUM7223, 4223, 3223, 3221, and 3220 drivers
I am currently looking at using one of the ADUM gate drivers for a multilevel GaN-based inverter. We are using the EPC 2034 fets and are currently using ADUM 5210s in conjunction with TI's LM5113...
View ArticleHow can I apply ~50 mV voltage with less than 1 mV error?
I'd like to apply 10-50 mV to my device with less than 1 mV, since it is very sensitive to the voltage oscillations, therefore, I cannot use standard power supplies. Are there any power supplies or...
View ArticleClik here to view.
Reconfigurable battery stack AD8280 design.
Is there a way to design a reconfigurable (i.e. via microcontroller FW and some analog switches) AD8280 design in order to implement one board for 3 to 6 cells connected in series? The number of...
View ArticleCN0337 in ADIsimPE
I have created the CN0337 reference design for 3 wire RTDs in ADIsimPE and woiuld like to see VOUT and data from a current probe I placed in the circuit. But I am not sure what type of analysis to run....
View ArticleADP7104 5V out Power Good Pin to 3.3V logic
Our ADP7104ARDZ-5.0 (+12 In +5 Out) is interfaced to a common "power rail good" bus. All other devices on this bus are pulled up to +3.3V, however this device specifies pulling up the PG pin to either...
View ArticleClik here to view.
How to use SMBus Jump in ADM106x product
I would like to use I2C command to change ADM106x behavior after board is powered up. So far looks like SMBus Jump may be command I can use. But I cannot found any documentation on how to issue this...
View ArticleUse ADP151 in a wired or configuration
We are using ADP151 in a dual supply environment. We have one 2.8-3.6V battery supply which is limited to 2.8V by an ADP151 and a 3.3V supply.We want to connect the 3.3V supply to the ADP151s output...
View ArticleADP2139 inrush current
Hi I have some questions about ADP2139 from the customer.ADP2139 has an internal soft start function. Although the inrush current is the value within the datasheet,the customer would like to reduce it...
View ArticleClik here to view.
Energy Meter Using ADE 7753 and Arduino Uno
Hello, I am working on an energy meter project that uses ADE 7753 as energy monitor IC and Arduino Uno as MCU. I am using a voltage transformer for voltage sensing and a current transformer for current...
View ArticleVoltage Regulators and PWMs
Hi all, I have a project that I need help with and depending on the level of information required for a solution, may be confidential. I was informed I could discuss with a member of a support team in...
View ArticleClik here to view.
ADP2114 startup failure
Hi ADI Engineers, Now I have a problem about ADP2114 startup.When I enable ADP2114 after 20ms from VIN, ADP2114 does not start up as the attached picture. However when I enable ADP2114 as same timing...
View ArticleADP1853 theta jc
If possible, could you let me know the theta-jc of ADP1853?One of the customer wants to confirm it. Regards,
View ArticleClik here to view.
For isolated buck converter circuit using ADP2441
Hi, All.Using the dualtransformeras shown in the figure belowwe would liketo make acircuitin theADP2441.<Specifications>Vin: 24V (32V max)Vout1: 5V (100mA)Vout2: 3.3V (100mA) Do you haveany...
View ArticleHow digital potentiometer is calibrated ??
We are using digital potentiometer as variable resistor in feedback pin of LDO. But we are facing piece to piece variation. How to resolve this issue ??
View ArticleADP5061/62 battery isolation FET
Hi, (1) battery isolation Vin = 0V (VBus not connected)Vbat > Vweak (system is running from battery) is it possible to isolate the battery from the system load by setting the EN_CHG & DIS_LDO...
View Article