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ADP5071 SEPIC + Inverter Mode Layout
Dear ADI, Do you have a reference layout for the ADP5071 in SEPIC Mode on Ch1 and Inverter Output on Ch2, like shown on page 25 of the datasheet? Thank you! Regards, Martin
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FET_HEALTH_FAULT of ADM1278
Hi ADI Expert, I have a question about ADM1278, when we did the AC cycle test, that is, used power cycle command (0xd9), sometimes we could see the MFR_STATUS bit has been asserted of the HSC. Checked...
View ArticleADISimPE TIME-DOMAIN RUN AFTER POP FAILS TO CONVERGE
Hi, I'd like to know about the error, 'TIME-DOMAIN RUN AFTER POP FAILS TO CONVERGE'.By what condition does it happen? How can I avoid it?Could someone check my simulation file ?
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How to use LTM8045 for getting +1.8V from -5V
Hello, We received a question about a way for geeting +1.8V 4A from -5V from our customer. Following is one of the idea.Can we use LTM8045 like this circuit? If no, are there any idea for getting...
View ArticleLTSPICE LTC2953-1 model has wrong polarity on /PFO output, LTSPICE LTC2953-1...
I've been modeling a power supply controller using the LTC2953-1 SPICE Model on LTSPICE XVII and I've found that the /PFO output behaves opposite as indicated in the datasheet, /PFO is High when /PFI...
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Shifting 3V to mV range
Dear Expert, How to shift a digital signal of 3V to the mV range? Do you have any component to recommend for such an application? If you don't have such a level-shifter in mind, would a DAC with a ref...
View ArticleFET_HEALTH_FAULT of ADM1278
Hi ADI Expert, I have a question about ADM1278, when we did the AC cycle test, that is, used power cycle command (0xd9), sometimes we could see the MFR_STATUS bit has been asserted of the HSC. Checked...
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LT3757A Circuit verification
Hi, I am using LT3757A DC DC Converter in my design. I have chosen SEPIC configuration.Please find the attached image of the circuit for verification. I have below queries with respect to the design....
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LTC4417 hysteresis
We are using the LTC4417CUF device in a prototype with input protection and prioritization. We are using batteries and tried to set hysteresis manually, with an external resistor on HYS pin. See...
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ADM811TARTZ WHITH POWER FAIL
ADM811TARTZ is perfect as Logic Low RESET for ADAU1701 and I use it in different hardware.I have to modify a hardware with on board ADAU1701 and I need an IC identical to ADM811TARTZ but with...
View ArticleLT1513 Charge current (problems)
Здравствуйте. Я являюсь разработчиком систем заряда Li аккумуляторов. В своих разработках я использовал микросхему LT1513 (рисунок 1). При заряде Li аккумулятора напряжением 4,2 V, максимальный ток...
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LTC4355 external MOSFETS not switching OFF at Fault threshold.
ltc4355 1VDS Fault not operating at expected 1.5V threshold when "Set" pin is open circuit2Ref Schematic attached,MON1 at 17.2V: MOSFET M1 does not switch Off. PWRFLT1 LED LED4 is OFF.3Similar case...
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Need a suitable charger IC management circuit
Hello there, My application need a battery management charger IC.Take a look the design layout, 1. A micro USB connector from smart phone to PC or power adapter will be use.2. From this USB connector...
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LT3757A DC DC Converter Design verification
Hi, I am using LT3757A DC DC Converter in my design. I have chosen SEPIC configuration.Please find the attached image of the circuit for verification. I have below queries with respect to the design....
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The footprint of ADM6315
Hello,I have a question about ADM6315.In the datasheet,the pins' order is 4 3 1 2 But...
View ArticleLTC4020 UPS
I plan to use LTC4020 as a power backup manager (UPS), using a 3.7V li-ion as backup battery and 36V li-ion as main input voltage source. Could you confirm that when the input 36V battery is...
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ADP160ACBZ-2.75-R7
Dear Sir/Madam.I'm using Analog Devices ADP160ACBZ-2.75-R7 LDO in several products.Recently in a certain product, in two units which succesfully passed all regular tests, I noticed that the current...
View ArticlePlease explain what is performance difference between ADR4525WBRZ and ADR4525BRZ
Hello, Now, I am considering to buy ADR4525WBRZ. However, I'd like to know the exact performance differences between WBRZ and BRZ product. There is no information about that in the datasheet. Regards,...
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LT1990 for Gain 10 application
Input offset voltage parameter of IC LT1990 is not matching with datasheet. we are getting 15mV to 300mV offset voltage for gain 10 configuration. please suggest how we can reduce offset voltage of IC....
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How to initiate ADM1278 power cycle
ADM1278 datasheet indicates we can use SMBus "Send Byte" command to let ADM1278 power cycle its output. The "Send Byte" command only has the slave address (such as 0x10), but it doesn't have the...
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