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LTM8029 effcient shutdown?
We need to shutoff a LTM8029 for a lower power mode feature in the device we are designing, the LTM8029 datasheet states to pull the run pin low to disable the device. I am looking for ideas how to...
View ArticleADP1048 PRD 1363 design files
Hello Gentleman, Could you please provide the full package of the PRD 1363 for the 600 W PFC? Do not forget to add the ADP1048DC1-EVALZ ( daughter card files ) as well. BOMSCHGERBERLAY OUT Thank you...
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ADP1755 output voltage drift
Hi all, I use ADP1755 to generate the 1.3 V for AD9364. Based on the ad_fmcomms3_reva schematic, I design the AD1755 circuit to convert 2.5V to 1.3V as the following.PS: D1V5 means 2.5 V source...
View ArticleSolar LIPO charger with LT8490 not charging
Hi therethis is my first time here. Please be forbearing if i am doing anything wrong. :-) I am developing a solar charger to charge an 48V LIPO battery with a solar module using the LT8490. By now i...
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ADP1046A Daughter Board Design Files
Hello Gents, Hard work here building PRD1363 and UG - 734. I have checked the PRD1386 and it looks like the design files are available for the ADP1046ADC1-EVALZ (Daughter Card) Would you please...
View ArticleLTC7004IMSE#PBF
Hi All,I am facing an issues with LTC7004IMSE#PBF for gate driver to the MOSFET, I have a control from processor to enable LTC7004IMSE#PBF by driven 0V for OFF 3.3V for ON at the pin of INP .I have...
View ArticleLTC4060 slow charge
Dear,I want to build NiMH/NiCd battery charger for 3 cells series connected. I found LTC4060 but it allows fast charging only. My battery pack of NiCd batteries is 3.6V/800mAh. I want to charge it with...
View ArticleTrouble with LTC3895 - it yields several kHz of switching frequency instead...
I'im designing a buck , 400W converting 32Vdc to 28Vdc. The circuit works almost well, but instead of 100kHz or so of the switching frequency I got only audible 3..5kHz, depending of the load. Output...
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LT8330
According to the constraints specified in the data sheet for the LT8330, the SEPIC inverting converter voltage output can be no greater than half that of the non-inverting boost converter. At least,...
View ArticleADM7151 two in series
Hi all,My question, is possible to use two ldo as 7151 in series to reduce the output noise?Is the best way to carry the noise below at 10 Hz, without to increase the capacity over 10uf and more?...
View ArticleADP5091 SPICE Model
Hi, I've looked in LTspice, online, and called technical support trying to find a SPICE model for the ADP5091 Ultralow Power Energy Harvester PMU with MPPT and Charge Management chip to no avail. Is it...
View ArticleEVB User guide for ADM106x power sequencers and eval boards
Hey, I'm back with another (vaguely related) question about the ADM106x Eval Board ! The EVB user guide (UG-063) says "An additional on-board two-way, push-pull/open-drain switch, S3, can be used by...
View ArticleADM1278 Startup Problems
Hello, I am currently working with the ADM1278-1 and I am having a very difficult time getting it to work. I spent a lot of time working through the datasheet when I designed my board and I have...
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About ADP5054 Power Consumption
ADP5054 is currently being used, and the required voltage level has been adjusted and normal working, but there are some very serious problems. The static power consumption of AD5054 is very high,...
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Need support for LTC7004
Hi,We are trying to switch with LTC7004 ic 48V power through 5 meter 18AWG wire to load.The load is not working properly(Some times working) Is there any difficulty to driving Thickest cable ?Whereas...
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Have problems to read ADM1278 READ_PIN registers
Hi ADI expertsI have a customer who is using ADM1278 for hot swap controller has a problem to read READ_PIN register(address:0x97) by BMC controller through PMBUS,somtimes they can get a correct value...
View ArticleLT8364 vs LT3471 in terms of noise
Hi, Recently I use a LT8364 in a boost converter circuit with switching frequency of 1.2MHz, and found that it's noise is quite higher than a LT3471 boost converter circuit I've previously used. Is the...
View ArticleLT3128 in cascade configuration
Hello, Is the LT3128 capable of being set in cascade like the LTM8052 for chargin/balancing a set of 6 supercapacitors (from the same power source of 5V)? That would be 3 LT3128 charging 2 supercaps...
View ArticleQuestion LT3980 PCB layout for PoE project
Dear sir, Customer has a question, when designing with Linear Tech’s PoE solutions. First of all, customer would like to know if impedance matching is required for Ethernet signals from transformer to...
View ArticleProgramming of battery charger
Dear supporter, I'm testing the battery charger- ADP5062.I wrote the new value into the I2C register of ADP5062, then turned off and turned on the device.The value of the I2C register still turned out...
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