EM1402EVM: TIDA-00817
Part Number:EM1402EVMHello; I'm curious as to why your reference design uses a transformer with a reset winding, since it's using an active clamp for this? Thanks in advance.
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UCC27538: OUTH protection
Part Number:UCC27538Hi TiIs there some internal zener diode connected from OUTH to OUTL in UCC27538? (Similar to D50 in the schematic below)It seems to pull OUTH down to ~8V, when input goes low, even...
View ArticleBQ40Z50: I2C communication
Part Number:BQ40Z50Hello, I would like to ask what is the I2C communication address of the BQ40Z50? I did not find it in the manual. There is also my chip is BQ40Z50, but I burned into the BQ40Z50R1,...
View ArticleTPS61085-Q1EVM: TPS61085-Q1EVM - Question regarding the value of C7
Part Number:TPS61085-Q1EVMHello, I note that the vale of C7 in the User Guide schematic and BOM for the TPS61085-Q1EVM is 33nF. This capacitor is in the compensation circuit and I would have expected...
View ArticleCSD17585F5: CSD17585F5 Vgs maximum value
Part Number:CSD17585F5Hello Team,by the CSD17585F5 is written that the maximum Vgs should be +20V. On other MOS datasheet from other vendors I do see that they do specify max +-20Vgs for an N channel...
View ArticleTPS23861EVM-612: TPS23861EVM-612 module PSE output is not working
Part Number:TPS23861EVM-612We Designed PD device and powering of using TPS23861EVM-612 module (POE +) .Last week is working fine.Today we are trying to power up the device using TPS23861EVM-612 module...
View ArticleBQ24040: How to configure a termination voltage of less than 4.2V
Part Number:BQ24040Please will you tell me if the BQ24040 will support charge termination at a voltage of < 4.2V (eg. 4.06V)?If so please explain the steps required to do this.Thanks.
View ArticleTPS92691: Max Output Voltage question
Part Number:TPS92691TPS92691& TPS92692 Max Output Voltage is 65 V, any way for improve max output voltage to DC220V ?I wnat to do it by DC6.4V-12V to DC220V 30W LED driver project.B/R James
View ArticleLP3856: Digitally Programmable Output Voltage on LP3856-ADJ
Part Number:LP3856Hi,I'm planning to use LP3856 in one of my design. Here is the requirement,1)Vout= 2.4V to 6.0V2)Iout= up to 2A., typ (1.75A)3) LDO output should be programmable through serial...
View ArticleBQ77PL900: Becomming hot during normal operation
Part Number:BQ77PL900Hello,I have two boards that I have adapted from the bq77pl900 EVM circuit for implementation in our system. The issue we are having is, the bq77pl900 chip becomes quite hot upon...
View ArticleSM74611: Can I use Sm74611 as a series PV blocking diode?
Part Number:SM74611I have seven 12V PV panels that are to be connected in parallel to generate the current required for my application.Each panel has it's own integral 'bypass' diode across the...
View ArticleTPS82140: TPS82140
Part Number:TPS82140Dear Madam/Sir Could you give me an explanation why there is an problem with the availability of this component. Are there issues in the design or is it an production failure ? The...
View ArticleBQ25890: Thermistor input when used with BQ27220
Part Number:BQ25890We have a design using both the BQ25890 and the BQ27220. Each part has a thermistor input. Is there a suggested configuration for connecting the thermistor input to one or both of...
View ArticleUCD3138A: Pmbus command 0xF2
Part Number:UCD3138AHello,we use the ti code for the LLC_HB.There is an PMBUS_CMD 0xF2 (Status_bit_mask) and I don't find a description.Could you explain these bit, please!#define STATUS_BIT_MASK...
View ArticleUCC28742: Please confirm the significance of Dmagcc = 0.475
Part Number:UCC28742I have a 420VDC source and want to use a 700V switch with an 80% voltage derating during secondary conduction, so there will be a 140V flyback voltage.Now, as I understand it, the...
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WEBENCH® Tools/LM5022: changing load for Bode plot simulation
Part Number:LM5022Tool/software: WEBENCH® Design ToolsI want to get a Bode plot simulation under different load conditions. I'm designing a boost supply with 24V input and 100V/0.5A output. Webench...
View ArticleTPS542941: PGND hook up and output ground via spacing
Part Number:TPS542941Hi,I am using the TPS542941 in the RSA pacakage. I have two questions in regards to using this part:1 - On the datasheet, p17, it shows a sample layout of this part and i can see...
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LM3405: On by default, getting hot; suggestions
Part Number:LM3405Hi. I'm using the LM3405 in the configuration as displayed on the first page of the datasheet (first image below)). Vin = 12V, and I have only 1 LED with Vf = 3.5V @ 1A. A few things...
View ArticleBQ3060-BQEVSW-SW: i hav buy BQ3060EVM and ev2400,can't find BQ3060-BQEVSW-SW...
Part Number:BQ3060-BQEVSW-SWI purchased the original EV2400 and BQ3060EVM boards form mouser. But I did not find the relevant download page or download link of BQ3060-BQEVSW-SW. The downloaded BQstudio...
View ArticleWEBENCH® Tools/LP2980-ADJ: The pass element of LDO
Part Number:LP2980-ADJTool/software: WEBENCH® Design ToolsHi,From datasheet, I know the pass element of LDO is a PNP FET,.1. compare with other vendor's LDOs, some of them use MOSFET as pass element,...
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