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TPS54160: TPS54160 pin COMP voltage
Part Number: TPS54160Hi,As shown in the datasheet, "the COMP pin voltage will increase and decrease as the output current increases and decreases." And i did some test,shown below.And in these two...
View ArticleCSD19536KTT: CSD19536KTT_Theta_JB
Part Number: CSD19536KTTHello I would like to know the Theta_JB parameter in the datasheet of CSD19536KTT.There is no information about that in the datasheet.Regards,Chuong Ngo
View ArticleTPS23880EVM-008: TPS23880EVM-008
Part Number: TPS23880EVM-0081Page 3 of the document "slvub84b TPS23880EVM: PoE, PSE, TPS23880 Evaluation Module", said that"The TPS23880 device must be configured through the host to become...
View ArticleBQ25120A: pre-charge
Part Number: BQ25120ATo the person in chargeI would like to ask you about your charging IC "BQ25120A".In the pre-charge mode of “BQ25120A”What is the maximum output current of the PMID pin?The same...
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LP5012EVM: Cannot connect to EVM board?
Part Number: LP5012EVMTeam,Customer tries to connect to the http://www.ti.com/tool/LP5012EVM using USB2ANY.-Specifically about the LP5012EVM GUI:Trying to connect to the EVM: - PC runs Win 8.1...
View ArticleWEBENCH® Tools/LMZ31520: Webench support for PVIN = 3V3 & Vin =5V ?
Part Number: LMZ31520Tool/software: WEBENCH® Design ToolsHi,is it possible to extend Webench LMZ31520 support for PVIN = 3V3 & Vin =5V ?thxRudi
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LM5117: Voltage emissions occurs under load
Part Number: LM5117Hello!I uses a DC-DC converter in my project. 24V to 5V, 12A, built on the LM5117PMH/NOPB chip. I used "lm(2)5117_quick_start_hv_calculator V1.5" when designed the converter.When the...
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TPS54531: Vstart and Vstop calculation review
Part Number: TPS54531Hi We would like to design VSTART=5.5V and VSTOP=5.0Vafter calculation we get R10 =167K, R11=47.2K and our schematics as below.However, using the above R10 and R11 value to do...
View ArticleBQ40Z50-R2: smbus/i2c
Part Number: BQ40Z50-R2HiI'm reading about ten registers from bq40z50 via smbus/i2c with an STM32L0Once every second I perform a "read block" and everything works well for a lot of time (lets' say...
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TPS25982: Capacitor inrush current
Part Number: TPS25982Hello Team,with a target slew rate of 0.2V/ms I calculate a capacitance of 23nF (used 22nF, C0402C223K5RACTU) but measured 110V/ms.Even with 4.7nF I got 40V/ms which is far faster...
View ArticleUCC5390ECDWVEVM: UCC5390ECDWVEVM:
Part Number: UCC5390ECDWVEVMHi,The ucc5390E EVM is powered by 14.5V input at Vcc1, i used jumper to connect In+ to 14.5V and in- to GND. Still no response from the gate driver. The EVM is connected to...
View ArticleLM5163-Q1: Cbst abs max
Part Number: LM5163-Q1Hi Champs,there is an abs max rating of the Cbst cap stated in the datasheet. A customer raised some concerns that, with the given tolerances of the standard caps they might...
View ArticleLM27403: I am unable to get more than 600mA out of the supply when I ramp up...
Part Number: LM27403Hello,Customer is having a problem with the device: input of 14V and an output of 1V at 1A.I am unable to get more than 600mA out of the supply when I ramp up the load and unable to...
View ArticleWEBENCH® Tools/TPS65263-Q1: Calculating reliable loop compensation values
Part Number: TPS65263-Q1Tool/software: WEBENCH® Design ToolsHi,have inherited a design with this chip. It come with values, for compensation networks, that semt well working.In order to assess this, i...
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BQ25708: Buck Only Design
Part Number: BQ25708Hi,I am looking to use the bq25708 for a lead-acid (12V) battery. My input voltage is 24V so I will not need the boost functionality that this device also provides. Is it possible...
View ArticleBQ34110: State of Health
Part Number: BQ34110I need a clarification on SOHPer TRM:StateofHealth(): 0x2E/0x2FThis command returns the state-of-health (SOH) information of the battery. StateOfHealth() is calculatedas a...
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LM5175: After varying the input voltage from 10 to 32VDC and vice versa, the...
Part Number: LM5175We are using the LM5175 as a DC/DC converter in trucks. The input voltage can be 12VDC or 24VDC and the output voltage is 15VDC. Both input voltages, 12VDC and 24VDC can vary, where...
View ArticleUCC28019A: Burning MOSFET and Diode by using UCC28109 for 1000W PFC flyback...
Part Number: UCC28019AHello sir,One of my customer is using UCC28019 to design 1000W PFC Flyback. The schematic is shown as the attachment. The customer is refer to PMP2552 TIDA. The input is 220VAC...
View ArticleTPS2660: surge and burst test
Part Number: TPS2660Hello team,I am looking for devices that protect boards operating in an industrial environment (19Vdc: 29Vdc) from under voltage and over voltage. I noticed TPS2660x and TPS2662x....
View ArticleWEBENCH® Tools/TPS54361: TPS54361-Q1
Part Number: TPS54361Tool/software: WEBENCH® Design ToolsIm looking for the work bench simulation carried out on this device How do i find it on E2ECheersColin
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