BQ76940: XREADY Fault on wakeup
Part Number:BQ76940Hey hi ,I am continuously getting XREADY Fault on my board , and I know the reason that voltage across CAP3-VC10X is not 3.3V.But don't know why this is so , CAP2 and CAP1 voltages...
View ArticleBQ2012: bq2012
Part Number:BQ2012Dear friendI use bq2012 in my project (NIMH 6S1P), By EV2300, I write the RST register (39h) content (00). But the LMD did not reset to PFC. I have to disconnect the cell to...
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TPS2378: Class 4 minimum power requirement
Part Number:TPS2378According to table 1 of the TPS2378 datasheet, the class 4 minimum power requirement is 12.95W. We have an application that "switches" between low-power (~5W) and high-power modes...
View ArticleREF5050A-Q1: my customer want to look for a low cost reference solution as...
Part Number:REF5050A-Q1Hi team,my customer want to look for a low cost reference solution as REF5050.1. 5V2. accuracy≤0.5%；3.≤50ppm,4. current<100uA5. Q gradewe have found the TL4050B50, whether...
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UCD9248: Software problem on using UCD9248
Part Number:UCD9248As I fail to use UCD9248 to produce the correct programed power. I write my design and download operation in detail. Hoping you can help solving the problem. Thank you.1. Make...
View ArticleUCD9248: Data Flash and Program Flash in UCD9248
Part Number:UCD9248Is my following understanding correct?Data Flash and Program Flash exist in UCD9248. User can download firmware to data flash but not to Program Flash. User firmware is only...
View ArticleBQ76940: schematic design questions
Part Number:BQ76940Dear Ti Experts,I'm designing a product with bq76940 and I have a few schematic questions. Please help me to figure it out.Q1:I noticed that a diode is connected from VC5 to VC5X in...
View ArticleLM5020: 80V DC to 160V DC Boost Regulator - Reg
Part Number:LM5020Dear all,We are proposing to use LM5020 IC to convert from 80V DC to 160V DC.Output current is around 9 Amp.With the reference circuit of PMP10523 as base, whether it is possible to...
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TPS2051B: OC pin question
Part Number:TPS2051BDear Sir.We use TPS2051B. Measured TPS2051B when the power supply (VIN) is started.OC pin will have 65us low signal. Is this OC pin low level internally issued?If so, can I ignore...
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TLV62585: Current limit of Output Discharge FET Switch ?
Part Number:TLV62585Dear allAbout Output Discharge function, I have two questions as below:1. How many is current limit of Output Discharge FET Switch ?2. How much maximum value of Vout cap that could...
View ArticleBQ78350-R2-DEVICE-FW: Pre-discharge on low side ?
Part Number:BQ78350-R2-DEVICE-FWHi all,Can I'm using BQ78350-R2 with the AFE BQ769x003 and pre-discharge function on low side (N-FET on PACK-) ?BR,Loïc
View ArticleTPS62125: Regulating voltage below 1.2V
Part Number:TPS62125Team, I have a customer wanting to regulate a 1.02V output, and they have been using TPS62125 to do this. That said, they reached out, as they just discovered that the minimum limit...
View ArticleBQ24079T: pre-charge current at USB100 mode
Part Number:BQ24079THi team,The pre-charge current is set by Kprechg/Riset where Kprechg is 70(min)/88(typ)/106(max).Is the equation still the same when in USB100 mode? (EN2=0, EN1=0)Thanks.Regards,Allen
View ArticleUC1843A-SP: Feedback and isolation
Part Number:UC1843A-SPHi,I have a customer interested in the UC1843-SP.Please help answer the following question. I saw the sample circuit in the datasheet and the TIDA-070002 circuit, I’m not quite...
View ArticleTPS54060EVM-590: Mounting hole dimensions
Part Number:TPS54060EVM-590I am looking for the hole size and distance from the edge of the board for the 4 mounting holes. I was unable to find the information in the datasheet.
View ArticleBQ24160: BQ24160 USB usage
Part Number:BQ24160Hi,I'd like to use BQ24160 in an application, where I would like to use USB for fast charging trough BQ24160, and use the USB for communication too. How can I connect the data lines?...
View ArticleTPS54060EVM-590: Mounting Hole Dimensions
Part Number:TPS54060EVM-590I am looking for the hole size and distance from the board edge for the 4 mounting holes on the TPS54060EVM-590 eval board. I was unable to find the information in the...
View ArticleBQ40Z50-R2: Why OCVFR Bit Set ?
Part Number:BQ40Z50-R2I got an issue during I was doing golden cycling for my bq40z50 based 4S16P battery pack.I cannot get it successful, QMax and Ra table cannot be updated automatically after...
View ArticleTPS56221: Inverting Buck-Boost for split-rail output
Part Number:TPS56221TI,I had been exploring the forum for new components I'd like to try out soon, and I was looking at putting together a simulation for the TPS56221 in an Inverting Buck-Boost...
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UCC28810: DESIGN INFORMATION
Part Number:UCC28810Hi sir,I was designing an LED driver circuit with reference to PMP4862. But I couldn't find the information about the transformer T1. Can you help me find the information like...
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