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TPS2378: Non-isolated PoE Buck Converter for 24V/0.5A output.
Part Number: TPS2378Hi,I have referred PMP10812- Class 2 Non-isolated PoE Buck Converter (5V/1A) Reference Design.http://www.ti.com/tool/PMP10812http://www.ti.com/lit/df/tidrtg6/tidrtg6.pdfBut my...
View ArticleBQ79606A-Q1: monitoring cells connected in parallel
Part Number: BQ79606A-Q1Hello Team,I have a very basic question on cell balancing circuit.For a 48V system, one of my customer is planning to use 14S24P configuration. Can they use a single channel of...
View ArticleBQ78350-R1: Charging Current Value mismatch
Part Number: BQ78350-R1Greetings ,I am using BQ78350 for my battery management system. I am analyzing BQ78350 register values using BQStudio. On the AFE side I am using BQ76940 connected to 15 cells of...
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BQ34Z100-G1: BQ340100-G1 SOC issue during charging
Part Number: BQ34Z100-G1Hi:we have designed a BMS wih 8s1p Samsung 18650,using BQ76930+BQ34Z100-G1 topology.I found some products SOC curve is normal and continuity during charging,but there are some...
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LM73605: abnormal SW waveform
Part Number: LM73605Hi team,The SW waveform of LM73605EVM_5V_400K is abnormal when I made the following changes.R2 changed from 100k to 52k and the output became 3.07Vadd 4.7R in series to boot cap...
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Charging super capacitance only with constant current
Hi,Can i just use one phase: constant current to charge super capacitance? I want to know the difference between this kind of method and the typical charging method like the image below. Does the...
View ArticleUCC256301: Transformer data
Part Number: UCC256301Hi,For the design of UCC25630-1EVM-291 (SLUUBQ8B) can you please give the deatails and datasheet of the transformer with part number RLTI-1233(S40071).RegardsNidheesh.
View ArticleUCC256301: Cad files not found
Part Number: UCC256301Hi,can anyone please provide the CAD files of design files of SLUUBQ8B (UCC25630-1EVM-291 Rev. B).(For Altium software.)Thanks.
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TPS82130: TPS82130 outputing a voltage when enable pin is low
Part Number: TPS82130Hi,I have a design where my on board switch is connected to the positive and negative terminals of my battery. The switch output is connected to the TPS82130SILR enable pin. When...
View ArticleLM5085: input power range smaller than webench design
Part Number: LM5085I have designed a dc/dc converter from 10-60V to 5.00 V @ 1A with LM5085MYX/NOPBAfter the build with exact the listed components the supply is working only between 7- 20 VoltWhat...
View ArticleTPS61030: Backup Power Solution Using Supercap with TPS61030
Part Number: TPS61030Hi,I read a document named Backup Power Solution Using Supercap with TPS61030 for Data Concentrator Circuit http://www.ti.com/lit/ug/tidu594/tidu594.pdfIn the document, it says...
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BQ24640: Backup Power Solution Using Supercap
Part Number: BQ24640Hi,I have just read this document http://www.ti.com/lit/ug/tidu594/tidu594.pdf.In the document, it introduces a block diagram (attached below) to charge the super-cap.Its says that...
View ArticleWEBENCH® Tools/LM3414HV: Part similar to LM3414 with higher current
Part Number: LM3414HVTool/software: WEBENCH® Design ToolsWe are currently using the LM3414HV part in our system. It works very well with our proprietary duty cycle LED dimming algorithms. This is...
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TPS62122: External Soft Start Circuit for Long Distance Power Source
Part Number: TPS62122This is related to an earlier question we asked, link aboveWe are designing a 12V to 3.3V (Buck + LDO) Power Supply for Bluetooth MESH network. We are using TPS62122 to step down...
View ArticleBQ20Z95: ROM mode
Part Number: BQ20Z95Hi Tierwhich command can let BQ20Z95 into ROM mode?thanks
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UCC24624: No drive waveform, from no load to full load
Part Number: UCC24624Hi Tiers:I'm using the UCC24624 in my 24V10A AC/DC power supply project,but i find UCC24624 has a samll issue:when the load change form no load(24V0A) to full load(24V10A), the SR...
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BQ40Z80: BQ40Z80 CHG/DSG driving problem: FETs gate resistors selection & PBI...
Part Number: BQ40Z80Hi,I am adopting a Bq40Z80 circuit of 3 parallel mosfets in CHG/DSG, so I'm trying to increase the driving efficiency of Bq40Z80's pin CHG/DSG.I'm thinking about two things :1....
View ArticleUCC28070: Review Signals & Voltages
Part Number: UCC28070UCC28070: Courtesy ReviewPart Number: UCC28070Parameters:Vin = 120VacRMS, fsw = 100KHz, Pout = 5000 watts, fline 47-63 Hertz,Vout = 390 V,...
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TPS2113: tps2113 becomes very hot!
Part Number: TPS2113Hi I want to use tps2113 in my design. I have two power supply. first one comes from USB and the other one comes from another power supply. I want to select available power source....
View ArticleBQ40Z80: Can't communicate to BQ40Z80
Part Number: BQ40Z80Hi,I 'm doing a circuit about BQ40z80 and communicate to BQstudio by EV2400.It could have been normal communication to BQstudio, but suddenly it didn't work. Bqstudio can detect the...
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