TPS22975
I had this question under battery charger bq25601 and I was requested to submit it under the TPS22975 section.The question or my concern is regarding selecting the Cin cap: I went a bit more through...
View ArticleLP8860-Q1: Boost Adaptative mode does not work properly when in Display Mode
Part Number:LP8860-Q1In my application we use 45V or more to light up 4 separate strings of LEDs , and I'm not able to make them to light up when Adaptative Boost Mode is enabled Here follows the...
View ArticleBQ20Z75-V180: System shows RSoC=0%, abs. charge 89 at power-up
Part Number:BQ20Z75-V180Logfiles from a system using a bq20z75 show that when the system was powered off:RSoC = 93%absoluteStateOfCharge = 81Cell voltages = 3926, 3927, 3925, 3934mVbatteryStatus = 0x80...
View ArticleUCC28704: VCL and Region working in UCC28704
Part Number:UCC28704Hello team,How do I calculate VCL?How does Control Law works?How can I determine which region to work in?Best regards
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LP5907: Partially on state
Part Number:LP5907I have an LP5907MFX-3.3 deployed on a design and am experiencing odd behavior where the regulator turns slight on with an odd waveform, and after a period of time turns on fully,...
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TPS40210: TPS40210 cannot boost
Part Number:TPS40210Hi Sirwe use TPS40210 design as for Vin:12V, Vout: 24V/6A according to the recommended circuit of TI Webench, however,when the load exceeds 1A the TPS40210 will be not boost, we...
View Article[FAQ] TPS2546: EL_9 certification test J D- voltage.
Part Number:TPS2546If a standalone battery charging device (TPS2546) is used on a downstream hub/host port with CDP mode enabled, then the USB 2.0 Hub/Host Downstream Port Test J portion of the...
View ArticleLM5041EVAL: Dead-time adjustment Buck Stage
Part Number:LM5041EVALHi Sir,LM5041 has a feature of programmable dead time or overlap adjustment for Push Pull. Do we have any option to adjust the dead time of buck stage (HD and LD pulse)? How can i...
View ArticleBQ24780SEVM-583: Battery Discharge current goes to Zero
Part Number:BQ24780SEVM-583Hi Team,I am using the BQ24780SEVM for smart battery charge and discharge cycle. I have set the value 1% RSOC to charge the battery again,while discharging the battery at 1A...
View ArticleLM5017: Central Repository to Flybuck Calc xlsx
Part Number:LM5017Hello TI,Kindly point me to central repository for latest proven version of Calc xlsx sheet (Tried search in TI e2e as well as google, but all lead to e2e forum only)One gets to see...
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LM5117-Q1: In my design I am using EPC2020 eGaN as a power switch with LM5117...
Part Number:LM5117-Q1In my design I am using EPC2020 eGaN as a power switch with LM5117 synchronous buck controller IC . So to drive these GaNFET I want to connect external gate driver LMG1205 to...
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LP87702-Q1: LP87702 - Input circuit: One or Two?
Part Number:LP87702-Q1The datasheet for the LP87702-Q1 Evaluation Board Schematic (below) shows two input circuits for VIN_B0 and VIN_B1 even though the input voltage VIN is the same for both.However,...
View ArticleBQ77PL900: problem facing in over voltage condition and in discharging...
Part Number:BQ77PL9001. Not getting VREG1 and VREG2 for first time use until BMS charged once up to pack voltage.2. In over voltage condition charging mosfet not getting OFF.3. Some time resistor...
View ArticleBQ78350-R1: How to know whether battery is over charged/discharged?
Part Number:BQ78350-R1I am using BQ78350-R1. Is there any command to know the battery is over charged/discharged?Is there any other procedure which will tell us the battery is overcharged/discharged.
View ArticleTPS54561-Q1: Efficiency graph at 1Mhz switching frequency
Part Number:TPS54561-Q1What will be efficiency of converter when operated at 1Mhz switching frequency ? Input voltage =28V, Output voltage =7.5V, Output current =1.25A.Im getting efficiency of 80%. Is...
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TPS92640: Please help to review the design of TPS92640
Part Number:TPS92640Hi, This is the first time of my customer to use TPS92640 to drive a Laser diode. please help to review this design. thanks.
View ArticleTLV711: Asking for how to measure the LDO PSRR
Part Number:TLV711Hi Team,Could you please let me know how to perform the PSRR measurement and the what the scope or environment setting need?BR,SHH
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TPS25927: Asking for the TPS259271 application
Part Number:TPS25927Hi team,Customer is evaluation TPS259271.Figure 43 is captured from TPS25924x datasheet.Could I use the same circuit to TPS259271?Does OVP function 20Vmax still work well if Vout...
View Article12V 18ah li-iron Battery charger with 12- 24V supply input
Hi,I am looking for 12.8V 18ah li-iron Battery charger with 12-24V supply input . Can you please suggest the Battery charger IC.Thanks and Regards,Sankar.K
View ArticleBQ27532-G1: Chem ID for Varta Battery for use with BQ27532
Part Number:BQ27532-G1Hello,I am using a battery from Varta, did a learning cycle and used the online chemid tool to get a chem ID. Not sure which Chem ID i should use? or if I need to send in a...
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