BQ77915: BQ7791500
Part Number:BQ77915Even though this device is not programmed by users, does this device have an internal programming voltage boost circuit for TI factory programming.We need to know this in order to...
View ArticleTPS51200: about cover the two DDR4 controller
Part Number:TPS51200Hi,Customers use TPS51200 in DDR4 circuits.Currently, one TPS51200 is used for one memory controller.However, customers find that the current is small,Customer is trying to use one...
View ArticleTPS563208: Negative current limit on the LSFET
Part Number:TPS563208Hello,I'd like to know if TPS563208 which has FPWM architecture has negative current limit on the LSFET.Regards,S.Sawamoto
View ArticleVREG5 output of TPS54328
We have a question about TPS54328.We want to check the relationship between output of VREG5 and temperature.For example, variation of VREG5 by changing temperature.Do you have the data or figure?Best...
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BQ24725A: Problems with inrush current.
Part Number:BQ24725AHello,The voltage of the adapter is 24V, the Li-ion battery has 3 cells and 10.8V.We have problems with the inrush current. When we plug in the adapter the ACFET will be turned on,...
View ArticleBQ21040: bq21040 with 3,7V Li-Ion battery
Part Number:BQ21040Hi all,I would like to use the bq21040 device to charge a 3,7V Li-Ion battery. Is it possible since bq21040 is set for 4,2V Battery?My concern is that the battery will never reched...
View ArticleTPS82085: TPS82085 - Schematic review
Part Number:TPS82085Hi Team,Can you review my design? Total current is 2.65A at 1.8v.Vin is 3.3vI not assembly R527.Thanks,Shlomi (Please visit the site to view this file)
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BQ25601: JEITA VSET value
Part Number:BQ25601Dear TI support members, Even if REG07 bit 4 is set to "0", ChargeVoltage does not become 4.1V.The following is the waveform of the charge voltage and charge current after NTC_FAULT...
View ArticleTL760M33-Q1: TL760M33-Q1 will be extremly hot
Part Number:TL760M33-Q1I use the TL760M33-Q SMD on our new design. I use an 0.1uF on input and and a22uF on 3.3 Volt out. The Part reaches over 100 degrees temperture. Is this normal?Maybe i use a...
View ArticleTPS54327: Recommended OFF-ON time
Part Number:TPS54327Hi Ti-teamTPS54327 don't have sinkTr.When EN is turned off, I think that the output decreases through the resistance of FB.I think that long time for the output voltage to drop.Does...
View ArticleLM3481: Layout guidelines for the SEPIC converter using LM3481
Part Number:LM3481Hello,Can you please share the layout guidelines for the SEPIC converter using LM3481
View ArticleLM53625-Q1: IWR6843 reference design
Part Number:LM53625-Q1Dear Sir.We follow the IWR6843ISK and its carrier board to design for industry product.Since we don't need the automotive grade IC, could you please provide industry grade part...
View ArticleBQ24650: Charging error Solar/USB
(Please visit the site to view this file) Part Number:BQ24650Hello All,I've been working on a schematic to switch between Solar and USB power charging using the BQ24650. The schematic is available in...
View ArticleTPS62262-Q1: Does the EN threshold have hysteresis?
Part Number:TPS62262-Q1We are enabling this device by connecting the EN to an LDO output that has a turn-on time of up to 500us and a fall time that is much slower. Will we have any problems with the...
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UCC27714: High side output goes into OFF state during 3-phase sinusoidal...
Part Number:UCC27714Hello TI, I have designed a three phase inverter for operating current control to an 3-phase inductive load(2.2mH per phase). Operation is stable at 60V and upto 16A rms current. If...
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ISO5852S: Soft Turn Off, when using the external current buffer circuit
Part Number:ISO5852SHello,when using a ISO5852S with the external current buffer circuit. How does the soft turn off function can be applied?When connecting the pins OUTH and OUTL as depicted in the...
View Articlemin safety isolate distance earth and phase for pcb fr4
min safety middle phase and earth single phase 220v how much for pcb fr4 and how much for 2 phase
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TPS65261-1: TPS65261 is not working
Part Number:TPS65261-1Hello,My problem is that the TPS65261-1 is not starting up.In the datasheet is specified that Vin is possible between 4.5V and 18V.I use 4.8V. In the datasheet is specified that...
View ArticleWEBENCH® Tools/UCC2897A: 72V to 12V , 500W DC -DC convetor with UCC2897A
Part Number:UCC2897ATool/software: WEBENCH® Design ToolsDear Friends,I want to develop 72V to 12V, 500W DC-DC convertor with UCC2897A.Active Clamp Current Mode Controlled Converter Using the...
View ArticleTPS61232: zero duty cycle mode
Part Number:TPS61232We are currently finalizing our design where we are using a TPS630242 boost convert to generate 5V power rail from a single cell litium battery. I have 2 questions for it.Will the...
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