Forum Post: RE: bq24610 HIDRV problem
Here is an upload of HIDRV and LODRV on my modified bq24610evm board. This is how these signals should look on my custom board.On the eval board, with a 12V supply voltage, HIDRV goes above 17 volts...
View ArticleForum Post: RE: Auto detect USB device TPS2511DGN
OUT will be connected to IN by the internal switch when EN = HIGH (no matter what is connected to DP/DM. You can find some characteristic waveforms in figure 6-15 of the datasheet.
View ArticleForum Post: LM5119
Hello!I am Park of Tabos in the south Korea.I need Solar Li-ion Battery Charging circuit.Input is DC 28~48V.Output CV is 25.4V. +/- 0.03V CC is 10~15A. +/- 10%Li-ion Charger is directly...
View ArticleForum Post: RE: need suggestion for design split rail power supply
dear giuseppe,my input voltage will be 24 DC. can i use tps 54160 ic .thank you for response Regards,Rahil
View ArticleForum Post: RE: Auto detect USB device TPS2511DGN
TPS2511 does this using DP/DM as explained in the DS.
View ArticleForum Post: RE: TLC5944 multiplexing problems
Hello Bruno,Use to have that problem back in the days is the SN74LS47. Adding 10k pull down resistors to the outputs fixed the problem of ghosting. You may want to go with the highest resistor value...
View ArticleForum Post: RE: charge pump circuit with lm2676 to get negative supply
Hi,Look at this threadhttp://e2e.ti.com/support/power_management/non-isolated_dcdc/f/196/t/172246.aspx
View ArticleForum Post: RE: Thermal pad of TPS61042
thanks for the reply Cris....can you tell me what is input hot plug overshoot? also tell me the full form of FAE...
View ArticleForum Post: WINDING INFORMATION FOR PMP5500.1 USING UCC25600
Dear Sir,Require all the transformer winding information for the above solution,thanks and regards
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Forum Post: LP2989 accuracy of full Temp range
Look for a high precise LDO in full temperature range. We find the LP2989 is 0.75% output voltage accuracy.Please find the datasheet page5.Do this mean this device could get 0.75 % output voltage...
View ArticleForum Post: RE: TPS92510 issues
Was R4 and R6 values changed? These are usually changed in pairs to maintain hystersis. Also the new turn on voltage must be set higher than the LED string voltage otherwise the output will go to...
View ArticleForum Post: RE: TPS92560 and TPS92075
To answer your questions:Q1 The TPS92560 is a new product and I will inquire as to compatibility with low voltage triac dimmers and what testing has been done..Q2 The TPS92075 is intended for off...
View ArticleForum Post: RE: BQ24160RGEEVM-742 USB charging issue
I did this test with TI EVM board. Is the circuit you mentioned inside?Would you tell more about the necessary condition for "charging done" status?Thank you very much.Halle Juan
View ArticleForum Post: RE: TPS60403 - problem with output voltage
John,you are right. I should switch on my brain.... I orginally designed the pcb board for TPS72301 and TPS72325 but than I mounted TPS73233 and TPS73225.Bernhard
View ArticleForum Post: RE: Questions about QEN BQ34Z100 after learning.. ?
ShinIt sounds like you have completed the learning cycle and Update Status = 06. You can follow the guidelines in SLUA334B to update the gg file and create the golden file. The production flow is...
View ArticleForum Post: RE: bq78PL114S12 - Max Error on SBData dynamic tab
Wim,At start of the device or after an initialization command, the value is 10. It is set to 1 when capacitylearning takes place. The value increases by 1/20 for each cycle that goes by without...
View ArticleForum Post: RE: How can I find LM2577 in SwitcherPro Desktp device list
The LM2577 is an old, obsolete part. You can try to use Webench instead of SwitcherPro. Also, you may want to look at the LM2587/86 family they are more up-to-date.F.D.
View ArticleForum Post: bq34z100 FCC update timing and condition
Please teach me the FCC update timing and condition about bq34z100.
View ArticleForum Post: RE: TPS65105 voltage booster Ic heating problem
Hello Sangili,The schematic shows no problem. The negative voltage is most probably coming from the charge pumps that are connected to the boost output. Both charge pumps are still functional and will...
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