Forum Post: Could you recommend a solution of negative output LDO?
Hi, I'am looking for a LDO for Vin=-5.2V to Vout=-0.9V/200mA. I've seen tps72301, but the Vout_min is -1.2V. Thanks.
View ArticleForum Post: Ext MOSFET for TPS61500 to let it supply 60V output
Hi,Currently we are designing TPS61500 for their 40V LED driver, we plan to modify it to 60V output, but understand that TPS61500 has an internal MOSFET that limit the Voltage to 40V. Is it possible to...
View ArticleForum Post: bq3060 gas gauge data flash
hello,Can any body explain me thatthe real meaning of LT/ST1/ST2/HT Chg Voltage, is this voltage is equal to the battery charge voltage.or it is a different value from the battery charge voltage. How...
View ArticleForum Post: TPS65217A PMIC IC doubt
Dear Sir/Madam, In our Project we are using TPS65217A PMIC IC. We are giving External power supply i.e 5V then this 5V is given to TPS65217 IC 12th Pin and see the SYS o/p pin no 7 and 8 but we are...
View ArticleForum Post: TPS2010A Not limiting the output current
Hi,We are using TPS2010A in our application.An regulated 5v@1A input is given to TPS2010A and we are expecting the load to limit for 5V@ 200mA even if i connect more than 200mA load.But in our case the...
View ArticleForum Post: TPS7A4701RGWT
Could anyboby please comment on the planned availability of this device?Thank you
View ArticleForum Post: RE: High accuracy DC/DC converter
For DCAP2 use TPS54627 but it is 2% accuracyFor current mode control TPS54618 or TPS54678 is 1% accuracy.For voltage mode contrl TPS54610 is bettr than 1% accuracy. It is specified at 1% but the...
View ArticleForum Post: RE: BQ77PL900 Shutdown
To enter shutdown the PACK pin voltage must drop below the wake threshold. Normally with a circuit like the simple system diagram around the block diagram of page 6, you will need to turn off the DSG...
View ArticleForum Post: BQ27200 EEPROM needed or not
Hi all,it is a topic that was discussed here before but not cristal clear and it is pretty crucial for design.We plan to go into mass production with this chip and our designed PCB containing it.we...
View ArticleForum Post: bq34z100 TS pin pull-down
What is the pull-down resistor value on the TS pin inside the bq34z100? I want to calculate what volatge appears at TS and what current flows through the external thermistor (e.g. Semitec 103AT)? Is...
View ArticleForum Post: RE: BQ20Z75 Remaining Capacity, Remaining time to Empaty and...
Jayesh,The CUV flag should get set and that is okay. It will not prevent charging and it will clear as soon as the cell voltages reach the CUV Recovery threshold.You do not have to discharge the cells...
View ArticleForum Post: RE: BQ24610RGET Battery charger minimum output voltage
Hi charlesWhat is the minimum battery charging voltage i can design when the adapter input voltage is 5VDC.
View ArticleForum Post: RE: TPS84A20 exposed thermal pad dimensions and location not...
That's it !Thanks a lot !
View ArticleForum Post: RE: Is the PMP8372 reference design available for purchase?
Hi Nathan,Send me an email with your shipping address and I can have one shipped to you.jarrigo@ti.com
View ArticleForum Post: RE: USB input, LiPo storage, 3.3V output
Yes. The /CHG output is independent of the safety timer. The /CHG only goes low for NEW charge cycle. A new charge cycle is started by VSUPPLY POR or battery remove and replace. If you are in a...
View ArticleForum Post: TPS73133DBVR Failure
I am seeing a failure with my 3.3V LDO regulator. I am using the TI TPS73133DBVR and on four prtotyple boards out of 20 the regulator does not regulate it's output.The input voltage is normally 5V and...
View ArticleForum Post: RE: TPS65951 Configuration Questions (VBAT Turn-on, Hands-Free...
Hello,I am working on DM3730 based project in which we are using PMIC TPS65951.We are using audio codec of PMIC.In our design we are planning to implement :On board mic and speaker.Headset mic and...
View ArticleForum Post: RE: bq25504 undervoltage protection
Dear Yogesh,We have the same issue with our design that has a 25F 2.7V supercap. I have read your proposed solution, but I don't understand it at all. Will the buck converter be placed between VSTOR...
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