Forum Post: UCD90120A watchdog input pulse width minimum time
The data sheet references Twdi many times but the electrical specifications do not mention the minimum Twdi pulse width (low or high).What is Twdi minimum low time?What is Twdi minimum high time?
View ArticleForum Post: RE: TPS386000 +/-15V example of the datasheet
Hi Antoine,Thanks you for your comment. It seems the equations are correct but the resistor chosen is incorrect. Please continue to use th equations and we will work to change the Figure.Regards,Darwin
View ArticleForum Post: RE: bq2954 charge management IC, Vin needs to be changed...
hey guys could you please help me if you have any idea for my project. i was looking for an ic for two Lifepo4 cells connected in series and have three terminals.likebattery positive , battery...
View ArticleForum Post: RE: BQ51013A - Charging Indicator
Hello Derek,For an open drain output, a pull up resistor of 10K or higher will allow you to get a signal to your MCU.Thanks,
View ArticleForum Post: RE: questions about BQ76PL536A
Hi Zhanyu,Yes, it is true that the REG50 is automatically disabled and left as a floating output in sleep mode. However, this is not the only instance that REG50 is shut off. The REG50 output "may be...
View ArticleForum Post: RE: bq2954 charge management IC, Vin needs to be changed...
Chargers do not monitor and balance individual cells. You need a gas gauge and to get help with that, please post in the gas gauge forum.
View ArticleForum Post: RE: History Time Stamp
StephenWe have found that the Epoch Hour does not always increment when the device is in Standby or Ship mode.RegardsTom
View ArticleForum Post: bq27541-v200 fuel gauge learning cycle issue
Dear TI!I have a high power application based on MOLI-IBR18650B cells.There are 16 paralell connected cells in the battery. I divided the current and capacity range in calibration because I have...
View ArticleForum Post: RE: TPS65105 voltage booster Ic heating problem
we are using Tps65105 booster Ic for our LCD panel application ,there the board is goes to off condition probably reset condition mean drive LED is blinking once then after 10 are 20 seconds its goes...
View ArticleForum Post: RE: TPS61071 ripple when Vin is near Vout
The larger capacitors are the best way to reduce it, though the Cff should help further. It's never required but does help improve the transient response. I would just leave it off if your...
View ArticleForum Post: RE: lm2991 Thermal Pad Connection
LM2991 Negative Low Dropout Adjustable RegulatorThe thermal TAB is internally connected to INPUT at device pin 3 through the package lead-frame. No external connection between the TAB and device pin 3...
View ArticleForum Post: RE: BQ51013B resonance circuit
Hi, There is no issue combining them together as long you have the right cap value and voltage rating. Did you get your board is tuned? If not please contact local TI sales office to provide with the...
View ArticleForum Post: RE: BQ51013A - Charging Indicator
Will the output be active if the receiver is still in the presence of a transmitter even after the battery has been fully charged? (i.e will the LED turn off after charge has completed or is there a...
View ArticleForum Post: RE: LM2751 / Introduction of an LED driver
Hi yusuke,You could refer to the datasheet of the LM3410 figure 7 (DIM Freq and Duty Cycle vs Avg I-LED) and estimate what dimming ratio you could obtain at different PWM frequencies. Concerning...
View ArticleForum Post: RE: Clearing DFETF?
JeanYou will need to send the IT Enable command after you have completed setting up the device and you can still change parameters after you send the command. I would hold off on sealing the device...
View ArticleForum Post: RE: bq3050 calibration with bqEVSW PC software
UlrichI tested this on my setup and did not encounter any problems. I may be a compatibility issue with your computer.RegardsTom
View ArticleForum Post: RE: LM1084 it5.0
Thanks Avi, I am trying to help my kid with his school assignment. Let's see if I can make it for him.
View ArticleForum Post: RE: TPS3838 current leakage problem
No need for a schematic. CT = GND, VDD = 1.8V, MR# = no connection, RESET# = 65k pullup to 3.3V and goes to input of CPLD.RESET# is an output pin, not an input pin. Datasheet indicates maximum voltage...
View ArticleForum Post: RE: Process technology
Hi Nick,Thank you for your post. All the devices you mentioned are using a BiCMOS process. Please see below for their MSL ratings:TPS76630D - MSL1TPS76815QPWR - MSL2TPS75701KTTT - MSL2TPS75225QPWP -...
View ArticleForum Post: RE: Output based on input voltage (DC) variations.
Hi Dhirendra,Thanks for your reply. Your question is better suited for the MSP430 forum. Please visit the link below and re-post as the engineers covering that forum will be able to help you out...
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