Forum Post: RE: TPS7A3301RGW regulator reliability
I have used two TPS7A3301 regulators to provide supply for identical circuits on the same board. Layout of both regulators are almost similar. Out of those one regulator get damaged after powering on...
View ArticleForum Post: RE: bq24100: Disabling the safety timer
Refering to the functional block diagram, any DC voltage will stop the oscillator and thus the counting.If you want termination then stay above 0.25VDC and to qvoid counting by noise, stay away from...
View ArticleForum Post: LM2673-ADJ
H, I need help. I am using LM2673-ADJ in configuration Buck Converter to Convert Voltage from Vin=35V to Vout=26V.I can not to understand why if I use it like linear pre-regulator, therefore in my case...
View ArticleForum Post: RE: BQ27200 EEPROM programming difficulties
I guess I need to post my own reply...So, in a disturbingly common trend, I got no actual help from TI on this issue. To my dismay, I had to buy the EVM for this particular IC and reverse engineer it....
View ArticleForum Post: RE: Probably an Easy Question about the FusionFirmwareDownload...
Forum is preventing me from posting an image right now, I'll try to update later
View ArticleForum Post: LM3480 Operation at extreme low temp
We are looking to reuse the LM3480 device in a new application whose operational temp range could be as low as -55C. The datasheet reports that the operating temp range is -40C. What will happen to the...
View ArticleForum Post: TPS65951 Transition Registers
Hello,For manufacturability, we decided to change from the TPS65950 to the TPS65951. One of the nice features of the TPS65950 that we were utilizing were the CFG_Px_TRANSITION to mask transitions....
View ArticleForum Post: RE: Using UCC28950 to get an AC output
In this case you have to use a transformer designed for the AC frequency eg 60Hz.What you said is done in older pure sine wave UPSs with iron core transformers.If you want to have a small DC/AC with...
View ArticleForum Post: RE: 1500 watt Ac-Dc
The best solution for a high end high power charger is using DSP or uController.Battery voltage increases very slow and the control loop impelemention is very easy but when using digital the charger...
View ArticleForum Post: RE: TPS61050EVM
Hi Chris, need to drive a WLED at 150mA, and 500mA peaks. Vin=3.3VThe operating LED voltage: 4.0v - 5.4v, OVP above 5.5VEli
View ArticleForum Post: RE: Driver for common cathode matrix
Abel,I'm not sure if this is what you're looking for. Does this help? It shows two sets of LEDs (3 per column, 8 columns) that are used in a matrix. Additional sets of 8 could be added for the...
View ArticleForum Post: TPS53319 Power On with 12V
Hello, i am interested in using the TPS53319 for my application. I want to power it with a 12V source and step down to 5V10A. The problem is, i can use a maximum of 6.5V for the EN Pin (datasheet), so...
View ArticleForum Post: LED Power Management/Software
FIT Mackbook Air A1245 inA1369 But for Power change needed
View ArticleForum Post: bq78PL116 .aux question
Dear TI FAE :I made reference to TI slua505 aux but following this problem.There was an unknow problem : Can't find header in log file.Consult TI documentation for troubleshooting.I ask this is my...
View ArticleForum Post: RE: Flyback reflected voltage
Dear Lisa,I am designing the flyback adaptor with UCC28600. Some parameters: Vin_min = 80VDC, D_max = 0.47, Vo' = Vout + Vf = 19 + 1 = 20VDC.But i wonder how to right calculate n = Npri/Nsec.Following...
View ArticleForum Post: RE: CSD25401Q3
I am new at circuit designing, Please help.I have made a circuit using CSD25401Q3 as a laser driver to generate ultra short pulses.LMH6554 is used to generate short pulses of width 50-100 ns, I have...
View ArticleForum Post: RE: BQ24450 pass transistor
Thanks Charles.That question has been resolved.Another Question though,what will happen if I plug in the Charging source at one end without pluggin in the battery at the other end? Will the voltage at...
View ArticleForum Post: RE: BQ24450 Pass Transistor Configuration
Another question,what will happen if I plug in the Charging source at one end without pluggin in the battery at the other end? Will the voltage at the collector continue to rise in the absence of a...
View ArticleForum Post: RE: BQ24450 help
Another ques,what will happen if I plug in the Charging source at one end without pluggin in the battery at the other end? Will the voltage at the collector continue to rise in the absence of a battery...
View ArticleForum Post: RE: EV2300 end of line tester
Jackie, Could I please have the source code for bqMeter or bqTester? Email is ben@tyroev.com
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