Forum Post: RE: TI Replacement Part of LTC1471
The TPS2204A may be more competitive with respect to package size (24 pin vs. LTC 16 pin). TPS2204A datasheet indicates that 12V is not required (see pg 20).
View ArticleForum Post: RE: TPS2546 auto switching between SDP and DCP modes
Greetings and our apologies for the longer than usual delay in response time to your post.The CDP/SDP of TPS2546 is to solve some CDP non-compliant phones on the market. As some phones wrongly treat...
View ArticleForum Post: RE: DC to DC Converter
Dear Giora,I have not a schematic but its a simple project.you can use push pull forward converter at 100khz and its really easy to implement.24v is kind of better for higher efficiency.I think you...
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Forum Post: RE: Change a PT78HT205 into a PT78HT233?
PT78HT233S (2) is presently available for order from the TI distributor. There are presently 25- PT78HT233S uncommited modules available at TI US distribution center. Any TI Distributor can order...
View ArticleForum Post: UCC28701 / Voltage and current regulation
Hi Everyone,Now our customer is evaluating UCC28701 and they hope to achieve better voltage and current regulation. So can you please let us know which parameter we need to care to achieve better...
View ArticleForum Post: UCC28701 / way to add hysteresis for OTP
Hi Everyone,Now our customer is evaluating UCC28701. They need to use OTP by using NTC pin but they hope to have hysteresis for OTP threshold. Can you please propose additional external circuit to add...
View ArticleForum Post: RE: Configure VTI problem with advanced bqmtester on a 3 cell board
HI Dpk,I understand you have a 3s cell, but on the schematic of your board, for your 4th cell, is the pin floating or tied to pin 3p/ i.e is 3p tied to 4p on your schematic?thanksOnyx
View ArticleForum Post: RE: TPS61050EVM
They got two EVMs on different time so they had to to try different I2C interface
View ArticleForum Post: Behavior of UCC28950 at the time of the Vin drop
Dear, AllIn a customer, I performed a characteristic evaluation of UCC28950EVM-422.Because a voltage range of Vin is wide, I set Vin to 250V and do not cause malfunction even if PWM becomes long, or...
View ArticleForum Post: RE: No communication between bq500210 and bq51013A
Communications problems are a difficult problem.The bq500xxx will use a digital demodulation scheme to extract the communications packet from modulation on the coil voltage. Amplitude of this signal...
View ArticleForum Post: RE: hamming noises from bq500211
Does the Hamming Noise you describe should like the one heard in post “ Audible Noise from BQ500410AEVM-085” ?e2e.ti.com/support/power_management/wireless_power/f/693/t/278092.aspx
View ArticleForum Post: How do I read the .senc file from the 34z100
Hello,What is the procedure for reading out the .senc file from the 34z100 over the I2C bus. I presume that there is an I2C write to put the device into ROM mode like other devices, read out the file,...
View ArticleForum Post: RE: Using UCC28950 to get an AC output
Ali:I believe you misunderstood me. I am not going to have rectifier circuit (diode or power switch) after the the transformer. Instead, I have a LC type filter to get the AC output on the load.
View ArticleForum Post: UCC28070 simulation with TINA-TI
Hi,I want to simulate the UCC28070 with TINA-TI but the Pins 1(CDR) and 2(RDM) are missing at the simulation model and there are three pins (IRIPA, IRIPB, F_KHZ) at the simulation model which are not...
View ArticleForum Post: RE: LP2951DR / Reverse Current Protection
Ryuji,LP2951 does have reverse current protection. No diode is needed.
View ArticleForum Post: RE: Thermal resistance of Junction to Tab of SOT-223
Vignesh,The resistance is 9.4C/W Result- Theta JA-High K (standard datasheet value)60.2 Result-Theta JC, top (standard datasheet value)42.0 Result-Theta JB (standard datasheet value)9.4 Result- Psi JT...
View ArticleForum Post: RE: Thermal shutdown point of LM317
Vignesh,The value is vague, I agree. The circuitry is simple and the exact value can vary device to device. It is also not tested in production.The purpose of the TSD is to protect the device in rare...
View ArticleForum Post: Schematic of PMP7944 Reference Design
In aclassroom projectwe wouldlike to usethe newboost controllerLM5122.I have foundthePMP7944Reference Design(10.8Vinto13.2Vin;48Vout@7.3A;4-phaseSynchronousBoost Converter)on your website, which is...
View ArticleForum Post: TPS7A3301 get damaged after powering on after some time.
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: Analog front end for 14s cell monitoring
Start with your local TI sales office, they should know the best way to proceed.
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