Forum Post: BQ24133 for 9V adapter, 2 cell , 2A charge current
Dear Sir,We want to use BQ24133 EVM to do the 9V adapter, 2 cell(8.4V), 2A charge current.But the charge voltage stop in 8.2V when use 9V adapter, 2 cell, 2A charge current.Could you let me know the...
View ArticleForum Post: RE: Two Li-ion Cells Primary Protection IC
Please reply its urgent regardsTanvi Verma
View ArticleForum Post: RE: Can I set above 32Ahr in Qmax cell 0 with BQ34Z100EVM?
sorry. i missed model i used.I use BQ34Z100EVM.I designed 29.4V20.8Ah battery before. And i got value FCC and RM correctly.But I can't set FCC and RM correctly in the 29.4V49.4Ah battery.Please your...
View ArticleForum Post: RE: BQ29200 - Cell Balancing Circuit
I've got more questions to ask.1. Is recalibration necessary if there is an intentional change in temperature (i.e. turning on the heater)?2. What type of wire would you recommend to use for connecting...
View ArticleForum Post: RE: TPS65950 TPS65930: Some commonly asked audio questions.
Hi1.I want to have a constant output from the ADC of TPS65950 (in the main mic path) even with varying input levels.The minimum and maximum output at any time must vary by 3 dB only.From the data...
View ArticleForum Post: 24w and 50w high bay schematics
Hi sir/madam I want 24watt and 50watt led high bay drivers schematics and BOM , please could u able to provide
View ArticleForum Post: RE: LP38511 unity gain cross over frequency
Hello Donald san, Thank you for the explanation.I understood. I calculate Cff by the datasheet information to aiming 30kHz Fzero.Thank you very much for your great support . Best Regards,Ryuji Asaka
View ArticleForum Post: RE: TPS7A7300 EN pin
Hello,I have another question about LDO TPS7A7300 and its pin configurable voltage.http://www.ti.com/product/tps7a7300IC has adjustable output voltage with:- external resistor divider from 0.9V .. 5V...
View ArticleForum Post: LM5030 Push on time is different from Pull on time
(Please visit the site to view this file)Push on time and pull on time are different.The Push on time is different from Pull on time under conditions of follows【condition】 Vin:62V Vout:3.3V...
View ArticleForum Post: RE: LM5116 Vccx connection
Hi,In my implementations I have tied VCCX to 0V when it is not used.The LM5116 switches to the VCCX supply when VCCX is above 4.5V so to be safe tie it to 0V when not using it.H2H.
View ArticleForum Post: Coupled inductors in power stage
Coupled inductors in multiphase converters allow smaller output capacitors and hence an overall smaller design.Does Fusion Digital Power Designer support coupled inductors?If not, do I have to manually...
View ArticleForum Post: RE: LM5116 Failure at medium designed load.
Hi All,Just some extra information which isnt in the previous post:Switching frequency of around 230KHzOriginal design did use VCCX but this has been disabledsoft start time around 1 secondhiccup timer...
View ArticleForum Post: RE: Power-Mux: on of two power sources to power one load
Martin,thanks a lot for your help.I was shure that TI would have a part that fits to my application. But somehow I was not able to find it yesterday.Regards,Niels
View ArticleForum Post: RE: connection problem with bq500211A and BQ51050B. Maybe...
Ok, thank you for all your efforts!Kind regards Manuel
View ArticleForum Post: 24W AND 50WATT LED HIGH BAY DRIVERS
HI SIRI want 24w and 50w led high bay power supply driver circuit design could u please provide sir
View ArticleForum Post: RE: How do I operate a momentary 500mA current using PWM and...
Hi ,I have checked your schematic, your LED load current seems too heavy, have you noticed that there's a maximum load limitation illustrated in page 5 of datasheet. Current sink max. output current is...
View ArticleForum Post: RE: TPS61500 maximum value of Toff
Toff in the datasheet page4 means the time for the EN signal being low to shut down the IC. Here the minimun means you must keep the EN low longer than 10ms. So 10ms is the maximun value for this...
View ArticleForum Post: RE: TPS54318 PH pin overshoot
Thank you for your answer. I have observed the waveform by using GND spring. At that time, I observed 7.4V overshoot.But this time, I connect the probe to TP2 of EVM for GND and TP3 of EVM for PH...
View ArticleForum Post: 40W circuit,output 40V@1A
sir,I have been working on 40W driver with output 40V@1A with TPS92210.I need input OVP/UVP protection circuit.Its been tried but till now I have not achieved a right solution.There had been use of 4...
View ArticleForum Post: RE: Regarding TPS3828-33 watchdog IC
Hi, Kindly see the above schematics what I am using. In this i have removed the diode and capaicitor as well near the microcontroller. I have also tried with 100k and 10k instead of 47k. Then also...
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