Forum Post: RE: BQ24092 led problem
No, the only path of the Vin is from the microUsb to the IC (with capacitor).
View ArticleForum Post: RE: CB Report of TPS2069DGNR
Thank you for your responce.This is my E-mail address.shoji_makino@marubun.co.jp
View ArticleForum Post: RE: UCD3138 Getting Started & Sample Code
Hi Jia,Did you got code for UCD3138 ? Is it working now ?
View ArticleForum Post: RE: TPS 40304 Start up problem
I would suggest checking the section "Enable Functionality, Startup Sequence and Timing" of the D/S on the chip for the 6.5V input voltage.So, to measure the voltage on the EN/SS pin and when this is...
View ArticleForum Post: RE: TLC5927 daisy chain question
Hello Dick, Sorry for the late reply, I just check you already reply me.1) You said that if a TLC is being driven a another TLC a pull up is not needed. Do you know if there is any distance constraint?...
View ArticleForum Post: RE: TPS65851 datasheet n info,pls
can u share me how to get it datasheet ?(free / buy)br
View ArticleForum Post: Please suggest regulators
Hi All,I am having input voltage for the system as +5 V. Please suggest me a regulator with min 4.5<=Vin<15 and Vout = 5V. with min load current 600mA and above.Thank you.Regards,- Anand Meharwade
View ArticleForum Post: Transmission problem
Hi,I recently acquired bq500211AEVM-210 and BQ51013BEVM-764 but they doesn't seem to be working.I've connected the transmitter to a DC-source that supplies 5V and around 35mA to the transmitter and...
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Forum Post: TPS2501 Quiescent Question
Hi,I can't complete understanding the Iq for TPS2501. VAUX is an output to USB pin. If the VAUX Iq is 380uA, the Vin Iq should be 665uA.380uA*5.2V/90%/3.3=665.3uA, Vin Iq = 13uA+665.3uA=678uA. Am I right?
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Forum Post: LM5072MHX-80 POE NOT Isolated 5V 1.5A
Hi all,I use LM5072MHX-80 in PD Solution with Buck Topology (NOT Isolated solution).All is OK with 5V 1A output (ripple 20/25 mV), but if the load absorbs more than 1A (1.5A in normal condictions) the...
View ArticleForum Post: RE: LM3488 moving to LM3481
Tirggered by your question of the advantage of the LM3481 over the LM3488, a little remark, probably not the solution for your over current problem:C6 should be connected directly to the ISEN pin. It...
View ArticleForum Post: MOSFET based design to replace Oring doide
Hi All,Could any one please suggest me a part number to replace oring diode with the MOSFET based design.Input voltage - +5VI can share some more inputs if requiredThanks in advanceRegards, -Anand...
View ArticleForum Post: RE: TPS542941 SW pin abnormality
I can try it but it may take a few days time.
View ArticleForum Post: RE: Is there an IC that fully utilises the available current from...
[quote user="Michael Allwright"]The datasheet for the bq24160 states that if a CDP/DCP host is connected the limit will be increased to draw up to 1.5A, doesn't this then violate the standards set in...
View ArticleForum Post: LP38693SD Ven to Vout delay time
Hi There,We have a battery powered application that consumes typically a few tens of uA in its low power mode.The system uses two LP38693 regulators: -LP38693SD-3.3LP38693SD-5.0When the system is woken...
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Forum Post: LM3410Y problem
Hi, I have a circuit with LM3410 to connect a backlight of display Ampire AM320240L9TNQW-00H. the circuit not working, at input voltage is equal to the output voltage (5V) and not have FB voltage, the...
View ArticleForum Post: TPS40090 together with DRV8432
Hello, I have to design a DC/DC step down with the following specifications: Uin=48V, Vout adjustable 20V – 35V, Iout adjustable 0 -15A, Ripple current <1%, Setting resolution 10mA.I can not find...
View ArticleForum Post: RE: TPS51367 ULQ Mode
John-san,In standby mode, does the device switching stop?What is the difference between standby mode and shut down mode?
View ArticleForum Post: TPS65910A3 Power up without a switch / button
Hello Everyone,We have recently switched our main processing core to use AM3359 and are in the process of developing our first board with the AM335x Starter Kit as reference.We definetely need our...
View ArticleForum Post: RE: TPS61020 output voltage drift
Theoretically, the ESR will cost some efficiency. But I think if you run the numbers using standard boost converter equations, you will find that it is nearly negligible.
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