Forum Post: RE: 110/220 VAC to 12 KVDC Push Pull supply?
Gary,Most any of our power controllers with dual output capability will provide the control. See attached document starting at page 50 with the dual output controllers on page 53 and 54 and choose what...
View ArticleForum Post: question
We have been using BQ2060A circuit but now we would like to replace it by BQ20Z655. When testing BQ20Z655 circuit a failure appeared. After discharging of 4S1P cells it was not possible to start...
View ArticleForum Post: RE: TPS23851 classfication(LLDP)
According to the IEEE802.3at specification, a type 2 PSE that does not provide 2-event physical layer classification must provide data link layer (DLL) classification. A PSE using TPS23851 for ethernet...
View ArticleForum Post: RE: Need help on Precision 5V Power Supply
The power quick search at power.ti.com can help you find devices that meet your power needs. For your specs, the TPS62175 is a great fit. 50 mV is a pretty achievable number for most switching...
View ArticleForum Post: RE: bq34z100 battery gauge problem(RemainingCapacity &...
Hwang, It looks like the pack needs to be re-calibrated. The voltage measurement is off. The CC Gain shows that the pack has a 476 kohm sense resistor, so something was not right with the calibration....
View ArticleForum Post: RE: ROM image for BQ20Z655
RalphCan you send me your ROM file for review? ThanksTom
View ArticleForum Post: LMZ14203: which is the minimum value of the Soft-Start capacitor Css
Hallo,which is the minimum value of the Soft-Start capacitor (Css) on Pin5 for LMZ14203TZ-ADJ .In the Datasheet I read this:Use of a 0.022μF capacitor results in 2.2 msec soft-start duration. This is...
View ArticleForum Post: TPS54140 driving sync pin
Hi,The TPS54140 datasheet shows a recommended input network for the RT/CLK pin in Figure 43.This network puts a 50 ohm load across the clock source. This is rather a large load (i.e. low resistance)...
View ArticleForum Post: RE: LM5118 stability and "inductor audio ringing"
HiIt looks like your power supply is current limited since your input voltage drops. Please try other power supply with enough capability.Regards,
View ArticleForum Post: bxl file problem
I have downloaded the .bxl file for TPS62065.When I generated the script file(.scr)for cadsoft eagle & added the component to board i observed only 6 pins on it.while the ic has total nine pins...
View ArticleForum Post: RE: LP5907 About current limit operation
Masa0301,Please state what exactly do you like to know about what do we know of current limit operation on the LP5907 LDO? In a nut shell the device will NOT allow its output current to exceed 500mA...
View ArticleForum Post: Data for BQ51013AEVM-765(QFN)
DearCould you help provide below data for our design, thanks~1. Gerber file.2. Layout file.3. Schematic file.want to modify because ID changed.BR,Driscoll
View ArticleForum Post: RE: bq34z100 battery gauge problem(RemainingCapacity &...
Hello Tom,I try reset (41) and issue and IT Enable (21) by bq34z100EVM.This is *.gg file for my story.I want to operate Multi-cell applications BUT can't update capacity & Full Charge...
View ArticleForum Post: TPS2560DRC CB Report and Nemco Report
The CB Report and The Nemco Report are requested from my customer for the customer's equipment pass the safe plan. Please send CB Report and Nemco Report of TPS2560DRC.
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Forum Post: RE: LM2936M-5.0
Just to be safe, can you confirm from the markings on U1 & U5 next to the 102 Resistor near top of PCB are indeed true Nat Semi parts?
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Forum Post: RE: Is it possible to switch of all DCDC outputs in TPS65070?
NOW we are able to power down DCDC1, DCDC2, DCDC3 and LDO2 and LDO1 is ON state.We are again trying to switch on DCDC1, DCDC2, DCDC3 and LDO2 from power down and it is not happening. We are writing...
View ArticleForum Post: TLC5923 and multiple LEDs Vcc
I have a question about the TLC5923. In the TLC5923 datasheet, page 9, figure 9, you can see the LEDs anode connected to VLED. They are all connected to this power rail, VLED. I have the need to...
View ArticleForum Post: RE: LM3407 Buck LED Driver Input FILTER design
Output power 0.5-0.6 W; Vout = 2.8V
View ArticleForum Post: TPS63060 – About abnormal behavior and a dischage function (two...
[Question1.] Is TPS63060 available on the following condition?Absolute maximum ratings of TPS63060 is “Vout pin = 17V”.Thus,I think that TPS63060 does not destroy. but, does TPS63060 cause abnormal...
View ArticleForum Post: RE: LM3478 SEPIC, Application Note AN-1484
The size (uF) of your coupling caps will also influence on your output ripple.
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