TPS62065DSG webench simulation unstable
I selected the TPS62065DSG integrated switcher. The startup simulation looks good but the steady state and transients are not in regulation. I did not spend time adjusting components. A bode plot was...
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TPS62133 power supply design (layout)
Hello TI and forum members! I am designing a 5V 3A power supply with the TPS62133. The most interesting charateristic of this regulator that attracted me was its high efficiency at low output currents...
View ArticleTPS62130A-Q1 Switching frequency
I'm disty in Japan.I'd like to ask you about the switching frequency of TPS62130A-Q1.My customer is considering using TPS62130A-Q1 to next model.He likes TPS62130A-Q1 with high efficiency...
View ArticleTPS62065 tStart
HiOur customer would like to know the variation of start up time for this device.The variation is specified as tStart on the datasheet. However there is no min and max value.Can you provide that min...
View Articletps62140 output voltage accuracy
The datasheet does not specify how to calculate the output accuracy when using the adjustable (tps62140) version with an external resistor divider. For example, the reference tolerance is sometimes...
View ArticleTPS62065 - EVM (SLVU364–March 2010) layout questions
Dear TI,Few questions regarding the EVM layout:(1) The PCB stack-up is not clear. Is layer 2 close to the Top layer?(2) Why there is a GND opening under the DC-DC in Layer 1?(3) Why GND to FB resistor...
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TPS62130 Failing
We are trying to figure out why the TPS62130 is failing.Based on the evaluation kit, do we need the 68 uf?We have changed the evaluation kit to match our design.The difference is that we do not have C7...
View ArticleTPS62065 tStart
HiOur customer would like to know the variation of start up time for this device.The variation is specified as tStart on the datasheet. However there is no min and max value.Can you provide that min...
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How to boost your battery-powered wireless sensor nodes
The proliferation of the Internet of Things (IoT) has created wireless sensor nodes (WSNs) in every conceivable nook and cranny of the typical industrial building. A WSN is a device, usually...
View ArticleTPS63060 Power-Save mode operation
I have a particular need to operate the TPS63060 with very low loads (around 50-100 mA) at 3-12 Vin and 3.3Vout.The IC provides the Power-save operation mode.My question is quite straight-forward:...
View ArticleRegulator for micro SD card
Hi,I want to insert a micro SD card to my PCB. the circuit is powered by a 3V Li-MnO2 battery.I need to regulate the SD card to 2.7v.all the circuit components are regulated by TPS78222DRVR (2.2v)My...
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TPS63050, TPS63051 / Availability of VQFN package
Hi Everyone,The status of VQFN package is active in datasheet, but it's not available in TI.com. Please let me know when we can get it.Best Regards,Sonoki / Japan Disty
View ArticleTPS60311 inquiry
Hello,I have a customer who is designing a sensor with energy harvesting.For powering sensor, he choose TPS60311 because the required power is so small and charge pump IC can save space.But there is a...
View ArticleTPS62110 hysteresis
Hi,I'm using a TPS62110 as a +15V to +7.5V converter (component values bellow). I was checking the load regulation by connecting different valued power resistors to the regulator's output when I...
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A smaller, more integrated boost for OLED displays
The organic light-emitting diode (OLED) displays found in small devices, such as wearables and smaller medical devices, require a relatively high voltage (usually around 12V) to drive the display. But...
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TPS63020 current oscillation
Hola,Our customer used TPS63020 as their design solution and they found the current oscillation when test transient response. Does anyone can help provide some solutions to solve this problem？thanks ～
View ArticleTPS62290 part marking
Hello all,I need information about part marking on TI devices.Part is TPS62290.Marking on SON package is:first line: BYNsecond line: 1CJthird line: P425
View ArticleTPS62160 propagation delay
HiMy customer has question.It is written in DataSheet P16 Equation.(5) for [tpd=30ns].Propagation Delay time of the TPS62160 from this description is 30ns?Will no doubt in recognition that 30ns also...
View ArticleTPS62065 - EVM (SLVU364–March 2010) layout questions
Dear TI,Few questions regarding the EVM layout:(1) The PCB stack-up is not clear. Is layer 2 close to the Top layer?(2) Why there is a GND opening under the DC-DC in Layer 1?(3) Why GND to FB resistor...
View ArticleTPS62130A-Q1 Switching frequency
I'm disty in Japan.I'd like to ask you about the switching frequency of TPS62130A-Q1.My customer is considering using TPS62130A-Q1 to next model.He likes TPS62130A-Q1 with high efficiency...
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