Other Parts Discussed in Thread: TPS62750 , TPS62080 Hi
I would like to hear about TPS62750.
1. As long as I see figure 8, when output voltage is about 3.6V output current is from 0.6A to 0.7A, is Rlim_U 49.2kΩ at this time?
2. If input voltage…
Part Number: TPS2140 Other Parts Discussed in Thread: TPS62750 , Hi team,
I have a general question about interpreting the USB 2.0 spec regarding current limiting. I see that section 9.2.5.1 Power Budgeting it states that "USB devices shall limit the…
Hi Steven,
Your Vin range is less than the Vout. Is this intended? It is ok for the TPS62150, but a boost converter will give you 5Vout with this lower Vin.
No, there is no limit to the SS cap value. Increasing it will reduce the inrush current…
Hello,
thanks for your answer ! No, the dashed curve are the input of the system (connected to VIN of the TPS62651).
Please only focused on the red curves (done with the tablet), I would expect a better regulation of the TPS62750 output voltage…
Yes, that's about right on the 400mA. Your load needs to consume less power than your source can provide.
If you are driving a pulsed load, like a radio, you can store some energy in a capacitor to keep the average power consumption within the limits…
This is usually unnecessary as you have control over how much current your uC draws.
If you're concerned about it, then you could use another TPS62750 for the 3.3V rail too.
First, I would recommend that you re-title your post with a more descriptive title as to what you are trying to do.
But it seems that you just need a buck converter that can take a 3.7-4.2V input and step it down to 1.5V? What kind of charging current…
