Part Number: TPS62140A Other Parts Discussed in Thread: TPS62135 Hi, Could you tell me about soft start cap calculation formula. What is this voltage (1.25V)? There was no description in the Electrical Characteristics of the data sheet. Therefore, I got a…
Part Number: ISO1050 Other Parts Discussed in Thread: TPS62140A , , ISO1042 Hello Team,
we provide Vcc1 (+3.3V) and Vcc2 (+5V) power supplies to ISO1050 by means of two TPS62140A step-down converters, with Ratiometric and Simultaneous Start Up configuration…
Other Parts Discussed in Thread: TPS62140A Hello,
For a project we use the TPS62140a to convert a 12V DC input to 5V DC output. the load will draw a maximum current of 1.25A. The problem i'm facing is that large spikes appear in the 12V power rail as wel…
Other Parts Discussed in Thread: TPS62140A , TPS62140 , TPS62080 Hi,
Our customer would like to use TPS62140 (or TPS62140A) on the following condition.
Could you please give us your advice.
<Condition>
・PVIN = 2.7V to 4.2V
・AVIN = 3.1V
・Vout = 1…
Hi Barry,
For the TPS62130, only p2p compatible parts are the TPS62130A, TPS62130A-Q1, TPS62140, TPS62140A, TPS62150, TPS62150A, TPS62150A-Q1. But the TPS62140, TPS62140A, TPS62140A-Q1 are 2A rated parts and TPS62150, TPS62150A and TPS62150A-Q1 are 1A…
Hi Siddharth,
For the 3A options, TPS62130, TPS62130A, TPS62130A-Q1 are p2p compatible. If lower current works, TPS62140/TPS62140A and TPS62150/TPS62150A are other options. For latest updates inventory, please contact TI customer support at https://ticsc…
Part Number: TPS62140 Other Parts Discussed in Thread: TPS62150 , , The TPS62140 data sheet shows the shutdown current as 1.5 uA typical but 25 uA max. Is this correct? The spec over temperature is only 4 uA max. TPS62140A and TPS62150 are similar. I suspect…
Hi Yamashita-san,
Yes, this delay time of a few usec (at most) is insignificant in your calculation.
As well, TPS62140 does not have output discharge. You must use the TPS62140A to achieve a weak output discharge through the PG pin as explained here…
Part Number: TPS62110 Other Parts Discussed in Thread: TPS62136 , TPS82130 , TPS62140A , What happens if the SYNC pin is left open? Does that line have an internal pull up or pull down?
Part Number: TPS56300 Other Parts Discussed in Thread: TPS62140A , TPS563200 Tool/software: WEBENCH® Design Tools A customers is trying to simulate their power tree in Power Architect. Their desired device/ architecture is shown in the image below.
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