You may want to look into:
TPS65251 : PMU with 3 DC/DC Converters, up to 18Vin
TPS652510: Three DC-DC Converters with Integrated FET with 4.5V to 16V Input
Other Parts Discussed in Thread: TPS65251 Hi team,
Here is a question from one of my customers seeking to better understand the TPS65251's internal operation and compensation:
1) I'm looking for a more detailed block diagram or any additional information…
Other Parts Discussed in Thread: TPS65251 Hello,
Customer is using TPS65251 and measured Gain/Phase on their board.
Unusual phase curve is observed when Ta=-40 deg. C and Iout=1A. (Please see attached file.)
2251.TPS65251_Gain_Phase.pdf
Customer separates…
Other Parts Discussed in Thread: TPS65251 Hi All,
I wanted to migrate my design from TPS65232 to TPS65251 as per TI's recommendation. I have a clarification with respect to TPS65251 device:
As per the datasheet the maximum load on BUCK1 is 3.5A and…
Other Parts Discussed in Thread: TPS65251 I have two questions about the TPS65251:
1) What is the ramp up and ramp down time on the TPS65251 power outputs ( or definable min and max )? I see that I can set the soft-start time in the datasheet page 15…
Other Parts Discussed in Thread: TPS65251 , TPS65253 Hi ,
One of our customer is developing a hand held POS based on TPS65251 PMIC and rail are follows ........ customer is not getting the efficiency in Light load . how we have to increase the efficien…
Other Parts Discussed in Thread: TPS65251 Hello.
We are developing a new application where the TPS65251 is used to generate respectively 1.8V, 3.3V and 1.2V using DC/DC 1, 2 and 3. The product is powered at 12V.
While 1.8V and 1.2V (DCDC number 1 and…
Other Parts Discussed in Thread: TPS65251 I have an application for the TPS65251 in which I am generating 3.3V on Buck 1 and 1.8V and 1.2V on Buck 2 & 3. My power sequencing requirements are:
1.) 1.2V
2.) 1.8V & 3.3V
I noticed the datasheet…
Other Parts Discussed in Thread: TPS65251 , AM1808 , TPS65250 Questions about the TPS65251 datasheet:
On Page 13 (Overview) it says, “The device has two built-in LDO regulators. During a standby mode, the 3.3-V LDO and the 6.5-V LDO can be
used to…
