Part Number: LP3972 Hello team,
I have another question about the LP3972: If we are only using Buck 1 and Buck 2, and we do not want to use Buck 3 (and even prefer Buck 3 will not operate its switching at all, if possible)-
how should we connect its…
Part Number: LP3972 Other Parts Discussed in Thread: TPS65020 , TPS65021 , TPS65022 Hello Team,
My customer has using the PXA270 processor with the TI Power Management Unit LP3970. Since the LP3970 was obsoleted- and their stocks of it are running low…
Other Parts Discussed in Thread: LP3972 , LP3907 Hi!
I am considering using LP3972 in my design. I am interested in the current transient response for the part. Do you have any data on the same?
Regards, Subhash
Other Parts Discussed in Thread: LP3972 Hi,
My customer would like to know how LP3972 can be connected to Marvell's PXA270.
Do you have example connection diagram of "PXA270 and LP3972" ?
{expecially, he wants to know... 'where to connect nVDD_FAULT…
Other Parts Discussed in Thread: LP3972 Hi,
Looking into LP3972 datasheet, I could not find any timing specification about nRSTI signal.
Is there no timing requirement for nRSTI ? For ex., no spec on reset pulse width ?
Thank you in advance for…
Under Battery Switch Operation on LP3972 data sheet page 16/62, It is stated that the battery switch may be disabled when only a main battery is used by setting the “no back up battery bit” in the control register 8h’0B bit 7 NBUB.
Since switching will…
Other Parts Discussed in Thread: LP3972 Under reset sequence on LP3972 data sheet page 53/62:
t2 is delay from nBATT_FLT de-assertion to nRESET_OUT assertion
t5 is delay from PWR_EN assertion to nRESET_OUT de-assertion
Under power up timing on…
Other Parts Discussed in Thread: LP3972 On LP3972 application note (literature Number: SNVA235):
The two I2C lines are pulled-up to 3.3V in reference design board.
On LP3972 data sheet (literature Number: SNVS468J):
It is stated in page 4/62 that…
