ADS1299-4: ADS1299EEGFE

IdoOffice

Intellectual 570 points

Part Number: ADS1299-4
Other Parts Discussed in Thread: ADS1299, TPS61022

Hi I

I use ADS1299 with 3.7V lipo battery

Can you recommend me a boost? I will connect it only to the ADS1299

over 5 years ago

0 IdoOffice over 5 years ago

Intellectual 570 points

my design work with 3.7V lipo battery with a charger ( BQ25606RGET) and a Im looking for a small booster to 5V with wide range current >2A. (maybe TPS61089RNRT??)
the booster supplies all my design (IMX8, LPPDR4 etc.)
the same 5V supplies ADS1299, Does the ADS1299 will work properly with the booster?
Do I need to add special filters or LDO to filter the harmonies from the booster?

0 Alexander Smith over 5 years ago in reply to IdoOffice

TI__Guru 55232 points

Hi Ido,

I'm going to move this to a different forum as it is about powering the ADS1299, not the ADS1299 itself.

0 Jasper Li over 5 years ago in reply to IdoOffice

TI__Mastermind 46905 points

Hi Ido,

I would suggest boost converter TPS61022 for this application.

0 IdoOffice over 5 years ago in reply to Jasper Li

Intellectual 570 points

what about tps61235P?

0 Helen chen over 5 years ago in reply to IdoOffice

TI__Mastermind 40080 points

TPS61022 has better performance. We recommend you use TPS61022.

0 IdoOffice over 5 years ago in reply to Helen chen

Intellectual 570 points

which Characteristics?

efficiency? ripple?

because tps61235P automatic detection between PFM and PWM

0 Helen chen over 5 years ago in reply to IdoOffice

TI__Mastermind 40080 points

Dear Sir,

The efficiency is similar, but for the TPS61022 you can set it work at the FPWM mode, hence you can get very low output ripple. For the TPS61235, it works at the PFM mode at light load, so the output ripple will be higher.

Power management

Power management forum

ADS1299-4: ADS1299EEGFE