• BQ25820: What's bq25820 minmum Cout value?

  

  Sean Liao (Yu-Sheng)

  TI Thinks Resolved

  Part Number: BQ25820 Hi sir, What's bq25820 minmum Cout value? Customer use is Max. Power 83W Previous TI FAE said it could be 80uF, what's the minimum Cout value can we do? Thanks a lot!

  • 26 days ago
  • Power management
  • Power management forum
Answered

• BQ25820: BQ25820 Load Connection

  

  Mike Hubert

  Resolved

  Part Number: BQ25820 Other Parts Discussed in Thread: BQ25822 , LM74930 I'm using the BQ25820 to charge a 12V LFP backup battery and also connecting a load to the output (Rock5T). I want to limit the charge current to 1.6A, but have a total maximum available…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• BQ25820: Short Circuit Protection of BQ25820

  

  Sayan Das

  TI Thinks Resolved

  Part Number: BQ25820 Hi, Could you please let me know whether short-circuit protection is available? What happens if a short circuit occurs at the battery terminal? Will the charger shut down, or will it continue supplying charging current to the…

  • 2 months ago
  • Power management
  • Power management forum

• BQ25820: Regarding the abnormal charging issue of BQ25820

  

  Reed

  TI Thinks Resolved

  Part Number: BQ25820 Hi Team, Two issues were identified during the application of TI charging chip model BQ25820. Please confirm. 1. During the debugging process of the upper computer, it was found that when the TS_T5 option was selected as 34.375…

  • 2 months ago
  • Power management
  • Power management forum
Answered

• BQ25820: Request for Schematic and Layout Design Review for BQ25820 Charger Circuit

  

  Tung Nguyen

  Resolved

  Part Number: BQ25820 Hello Team, I would like to request a review of the schematic and PCB layout design for a charger circuit using the BQ25820 . Due to confidentiality requirements, please let me know the appropriate location or recipient to whom…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• BQ25820: BQ25820 drains battery in low light conditions

  

  Guido Koerber

  TI Thinks Resolved

  Part Number: BQ25820 Other Parts Discussed in Thread: BQ25750 , BQ25756 We see a wierd behaviour of the BQ25820 in low light conditions. When the input power is insufficient to charge the battery or the PV panels are disconnected while charging, it seems…

  • 1 month ago
  • Power management
  • Power management forum

• BQ25820: BQ25820 – Audible inductor noise during pulse skipping at light load

  

  Rohit Pujari

  Part Number: BQ25820 Other Parts Discussed in Thread: , EV2400 Hello TI Team, I am using the BQ25820 in a 4S Li-ion battery charging application with the following conditions: VIN: 18 VDC Battery: 4S Li-ion, up to 16.8 V Charge current…

  • 25 days ago
  • Power management
  • Power management forum
Answered

• BQ25820: How to use BQ25820 in parallel

  

  Chris Wang

  Resolved

  Part Number: BQ25820 Hi TI Team, How to use BQ25820 in parallel? Could you provide the design reference? Thanks.

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum
Answered

• BQ25820: BQ25820 MPPT not really a MPPT?

  

  Guido Koerber

  Resolved

  Part Number: BQ25820 After a lot of testing I come to the conclusion that the MPPT in the BQ25820 is a stub of a function at best. It does not find the maximum power point as advertised in the data sheet, it tries to find a point where it can draw ICHG…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• BQ25820: BQ25820 MPPT finds no working point

  

  Guido Koerber

  Part Number: BQ25820 In low light conditions on the solar panels the MPPT keeps sweeping with just a few seconds between each sweep even though we have set the 10 min timer for sweeps. It seems like it does not find a point where it can charge with…

  • 5 months ago
  • Power management
  • Power management forum

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