• BQ24090: how to trigger BQ24090 for 10-hour safety timer.

  

  Poh Kok Keng

  Part Number: BQ24090 Dear Sir/Madam, i am using the below circuit for BQ24090. IN:ADAPTOR_5V OUT: V_BAT connect to battery parallel with system load. PG, CHG connect to MCU TS connect to battery NTC and MCU CHARGE_OFF for recovery. BTW, I try to trigger…

  • 1 month ago
  • Power management
  • Power management forum
Answered

• BQ24090: Differences between BQ24090 and BQ24074 for solar charging

  

  Dan Alvarez

  Resolved

  Part Number: BQ24090 Other Parts Discussed in Thread: BQ24074 , Hello, I found that the BQ24074 is used in this Adafruit module as a solar charger: learn.adafruit.com/.../design-notes . Note that one of the main reasons they use this module is because of…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• BQ24090: bq24090 charging current at low temp

  

  Sai Loo

  TI Thinks Resolved

  Part Number: BQ24090 Other Parts Discussed in Thread: BQ24092 , Hi team, For bq24092 with Jeita, the charging current at 0 ~ 10 degree will be half the Iset. however, for bq24090 without Jeita, what will be the charging current between 0 ~ 10C? Should it…

  • 8 months ago
  • Power management
  • Power management forum
Answered

• BQ24090: Input voltage for Li-Ion Battery charger

  

  Russell Torlage

  Resolved

  Part Number: BQ24090 Other Parts Discussed in Thread: BQ25171-Q1 I would like to power the BQ24090 with a regulated 12 Volt DC wall adapter. I read the specifications, but there appears to be some confusion as whether this can be done. On Figure 2, the…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum
Answered

• BQ24090: IEC 62368 passed?

  

  Franz Schellhase

  Resolved

  Part Number: BQ24090 Hi team, A customer needs to know whether the device passed IEC 62368. Can you confirm whether it did or didn't? Thank you, Franz

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum

• BQ24090: Supercap charger

  

  Paul Tran

  Part Number: BQ24090 Other Parts Discussed in Thread: BQ25170 Hi TI expert we have done design with super cap charger 4.2V with BQ24090 Now, we need to change supper cap to LIC (lithium-ion capacitor ) and the ref voltage charger is only 3.8V. So the…

  • 8 months ago
  • Power management
  • Power management forum
Answered

• BQ24090: How to check the safety timer

  

  user4498844

  Resolved

  Part Number: BQ24090 Hi! I would like to check if the safety timer on the BQ24090 is working fine. In the test the cell is charged and discharged at the same time (i try to keep cell voltage on 3.3V). I detected that charging did not stop after 10 hours…

  • Resolved

  • 9 months ago
  • Power management
  • Power management forum

• BQ24090: Charger off for battery temperature outside 0 to 45 Deg

  

  Shinu.V.Mathew

  TI Thinks Resolved

  Part Number: BQ24090 Hi Team, My customer requested confirmation on whether the BQ24090 complies with M.4 of IEC 62368-1-2014 by cutting the charger off for battery temperature outside 0 to 45 Deg window?. Please help with you inputs. Thanks in advance…

  • 10 months ago
  • Power management
  • Power management forum
Answered

• BQ24090: Will CHG pin always turn low when charger is turned on?

  

  Magnus Jonsson1

  Resolved

  Part Number: BQ24090 Hi I will use the BQ24090 charger in a design that needs a wake-up signal when the charger is connected to a power source. I would like to know if the CHG pin always indicate charge when the charger is powered up? What happen if…

  • Resolved

  • 11 months ago
  • Power management
  • Power management forum

• BQ24090: Help check BQ24090 schematic

  

  Star Xu

  TI Thinks Resolved

  Part Number: BQ24090 Hi Please help check the attached schematic. Star Thanks

  • over 1 year ago
  • Power management
  • Power management forum

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