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  user5006944

  • 1 month ago
  • Power management
  • Power management forum

  BQ25700A: help review the solution

  • Resolved

  Part Number: BQ25700A Please help to review the Schematic
• 

  Joel Hernandez II

  • 25 days ago
  • Power management
  • Power management forum

  RE: BQ25700A: Device ID reading does not match datasheet.

  Hey John, That seems incorrect. It looks like your customer is using an old revision of that device that is no longer sold. Do you have the LTC for that device? Regards, Joel H
• 

  Joel Hernandez II

  • 2 months ago
  • Power management
  • Power management forum

  RE: BQ25700A: Issue with VBUS not reading supplied voltage

  Hey Zander, The next thing I would check is changing ChargeOption0 to 0x020E to make sure the watchdog timer nor Low Power are affecting the reading. Regards, Joel H
• 

  Annie Liu

  • 4 months ago
  • Power management
  • Power management forum

  BQ25700A: BQ25700A input voltage

  TI Thinks Resolved

  Part Number: BQ25700A Hi, Hello, there is currently a project applied to BQ25700A , functioning in the normal way. However, when the adapter is connected to 24V power supply, the chip is found to be hot at around 51℃. When the adapter is connected to...
• 

  Jelly li

  • 4 months ago
  • Power management
  • Power management forum

  BQ25700A: charge current oscillated issues

  TI Thinks Resolved

  Part Number: BQ25700A hi About BQ25700 charge current issues: VIN=12V; set charge voltage 13200mV, REGN=5.99V; cell_batpresz=3.48V, 58%-3cells; issue1: when VBAT<7.2V start charge, charge current oscillated; issue2: in CV mode, charge current...
• 

  Jelly li

  • 4 months ago
  • Power management
  • Power management forum

  BQ25700A: input voltage

  TI Thinks Resolved

  Part Number: BQ25700A Hi ， i want to confirm which pin is the supply for the chip ? REGN? VDDA ? VSYS or VBUS? when input Vbus power off, before the OTG mode start, there is 10ms gap, which voltage is the operating voltage fo the chip ? thanks
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  Jelly li

  • 4 months ago
  • Power management
  • Power management forum

  BQ25700A: BQ25700 23h

  • Resolved

  Part Number: BQ25700A Hello, Set 12h[15]=1 (disable low power mode) set 31h[6]=1 (1-IBAT pin
• 

  Terry Tseng

  • 5 months ago
  • Power management
  • Power management forum

  BQ25700A: USB charger failed with some PC

  • Resolved

  Part Number: BQ25700A Dear TI Sir My product uses BQ25700A The product is connected to PC
• 

  Jelly li

  • 5 months ago
  • Power management
  • Power management forum

  BQ25700A: Charge current oscillated

  TI Thinks Resolved

  Part Number: BQ25700A enter into CV mode, charge current ripple about 500mA, assume it’s normal in PFM mode; but later (about several minutes) charge current oscillated high to 4A, period is about 600us, and find the 0x20[11]=0 and charge current...
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  Jelly li

  • 6 months ago
  • Power management
  • Power management forum

  BQ25700A: Charge current oscillated with light load

  TI Thinks Resolved

  Part Number: BQ25700A charge current oscillated enter into CV mode; oscillated caused by switch to PFM mode? charge current decrease to 0.13A, start oscillated; add the load to system higher than 0.25A, charge current not oscillated. is there some...

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