Answered

• BQ25731: Inquiry Regarding BQ25731 for a 3-Cell Battery System

  

  Yu-Heng Deng

  Resolved

  Part Number: BQ25731 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Dear TI Team, We are designing a system that utilizes the BQ25731 with a 3-cell battery, which includes a built-in battery gauge. The device is expected to operate primarily…

  • Resolved

  • 7 months ago
  • Power management
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• BQ25731: BQ25731 operation difficulties

  

  Eric Plambeck

  TI Thinks Resolved

  Part Number: BQ25731 Tool/software: Is an applications engineer available to discuss this LiPO4 battery charging IC. We have incorporated it into a new design. We are unable to get the chip to operate and charge a battery.

  • 11 months ago
  • Power management
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• BQ25731: MSL2 BQ25731 was delivered, not listed on the data sheet

  

  Shinichi Inoue

  TI Thinks Resolved

  Part Number: BQ25731 Tool/software: Dear Specialists, My customer is using BQ25731 and has a question. The BQ25731RSNR was delivered in a package containing a mixture of reels with two MSL markings (MSL1, MSL2). I would be grateful if you could…

  • 9 months ago
  • Power management
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• BQ25731: Can BQ25731 support supercapacitor backup function?

  

  Cain

  TI Thinks Resolved

  Part Number: BQ25731 Other Parts Discussed in Thread: BQ24800 Tool/software: Hi Team, I have a function requirment for supercapacitor Backup(Power input is 12V,Device supply is also 12V,Supercapacitor is 5.5V),I want to know whether BQ25731 can support…

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

• BQ25731: May I know that the BQ25731 is a Charger IC that is used for both QC and PD?

  

  Jenny Chen

  Resolved

  Part Number: BQ25731 Tool/software: Hi team, May I know that the BQ25731 is a Charger IC that is used for both QC and PD? Or what kind of stuff can be recommended? Thanks! BR, Jenny

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• BQ25731: MOSFETs protection

  

  Suslik Shkratslov

  Resolved

  Part Number: BQ25731 Tool/software: Hello, Texas Instruments team! The BQ2573x Evaluation Module (Rev. A) datasheet on page 19 shows a schematic where MOSFETs Q1, Q2, Q3 and Q4 do not have gate-to-source overvoltage protection. Can you please tell…

  • Resolved

  • 4 months ago
  • Power management
  • Power management forum

• BQ25731: with 20mOhm resistor

  

  Keith Keller

  TI Thinks Resolved

  Part Number: BQ25731 Tool/software: Hello, We'd like to increase the sense resistor on the BQ25731 to 20mohm. Is this possible? Or will RSNS_RAC and RSNS_RSR cause a problem? Thank you, Keith

  • 4 months ago
  • Power management
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• BQ25731: MTBF Calculation

  

  Keith Keller

  TI Thinks Resolved

  Part Number: BQ25731 Tool/software: Hello, Could you please help us with MTBF / FIT calculations for BQ25731? We need to operate the IC junction near 125oC. Trying to understand the lifetime impact from this, versus operating at 85oC junction temp…

  • 5 months ago
  • Power management
  • Power management forum

• BQ25731: I2C Connection Method

  

  Jing-Ming Zhang

  TI Thinks Resolved

  Part Number: BQ25731 Other Parts Discussed in Thread: TPS25751 Tool/software: Hi Ti team In my architecture, BQ25731 and TPS25751 communicate with each other. When the PD controller sends a set of PD voltage, the device is charged through Charger Buck…

  • 3 months ago
  • Power management
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• TPS25751: +bq25731

  

  Isee

  Part Number: TPS25751 Other Parts Discussed in Thread: BQ25731 , Tool/software: hi Team, Is it possible configure TPS25751 as only Source? I can see in the web programmer tool (either source& Sink or sink only) and source only is 5V3A. But I was looking…

  • 5 months ago
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