• BQ25172: BQ25172 won't recharge cells over 50%

  

  India Godfrey

  TI Thinks Resolved

  Part Number: BQ25172 Hi, struggling to get the BQ25172 to recharge over 50%. Potentially is the cell type being used - off the shelf AA NIMH rechargeable batteries. The batteries have 1.2 V individual max, 2500 mAh capacity. Thanks

  • 1 month ago
  • Power management
  • Power management forum

• BQ25172: BQ25172: STAT pin continuously toggling no matter what I do

  

  Jeet Sodagar

  Part Number: BQ25172 I am using BQ25172 custom design PCB with 2 AAA Ni-Mh battery (Eneloop rechargeable cells). Issue is when ever I connect the battery and USB charger (5V 2A adapter) to charge the battery STAT pin keeps toggling and details are as…

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

• RE: BQ25172: [FAQ] BQ25172: How does the BQ2517x terminate a NiMH charge cycle, and why doesn't it use −DeltaV detection? BQ25172, BQ25171-Q1

  

  Ibraheem Alkhawam

  Resolved

  Hope this helps! Best, Ibraheem

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

• RE: BQ25172: [FAQ] BQ25172: When does the BQ25172 (NiMH) start or refuse to start a charging cycle, and how does the recharge voltage threshold (VRECHG) work?

  

  Ibraheem Alkhawam

  Resolved

  Hope this helps, Best, Ibraheem

  • 5 months ago
  • Power management
  • Power management forum

• BQ25172: BQ25172 (NiMH 4-cell in series) – TMR setting and charging/termination behavior clarification

  

  Koki Tamai

  Part Number: BQ25172 Hi, We are using the BQ25172 as a charger IC for a NiMH battery pack (4 cells in series). Could you please clarify the items below? Charge safety timer (TMR pin resistor setting) According to the datasheet table for the TMR…

  • 9 months ago
  • Power management
  • Power management forum

• BQ25172:ISET resistance value of BQ25172

  

  YUTAKA ISHIHARA

  Part Number: BQ25172 Tool/software: ISET resistance value of BQ25172 I set RISET to 750Ω in order to set the charging current to 400mA. The actual measured value was only 200mA. Is there a problem? Battery: NiMH 2 cells

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

• RE: BQ25172: [FAQ] BQ25172: How should the PCB be designed to minimize heating of BQ2517x devices?

  

  Ibraheem Alkhawam

  Resolved

  Hope this helps! Best, Ibraheem

  • 5 months ago
  • Power management
  • Power management forum

• BQ25172: BQ25172 + LM66200 Design

  

  Allen yang

  Part Number: BQ25172 Tool/software: Hi Team, Is the following design feasible? Output current : 1A Thanks

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

• RE: BQ25172: [FAQ] BQ25172: Why does charge current appear lower than configured, and how can this be verified?

  

  Ibraheem Alkhawam

  Resolved

  Hope this helps! Best, Ibraheem

  • 5 months ago
  • Power management
  • Power management forum

• BQ25172: BQ25172 VIN vs Battery Count – Clarification Needed

  

  Samidha Buriwar

  Part Number: BQ25172 Tool/software: Hi, For the BQ25172 , could you please clarify the relationship between VIN and VOUT ? I’m having trouble understanding how the minimum VIN required changes with the number of NiMH cells . What would be the recommended…

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

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