• BQ24040: IC heat upto 61c for 1A charging

  

  hitesh soramiya

  TI Thinks Resolved

  Part Number: BQ24040 Tool/software: Hello, We are using the BQ24040 for a single battery cell (3.7V, 2600mAh) on our custom board. We have set the charging current to 1A. When we plug in the charging cable, the IC (BQ24040) starts to heat up to 61°C…

  • 23 hours ago
  • Power management
  • Power management forum

• RE: BQ27427: Fuel Gauge and BQ24040 Charge IC Schematic Review and Queries.

  

  Arnav Jain

  Adrian thanks for letting me know the above, please answer one more question that I asked. Arnav Jain said: If I connect the Battery to the BAT pin as you suggested then I would need to connect the Output of the Charger to VSYS, is that the correct way…

  • 27 days ago
  • Power management
  • Power management forum

• BQ24040: input Voltage Drop

  

  hitesh soramiya

  TI Thinks Resolved

  Part Number: BQ24040 Tool/software: Hello, We are currently using the BQ24040 charger IC and have observed an issue during charging. When we apply a 5V input to the IN pin (#1) and connect a 3V discharged battery to the OUT pin (#10), the input voltage…

  • 2 months ago
  • Power management
  • Power management forum

• BQ24040: BQ24040 related issues

  

  jeno.zhang

  TI Thinks Resolved

  Part Number: BQ24040 Other Parts Discussed in Thread: BQ24041 , , BQ24045 Tool/software: Hello， What is the difference between the three chips BQ24040, BQ24041, and BQ24045? Thanks！

  • 6 months ago
  • Power management
  • Power management forum
Answered

• BQ24040: Input current limit when using Type C connector

  

  Yuta Nishie

  Resolved

  Part Number: BQ24040 Tool/software: Hi, How will the charge IC behave if a current exceeding the input current limit is input? For example, it will stop charging the battery, stop output to the system, etc. The customer's situation is as follows.…

  • Resolved

  • 2 months ago
  • Power management
  • Power management forum

• BQ24040: Termination and Safety Timer Questions

  

  Allan Fan

  TI Thinks Resolved

  Part Number: BQ24040 Other Parts Discussed in Thread: BQ24075 Tool/software: Hi expert, May I clarify with you some questions regarding BQ24040? 1. since there is no BATFET between BAT and SYS, how can battery be charged to full (stop charging) and still…

  • 4 months ago
  • Power management
  • Power management forum

• RE: BQ24040: BQ24040 power consumption is too high without VIN

  

  Michael Emanuel35

  Hello, The charger will drain the input capacitor until the device stops charging due to entering sleep mode. Regards, Mike Emanuel

  • 7 months ago
  • Power management
  • Power management forum

• BQ24040: Inquiry about PFAS Content and Manufacturing Origin of BQ24040.

  

  Tom Tsao

  TI Thinks Resolved

  Part Number: BQ24040 Tool/software: Hello TI Support Team, I would like to confirm a few details regarding the BQ24040: Could you please confirm if the BQ24040 is PFAS-free? Additionally, I am interested in knowing the origin of the package and wafer…

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

• BQ24040: Pre-termination floating?

  

  Jim G

  Resolved

  Part Number: BQ24040 Tool/software: I'm trying to select a Preterm resistor value for my application. I can see in the datasheet that 2k is the value for 10% termination current and 20% pre-charge current. I also see a note that the same configuration…

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• BQ24040: BQ24040

  

  Bernhard Botzheim

  TI Thinks Resolved

  Part Number: BQ24040 Other Parts Discussed in Thread: TLV8801 Tool/software: Hey, we are looking for the mttdf values for following parts: BQ24040DSQR BQ27427YZFR BQ29700DSER TLV61048DBVR TPS631000DRLR DRV8213DSGR TLV8801 We need this values for a certification…

  • 9 months ago
  • Power management
  • Power management forum

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