Answered

• BQ24253: What's the meaning of safety timer?

  

  Donghang Jiang

  Resolved

  Part Number: BQ24253 Does the safety timer time only include the process of CC and CV? Then what's the largest time for trickle and pre-charge process? Or the safety timer time includes the entire process: trickle, pre-charge, CC and CV?

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: Is the safety timer fixed for 6 hours?

  

  Donghang Jiang

  Resolved

  Part Number: BQ24253 Is the safety timer fixed for 6 hours? Can I change it and how? Is there timeout protection for pre-charge?

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• BQ24253: Loss of power supply when removing usb-cable

  

  Jonathan Oberthuer

  TI Thinks Resolved

  Part Number: BQ24253 Other Parts Discussed in Thread: BQ24080 , Hey there, I have a question about the functionality of these kind of charging chips. Let's say my system is powered on and I am charging a LiPo at the same time. Now I wonder what will happen…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: bq2425x

  

  Matthieu Imbert

  Resolved

  Part Number: BQ24253 Hello, Replacing unavalaible bq2561x with older part bq2425x. Choosing bq24253 standalone: not using any USB power source, nor any I2C controller. Q1: How do I manage to have EN1/EN2 CHANGE state in order to have the truth table read…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum

• BQ24253: No USB powering

  

  Matthieu Imbert

  TI Thinks Resolved

  Part Number: BQ24253 Other Parts Discussed in Thread: BQ25616 , Hello, Redesigning our single cell Li-ion standalone charger with bq24253 instead of bq25616 as it is currently unavalaible. We are NOT powering it through 5V USB. How should we connect: -…

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: NTC Resistor Calculator Tool

  

  Brenton Yiu

  Resolved

  Part Number: BQ24253 Other Parts Discussed in Thread: BQ24250 , BQ25890 Is there a NTC Resistor Calculator Tool for the BQ24253? I saw there is one for the BQ24250 but the excel spreadsheet macro is giving compilation errors.

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: ILIM setting and

  

  Kazuki Kuramochi

  Resolved

  Part Number: BQ24253 Hello Expert, Our customer have questions for BQ24253. I confirmed datasheet and it said that EN0/1 setting is applied if there is status change after D+/D- detection. Our customer plan to configure each pin just connecting GND or power…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: EN pin pull up source

  

  Kazuki Kuramochi

  Resolved

  Part Number: BQ24253 Hello Expert, I have question for the circuit design of BQ24253. Our customer plat to pull up EN pin through Vsys. However, I cannot found any comment when Vsys is enabled. So I worried about that Failing EN detection due to Vsys is disabled…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: PG pin behavior during non-battery condition

  

  Kazuki Kuramochi

  Resolved

  Part Number: BQ24253 Hello Expert, I have question forfBQ24253. Datasheet said that PG pin will be pulled low when Vin is higher VBAT+VSLP. Could we apply this formula for the case that battery doesn't connected as VBAT=0? I'm looking forward to hearing…

  • Resolved

  • over 2 years ago
  • Power management
  • Power management forum
Answered

• BQ24253: NRND Plans

  

  VM

  Resolved

  Part Number: BQ24253 Other Parts Discussed in Thread: BQ25619E Hi. My customer is looking for alternatives to wants to BQ25619E and wants to know the status of BQ24253 and if there are any plans to NRND the device. Thanks

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum

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