• 

  Y.Ottey

  • 1 day ago
  • Power management
  • Power management forum

  BQ24040: Failure Mode

  TI Thinks Resolved

  Part Number: BQ24040 Dear TI Team Our customer is considering BQ24040. I would like to ask about BQ24040. Is there a possibility that a failure mode may occur in which the voltage of the IN pin is output to the OUT pin as it is due to a short...
• 

  Jiandong Liu

  • 3 days ago
  • Power management
  • Power management forum

  BQ24040: Is BQ24040 a good choice to displace SGM4056?

  TI Thinks Resolved

  Part Number: BQ24040 Hi expert, do you think BQ24040 a good choice to displace SGM4056? Considering competitor's price is very low, do you have a more cost-effective solution? That's great if you could give a comparative list of these 2 devices...
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  Ian Wang

  • 1 month ago
  • Power management
  • Power management forum

  BQ24040: bq24040

  TI Thinks Resolved

  Part Number: BQ24040 Hi Sir, Pls check as below waveform, It will down to 3.6V stay around 40ms when remove bq24040 in Vin=5V. Pls advise what cause this behaviors? Vin (Blue) Battery Thanks, Ian.
• 

  Star Xu

  • 14 days ago
  • Power management
  • Power management forum

  BQ24040: BQ24040 charge current unstable

  TI Thinks Resolved

  Part Number: BQ24040 Hi The customer design the Bluetooth earphone, and Doing a cycle test: insert the USB 5V and charge for 10 seconds plug out the USB 5V and wait for 10 seconds insert the USB 5V and charge for 10 seconds...... It is found that...
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  laurent BESOMBES

  • 27 days ago
  • Power management
  • Power management forum

  BQ24040: IEC 62368-1

  TI Thinks Resolved

  Part Number: BQ24040 Dear Support, 1/ Can you provide IEC 62368-1 certificate reference for BQ24040 or test report ? It is requested on our side for en EC certification. 2/ Can you decribe what will be the charging currents in Hot operation mode within...
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  Anthony P Pham

  • 13 hours ago
  • Power management
  • Power management forum

  RE: BQ24040: Working in lower current than 50mA- and safety PPTC

  Hi, The concern with a resistor to Vin is the limited current and voltage going into the input pin. It acts as a current limiting resistor and the voltage going into the device may drop as a result of the voltage drop over the PPTC. I do not believe...
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  Ian Wang

  • 2 months ago
  • Power management
  • Power management forum

  BQ24040: bq24040

  TI Thinks Resolved

  Part Number: BQ24040 Hi Sir, Customer would like using bq24040 design as condition: 0~10°C charge current limit: 0.2C(380mA battery), 10~45°C charge current: 1C Pls advise if bq24040 do that? Thanks,Ian.
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  Chen Yi Kuang

  • 1 month ago
  • Power management
  • Power management forum

  BQ24040: remove Vin from charger

  TI Thinks Resolved

  Part Number: BQ24040 Hi Why does the Vin of BQ24040 keep at 3.6V for 30ms when I remove Vin? The yellow line is Vin (USB port Vbus). The blue line is Vout (Battery)
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  Ann_Lien

  • 2 months ago
  • Power management
  • Power management forum

  BQ24040: stop charging when temperature >45C

  • Resolved

  Part Number: BQ24040 Hello expert, bq24040 supports JEITA spec which means 45C~60C will lower
• 

  Ian Wang

  • 1 month ago
  • Power management
  • Power management forum

  BQ24040: bq24040 TS Setting

  TI Thinks Resolved

  Part Number: BQ24040 Hi Sir, Pls kindly advise how to connect TS (charger is enable) if I don't want using bq24040 TS to detect? And how to connect TS if charger is disable? Thanks, Ian.

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