• 

  user5781628

  • 17 days ago
  • Power management
  • Power management forum

  BQ25619:

  TI Thinks Resolved

  Part Number: BQ25619 Hi Team, In BQ25619 datasheet, it mentions "SLEEP MODE" and "HIZ MODE". What is the difference between these modes? Could you kindly help explain? Thanks very much! BR Eleven
• 

  Valery Alex

  • 5 days ago
  • Power management
  • Power management forum

  BQ25619: Subject: Current leaking through Q1 when VBUS power is removed

  • Resolved

  Part Number: BQ25619 After unpluggin the USB connector, current is observed leaking from the VBUS
• 

  user5781628

  • 17 days ago
  • Power management
  • Power management forum

  BQ25619: BQ25619

  TI Thinks Resolved

  Part Number: BQ25619 Hi Team, On BQ25619 datasheet page 24, it describes the "BATFET Enable" as below: 4. A logic high to low transition on QON pin with tSHIPMODE deglitch time to enable BATFET to exit ship mode. EN_HIZ bit is set to 1...
• 

  Ian Wang

  • 1 month ago
  • Power management
  • Power management forum

  BQ25619: bq25619

  TI Thinks Resolved

  Part Number: BQ25619 Hi Sir, My customer complaints about bq25619 is so weak (maybe LOW side MOS broken)as below information they try EVM only. Problem was not EVM crash in the begin , but we damaged it when did the experiment , Symptom was SW pin...
• 

  user5781628

  • 17 days ago
  • Power management
  • Power management forum

  BQ25619: BQ25619 ISYS_OCP_Q4

  TI Thinks Resolved

  Part Number: BQ25619 Hi Team, In BQ25619 datasheet, it describes the "PMID Over-Current Protection" on page 27, and "Battery Over-Discharge Protection" on page 28. They are both about the overcurrent protection of ISYS_OCP_Q4....
• 

  Antony Lin

  • 1 month ago
  • Power management
  • Power management forum

  BQ25619: BATSNS functionality

  TI Thinks Resolved

  Part Number: BQ25619 Hi, We'd like to make use BATSNS pin and BATSNS_STAT bit to get the battery connection status, but found BATSNS_STAT is always read as '1' no matter a battery is connected to BATSNS pin or not. Please help to clarify...
• 

  Peiheng Liu

  • 1 month ago
  • Power management
  • Power management forum

  BQ25619: PMID_GOOD Behavior During Boost Mode Operation

  TI Thinks Resolved

  Part Number: BQ25619 Hi, I am looking into the PMID_GOOD operation during boost mode OCP. When I(SYS_OCP_Q4) reached, would PMID_GOOD latched at low following the stop of boost mode, or back to high after boost mode stopped? Best Regards, Peiheng...
• 

  Hong Mao

  • 5 days ago
  • Power management
  • Power management forum

  RE: BQ25619: bq25619 some question from the diagram

  lchaoyong: VINDPM is to prevent charge current crashing a weak adaptor. VBUS always operate above VINDPM. Please refer to the datasheet for more details.
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  Ian Wang

  • 1 month ago
  • Power management
  • Power management forum

  BQ25619: bq25619 Questions.

  TI Thinks Resolved

  Part Number: BQ25619 Hi Sir, We DIN bq25619 in new project, would you pls help for below 2 questions? 1. Pls help calculate TS resistor 0~45 degree C, attach NTC resistor. 2. Pls advise what purpose as below 10K resistor? 0402/0201 is fine? ...
• 

  Ning T

  • 21 days ago
  • Power management
  • Power management forum

  RE: BQ25619: BQ25619 - Buck Charger Only

  Hi, The principle for the two devices are similar. PMID is the actual power input for the charger in charge mode, so it can't be left open and the majority of the input capacitance should be placed at PMID pin. Please follow the d/s typical application...

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