• BQ24133: BQ2413 output abnormal

  

  Alon Chen

  TI Thinks Resolved

  Part Number: BQ24133 Hi， Something is wrong with my circuit. Input voltage VIN=13V, set 3 battery output. The measured no-load output voltage is only 7.4V, and the measured voltage at pin 14 is 3.3V. Please help me review the problems in the circuit…

  • 1 month ago
  • Power management
  • Power management forum

• BQ24133: Chip damage problem

  

  坚斌 李

  TI Thinks Resolved

  Part Number: BQ24133 We accidentally damaged the chip while using BQ24133. We test the damaged chip and find that it is VREF, SW, CELL, SRN pin abnormality. In use, we plug in the battery first and then the main power supply. The lithium battery is 12…

  • 2 months ago
  • Power management
  • Power management forum

• BQ24133: BQ24133 charging voltage abnormal

  

  Star Xu

  TI Thinks Resolved

  Part Number: BQ24133 Hi The customer design with bq24133, they set the cell to VREF, but the SW output voltage only 8.5V, and the STAT is blinking. the schematic as below: In 9.3.9, except that the delay of 1.5s has not been measured, it meets the r…

  • 8 months ago
  • Power management
  • Power management forum

• BQ24133: Question about BTST

  

  Austin Do

  TI Thinks Resolved

  Part Number: BQ24133 Hello team, I have a question about the internal circuit of BTST and REGN. According to the block diagram, BQ24133 has built-in bootstrap diode. However, what is the meaning of the external diode from figure 10-5? How does it affect…

  • 7 months ago
  • Power management
  • Power management forum

• BQ24133: Charging abnormal

  

  Gabriel Wang1

  Part Number: BQ24133 Dear Expert Connect to an external power supply of 15V and start the mainboard. The power consumption of the board is 141mA. Plug in an unfilled battery and use a multimeter to measure the changes in the high (3.3V) and low (0.019V…

  • 7 months ago
  • Power management
  • Power management forum

• BQ24133: Battery removed condition

  

  Akash S

  TI Thinks Resolved

  Part Number: BQ24133 Hi, In the below circuit, what happens when battery is disconnected and adapter is plugged in. Would BQ24133 try to push out constant current into the system?

  • 10 months ago
  • Power management
  • Power management forum

• BQ24133: RevFET Mosfet Elimination

  

  Akash S

  TI Thinks Resolved

  Part Number: BQ24133 Hi, In this example circuit, can we omit Q4 and Rac

  • 10 months ago
  • Power management
  • Power management forum

• BQ24133: System power path from battery

  

  Akash S

  TI Thinks Resolved

  Part Number: BQ24133 Hi, In the following circuit, can we connect system voltage bus from SRN pin instead of SRP pin

  • 10 months ago
  • Power management
  • Power management forum

• BQ24133: Termination of ACP, ACN and ACSET pins

  

  Akash S

  TI Thinks Resolved

  Part Number: BQ24133 Hi, How to terminate ACP, ACN and ACSET pins if input current regulation and DPM are not used

  • 10 months ago
  • Power management
  • Power management forum

• BQ24133: 2-cell unremovable battery configuration

  

  Veeramani Viswanathan B

  TI Thinks Resolved

  Part Number: BQ24133 Hi, Going through the datasheet, we came across the below system example. Can we use the following circuit with 2-cell..? Also what happens if the cell is removed and the adapter is powered ON in this configuration....?

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

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