• BQ40Z50-R2: CHG FET Oscillation

  

  JeremyG

  TI Thinks Resolved

  Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 Hi Support, We have an application using the bq40z50 and have found that while the CHG FET turns off when charging completes, it turns on again unexpectedly within seconds. The load…

  • 5 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: BQStudio support for the -R4

  

  Darren Jenkins

  TI Thinks Resolved

  Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO Gauge team, Which version of BQStudio supports BQ40Z50-R4? Stable, Test, or something else? Is there an additional file that needs to be downloaded and installed? This GPN exists, but…

  • 4 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: BQ40Z50-R2 wrong capacity measured with calibrated gauge

  

  M Schneider

  TI Thinks Resolved

  Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQ40Z50 Tool/software: Dear TI Team, im using a 4s2p battery pack with the BQ40Z50 R2 with the R5 FW. The Chemistry was provided by the Pack manufacturer: 2851 cell is Panasonic NCA653864SA 2400mAh…

  • 9 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: BQ40Z50 tWAKE test conditions

  

  Yan Yu Tuan

  Part Number: BQ40Z50-R2 Tool/software: Hi TI team, Please let me know what tWAKE test conditions. How do you confirm the test conditions: 250, 500, 1000, and 512? thanks! Regards, Peter

  • 11 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: SOC tolerance

  

  Steel Fang

  TI Thinks Resolved

  Part Number: BQ40Z50-R2 Tool/software: Dear Ti expert, Can you provide the SOC tolerance for BQ40Z50-R2? I can't find it in the technical reference or data sheet.

  • 9 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: BQ40Z50-R2: Sleep Mode Current Consumption Higher Than Expected

  

  Tom Tsao

  Part Number: BQ40Z50-R2 Tool/software: Hello TI team, We are testing the BQ40Z50-R2 using the demo board with a 2S1P configuration to measure its power consumption. The measurement setup places the multimeter in series between B+ and 4P . The measured…

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

• BQ40Z50-R2: AFTER CHG FET OFF,a high voltage appears at the PACK end.

  

  eajon chen

  Part Number: BQ40Z50-R2 Dear Ti Team, When we were conducting the test using the BQ40Z50-R5 battery, we noticed that a high voltage appeared at the PACK end after the charging MOS was turned off. What caused this?

  • 2 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: FCC Incorrect

  

  Ashish Shah

  Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: ASH I performed learning cycle on a new 4S2P battery pack #1 having a BQ40Z50-R2 fuel gauge. The value of FCC after the learning cycle was 4100mAh. I then obtained the golden file from this…

  • 8 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: Sense Resistor Connected to CHGND

  

  TI-CSC

  TI Thinks Resolved

  Part Number: BQ40Z50-R2 Hello E2E Experts, From my understanding the SRP and SRN pins are used to measure the battery current by measuring the voltage across the sense resistor (R28). I was wondering why the current being measure by the sense resistor…

  • 5 months ago
  • Power management
  • Power management forum

• BQ40Z50-R2: SMBUS COMMUNICATION ISSUE

  

  Ankita Ghumare

  Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: BQSTUDIO , EV2400 We are currently working on the BQ40Z50R2 device, but we are getting an error during SMBus communication. It is a new gauge, and no programming has been done on it yet. Still,…

  • 5 months ago
  • Power management
  • Power management forum

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