Answered

• BQ24093: TS stops charging

  

  Douglas Ross

  Resolved

  Part Number: BQ24093 Good day, When I do not connect TS to annything, our design charges and the CHG LED comes on. The charger however overheats. I then realized our battery doesn't have an TS, so I connected it to a 10k resistor to ground. Now…

  • Resolved

  • over 1 year ago
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Answered

• BQ24093: TS pin connected NTC

  

  user4805041

  Resolved

  Part Number: BQ24093 Hello BQ24903 As connected to the TS pin, recommended NTC 100k β=3370　on the data sheet. If I use 100k β=4250K,　how much error will occur with JEITA standard threshold?

  • Resolved

  • over 2 years ago
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• BQ24093: BQ24093 query

  

  Star Xu

  Part Number: BQ24093 Hi The customer design with BQ24093, and find some queries. 1, When adapter connect the out has 1.8V output and the charging indicator will stay on 2,The charging current is set to 140mA, but the current only 23mA, and still charge…

  • over 3 years ago
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• BQ24093: BQ24093 TS pin

  

  Star Xu

  TI Thinks Resolved

  Part Number: BQ24093 Hi Please help check the schematic, does the TS pin can connect to battery NTC. Thanks Star

  • over 4 years ago
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• BQ24093: BQ24093 PG PIN

  

  Star Xu

  TI Thinks Resolved

  Part Number: BQ24093 Hi My customer design the schematic and want to know whether the PG pin can connect to 1.8V and out Please help check the attached schematic QHY003_Mainboard_SCH_V1-0916.pdf Waiting for your reply. Thanks Star

  • over 4 years ago
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• BQ24093: bq24093 NTC resistor K factor

  

  yunzhong du

  Part Number: BQ24093 Other Parts Discussed in Thread: BQ24091 The bq24091/3 are designed to work with a 100k NTC. （100k NTC β = 3370） I'd like to know what condition β = 3370 is under, it's not clear in the specs. Can you confirm that…

  • over 4 years ago
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• BQ24093: About the charging current setting problem

  

  Chenkai Wang

  Part Number: BQ24093 The previous design I set the current resistor R403 set to 6.04K, the theoretical charging current is 540/6.04 = 89mA, and the actual test out the same value. But currently I want to get about 140mA charging current, I set R403 to…

  • over 4 years ago
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• BQ24073: BQ24072, BQ24073 & BQ24093 Comparision

  

  Gaurav Gupta52

  TI Thinks Resolved

  Part Number: BQ24073 Other Parts Discussed in Thread: BQ24093 , BQ24072 , Hi, I am comparing BQ24072, BQ24073 & BQ24093. BQ24093 is having different architecture but not able to see much difference in BQ24072 & BQ24073. Only Vout(reg) is different in…

  • over 6 years ago
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• BQ24093: TS pin current source

  

  Vincenzo Pizzolante

  TI Thinks Resolved

  Part Number: BQ24093 hi all, the current source on TS pin is active only when the charger is enabled right? I mean, it doesn't sink current from the battery when there is no input/charger plugger in, right? thanks al ot in advance KR Vincenzo

  • over 7 years ago
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• RE: BQ24040: Charging Li-Polymer battery that has 100K NTC temperature protection resistor question

  

  Bill Johns

  Hi Andy Do not have reference design for BQ24040 to use 100k NTC vs standard 10k. The BQ24091 and BQ24093 will support 100k NTC they are similar devices but different package.

  • over 1 year ago
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