• BQ24045: BQ24045 Charging output without battery presence

  

  Tirthal patel

  TI Thinks Resolved

  Part Number: BQ24045 Other Parts Discussed in Thread: BQ24078 Dear, We are planning to implement BQ24045 battery charging IC in our system i have already worked on the BQ25606RGER where my charging current requirement was high. My question is that when…

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• BQ24045: [FAQ] BQ24045 TS pin configuration question

  

  Mui Jimmy

  Resolved

  Part Number: BQ24045 According to the linked FAQ, " Normal battery Charge -- Connected to NTC thermistor in battery pack to monitor battery temp. 50uA current source will develop a voltage that is monitored by internal voltage comparators. Charge…

  • Resolved

  • over 4 years ago
  • Power management
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• BQ24045: Sometimes BQ24045 can't charge over discharge lithium battery

  

  Rock Su

  TI Thinks Resolved

  Part Number: BQ24045 Other Parts Discussed in Thread: TPS62742 , BQ24230 Dear colleague, Our customer encounter below issues: Background: This is Bluetooth product that uses BQ24045 as a charging IC. and the battery is a 4.35v high-voltage lithium battery…

  • over 4 years ago
  • Power management
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• BQ24045: BQ24045 TS function when battery is not existed

  

  Paul Yeh

  TI Thinks Resolved

  Part Number: BQ24045 Hi Team, My customer would like to know how MCU knows the battery is absent? Can they monitor /PG or /CHG pin signals to judge? Now they add 250kohm pull-down resistor in TS pin. So when the battery is absent then TS won't connect…

  • over 4 years ago
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• BQ24045: BQ24045 is destroyed

  

  Hui Cao22

  TI Thinks Resolved

  Part Number: BQ24045 Customer products are walkie-talkies，Fusion crust burned 1. The charging chip cannot be charged normally. 2. The heat of the machine is caused by failure of charging chip. 3. The surface of the charging chip is abnormal, and the color…

  • over 5 years ago
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• BQ24045: BQ24045 TS Question

  

  Holly Gu

  TI Thinks Resolved

  Part Number: BQ24045 Hi Team, Does BQ24045 have a internal(means inside the silicon) pull up resistor on TS pin? If yes, what's the accuracy?

  • over 5 years ago
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• BQ24045: IEC 62368

  

  Olin Zhang

  TI Thinks Resolved

  Part Number: BQ24045 Hi Team, My customer is using bq24045 for IEC 62368-1 certification. As the below figure shows, one of the standards M4.2.1 stipulates that the IC's input and output are short-circuited directly, and the charging current cannot exceed…

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• BQ24045: Iset Value

  

  JDJ

  Resolved

  Part Number: BQ24045 If you are using a BQ24045 to have the below charging profile with a charging voltage of 4.35V: 0C to +10C 100mA +10C to +20C 300mA +20C to 60C 500mA And configure the Iset for 300mA and then: Iset2 = Low for 300mA (Iset…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum
Answered

• BQ24045: bq24045 + bq51013B + QI antenna

  

  Joaquim Martinez

  Resolved

  Part Number: BQ24045 Other Parts Discussed in Thread: BQ51013B , BQ500212A Dear all, I am using the bq24045 + bq51013B so as to charge a 800mAh battery using also a RX QI antenna (10uH, Imax 3.5A, DCR 0.190 Ohms, Q = 50). When I charge the battery (Iset…

  • Resolved

  • over 5 years ago
  • Power management
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• BQ24045: BQ24045DSQT

  

  vishal mistry

  TI Thinks Resolved

  Part Number: BQ24045 Other Parts Discussed in Thread: BQ24040 Hello Sir/Mam, We have query regrading battery charging ic BQ24045DSQT) Kindly below points. 1) Can we operate custom device without battery detection using BQ24045 Charging ic ? 2) Over- voltage…

  • over 5 years ago
  • Power management
  • Power management forum

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