Answered

• BQ2002D: datasheet / reference design

  

  Wim2532

  Resolved

  Part Number: BQ2002D Other Parts Discussed in Thread: LM317 Dear, For a new project a 2 cell NiMH battery pack will be used. The BQ2002D is very nice device as charging solution. The information on the web is a bit brief. Is there any newer datasheet…

  • Resolved

  • over 6 years ago
  • Power management
  • Power management forum

• BQ2002D: Charging Current, Can I reduce it?

  

  dave kim

  TI Thinks Resolved

  Part Number: BQ2002D Other Parts Discussed in Thread: LM317 , Hello~ I think, the device has Voltage monitoring and Temperature monitoring functions. Charging Current, Can I reduce it? Thank you in advance for your response.

  • over 6 years ago
  • Power management
  • Power management forum
Answered

• BQ2002D: Maximum charge time

  

  K.Hamamoto

  Resolved

  Part Number: BQ2002D Hi I have a simple question. The maximum charge time is configured by TM pin. The timer is configured at three-level.(Low , Mid , High) When is the start point of the maximum charge time? Is it when CC output go to high at fast…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• BQ2002D: Single Cell Configuration

  

  K.Hamamoto

  Resolved

  Part Number: BQ2002D Hi We (out customer) are going to use this device with single cell configuration. ( I had already posted before) https://e2e.ti.com/support/power_management/battery_management/f/179/p/668982/2496285#2496285 Then I have another…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• BQ2002D: Single cell configuration

  

  K.Hamamoto

  Resolved

  Part Number: BQ2002D Other Parts Discussed in Thread: LM317 , BQ2002 , TPS7A8101 , BQ2002C , BQ2002T Hi Our customer would like to use this device with a single NiMH battery cell. However there are mentioned at 2V on the datasheet as below. Is that…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• BQ2002D: TM pin and CC pin

  

  K.Hamamoto

  Resolved

  Part Number: BQ2002D Hi I have several questions about this device. (I already posted about VBAT pin configuration of this device. ) 1. TM pin. ; Can we leave this pin open if we do not use ? 2. TM pin. ; Does it mean that the charging stop…

  • Resolved

  • over 7 years ago
  • Power management
  • Power management forum

• BQ2002D: TM pin functions and large current charging solution

  

  K.Hamamoto

  Part Number: BQ2002D Other Parts Discussed in Thread: BQ2002 Hi I am sorry for the many question. Our customer ask some question about the behavior of BQ2002D. 1. Is there any way to disable the timer? (disable the TM pin function.) Because our…

  • over 7 years ago
  • Power management
  • Power management forum

• About response time of bq2002D

  

  Satoshi

  Other Parts Discussed in Thread: BQ2002D Please let me know about response time of bq2002D datasheet figure-2. ①Fast charge 　Response time from ⊿T/⊿t detect to CC:Low. ②VBAT<2V 　Response time from CC:Low to start VBAT judge. ③Battery Temperature…

  • over 9 years ago
  • Power management
  • Power management forum

• RE: BQ2002D CC Pin connection

  

  Ryan May

  The key is to find a LDO that has a lower dropout voltage. The goal will be select a LDO that has a Vdo of less than 1000mV

  • over 10 years ago
  • Power management
  • Power management forum

• RE: BQ2002: Charging stop

  

  K.Hamamoto

  Hi Bill-san, Do you have any update? If this phenomenon is not resolved , BQ2002D will be lost. Or it will be good for the customer if you have any other alternate solution without BQ2002D. Best Regards, Koji Hamamoto

  • over 7 years ago
  • Power management
  • Power management forum

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