• BQ2947: What's suggestion of bq2947 protector connect or setup procedure?

  

  Che yi Su

  TI Thinks Resolved

  Part Number: BQ2947 Hi TI experts, What's suggestion of bq2947 protector connect or setup procedure? I worry the wrong setup to cause OUT pin be high during cell1..2...3 connect.

  • over 5 years ago
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Answered

• BQ2947: delay time when CD capacitor is opened

  

  Kotaro Yamashita

  Resolved

  Part Number: BQ2947 Hello Team, I would like to understand that the delay time during OVP condition when CD cap is opened. Is that same of tCD_GND? Regards, Kotaro Yamashita

  • Resolved

  • over 4 years ago
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• BQ2947: BQ2947

  

  user5769678

  TI Thinks Resolved

  Part Number: BQ2947 Hi Guys, in the the datasheet is written that the bq2947 covers a OPV range from 3.85V to 4.6V and one has to select the desired OVP by choosing the correct suffix of the partnumber (for example bq2947 07 for 4.225V). My problem is…

  • over 6 years ago
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• BQ2947: BQ2947 with transistor instead of triggered fuse

  

  Jean Bouchat

  TI Thinks Resolved

  Part Number: BQ2947 Hello, Do you advice and tips regarding the use of P-Mosfet instead of triggered fuse (SFH-xxx) with BQ2947? This kind of fuse is not easily available and we have some false triggering when connecting the cells together to form the…

  • over 6 years ago
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• BQ2947: Impedance between monitoring pin(V1-V4)

  

  Katsu Sugita

  TI Thinks Resolved

  Part Number: BQ2947 Hi, There are pins of monitoring voltage (V1-V4) on BQ2947. could you please tell me how much Impedance are each pins? Thanks, Katsu

  • over 5 years ago
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• BQ2947: 3.850 OV threshold

  

  Hidekazu Someno

  TI Thinks Resolved

  Part Number: BQ2947 Other Parts Discussed in Thread: BQ7716 Hi, Team, My customer is requesting to prepare bq2947 with 3.850v OV threshold. But BQ7716 seems to have the same function as bq2947, and bq771605 with 3.850v OV threshold already exists. - What…

  • over 5 years ago
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• BQ2947: bq294

  

  Shane Ke

  TI Thinks Resolved

  Part Number: BQ2947 Hi Guys, Does this IC have any place in the following diagram that can work at 9KHz or faster ? Our end customer is asking if this device generates a 9khz above frequency by active circuit in bq2947.

  • over 6 years ago
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Answered

• BQ2947: CD pin Voltage

  

  Kotaro Yamashita

  Resolved

  Part Number: BQ2947 HI Team, How much voltage will apply at CD pin during OV condition? DS mentioned CD pin will be charged by VCD, however VCD value isn't clear on DS. Regards, Kotaro Yamashita

  • Resolved

  • over 6 years ago
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Answered

• BQ2947: Use this for 7 cell pack with 2 parts.

  

  Mike Mrazik

  Resolved

  Part Number: BQ2947 Other Parts Discussed in Thread: TIDA-00108 Hello, I have used the bq2947 part successfully on a 4s pack as a secondary over-voltage protection. I am in the process of developing a 7s pack but didn't see any components that perform…

  • Resolved

  • over 6 years ago
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• BQ2947: Does bq2947XX comply to any functional safety standard?

  

  Sho Kohama

  TI Thinks Resolved

  Part Number: BQ2947 Does any of bq2947XX 2nd protection IC complies to functional safety standard (such as IEC60730, IEC61508 or ISO26262)?

  • over 6 years ago
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