Part Number: BQ2057 Hi team,
Here's an issue from the customer may need your help:
BQ2 0 5 7 W T S TR is used. The circuit is designed according to the spec recommendations: a 12-V input, 8.4-V output positive series fuse, and then a short circuit test with…
Part Number: BQ34Z100-G1 Other Parts Discussed in Thread: BQ2057 , , BQ34Z100 Hello,
I want to connect BQ34Z100-G1 fuel gauge to battery charging IC BQ2057 .
To check their compatibility I tried using Pspice for TI but couldn't find either BQ2057 or BQ34Z100…
Part Number: BQ2057 Other Parts Discussed in Thread: BQ25170 , BQ24040 Hi Team,
We would like to ask your help regarding our customer's inquiry below.
Now we are working at a charging circuit using BQ2057CSN IC, we are trying for 1Amp current but this…
Part Number: BQ2057
Hi Team,
Good day! Could you please check the datasheet on page 13 regarding the the temperature sensing calculations.
As per customer below:
I am using a vishay 1k Ohm PTC thermistor with an RTH of 1084 k and an RTC of 900 ohm.
The…
Part Number: BQ2057 Other Parts Discussed in Thread: BQ25882 , BQ25883 , BQ25886 , BQ25887 , BQ25171-Q1 , TPS61372 , TPS61087 , TPS55330 Can BQ2057WSNTR be used for 5V USB charging? Is there a recommended external Boost IC?
Part Number: BQ2057 Hello, I'm more towrds the software side. So forgive me for the basic question.
Where on earth should I connect the load when refering to the application diagram (figure 4) on the BQ2057 datasheet.
On VBAT or COMP? If on VBAT won…
Part Number: BQ2057 Hi,
I am making a battery charger/management circuit for a 4.1V Li-ion battery.
For this i am using the application circuit of BQ2057 at page 07.
Except I am using Rsns = 1Kohm.
In this case, the status pin is always glowing even if…
Part Number: BQ2057 Hello,
On behalf of a customer, I would like to post their question to you:
As you may know that IT/AV new safety standard IEC/EN/UL 62368-1 will be implemented very soon, we are certifying our products according to this new standard…
Part Number: BQ2057 Other Parts Discussed in Thread: BQ24004 Hi Team
customer using bq2057 with the following schematic.
with no load the output is 8.4V, however, once the battery is connected to Bat+/Bat- it becomes 9.1V
the design disable the thermistor…
Hi Oscar
I do not recommend the BQ2057 due to age of the device, it was released in 2001.
We have newer better devices that would meet your needs.
Take a look at the BQ25306 this is a switching converter with similar performances.
If you want to separate…