Part Number: BQ2003 Hello,
I am using this charger IC to charge NIMH cells. Can you please suggest me, what provision shall i provide to test the charging circuit without connecting the battery. I have given a provision of a 2 pin jumper at CHG pin.
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Part Number: BQ2003 Hello,
We use BQ2003 to charge 9.6V battery pack ( 8 cells x 1.2V). The input supply is 15V. Many times it gives wrong indication of charging complete when it is not charged fully. Please suggest some check points to sort out this…
Part Number: BQ2003 We are having difficulty starting a new charge cycle while in top-off mode by toggling the CCMD pin with a 1ms pulse.
Is there any reason that this should not work?
Datasheet says that this should start a new charge cycle. Item 3 under…
Hello Team TIE2E
We are using the BQ2003S to charge 2600mAH NiMH AA batteries in series:
The IC charges for a few minutes then indicates charged but the batteries are not charged.
I have searched and cannot find any symptom similar but the issue must…
Hello Astro,
The two posts you highlighted summarize the concerns when using this part for NiMH. The Cell Configuration is optimized for Li-Ion, so for your setup, you should set 1S instead of 3S on the CELL_BATPRESZ pin, and customize other settings…
Other Parts Discussed in Thread: BQ2000 , BQ2003 Hi, team,
Now we have one customer application of E-call for Automotive. and need NiMh charger with -20 -85 degree C. They have used BQ2000 before for T-box application, but with only 0-70 degree operating…
Hi Peter
I'm not exactly answering your question, but what we mostly do here in our projects using BQ2003, is the usage of a double pole relay to:
1 - Short circuit the shunt to prevent the problem you are mentioning;
2 - Desconnect the battery from…
Other Parts Discussed in Thread: BQ2004H , BQ2003 Hi
please find the circuit below, BQ2004H used as Linear mode charge controller and settings are as follows
a) Charge rate : C/8
b)Termination: -ΔV method and C/8
c) Auto discharge and Temperature…
Other Parts Discussed in Thread: BQ2004E , BQ2003 , BQ2004 Hello,
I've a little problem with my supervisor of charge. I use the BQ2004E in my system of charge.
When I put my batteries in my charger, it doesn’t detect them. I need to put high the INH…
