Part Number: BQ2057T Hi,
My fabricated PCB design utilizes the BQ2057TSN with the FZT788B PNP BJT. Unfortunately, current lead times for the FZT788B BJT are in conflict with my project's time horizon. If there are any plausible substitutes with the…
Thanks Bill. Yes, you mentioned that. But it seems like BQ25171-Q1 part you proposed as alternate is not in stock right now and will be available to order middle of next year. I found bq2057TS and bq24172 in stock that could be used but the latter needs…
Part Number: BQ25171-Q1 Other Parts Discussed in Thread: BQ2057T ,
Hello There!
For my Li-ion battery charging application, I have just moved from BQ2057T to BQ25171-Q1. I'm using 9v input to charge a 7.4v battery by setting charge voltage to 8.4v. Below…
Part Number: BQ2057T Other Parts Discussed in Thread: BQ24004
Hi.
Refer to the circuit shown in Fig.1 of SLUS025F and change to the following parts. ・ Q1: 2SA2097 ・ C1: 10uF × 2 ・ RT1: 10kΩ ・ RT2: 39kΩ ・ Rsns, R1, C2 unchanged ・ Battery …
Part Number: BQ2057T My customer is asking question as below, but I can't find it on the datasheet.
Please answer. Thank you.
What is the Absolute Maximum rating of Voltage on CC pin of BQ2057T?
Part Number: BQ2057T Other Parts Discussed in Thread: BQ24133 , BQ2057 Hello everyone,
I'm working on a product that includes a Li-Ion battery pack-- and I'm trying to understand the best way to charge it safely, while still being able to use the device…
Part Number: BQ2057T Dear, All
Customers are testing with circuitry using BQ 2057T. Charge the battery pack is completed and leave it as it is. Since the battery pack side uses current in other circuits, the voltage of the battery drops when not charging…
Other Parts Discussed in Thread: BQ2057 Hi team,
My customer is using the BQ2057 now. And they find a problem, when using the adapter charge the battery, the battery voltage is 8.2v, when remove the adapter, the battery voltage is 7.8v. Do you know why…
Hello Kavesh,
I noticed you opened this thread for the 2057: https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1114302/bq2057t-bq2057ts-minimum-charging-current-in-cc-mode
Is that thread for the same issue as this…
Other Parts Discussed in Thread: BQ2057T , BQ2057 Hi team,
My customer Harbin Fenghua is evaluating our BQ2057T, they copy the design on datasheet Page.10 figure4 and only difference is they use a different MOSFET SI3457 instead of SI6475. But during the…