Part Number: BQ25756 Other Parts Discussed in Thread: BQ25758 Tool/software: Application requirement:
DC side: DC 9V~60V
Battery Side：1~14cell LiOn battery
Mode:
1. Charger mode: 9~60V DC input, charge to 1~14cells battery, Charge current need to be…
Part Number: BQ25756 Tool/software: Hi Team,
Could you please kindly help to below questions comes from customer:
#1 Customer system would connect DRV_Supply to 12V(external LDO output), and they want to check if there has power up sequence requirement…
Part Number: BQ25756 Tool/software: Hi ,
We are follow same BQ25756 EVM sch for our design .When connected our design PCB with BMS studio, we see DEVICE ACK ok & power good signal also ok ,but we can not get 5V REGN BUCK output . What should i do ?…
Part Number: BQ25756 Tool/software: Hello, Is the Bq25756 i2c addresses fixed at 0x6A? It was mentioned in the forum previously that two Bq25756 can be paralleled, but can we adjust each's programming parameters if both have the same I2C address? …
Dear Ethan.
Thank you for your response.
The ACUV/ACOV setting values are wide.
The resistance values are as follows. Do they need to be wider?
RAC1=1000kohm RAC2=10kohm RAC3=20kohm
Voltage range in BQ25756-DESIGN-CALC 37.8V - 61.8V
Please confirm.
Thank…
Part Number: BQ25756 Tool/software: I am incorporating a BQ25756 into a standalone charger only for 4 series 26650 Li-Ion cells, 3.2V, 9.6WH. Charging set to 2A (ICHG = 24.9k). Charging on/off controlled via CE line. Charger is put into low power "dormant…
Part Number: BQ25756 Tool/software: Hello i was looking the different registers of the BQ25756 and i noticed one of them is used to configure the driver streng of the Buck-Boost FETs the register i am talking about is in the attached picture. My question…
Part Number: BQ25756 Other Parts Discussed in Thread: BQ25750 , LM74930 Tool/software: Hi!
I have drone project.
It has Fuel cell and 12s-14s battery.
Battery is needed to provide high curent (up to 300A) to the system, when fuel cell can provide only…
Part Number: BQ25756 Tool/software: Hello again,
I was trying to figure out the correct default internal value of the Gate voltage, following the information in pins DRV_SUP and REGN.
I'm pretty sure it is 5V, but I would like confirmation on this…
