Hello Team, We are planning to use the LTC3300-1 active balancer in a high-capacity 7s battery configuration. We have reviewed the demo boards and datasheet of the product. In the reference designs we examined, it is used together with the LTC6804 cell monitor. In this regard, we would appreciate your answers to the following questions: Is it possible to use the LTC3300-1 with a different cell monitor? What should we consider when integrating an alternative cell monitor? Can we directly connect the serial lines (SPI or other communication interfaces) of the LTC3300-1 to our processor for programming? If so, what is the recommended connection structure and key considerations? Is there a software manual available for the LTC3300-1? If so, could you please share it with us? We look forward to your response and appreciate your support. Best regard s, Hasan Bilir

Technical Questions Regarding LTC3300-1 Usage

HasanBilir

on Mar 14, 2025

Category: Hardware

Product Number: LTC3300-1

Hello Team,

We are planning to use the LTC3300-1 active balancer in a high-capacity 7s battery configuration. We have reviewed the demo boards and datasheet of the product. In the reference designs we examined, it is used together with the LTC6804 cell monitor.

In this regard, we would appreciate your answers to the following questions:

Is it possible to use the LTC3300-1 with a different cell monitor? What should we consider when integrating an alternative cell monitor?
Can we directly connect the serial lines (SPI or other communication interfaces) of the LTC3300-1 to our processor for programming? If so, what is the recommended connection structure and key considerations?
Is there a software manual available for the LTC3300-1? If so, could you please share it with us?

We look forward to your response and appreciate your support.

Best regards,

Hasan Bilir

0 MartyM

on Mar 24, 2025 12:09 PM
Hello,

1. Yes the LTC3300 can be used with other monitors. When the LTC3300 was released the LTC6804 was because it could monitor up to 12 cells and also communicate directly to the LTC3300s. This allowed only 1 isolator to be used. The number of cells in the stack is one of the main things to consider when choosing the monitor. Communication might be another.

2. In many cases isolation is required between the battery stack and low voltage system. If isolation is not needed then a processor can communicate directly to the lower LTC3300. Since 2x LTC3300s are required for 7 cells, the bottom LTC3300 will need to communicate with the top LTC3300 as described in the datasheet and DC2100 demo manual.

3. I could not find a software manual for this, sorry.
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Technical Questions Regarding LTC3300-1 Usage