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  • RE: BQ76972: Measuring strange stack voltages in stacked design

    As a reminder our design is based on TIDA-010247 https://www.ti.com/tool/TIDA-010247#overview which seems to be optimized for 48V batteries. Ronan
    • Answered

  • BQ76952: Questions about Multi-MOSFET drive circuit

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: BQ76972 , TIDA-010208 , TIDA-010247 Tool/software: To whom it may concern, I am designing the driving circuit for multi MOSFETs circuit for BQ76972. Right now, I am following the recommendation in SLUAA09A…
    • Resolved
    • Answered

  • BQ76952: TDIA-010247 Schematcis

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: BQ76972 , BQ76942 , TIDA-010247 , MSPM0G3519 , MSP430FR2155 , TMP61 Tool/software: Hello, I've loaded the design files from https://www.ti.com/lit/zip/tidmb62 int Altium designer and i see that schematic…
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    • Answered

  • BQ76952EVM: Chaining multiple EVMs

    Resolved
    Part Number: BQ76952EVM Other Parts Discussed in Thread: TIDA-010247 , Tool/software: Hello, we're in process of designing BMS pretty similar to TIDA-010247. Our BMS will have 2 BQ769272 ICs to handle up to 32 cells. We're in early stages of the design…
    • Resolved

  • RE: BQ76952: staking the two AFE'S

    Hello Dimple, As mentioned in the diagram, you would want to change the resistor out to adapt to different PACK voltages. Section 3.3 Test Setup, Section 3.4 Test Results, and Figure 3-17. 120V On-PACK Port – Bottom AFE Maximum Voltage in the Design…

  • RE: BQ76952: Protection architecture on stack up and high current BQ76952

    Hello Fairuz, This device is built with integrated high-side FET drivers; however, our device can also be configured to drive low-side FETs as well. We have some resources here that may help with your decision: Design Considerations of Stacked BQ769x2…

  • RE: BQ76952: Wiring when connecting fewer than 16-cells

    OK thanks, so let's short them. Our design is quite similar to this TIDA: https://www.ti.com/tool/TIDA-010247 This design has an added balancing circuitry compared to EVM. Can it also be shorted externally at the terminal blocks?

  • RE: BQ76952: BQ76952 feasibility for 16S hardware BMS

    Hello Pooja, The BQ76952 is stackable as well. Please refer to this application note, Design Considerations of Stacked BQ769x2 With High-Side N-MOSFET , with the TIDA-010247 reference design. Best Regards, Alexis

  • BQ76952: Question about zener diode on gating pin of external balancing MOSFET

    TI Thinks Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010216 , , TIDA-010208 , TIDA-010247 Tool/software: To whom it may concern, I saw in the reference design for BQ76952 (TIDA-010216,TIDA-010208,TIDA-010247), there is a zener diode on gating pin…
    • Answered

  • BQ76952: DSG FET is not activated

    Resolved
    Part Number: BQ76952 Other Parts Discussed in Thread: TIDA-010247 , Tool/software: Hello, I'm using BQ76952EVM with 3 LFP cells. When i'm using DFETOFF pin or ALLFETSON command to start the discharge without the load attached all works fine - i see…
    • Resolved

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