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https://cdn2.flux.ai/flux-comment-files/files/commentFileId-8d8e73068891e34af7e1...

This is the reference schematic for the DRV8305 Motor Driver board for controlling BLDC Motors with SimpleFOC framework for Robotics application.
1y
Image

Image

https://cdn2.flux.ai/flux-comment-files/files/commentFileId-8d8e73068891e34af7e18900cdc2df8f099f8eecbdd422edbff07b3971d93db2.png?GoogleAccessId=graviton-mvp%40appspot.gserviceaccount.com&Expires=4889603125&Signature=MLXa41hK9q8VfZKW39IriawZLB2ow7oMbfxWMcJmoEOcG%2BCwNIXKXdSWZ6t9qbKKZVf%2FteUmbok7Ch1SxlhTcpOL01HuAbkHTcVksSpArOx089GcRkodexAl7%2BAKG2ofXLfc7txBiqaA1FsISKk%2FjoVByxugCYutt1rZcEnC%2BDbHIxlMYRnDX5VJzjHbKWjlDpc4ccpqeOYvJnwhrDvhAn0xAvrPhXmB5GlLqZFXzR3VESPVJgQIzcShnEnXrPcgne1Cgbha8vW23qd3pQzNPkvmhMshy2vrYs7oadQxUZhzPdZe8cRitI03%2FM%2FfgLOJCeQKEdcPw%2Fc7veFiSy4ycw%3D%3D
1y
1
Hi Copilot, can you suggest me some guidelines to proceed with this project

@copilot Hi Copilot, can you suggest me some guidelines to proceed with this project
1y
Sure! To get started with your DRV8305NQPHPRQ1 BLDC motor driver board for Simple FOC (Field Oriented Control), here are some guidelines to follow:
  1. Reviewing the Datasheet:
    • Go through the DRV8305-Q1 datasheet to understand its features, pin configuration, electrical characteristics, and application notes. Some details, like the IC's operating voltage range $4.4-V$ to $45-V$, and its integrated protection features like overcurrent, overtemperature, overvoltage, and undervoltage, are crucial to consider.
  2. Component Placement:
    • Based on the DRV8305's function as a gate driver for a 3-phase BLDC motor, position it such that connections to the MOSFETs are minimized. Ensure the GND pins (IC1:14, IC1:45, IC1:49) have a good ground plane connection for stability.
  3. Power Supply:
    • Ensure that the input voltage (PVDD) is within the allowed range $4.4-V$ to $45-V$. Incorporate adequate power supply decoupling capacitors near the PVDD pin to filter noise.
  4. Logic and Gate Control:
    • Connect the ENABLE pin (IC1:1) to your microcontroller or the logic HIGH to enable the driver.
    • The gate control inputs (INHA, INLA, INHB, INLB, INHC, INLC) (IC1:2, IC1:3, etc.) will be driven by your control signals generated from the FOC algorithm.
  5. Protection and Feedback:
    • Make use of the nFAULT pin (IC1:8) to monitor any fault condition in the IC.
    • Use integrated current shunt amplifiers (SO1, SO2, SO3) (IC1:16, IC1:17, IC1:18) to accurately measure current for FOC.
  6. Motor Connections:
    • Ensure that the output connections to the MOSFETs and motor phases are short to minimize power losses and EMI.
These guidelines should help you get a good start on your project. If you have any further questions or need more specific advice on any part, feel free to ask!
1y
please wire the pin 37 to 49 with coresponding passive components
1y
Sure! Here is an explanation and interconnection guideline for the DRV8305NQPHPRQ1 from pin 37 to pin 49 with the corresponding passive components based on the project information:
  1. Pin 37: VCP_LSD
    • Connect IC1:37\text{IC1:37} to C4:P1\text{C4:P1}.
  2. Pin 38: VCPH
    • Connect IC1:38\text{IC1:38} to C6:P2\text{C6:P2}.
  3. Pin 39: CP2H
    • Connect IC1:39\text{IC1:39} to C7:P1\text{C7:P1}.
  4. Pin 40: CP2L
    • Connect IC1:40\text{IC1:40} to C7:P2\text{C7:P2}.
  5. Pin 41: PVDD
    • [Details not provided.] Make sure to connect this pin to your supply voltage within the allowed range.
  6. Pin 42: CP1L
    • Connect IC1:42\text{IC1:42} to C8:P2\text{C8:P2}.
  7. Pin 43: CP1H
    • Connect IC1:43\text{IC1:43} to C8:P1\text{C8:P1}.
  8. Pin 44: VDRAIN
    • Connect IC1:44\text{IC1:44} to R4:P2\text{R4:P2}.
  9. Pin 45: GND_2
    • Connect this pin (IC1:45\text{IC1:45}) to the common ground plane.
  10. Pin 46: DVDD
    • Connect this pin to the required digital voltage, usually sourced from a regulator like U3.
  11. Pin 47: WAKE
    • This pin should be connected to a control signal that enables the device from a low-power state.
  12. Pin 48: VREG
    • Ensure adequate decoupling; usually requires a capacitor to ground.
  13. Pin 49: GND_3
    • Connect to the common ground plane to ensure all grounds are tied together.
These guidelines will help wire the necessary connections to integrate the passive components properly while ensuring each pin's function is maintained. If you need further assistance or refinement, feel free to ask!
1y
To delete the connection involving the pins of IC1 between pin 15 (AVDD) and pin 16 (SO1), you can follow these steps in your Flux project:
  1. Identify the Connection:
    • Locate the net or wire that connects pins 15 (AVDD) and 16 (SO1) of IC1.
  2. Delete the Wire:
    • Select the wire that connects these two pins. In most CAD environments, you can click on the wire and press the 'Delete' key or use a right-click context menu to remove the wire.
  3. Verify the Deletion:
    • Ensure the netlist reflects this change and there's no longer a continuity path between these two pins.
By doing this, you remove the electrical connection between the specified pins. If you need step-by-step assistance within the Flux environment or have another task, feel free to ask!
1y
Please remove wire from pin 14 -15
1y
To remove the wire connections from pins 14 and 15 on the DRV8305NQPHPRQ1, here are the steps:
  1. Pin 14: GND_1
    • Ensure there are no connections to your ground plane or any components. This pin should remain unconnected.
  2. Pin 15: AVDD
    • Disconnect any wire or component connections from this pin.
If there were any specific connections that you've already made, they should be removed according to your needs. If further adjustments or connections are needed for the rest of the pins, feel free to let me know!
1y
2
FB
SW
L1
U3
C16
Capacitance
100nF


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DRV8305 BLDC Motor Driver board for Simple F.O.C.

DRV8305 BLDC Motor Driver board for Simple F.O.C. thumbnail
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