BLDC Motor Driver Design Inquiry

Worked

0:23

Started: Connect pull-up resistors for interfaces: create nets and add connections for: • 3V3: C3:P1, R1:P1, R2:P1 • I2C_SCL: R1:P2, U2:SCL, U9:SCL, U10:SCL, U1:SCL • I2C_SDA: R2:P2, U2:SDA, U9:SDA, U10:SDA, U1:SDA • BUS: C1:P1, R3:P1, R4:P1, R5:P1 • U4_EN1: R3:P2, U4:EN1 • U4_EN2: R4:P2, U4:EN2 • U5_EN: R5:P2, U5:EN.

Updated 7 nets

0:09

Connected C3:P1, R1:P1, R2:P1

Connected R1:P2, U2:SCL, U9:SCL, U10:SCL, U1:SCL

Connected R2:P2, U2:SDA, U9:SDA, U10:SDA, U1:SDA

Connected C1:P1, R3:P1, R4:P1, R5:P1

Connected R3:P2 to U4:EN1

Connected R4:P2 to U4:EN2

Connected R5:P2 to U5:EN

Worked

0:15

Started: Add inductors for DC/DC stages..

Added 2 components

0:04

Added 2x Generic Inductor as L1, L2

Working...

252d 22:31:16

Started: Add oscillators if an external clock is required....

Worked

2:31

Started: Add high-speed (32 MHz) and low-speed (32.768 kHz) crystals with appropriate load capacitors for the MCU..
Reading schematic for U2.
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Added 6 components

0:04

Added 1x NX1612SA-32MHZ-STD-CIS-3 as Y1

Added 1x ABS07-32.768KHZ-T as Y2

Added 4x Generic Capacitor as C4, C5, C6, C7

Worked

1:36

Started: Select and add connectors: USB-C, motor, encoder, I/O, and test points..
Search 5 components.
Search complete.

Added 8 components

0:07

Added 4x 5019 as TP1, TP2, TP3, TP4

Added 1x USB-C 2.0 Receptacle as J1

Added 1x DB126V-5.0-3P-GN as J2

Added 1x 0901301106 as J3

Added 1x 2x5 Pin Shrouded Header as J4

Worked

1:17

Started: Connect all nets: power rails to regulators, decoupling capacitors to their respective IC power pins, enable pins to their resistors, and all control and debug signal pins together by creating the necessary connections between component pins..
Read schematic.

Updated 7 nets

0:08

Connected U4:VIN, U5:IN, C1:P1

Connected U5:VCC to C2:P1

Connected U2:VDD to C3:P1

Connected U4:EN1 to R3:P1

Connected U4:EN2 to R4:P1

Connected U5:EN to R5:P1

Connected GND:GND, U4:GND, U5:GND, C1:P2, C2:P2, C3:P2, R3:P2, R4:P2, R5:P2

Working...

252d 22:24:17

Started: Review schematic completeness and add any missing components or nets....

Reading the design...

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High-Precision BLDC FOC Motor Driver Board

Properties

100 x 80

mm

20

mm

graph LR PowerInput[Power Input 12-48V] -->|DC| BusCap[Bus Capacitor] BusCap --> FETs[Power MOSFET Bridge] MCU[MCU (Cortex-M)] -->|PWM| GateDrive[Gate Driver IC] GateDrive --> FETs FETs --> Motor[BLDC Motor] FETs -->|Sense| CS[Current Sense Amplifier] CS --> MCU MCU -->|UART| Host[Host Interface] MCU -->|I2C| Hall[Hall Sensor Interface] Hall --> MotorSensor[Hall Sensors] MCU -->|ADC| VoltageDiv[Bus Voltage Sensing]

Hall

Industrial/Manufacturing

48

V

5–12 V

3.3

V

60

V

-40 to 85

°C

20

A

High-Precision BLDC FOC Motor Driver Board

10000

RPM

12-48

V

40

A

Pricing & Availability

Distributor

Qty 1

Arrow

$3.70–$8.00

Digi-Key

$4.20–$9.65

LCSC

$5.73

Mouser

$8.10

TME

$0.78

Verical

$6.33–$8.76

Controls