# q\.bit Robotics Controller

## Description

Six\-layer ESP32\-S3 modular robotics controller with eight magnetic 5\-pin docking ports, USB\-C PD input, 5 V / 8 A shared actuator power, and protected 2 A port outputs\.

## Project Details

- **Owner:** javohirg
- **Created:** 8/15/2026
- **Last Updated:** 9/8/2026
- **Visibility:** Public
- **Power Requirements:** 40W
- **Software:** ESP\-IDF
- **Implementation Details:** 155x85mm six\-layer PCB; bottom\-side electronics; eight top pogo docks
- **Connectivity:** WiFi/BLE
- **Domain:** Robotics
- **Operating Voltage:** 5V

## Key Components

### D1 — [SMBJ24A](https://flux.ai/cherepanyadima/smbj24a~2b.md)

- Role Details: 24 V standoff TVS on protected 20 V PD rail
- Datasheet URL: https://services\.taiwansemi\.com/storage/resources/datasheet/SMBJ%20SERIES\_R2104\.pdf
- Role: Protection
- Manufacturer Name: Taiwan Semiconductor Corporation
- Manufacturer Part Number: SMBJ24A\-TR
- Functional Group: USB\-C PD Input
- Part Type: TVS

**Pins:**
- A [pin 2]
- K [pin 1]

### D10 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role: Port ESD Protection
- Manufacturer Part Number: ESDA6V1BC6
- Manufacturer Name: STMicroelectronics
- Functional Group: Port Signal Protection
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D11 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Logic\-level Shifting
- Functional Group: Protected Port Power
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention

**Pins:**
- A [pin 2]
- K [pin 1]

### D12 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Logic\-level Shifting
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Functional Group: Protected Port Power

**Pins:**
- A [pin 2]
- K [pin 1]

### D13 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Role: Logic\-level Shifting
- Functional Group: Protected Port Power

**Pins:**
- A [pin 2]
- K [pin 1]

### D14 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Role: Logic\-level Shifting
- Manufacturer Part Number: BAT54H,115
- Functional Group: Protected Port Power

**Pins:**
- A [pin 2]
- K [pin 1]

### D15 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Role: Logic\-level Shifting
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Functional Group: Protected Port Power

**Pins:**
- A [pin 2]
- K [pin 1]

### D16 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Role: Logic\-level Shifting
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Functional Group: Protected Port Power

**Pins:**
- A [pin 2]
- K [pin 1]

### D17 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: Protected Port Power
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Role: Logic\-level Shifting
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Manufacturer Part Number: BAT54H,115

**Pins:**
- A [pin 2]
- K [pin 1]

### D18 — [BAT54H,115](https://flux.ai/jecstronic/bat54hc115~nbk.md)

- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: Diode combines active\-low port PG states into PORT\_FAULT\_N without push\-pull contention
- Functional Group: Protected Port Power
- Datasheet URL: https://assets\.nexperia\.com/documents/data\-sheet/BAT54H\.pdf
- Manufacturer Name: Nexperia USA Inc\.
- Part Type: Diode
- Manufacturer Part Number: BAT54H,115
- Role: Logic\-level Shifting

**Pins:**
- A [pin 2]
- K [pin 1]

### D2 — [USBLC6\-2SC6](https://flux.ai/vasy_skral/usblc6-2sc6~g1b.md)

- Manufacturer Part Number: USBLC6\-2SC6
- Symbol Style: parametric\-v1
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Protection
- Manufacturer Name: STMicroelectronics
- Datasheet URL: https://www\.st\.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750\.pdf/files/CD00050750\.pdf/jcr:content/translations/en\.CD00050750\.pdf
- Role: ESD Protection
- LCSC Part Number: C7519
- Role Details: Low\-capacitance protection for native USB pair
- Functional Group: Native USB

**Pins:**
- GND [pin 2]
- I/O1 [pin 6]
- I/O1 [pin 1]
- I/O2 [pin 3]
- I/O2 [pin 4]
- VBUS [pin 5]

### D3 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Manufacturer Part Number: ESDA6V1BC6
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Manufacturer Name: STMicroelectronics
- Role: Port ESD Protection
- Part Type: Protection
- Functional Group: Port Signal Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D4 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role: Port ESD Protection
- Manufacturer Part Number: ESDA6V1BC6
- Functional Group: Port Signal Protection
- Manufacturer Name: STMicroelectronics
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D5 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Manufacturer Part Number: ESDA6V1BC6
- Functional Group: Port Signal Protection
- Manufacturer Name: STMicroelectronics
- Role: Port ESD Protection
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D6 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role: Port ESD Protection
- Manufacturer Part Number: ESDA6V1BC6
- Manufacturer Name: STMicroelectronics
- Functional Group: Port Signal Protection
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D7 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role: Port ESD Protection
- Manufacturer Part Number: ESDA6V1BC6
- Manufacturer Name: STMicroelectronics
- Functional Group: Port Signal Protection
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D8 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Role: Port ESD Protection
- Manufacturer Part Number: ESDA6V1BC6
- Manufacturer Name: STMicroelectronics
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Functional Group: Port Signal Protection
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### D9 — [ESDA6V1BC6](https://flux.ai/vasy_skral/esda6v1bc6~1sc.md)

- Manufacturer Part Number: ESDA6V1BC6
- Manufacturer Name: STMicroelectronics
- Role Details: Quad bidirectional 5 V standoff protection array; three channels used per port
- Functional Group: Port Signal Protection
- Role: Port ESD Protection
- Part Type: Protection
- Datasheet URL: http://www\.st\.com/content/ccc/resource/technical/document/datasheet/21/07/21/e3/a8/df/42/a2/CD00001906\.pdf/files/CD00001906\.pdf/jcr:content/translations/en\.CD00001906\.pdf

**Pins:**
- COM [pin 5]
- COM [pin 2]
- TVS1 [pin 1]
- TVS2 [pin 3]
- TVS3 [pin 4]
- TVS4 [pin 6]

### F1 — [2410F 3A 250V](https://flux.ai/lcsc/2410f-3a-250v~gc04.md)

- Package or Case Code: FUSE\-SMD\_L6\.1\-W2\.5
- Role: Protection
- LCSC Part Number: C545404
- Part Type: Fuses
- Manufacturer Name: WALTER\(华德\)
- Manufacturer Part Number: 2410F 3A 250V
- JLCPCB Part Class: Extended Part
- Functional Group: USB\-C PD Input
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/lcsc/2005181037\_Walter\-Elec\-2410F\-3A\-250V\_C545404\.pdf
- Product Info Url: https://lcsc\.com/product\-detail/Surface\-Mount\-Fuses\_Walter\-Elec\-2410F\-3A\-250V\_C545404\.html
- Role Details: 3 A fuse on negotiated 20 V PD input\. Converter and source thermal capability must be bench\-validated; this fuse does not enforce a precise 5V\_MAIN output\-current limit\.

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### J1 — [USB4105\-GF\-A](https://flux.ai/adrian95/usb4105-gf-a~im9.md)

- Part Type: USB C
- License: https://creativecommons\.org/licenses/by/4\.0/
- Functional Group: USB\-C PD Input
- Symbol Style: parametric\-v1
- Role: External Connector
- Manufacturer Name: GCT
- Manufacturer Name: GCT
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/c2c7fba82d64960d510c5688ccda39e92973a3ef64f0758ccd8dce8a07cbda76\.pdf
- Role Details: Top\-side USB\-C receptacle; 20 V PD input and USB 2\.0 data
- Manufacturer Part Number: USB4105\-GF\-A

**Pins:**
- CC1 [pin A5]
- CC2 [pin B5]
- DN1 [pin A7]
- DN2 [pin B7]
- DP1 [pin A6]
- DP2 [pin B6]
- GND [pin A1\_B12]
- GND\_\_1 [pin B1\_A12]
- SBU1 [pin A8]
- SBU2 [pin B8]
- SHELL\_GND [pin SH1]
- SHELL\_GND\_\_1 [pin SH2]
- SHELL\_GND\_\_2 [pin SH3]
- SHELL\_GND\_\_3 [pin SH4]
- VBUS [pin A4\_B9]
- VBUS\_\_1 [pin B4\_A9]

### JPORT1 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- LCSC Part Number: C41361293
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Functional Group: Pogo Dock 1
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Role: Magnetic Dock Connector
- Role Details: Physical pads fixed: 1=PORT1\_5V, 2=GND, 3=PORT1\_SIG, 4=PORT1\_SDA, 5=PORT1\_SCL\.

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT2 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- LCSC Part Number: C41361293
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Functional Group: Pogo Dock 2
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Role: Magnetic Dock Connector
- Role Details: Physical pads fixed: 1=PORT2\_5V, 2=GND, 3=PORT2\_SIG, 4=PORT2\_SDA, 5=PORT2\_SCL\.

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT3 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Role: Magnetic Dock Connector
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- LCSC Part Number: C41361293
- Manufacturer Name: SAMZO
- Functional Group: Pogo Dock 3
- Role Details: Physical pads fixed: 1=PORT3\_5V, 2=GND, 3=PORT3\_SIG, 4=PORT3\_SDA, 5=PORT3\_SCL\.

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT4 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Role: Magnetic Dock Connector
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- LCSC Part Number: C41361293
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Functional Group: Pogo Dock 4
- Role Details: Physical pads fixed: 1=PORT4\_5V, 2=GND, 3=PORT4\_SIG, 4=PORT4\_SDA, 5=PORT4\_SCL\.

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT5 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Functional Group: Pogo Dock 5
- LCSC Part Number: C41361293
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Role: Magnetic Dock Connector
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Role Details: Physical pads fixed: 1=PORT5\_5V, 2=GND, 3=PORT5\_SIG, 4=PORT5\_SDA, 5=PORT5\_SCL\.

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT6 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Functional Group: Pogo Dock 6
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Role: Magnetic Dock Connector
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Role Details: Physical pads fixed: 1=PORT6\_5V, 2=GND, 3=PORT6\_SIG, 4=PORT6\_SDA, 5=PORT6\_SCL\.
- LCSC Part Number: C41361293

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT7 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Role Details: Physical pads fixed: 1=PORT7\_5V, 2=GND, 3=PORT7\_SIG, 4=PORT7\_SDA, 5=PORT7\_SCL\.
- Role: Magnetic Dock Connector
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- LCSC Part Number: C41361293
- Functional Group: Pogo Dock 7

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### JPORT8 — PR5L5015\-5P\-C\-H

- Mount: Through Hole
- Role: Magnetic Dock Connector
- LCSC Part Number: C41361293
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/6c8f3c90773acb3c73175acd9d1ef22075a51d1b8829d7c118accde8d8455757\.pdf
- Role Details: Physical pads fixed: 1=PORT8\_5V, 2=GND, 3=PORT8\_SIG, 4=PORT8\_SDA, 5=PORT8\_SCL\.
- Manufacturer Part Number: PR5L5015\-5P\-C\-H
- Manufacturer Name: SAMZO
- Functional Group: Pogo Dock 8

**Pins:**
- Contact 1 [pin 1]
- Contact 2 [pin 2]
- Contact 3 [pin 3]
- Contact 4 [pin 4]
- Contact 5 [pin 5]

### LED1 — [SML\-D13FWT86C](https://flux.ai/cherepanyadima/sml-d13fwt86c.md)

- Manufacturer Name: Rohm Semiconductor
- Manufacturer Part Number: SML\-D13FWT86C
- Functional Group: Indicators
- Datasheet URL: https://www\.snapeda\.com/parts/SML\-D13FWT86C/Rohm%20Semiconductor/datasheet/
- Role: Power LED
- Part Type: Optoelectronic Devices
- Role Details: Indicates 3V3 power present

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### LED2 — [150060BS73220](https://flux.ai/vasy_skral/150060bs73220~6g.md)

- Manufacturer Name: Würth Elektronik
- Functional Group: Indicators
- Role Details: GPIO\-driven system status indicator
- Role: Status LED
- License: https://creativecommons\.org/licenses/by/4\.0/
- Datasheet URL: https://www\.we\-online\.com/components/products/datasheet/150060BS73220\.pdf
- Part Type: LED
- Manufacturer Part Number: 150060BS73220

**Pins:**
- A [pin 2]
- K [pin 1]

### Q1 — [AONS66614](https://flux.ai/silicon-yard/aons66614.md)

- Package or Case Code: 8\-DFN \(5x6\)
- Part Type: Transistor
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/f2e0549afe9256ed3eab48b978f4fa3ab878187ce47c6265f947c8a09c109045\.pdf
- Manufacturer Part Number: AONS66614
- Manufacturer Name: Alpha & Omega Semiconductors
- Symbol Style: parametric\-v1
- Role Details: 60 V low\-RDS\(on\) external MOSFET for U2
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: High\-Side MOSFET
- Functional Group: 20V to 5V Main Buck

**Pins:**
- D\_1 [pin 5]
- D\_2 [pin 6]
- D\_3 [pin 7]
- D\_4 [pin 8]
- D\_5 [pin 9]
- G [pin 4]
- S\_1 [pin 1]
- S\_2 [pin 2]
- S\_3 [pin 3]

### Q2 — [AONS66614](https://flux.ai/silicon-yard/aons66614.md)

- Package or Case Code: 8\-DFN \(5x6\)
- Part Type: Transistor
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/f2e0549afe9256ed3eab48b978f4fa3ab878187ce47c6265f947c8a09c109045\.pdf
- Functional Group: 20V to 5V Main Buck
- Role Details: 60 V low\-RDS\(on\) external MOSFET for U2
- Manufacturer Part Number: AONS66614
- Role: Low\-Side MOSFET
- Manufacturer Name: Alpha & Omega Semiconductors
- Symbol Style: parametric\-v1
- License: https://creativecommons\.org/licenses/by/4\.0/

**Pins:**
- D\_1 [pin 5]
- D\_2 [pin 6]
- D\_3 [pin 7]
- D\_4 [pin 8]
- D\_5 [pin 9]
- G [pin 4]
- S\_1 [pin 1]
- S\_2 [pin 2]
- S\_3 [pin 3]

### RS1 — [WSLP12066L000FEA](https://flux.ai/3xalted0n3/wslp12066l000fea~3b.md)

- Role Details: 6 mOhm ±1%, 1 W shunt\. Estimated DC current\-limit onset: 7\.34 A low, 9\.40 A typical, 11\.79 A high using VCS=49/60/73 mV and L1 ±20% at nominal 20V/5V/2\.1MHz\. No guaranteed short\-current bound because LM5148 propagation delay has typical value only\.
- Manufacturer Name: Vishay
- Role: Sensing \(Shunt\)
- Manufacturer Part Number: WSLP12066L000FEA
- Datasheet URL: https://www\.vishay\.com/doc/?30122=
- Functional Group: 20V to 5V Main Buck
- Package or Case Code: RESC3216X89N

**Pins:**
- 1 [pin 1]
- 2 [pin 2]

### SW1 — [EVQ\-P7J01P](https://flux.ai/adrian95/evq-p7j01p~q5i.md)

- Part Type: Switch
- Manufacturer Name: Panasonic Electronic Components
- Role Details: Pulls ESP32 EN low
- Datasheet URL: https://api\.pim\.na\.industrial\.panasonic\.com/file\_stream/main/fileversion/245500
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role: Reset Switch
- Manufacturer Part Number: EVQ\-P7J01P
- Functional Group: MCU and Support

**Pins:**
- \(1\) [pin 1]
- \(2\) [pin 3]
- 1' [pin 2]
- 2' [pin 4]

### SW2 — [EVQ\-P7J01P](https://flux.ai/adrian95/evq-p7j01p~q5i.md)

- Part Type: Switch
- Role: Boot Switch
- Role Details: Pulls GPIO0 low for USB download boot
- Manufacturer Name: Panasonic Electronic Components
- Datasheet URL: https://api\.pim\.na\.industrial\.panasonic\.com/file\_stream/main/fileversion/245500
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: EVQ\-P7J01P
- Functional Group: MCU and Support

**Pins:**
- \(1\) [pin 1]
- \(2\) [pin 3]
- 1' [pin 2]
- 2' [pin 4]

### U1 — [CH224K](https://flux.ai/lcsc/ch224k~c4pa.md)

- Functional Group: USB\-C PD Input
- Part Type: USB ICs
- JLCPCB Part Class: Extended Part
- Power: 100W
- Symbol Style: parametric\-v1
- LCSC Part Number: C970725
- Package or Case Code: ESSOP\-10\_L4\.9\-W3\.9\-P1\.0\-LS6\.0\-TL\-EP
- Role: PD Controller
- Manufacturer Name: WCH\(南京沁恒\)
- License: https://creativecommons\.org/licenses/by/4\.0/
- Manufacturer Part Number: CH224K
- Input Voltage: 4 to 22V
- Role Details: CH224K fixed 20 V level request per CH224K/CH224D datasheet v1F: CFG1=0 \(GND\), CFG2=1 \(PD\_VDD\), CFG3=0 \(GND\), code 010\. Available current depends on negotiated source and cable\.
- Datasheet URL: https://components101\.com/sites/default/files/component\_datasheet/WCH\_CH224K\_ENG\.pdf

**Pins:**
- CC1 [pin 7]
- CC2 [pin 6]
- CFG1 [pin 9]
- CFG2 [pin 2]
- CFG3 [pin 3]
- DM [pin 5]
- DP [pin 4]
- GND [pin 11]
- PG [pin 10]
- VBUS [pin 8]
- VDD [pin 1]

### U10 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Role: Port eFuse
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Functional Group: Protected Port Power
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U11 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Functional Group: Protected Port Power
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Role: Port eFuse
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U12 — [ESP32\-S3\-WROOM\-1\-N8R8](https://flux.ai/lcsc/esp32-s3-wroom-1-n8r8~law5.md)

- JLCPCB Part Class: Extended Part
- Package or Case Code: WIRELM\-SMD\_ESP32\-S3\-WROOM\-1
- Operating Temperature: \-40°C \~ 65°C \(TA\)
- Role Details: ESP32\-S3\-WROOM\-1\-N8R8\. Universal SIG map: P1 GPIO1, P2 GPIO2, P3 GPIO4, P4 GPIO5, P5 GPIO6, P6 GPIO7, P7 GPIO8, P8 GPIO9; all ADC1/LEDC/GPIO\. I2C mux SDA=GPIO39, SCL=GPIO40, RESET\_N=GPIO10; UART0 GPIO43/44 preserved\.
- Manufacturer Name: ESPRESSIF\(乐鑫\)
- Functional Group: MCU and Support
- Role: Microcontroller Module
- License: https://creativecommons\.org/licenses/by/4\.0/
- Part Type: Module
- Frequency: 2\.4GHz
- LCSC Part Number: C2913201
- Manufacturer Part Number: ESP32\-S3\-WROOM\-1\-N8R8
- Current \- Receiving: 97mA \~ 100mA
- Voltage Supply: 3V \~ 3\.6V
- Current \- Transmitting: 273mA \~ 330mA
- Symbol Style: parametric\-v1
- Datasheet URL: https://www\.lcsc\.com/datasheet/C2913201\.pdf?spm=wm\.sxq\.inf\.ggs&lcsc\_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VWXlNTRlJdUTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D

**Pins:**
- 3V3 [pin 2]
- EN [pin 3]
- GND [pin 41\_6]
- GND [pin 41\_1]
- GND [pin 41\_4]
- GND [pin 41\_9]
- GND [pin 40]
- GND [pin 41\_2]
- GND [pin 41\_7]
- GND [pin 41\_3]
- GND [pin 41\_5]
- GND [pin 1]
- GND [pin 41\_8]
- IO0 [pin 27]
- IO1 [pin 39]
- IO10 [pin 18]
- IO11 [pin 19]
- IO12 [pin 20]
- IO13 [pin 21]
- IO14 [pin 22]
- IO15 [pin 8]
- IO16 [pin 9]
- IO17 [pin 10]
- IO18 [pin 11]
- IO19 [pin 13]
- IO2 [pin 38]
- IO20 [pin 14]
- IO21 [pin 23]
- IO3 [pin 15]
- IO35 [pin 28]
- IO36 [pin 29]
- IO37 [pin 30]
- IO38 [pin 31]
- IO39 [pin 32]
- IO4 [pin 4]
- IO40 [pin 33]
- IO41 [pin 34]
- IO42 [pin 35]
- IO45 [pin 26]
- IO46 [pin 16]
- IO47 [pin 24]
- IO48 [pin 25]
- IO5 [pin 5]
- IO6 [pin 6]
- IO7 [pin 7]
- IO8 [pin 12]
- IO9 [pin 17]
- RXD0 [pin 36]
- TXD0 [pin 37]

### U13 — [TCA9548A](https://flux.ai/yragisan/tca9548a~5r.md)

- Manufacturer Name: Texas Instruments Inc\.
- Role: Switching
- Role Details: TCA9548APWR, VCC=3\.3 V, A2:A1:A0=000 \(0x70\), GPIO10\-controlled active\-low reset with 10 kOhm pull\-up\. CH0\.\.CH7 map to PORT1\.\.PORT8; deselected stuck\-low channels are isolated\.
- Datasheet URL: https://www\.ti\.com/lit/ds/symlink/tca9548a\.pdf
- Functional Group: Isolated Port I2C
- Manufacturer Part Number: TCA9548APWR

**Pins:**
- \~RESET [pin 3]
- A0 [pin 1]
- A1 [pin 2]
- A2 [pin 21]
- GND [pin 12]
- SC0 [pin 5]
- SC1 [pin 7]
- SC2 [pin 9]
- SC3 [pin 11]
- SC4 [pin 14]
- SC5 [pin 16]
- SC6 [pin 18]
- SC7 [pin 20]
- SCL [pin 22]
- SD0 [pin 4]
- SD1 [pin 6]
- SD2 [pin 8]
- SD3 [pin 10]
- SD4 [pin 13]
- SD5 [pin 15]
- SD6 [pin 17]
- SD7 [pin 19]
- SDA [pin 23]
- VCC [pin 24]

### U2 — [LM5148RGYR](https://flux.ai/adrian95/lm5148rgyr.md)

- Package or Case Code: TO
- Datasheet URL: https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0db3f056025178a4d2aec29c0a02ac6ef7ea2feb84bd19128ae6392464efab54\.pdf
- Role: Buck Controller
- Role Details: 20V\_PD to 5V\_MAIN with RS1=6 mOhm\. Estimated DC current\-limit onset spans about 7\.34 A to 11\.79 A across specified VCS threshold, 1% shunt and L1 ±20% at nominal 2\.1 MHz\. Not a guaranteed hard rail limit because current\-sense propagation delay has no specified maximum; firmware aggregate\-load management is required\.
- Manufacturer Part Number: LM5148RGYR
- Part Type: Integrated Circuit
- Manufacturer Name: Texas Instruments
- Functional Group: 20V to 5V Main Buck
- Symbol Style: parametric\-v1

**Pins:**
- AGND\_1 [pin 7]
- AGND\_2 [pin 25]
- CBOOT [pin 15]
- CNFG [pin 3]
- EN [pin 19]
- EXTCOMP [pin 5]
- FB [pin 6]
- HO [pin 13]
- ISNS\+ [pin 20]
- LO [pin 11]
- NC\_1 [pin 1]
- NC\_2 [pin 2]
- NC\_3 [pin 22]
- NC\_4 [pin 23]
- NC\_5 [pin 24]
- PFM/SYNC [pin 18]
- PG/SYNCOUT [pin 17]
- PGND [pin 10]
- RT [pin 4]
- SW [pin 14]
- VCC [pin 9]
- VCCX [pin 16]
- VDDA [pin 8]
- VIN [pin 12]
- VOUT [pin 21]

### U3 — [AP63203WU\-7](https://flux.ai/adrian95/ap63203wu-7~o8a.md)

- Role: Logic Buck Regulator
- Manufacturer Part Number: AP63203WU\-7
- Manufacturer Name: Diodes Incorporated
- Functional Group: 3\.3V Logic Regulator
- Datasheet URL: https://www\.diodes\.com/assets/Datasheets/AP63200\-AP63201\-AP63203\-AP63205\.pdf
- Part Type: Integrated Circuit
- Symbol Style: parametric\-v1
- License: https://creativecommons\.org/licenses/by/4\.0/
- Role Details: 3\.3 V logic buck\. Reserve 0\.8 A of operational load allocation for ESP32, mux, LEDs, eFuse control and logic transients; enforce aggregate module loading in firmware\.

**Pins:**
- BST [pin 6]
- EN [pin 2]
- FB [pin 1]
- GND [pin 4]
- SW [pin 5]
- VIN [pin 3]

### U4 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Role: Port eFuse
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Functional Group: Protected Port Power
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U5 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Role: Port eFuse
- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Functional Group: Protected Port Power
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U6 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Functional Group: Protected Port Power
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Role: Port eFuse
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U7 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Role: Port eFuse
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Functional Group: Protected Port Power
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U8 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Manufacturer Part Number: MP5073GG\-Z
- Functional Group: Protected Port Power
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems
- Role: Port eFuse

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

### U9 — [MP5073GG\-Z](https://flux.ai/monolithicpower/mp5073gg-z~ggc.md)

- Product Image Url: https://www\.monolithicpower\.com/pub/media/catalog/product/M/P/MP5073\_474\_1\.jpg
- Functional Group: Protected Port Power
- Manufacturer Part Number: MP5073GG\-Z
- Role Details: Programmable 2 A load switch with EN, PG, soft\-start and discharge
- Role: Port eFuse
- Product Info Url: https://www\.monolithicpower\.com/en/catalog/product/view/id/474?utm\_source=ultralibrarian&utm\_medium=component\_search&utm\_campaign=listing
- Datasheet URL: https://www\.monolithicpower\.com/en/documentview/productdocument/index/version/2/document\_type/Datasheet/lang/en/sku/MP5073GG\-Z
- Package or Case Code: QFN\-12\_MP5073\_MNP
- Manufacturer Name: Monolithic Power Systems

**Pins:**
- EN [pin 1]
- GND [pin 2]
- ILIM [pin 4]
- NC [pin 10]
- NC [pin 8]
- NC [pin 7]
- PG [pin 12]
- SS [pin 5]
- VCC [pin 3]
- VIN [pin 13]
- VIN [pin 11]
- VIN [pin 6]
- VOUT [pin 9]

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/javohirg/qpbit\-robotics\-controller\~lw](https://flux.ai/javohirg/qpbit-robotics-controller~lw).*

---

*Generated from [https://flux\.ai/javohirg/qpbit\-robotics\-controller\~lw](https://flux.ai/javohirg/qpbit-robotics-controller~lw)*