# Interceptor 3948 ## Description Quad BLDC Drone interceptor with dual STM32G474 controllers, sensored motor feedback, and 22 V battery input. ## Project Details - **Owner:** gunny59 - **Created:** 6/14/2026 - **Last Updated:** 6/14/2026 - **Visibility:** Public - **Domain:** Drone ESC - **Power Requirements:** Battery - **Operating Voltage:** 22V - **Implementation Details:** Dual STM32G474 motor-control architecture - **Copies:** 1 ## Key Components ### D1 — [P6SMB33CA](https://www.flux.ai/adrian95/p6smb33ca~o8m.md) - Role Details: 33V-class TVS for 6S LiPo surge clamp; final energy rating to be checked against wiring/motor surge environment - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse Inc. - Role: Protection - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_p6smb_datasheet.pdf.pdf - Manufacturer Part Number: P6SMB33CA - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D2 — [P6SMB33CA](https://www.flux.ai/adrian95/p6smb33ca~o8m.md) - Role: Protection - Part Type: Diode - Datasheet URL: https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_p6smb_datasheet.pdf.pdf - Manufacturer Part Number: P6SMB33CA - Role Details: 6S ESC output TVS clamp near busbar/lug output; coordinate with external QS8-S connector and bolt-down fuse holder - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Littelfuse Inc. **Pins:** - A [pin 2] - K [pin 1] ### D3 — [SMF5.0A](https://www.flux.ai/lcsc/smf5p0a~bz6b.md) - LCSC Part Number: C2990427 - Role Details: 5V TVS on regulated external output rail - Diode Type: Schottky Diode - Role: Protection - Max Reverse Voltage: 5V - Manufacturer Part Number: SMF5.0A - Part Type: TVS - Datasheet URL: https://www.lcsc.com/datasheet/C2990427.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlBbUVFXRldaXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - JLCPCB Part Class: Extended Part - Manufacturer Name: Liown(里阳半导体) - Package or Case Code: SOD-123FL_L2.8-W1.8-LS3.6-RD - Forward Voltage: 0.45V to 0.55V (at 1A)V **Pins:** - 1 [pin 1] - 2 [pin 2] ### D4 — [SMF5.0A](https://www.flux.ai/lcsc/smf5p0a~bz6b.md) - LCSC Part Number: C2990427 - Role: Protection - Diode Type: Schottky Diode - Manufacturer Part Number: SMF5.0A - Max Reverse Voltage: 5V - Role Details: 5V TVS on regulated external output rail - Datasheet URL: https://www.lcsc.com/datasheet/C2990427.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlBbUVFXRldaXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Part Type: TVS - Manufacturer Name: Liown(里阳半导体) - Package or Case Code: SOD-123FL_L2.8-W1.8-LS3.6-RD - JLCPCB Part Class: Extended Part - Forward Voltage: 0.45V to 0.55V (at 1A)V **Pins:** - 1 [pin 1] - 2 [pin 2] ### D5 — [SS56](https://www.flux.ai/lcsc/ss56~hea6.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: SS56 - Manufacturer Name: MDD(Microdiode Semiconductor) - Forward Voltage: 0.55V - Package or Case Code: SMC_L6.9-W5.9-LS7.9-R-RD - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: LGS5145 external catch diode from SW to GND; verify thermal/current margin in final design - Diode Type: Schottky Diode - Datasheet URL: https://www.lcsc.com/datasheet/C65009.pdf?spm=wm.sxq.inf.ggs___wm.ssy.bg.0.xh&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRTlhaXlxfQlZWUjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C65009 - Role: Flyback / Freewheeling - Reverse Voltage: 60V - Part Type: Schottky Barrier Diodes (SBD) **Pins:** - A [pin 1] - K [pin 2] ### J1 — [XT60U-M](https://www.flux.ai/lcsc/xt60u-m~fud.md) - Role Details: 22 V nominal battery input; current rating must be confirmed against motor current - Symbol Style: parametric-v1 - Manufacturer Part Number: XT60U-M - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-TH_XT60U-M - LCSC Part Number: C129184 - Manufacturer Name: AMASS(艾迈斯) - Role: Power Input - Datasheet URL: https://www.micros.com.pl/mediaserver/Z_XT60U-M_0002.pdf - Part Type: Power Connectors - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - - [pin 2] - + [pin 1] ### J12 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - Manufacturer Part Number: HC-XHB-5A - JLCPCB Part Class: Extended Part - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A - Role Details: Flight-controller output: 5V, 3V3_A reference, GND, SPI/temperature interface spare pins; exact pinout to be refined - Part Type: Wire To Board / Wire To Wire Connector - LCSC Part Number: C2845493 - Manufacturer Name: HCTL(华灿天禄) - Role: Power Output **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J13 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: HC-XHB-5A - Role Details: E/O camera regulated output; initial rail 5V protected, current pending camera spec - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A - Part Type: Wire To Board / Wire To Wire Connector - Role: Power Output - Manufacturer Name: HCTL(华灿天禄) - LCSC Part Number: C2845493 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J14 — [7461147](https://www.flux.ai/adrian95/7461147.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/509b91cd886d4ebc18d269d7e7716a51c2c47949b4b624e2f403323b66d35323.pdf - Manufacturer Part Number: 7461147 - Manufacturer Name: Würth - Part Type: Connector - Role: Protection - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Current Rating: 180A - Role Details: QS8-S battery positive lug pad, raw 6S side before external 100A MIDI/MEGA fuse; Wurth REDCUBE 7461147 M5, library-listed up to 180A **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J15 — [7461147](https://www.flux.ai/adrian95/7461147.md) - Role: Protection - Symbol Style: parametric-v1 - Role Details: QS8-S battery negative / high-current return lug pad; Wurth REDCUBE 7461147 M5, library-listed up to 180A - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: Würth - Current Rating: 180A - Manufacturer Part Number: 7461147 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/509b91cd886d4ebc18d269d7e7716a51c2c47949b4b624e2f403323b66d35323.pdf **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J16 — [7461147](https://www.flux.ai/adrian95/7461147.md) - Part Type: Connector - Manufacturer Name: Würth - License: https://creativecommons.org/licenses/by/4.0/ - Current Rating: 180A - Manufacturer Part Number: 7461147 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/509b91cd886d4ebc18d269d7e7716a51c2c47949b4b624e2f403323b66d35323.pdf - Role Details: External MIDI/MEGA fuse holder input lug pad, raw 6S side; Wurth REDCUBE 7461147 M5, library-listed up to 180A - Symbol Style: parametric-v1 - Role: Protection **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J17 — [7461147](https://www.flux.ai/adrian95/7461147.md) - Current Rating: 180A - Symbol Style: parametric-v1 - Role: Protection - Manufacturer Part Number: 7461147 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/509b91cd886d4ebc18d269d7e7716a51c2c47949b4b624e2f403323b66d35323.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Name: Würth - Role Details: External MIDI/MEGA fuse holder output lug pad feeding protected 6S bus and ESC positive; Wurth REDCUBE 7461147 M5, library-listed up to 180A **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J18 — [7461147](https://www.flux.ai/adrian95/7461147.md) - Manufacturer Part Number: 7461147 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/509b91cd886d4ebc18d269d7e7716a51c2c47949b4b624e2f403323b66d35323.pdf - Role: Protection - Current Rating: 180A - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Würth - Part Type: Connector - Symbol Style: parametric-v1 - Role Details: ESC negative high-current return lug pad; Wurth REDCUBE 7461147 M5, library-listed up to 180A **Pins:** - 1 [pin 1] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - 14 [pin 14] - 15 [pin 15] - 16 [pin 16] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J2 — [1730405](https://www.flux.ai/adrian95/1730405.md) - Part Type: Connector - Manufacturer Name: Phoenix Contact - Datasheet URL: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-25-3-508-1730405?type=pdf - Role Details: M1 phase outputs U/V/W - Role: Motor Connector - Manufacturer Part Number: 1730405 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J3 — [1730405](https://www.flux.ai/adrian95/1730405.md) - Datasheet URL: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-25-3-508-1730405?type=pdf - Manufacturer Name: Phoenix Contact - Part Type: Connector - Role Details: M2 phase outputs U/V/W - Role: Motor Connector - Manufacturer Part Number: 1730405 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J4 — [1730405](https://www.flux.ai/adrian95/1730405.md) - Role Details: M3 phase outputs U/V/W - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1730405 - Role: Motor Connector - Part Type: Connector - Manufacturer Name: Phoenix Contact - Datasheet URL: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-25-3-508-1730405?type=pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J5 — [1730405](https://www.flux.ai/adrian95/1730405.md) - Datasheet URL: https://www.phoenixcontact.com/en-us/products/printed-circuit-board-terminal-mkds-25-3-508-1730405?type=pdf - Manufacturer Name: Phoenix Contact - Part Type: Connector - Role: Motor Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1730405 - Role Details: M4 phase outputs U/V/W **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### J6 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - Manufacturer Name: HCTL(华灿天禄) - LCSC Part Number: C2845493 - Part Type: Wire To Board / Wire To Wire Connector - Role Details: M1 Hall U/V/W + supply + ground - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A - JLCPCB Part Class: Extended Part - Role: Hall Connector - Manufacturer Part Number: HC-XHB-5A **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J7 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - Role: Hall Connector - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A - Manufacturer Part Number: HC-XHB-5A - JLCPCB Part Class: Extended Part - LCSC Part Number: C2845493 - Role Details: M2 Hall U/V/W + supply + ground - Manufacturer Name: HCTL(华灿天禄) - Part Type: Wire To Board / Wire To Wire Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J8 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - Part Type: Wire To Board / Wire To Wire Connector - LCSC Part Number: C2845493 - Manufacturer Name: HCTL(华灿天禄) - Role Details: M3 Hall U/V/W + supply + ground - Manufacturer Part Number: HC-XHB-5A - JLCPCB Part Class: Extended Part - Role: Hall Connector - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J9 — [HC-XHB-5A](https://www.flux.ai/lcsc/hc-xhb-5a~9d5.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: HC-XHB-5A - Package or Case Code: CONN-TH_5P-P2.50_HC-XHB-5A - Role Details: M4 Hall U/V/W + supply + ground - Role: Hall Connector - Part Type: Wire To Board / Wire To Wire Connector - Manufacturer Name: HCTL(华灿天禄) - LCSC Part Number: C2845493 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### RT1 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Beta: 3950K - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role Details: Low-side 10k NTC near Motor 1 MOSFET bridge - LCSC Part Number: C2892547 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: NTC Thermistors - Manufacturer Part Number: KNTC0603/10KF3950 - Manufacturer Name: KUU - Resistance: 10kΩ - Package: 0603 - Package or Case Code: R0603 - JLCPCB Part Class: Extended Part - Role: Voltage Division **Pins:** - 1 [pin 1] - 2 [pin 2] ### RT2 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Role: Voltage Division - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2892547 - Resistance: 10kΩ - Beta: 3950K - Part Type: NTC Thermistors - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Low-side 10k NTC near Motor 2 MOSFET bridge - Manufacturer Name: KUU - Manufacturer Part Number: KNTC0603/10KF3950 - Package or Case Code: R0603 - JLCPCB Part Class: Extended Part - Package: 0603 **Pins:** - 1 [pin 1] - 2 [pin 2] ### RT3 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Package: 0603 - Beta: 3950K - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - License: https://creativecommons.org/licenses/by/4.0/ - Role: Voltage Division - Part Type: NTC Thermistors - LCSC Part Number: C2892547 - Resistance: 10kΩ - Package or Case Code: R0603 - Manufacturer Part Number: KNTC0603/10KF3950 - Manufacturer Name: KUU - JLCPCB Part Class: Extended Part - Role Details: Low-side 10k NTC near Motor 3 MOSFET bridge **Pins:** - 1 [pin 1] - 2 [pin 2] ### RT4 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Package: 0603 - Role Details: Low-side 10k NTC near Motor 4 MOSFET bridge - LCSC Part Number: C2892547 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: NTC Thermistors - Role: Voltage Division - Manufacturer Part Number: KNTC0603/10KF3950 - Manufacturer Name: KUU - Package or Case Code: R0603 - Resistance: 10kΩ - JLCPCB Part Class: Extended Part - Beta: 3950K **Pins:** - 1 [pin 1] - 2 [pin 2] ### RT5 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Role Details: Low-side 10k NTC near main 6S input / surge protection - Package: 0603 - Beta: 3950K - JLCPCB Part Class: Extended Part - Manufacturer Part Number: KNTC0603/10KF3950 - Manufacturer Name: KUU - Package or Case Code: R0603 - Resistance: 10kΩ - LCSC Part Number: C2892547 - License: https://creativecommons.org/licenses/by/4.0/ - Role: Voltage Division - Part Type: NTC Thermistors - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D **Pins:** - 1 [pin 1] - 2 [pin 2] ### RT6 — [10KF3950](https://www.flux.ai/lcsc/10kf3950~k4cv.md) - Role Details: Low-side 10k NTC near regulator / power-management hot spot - Datasheet URL: https://www.lcsc.com/datasheet/C2892547.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNeR1VbVFNQRlJfUDsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Role: Voltage Division - Part Type: NTC Thermistors - License: https://creativecommons.org/licenses/by/4.0/ - LCSC Part Number: C2892547 - Package: 0603 - Beta: 3950K - Package or Case Code: R0603 - Resistance: 10kΩ - Manufacturer Name: KUU - Manufacturer Part Number: KNTC0603/10KF3950 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [STM32G474CBT6](https://www.flux.ai/lcsc/stm32g474cbt6~ckel.md) - Role Details: STM32G474 controller for DRV8308 channels U3/U4 - Part Type: ST Microelectronics - Manufacturer Part Number: STM32G474CBT6 - Role: Microcontroller - Manufacturer Name: ST(意法半导体) - LCSC Part Number: C730123 - Product Info Url: https://lcsc.com/product-detail/Pre-ordered-MCUs_STMicroelectronics-STM32G474CBT6_C730123.html - JLCPCB Part Class: Extended Part - Package or Case Code: LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32G474CBT6_C730123.pdf **Pins:** - PA0 [pin 8] - PA1 [pin 9] - PA10 [pin 32] - PA11 [pin 33] - PA12 [pin 34] - PA13 [pin 37] - PA14 [pin 38] - PA15 [pin 39] - PA2 [pin 10] - PA3 [pin 11] - PA4 [pin 12] - PA5 [pin 13] - PA6 [pin 14] - PA7 [pin 15] - PA8 [pin 30] - PA9 [pin 31] - PB0 [pin 16] - PB1 [pin 17] - PB10 [pin 22] - PB11 [pin 25] - PB12 [pin 26] - PB13 [pin 27] - PB14 [pin 28] - PB15 [pin 29] - PB2 [pin 18] - PB3 [pin 40] - PB4 [pin 41] - PB5 [pin 42] - PB6 [pin 43] - PB7 [pin 44] - PB8-BOOT0 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14-OSC32_IN [pin 3] - PC15-OSC32_OUT [pin 4] - PF0-OSC_IN [pin 5] - PF1-OSC_OUT [pin 6] - PG10-NRST [pin 7] - VBAT [pin 1] - VDD [pin 36] - VDD [pin 24] - VDD [pin 48] - VDDA [pin 21] - VREF+ [pin 20] - VSS [pin 23] - VSS [pin 47] - VSS [pin 35] - VSSA [pin 19] ### U2 — [STM32G474CBT6](https://www.flux.ai/lcsc/stm32g474cbt6~ckel.md) - Role: Microcontroller - LCSC Part Number: C730123 - Product Info Url: https://lcsc.com/product-detail/Pre-ordered-MCUs_STMicroelectronics-STM32G474CBT6_C730123.html - Manufacturer Part Number: STM32G474CBT6 - Part Type: ST Microelectronics - Manufacturer Name: ST(意法半导体) - Package or Case Code: LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32G474CBT6_C730123.pdf - Role Details: STM32G474 controller for DRV8308 channels U5/U6 **Pins:** - PA0 [pin 8] - PA1 [pin 9] - PA10 [pin 32] - PA11 [pin 33] - PA12 [pin 34] - PA13 [pin 37] - PA14 [pin 38] - PA15 [pin 39] - PA2 [pin 10] - PA3 [pin 11] - PA4 [pin 12] - PA5 [pin 13] - PA6 [pin 14] - PA7 [pin 15] - PA8 [pin 30] - PA9 [pin 31] - PB0 [pin 16] - PB1 [pin 17] - PB10 [pin 22] - PB11 [pin 25] - PB12 [pin 26] - PB13 [pin 27] - PB14 [pin 28] - PB15 [pin 29] - PB2 [pin 18] - PB3 [pin 40] - PB4 [pin 41] - PB5 [pin 42] - PB6 [pin 43] - PB7 [pin 44] - PB8-BOOT0 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14-OSC32_IN [pin 3] - PC15-OSC32_OUT [pin 4] - PF0-OSC_IN [pin 5] - PF1-OSC_OUT [pin 6] - PG10-NRST [pin 7] - VBAT [pin 1] - VDD [pin 36] - VDD [pin 24] - VDD [pin 48] - VDDA [pin 21] - VREF+ [pin 20] - VSS [pin 23] - VSS [pin 47] - VSS [pin 35] - VSSA [pin 19] ### U3 — [DRV8308RHAR](https://www.flux.ai/lcsc/drv8308rhar~ndub.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: DRV8308RHAR - Package or Case Code: VQFN-40_L6.0-W6.0-P0.50-TL-EP - Product Info Url: https://lcsc.com/product-detail/Motor-Drivers_TI_DRV8308RHAR_DRV8308RHAR_C181641.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809301215_Texas-Instruments-DRV8308RHAR_C181641.pdf - LCSC Part Number: C181641 - Role Details: One DRV8308 per BLDC motor; drives external 3-phase MOSFET bridge for M1 - Part Type: Motor Driver ICs - Manufacturer Name: TI(德州仪器) - Role: Motor Driver **Pins:** - BRAKE [pin 20] - CLKIN [pin 19] - CP1 [pin 30] - CP2 [pin 29] - DIR [pin 21] - ENABLE [pin 22] - FAULTn [pin 17] - FGFB [pin 8] - FGINN_TACH [pin 9] - FGINP [pin 10] - FGOUT [pin 16] - GND [pin 26] - GND [pin 41] - ISEN [pin 31] - LOCKn [pin 18] - RESET [pin 23] - SCLK [pin 11] - SCS [pin 12] - SDATAI [pin 14] - SDATAO [pin 15] - SMODE [pin 13] - U [pin 33] - UHN [pin 2] - UHP [pin 1] - UHSG [pin 32] - ULSG [pin 34] - V [pin 36] - VCP [pin 28] - VHN [pin 4] - VHP [pin 3] - VHSG [pin 35] - VINT [pin 25] - VLSG [pin 37] - VM [pin 27] - VREG [pin 24] - VSW [pin 7] - W [pin 39] - WHN [pin 6] - WHP [pin 5] - WHSG [pin 38] - WLSG [pin 40] ### U4 — [DRV8308RHAR](https://www.flux.ai/lcsc/drv8308rhar~ndub.md) - JLCPCB Part Class: Extended Part - Role Details: One DRV8308 per BLDC motor; drives external 3-phase MOSFET bridge for M2 - Product Info Url: https://lcsc.com/product-detail/Motor-Drivers_TI_DRV8308RHAR_DRV8308RHAR_C181641.html - Manufacturer Part Number: DRV8308RHAR - Package or Case Code: VQFN-40_L6.0-W6.0-P0.50-TL-EP - LCSC Part Number: C181641 - Part Type: Motor Driver ICs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809301215_Texas-Instruments-DRV8308RHAR_C181641.pdf - Role: Motor Driver - Manufacturer Name: TI(德州仪器) **Pins:** - BRAKE [pin 20] - CLKIN [pin 19] - CP1 [pin 30] - CP2 [pin 29] - DIR [pin 21] - ENABLE [pin 22] - FAULTn [pin 17] - FGFB [pin 8] - FGINN_TACH [pin 9] - FGINP [pin 10] - FGOUT [pin 16] - GND [pin 26] - GND [pin 41] - ISEN [pin 31] - LOCKn [pin 18] - RESET [pin 23] - SCLK [pin 11] - SCS [pin 12] - SDATAI [pin 14] - SDATAO [pin 15] - SMODE [pin 13] - U [pin 33] - UHN [pin 2] - UHP [pin 1] - UHSG [pin 32] - ULSG [pin 34] - V [pin 36] - VCP [pin 28] - VHN [pin 4] - VHP [pin 3] - VHSG [pin 35] - VINT [pin 25] - VLSG [pin 37] - VM [pin 27] - VREG [pin 24] - VSW [pin 7] - W [pin 39] - WHN [pin 6] - WHP [pin 5] - WHSG [pin 38] - WLSG [pin 40] ### U5 — [DRV8308RHAR](https://www.flux.ai/lcsc/drv8308rhar~ndub.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809301215_Texas-Instruments-DRV8308RHAR_C181641.pdf - Part Type: Motor Driver ICs - LCSC Part Number: C181641 - Manufacturer Name: TI(德州仪器) - Role: Motor Driver - Role Details: One DRV8308 per BLDC motor; drives external 3-phase MOSFET bridge for M3 - JLCPCB Part Class: Extended Part - Package or Case Code: VQFN-40_L6.0-W6.0-P0.50-TL-EP - Manufacturer Part Number: DRV8308RHAR - Product Info Url: https://lcsc.com/product-detail/Motor-Drivers_TI_DRV8308RHAR_DRV8308RHAR_C181641.html **Pins:** - BRAKE [pin 20] - CLKIN [pin 19] - CP1 [pin 30] - CP2 [pin 29] - DIR [pin 21] - ENABLE [pin 22] - FAULTn [pin 17] - FGFB [pin 8] - FGINN_TACH [pin 9] - FGINP [pin 10] - FGOUT [pin 16] - GND [pin 26] - GND [pin 41] - ISEN [pin 31] - LOCKn [pin 18] - RESET [pin 23] - SCLK [pin 11] - SCS [pin 12] - SDATAI [pin 14] - SDATAO [pin 15] - SMODE [pin 13] - U [pin 33] - UHN [pin 2] - UHP [pin 1] - UHSG [pin 32] - ULSG [pin 34] - V [pin 36] - VCP [pin 28] - VHN [pin 4] - VHP [pin 3] - VHSG [pin 35] - VINT [pin 25] - VLSG [pin 37] - VM [pin 27] - VREG [pin 24] - VSW [pin 7] - W [pin 39] - WHN [pin 6] - WHP [pin 5] - WHSG [pin 38] - WLSG [pin 40] ### U6 — [DRV8308RHAR](https://www.flux.ai/lcsc/drv8308rhar~ndub.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: DRV8308RHAR - Package or Case Code: VQFN-40_L6.0-W6.0-P0.50-TL-EP - Product Info Url: https://lcsc.com/product-detail/Motor-Drivers_TI_DRV8308RHAR_DRV8308RHAR_C181641.html - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809301215_Texas-Instruments-DRV8308RHAR_C181641.pdf - Role Details: One DRV8308 per BLDC motor; drives external 3-phase MOSFET bridge for M4 - Role: Motor Driver - LCSC Part Number: C181641 - Part Type: Motor Driver ICs - Manufacturer Name: TI(德州仪器) **Pins:** - BRAKE [pin 20] - CLKIN [pin 19] - CP1 [pin 30] - CP2 [pin 29] - DIR [pin 21] - ENABLE [pin 22] - FAULTn [pin 17] - FGFB [pin 8] - FGINN_TACH [pin 9] - FGINP [pin 10] - FGOUT [pin 16] - GND [pin 26] - GND [pin 41] - ISEN [pin 31] - LOCKn [pin 18] - RESET [pin 23] - SCLK [pin 11] - SCS [pin 12] - SDATAI [pin 14] - SDATAO [pin 15] - SMODE [pin 13] - U [pin 33] - UHN [pin 2] - UHP [pin 1] - UHSG [pin 32] - ULSG [pin 34] - V [pin 36] - VCP [pin 28] - VHN [pin 4] - VHP [pin 3] - VHSG [pin 35] - VINT [pin 25] - VLSG [pin 37] - VM [pin 27] - VREG [pin 24] - VSW [pin 7] - W [pin 39] - WHN [pin 6] - WHP [pin 5] - WHSG [pin 38] - WLSG [pin 40] ### U7 — [LMR33630-Q1](https://www.flux.ai/adrian95/lmr33630-q1.md) - Datasheet URL: https://www.ti.com/lit/gpn/lmr33630-q1 - Part Type: DC-DC Converters - Symbol Style: parametric-v1 - Package or Case Code: VQFN-HR (RNX) | 12, RNX0012B, 3 x 2 x 0.85 mm - Role Details: 6S input to 5V auxiliary rail, initial 3A budget until FC/camera loads are specified - Role: Power Conversion - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LMR33630AQRNXRQ1 **Pins:** - AGND [pin 6] - BST [pin 4] - EN [pin 9] - FB [pin 7] - NC [pin 3] - PG [pin 8] - PGND [pin 1] - PGND [pin 11] - SW [pin 12] - VCC [pin 5] - VIN [pin 2] - VIN [pin 10] ### U8 — [LGS5145](https://www.flux.ai/adrian95/lgs5145~40t.md) - LCSC Part Number: C5123971 - Role: Power Conversion - Integrated Circuit Type: Power Management - Manufacturer Name: Legend-Si - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: LGS5145 - Role Details: 6S input to 3V3_A logic/analog rail, initial 1A budget for STM32 logic interfaces and NTC dividers - Part Type: Integrated Circuit - Datasheet URL: https://www.lcsc.com/datasheet/C5123971.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=T1kIXgFeT1NaU1RXQFBbUlUHT1cKU1NXFVBeX1VSTlAxVlNRT1NeUFVXT1RaVjsOAxUeFF5JWBYZEEoBGA4JCwFIFA4DSA%3D%3D **Pins:** - BST [pin 1] - EN [pin 4] - FB [pin 3] - GND [pin 2] - SW [pin 6] - VIN [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/gunny59/interceptor-3948~i0](https://www.flux.ai/gunny59/interceptor-3948~i0).* --- *Generated from [https://www.flux.ai/gunny59/interceptor-3948~i0](https://www.flux.ai/gunny59/interceptor-3948~i0)*