# current_limiter ## Description This is a design to limit the in-rush current when powering on a EV Motor controller. ## Project Details - **Owner:** ril3y - **Created:** 7/2/2023 - **Last Updated:** 2/27/2024 - **Visibility:** Public - **Forks:** 1 - **Copies:** 1 ## Key Components ### — [M2 Mounting Hole](https://www.flux.ai/vasyl/m2-mounting-hole~st.md) **Pins:** - ~ ### CANBUS INPUT — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Datasheet URL: https://www.lcsc.com/product-detail/Screw-terminal_Ningbo-Kangnex-Elec-WJ126V-5-0-2P_C8404.html - Part Type: Connector - Manufacturer Part Number: WJ126V-5.0-2P **Pins:** - P1 [pin 1] - P2 [pin 2] ### D1 — [1N5408](https://www.flux.ai/jecstronic/1n5408~qey.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n5400.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Galco Industrial Electronics - Manufacturer Part Number: 1N5408 - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [Variable Voltage 1A Buck Converter](https://www.flux.ai/corynrobinson/variable-voltage-1a-buck-converter~dq.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps561208.pdf?ts=1678437695389&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FTPS561208 - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS561208DDCR **Pins:** - EN [pin 5] - GND [pin 1] - SW [pin 2] - VBST [pin 6] - VFB [pin 4] - VIN [pin 3] ### J1 — [Pin Header 01x04 2.54mm Horizontal](https://www.flux.ai/adrian95/pin-header-01x04-254mm-horizontal~8ch.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### J2 — [Pin Header 02x03 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-02x03-254mm-vertical~z8m.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### J3 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Manufacturer Part Number: WJ126V-5.0-2P - Datasheet URL: https://www.lcsc.com/product-detail/Screw-terminal_Ningbo-Kangnex-Elec-WJ126V-5-0-2P_C8404.html - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### J4 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Datasheet URL: https://www.lcsc.com/product-detail/Screw-terminal_Ningbo-Kangnex-Elec-WJ126V-5-0-2P_C8404.html - Part Type: Connector - Manufacturer Part Number: WJ126V-5.0-2P **Pins:** - P1 [pin 1] - P2 [pin 2] ### J5 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Part Type: Connector - Datasheet URL: https://www.lcsc.com/product-detail/Screw-terminal_Ningbo-Kangnex-Elec-WJ126V-5-0-2P_C8404.html - Manufacturer Part Number: WJ126V-5.0-2P **Pins:** - P1 [pin 1] - P2 [pin 2] ### J6 — [Pin Socket 1x02 P2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-socket-1x02-p254mm-vertical~l1v.md) - Part Type: Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### Q1 — EL817S1(C)(TU)-F - Manufacturer Part Number: EL817(B)-F - Manufacturer Name: PC817XNNIP0F - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Everlight-Elec-EL817S1-C-TU-F_C106900.pdf **Pins:** - Anode [pin 1] - Cathode [pin 2] - Collector [pin 4] - Emitter [pin 3] ### Q2 — EL817S1(C)(TU)-F - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Everlight-Elec-EL817S1-C-TU-F_C106900.pdf - Manufacturer Part Number: EL817(B)-F - Manufacturer Name: PC817XNNIP0F - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Anode [pin 1] - Cathode [pin 2] - Collector [pin 4] - Emitter [pin 3] ### Q3 — [2N7002K](https://www.flux.ai/ramprakashvishnoi8/2n7002k~xyz.md) - Part Type: Transistor - Manufacturer Name: onsemi - Manufacturer Part Number: 2N7002K - Datasheet URL: https://www.onsemi.com/pdf/datasheet/2n7002k-d.pdf **Pins:** - D - G - S ### Q4 — [2N7002](https://www.flux.ai/adrian95/2n7002~6d.md) - Manufacturer Name: onsemi - Part Type: Transistor - Manufacturer Part Number: 2N7002 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://rocelec.widen.net/view/pdf/orqxwkxkq1/ONSM-S-A0003544006-1.pdf?t.download=true&u=5oefqw **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q5 — EL817S1(C)(TU)-F - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: EL817(B)-F - Part Type: Transistor - Manufacturer Name: PC817XNNIP0F - Datasheet URL: https://datasheet.lcsc.com/lcsc/2304140030_Everlight-Elec-EL817S1-C-TU-F_C106900.pdf **Pins:** - Anode [pin 1] - Cathode [pin 2] - Collector [pin 4] - Emitter [pin 3] ### RESET — [C10852](https://www.flux.ai/jecstronic/441p7~meh.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: BOOMELE(Boom Precision Elec) - Manufacturer Part Number: C10852 - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810262111_BOOMELE-Boom-Precision-Elec-C10852_C10852.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — ACS70331EOLCTR-005U3 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.allegromicro.com/~/media/files/datasheets/acs70331-datasheet.pdf - Manufacturer Name: Allegro - Manufacturer Part Number: ACS70331EOLCTR-005U3 - Part Type: Sensor **Pins:** - GND [pin 5] - IP- [pin 3] - IP- [pin 4] - IP+ [pin 2] - IP+ [pin 1] - NC [pin 6] - VCC [pin 8] - VOUT [pin 7] ### U2 — [STM32F103C8T6](https://www.flux.ai/jharwinbarrozo/stm32f103c8t6~qe2.md) - Manufacturer Part Number: STM32F103C8T6 - Manufacturer Name: STMicroelectronics - Part Type: Microcontroller **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0_WKUP [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13_TAMPER_RTC [pin 2] - PC14_OSC32_IN [pin 3] - PC15_OSC32_OUT [pin 4] - PD0_OSC_IN [pin 5] - PD1_OSC_OUT [pin 6] - VBAT [pin 1] - VDD [pin 48] - VDD [pin 24] - VDD [pin 36] - VDDA [pin 9] - VSS [pin 47] - VSS [pin 23] - VSS [pin 35] - VSSA [pin 8] ### Y2 — [CSTCE8M00G52-R0](https://www.flux.ai/adrian95/cstce8m00g52-r0~40j.md) - Part Type: Oscillator - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: CSTCE8M00G52-R0 - Manufacturer Name: Murata Electronics - Datasheet URL: https://datasheet.lcsc.com/lcsc/1810170910_Murata-Electronics-CSTCE8M00G52-R0_C22549.pdf **Pins:** - GND [pin 2] - INPUT [pin 1] - OUTPUT [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ril3y/currentlimiter~4p](https://www.flux.ai/ril3y/currentlimiter~4p).* --- *Generated from [https://www.flux.ai/ril3y/currentlimiter~4p](https://www.flux.ai/ril3y/currentlimiter~4p)*