# [2-layer] JLCPCB Constraints
## Description
Use this template if you're planning to get your 1 to 2-layer board manufactured in JLCPCB. It has the via min/max and trace width constraints already baked as global rules. #project-template #template #manufacturer-design-rules
## Project Details
- **Owner:** hexdev
- **Created:** 12/8/2024
- **Last Updated:** 12/8/2024
- **Visibility:** Public
## Key Components
### BT1 — [Battery Holder 1 Cell DIP AA](https://www.flux.ai/vasyl/battery-holder-1-cell-dip-aa.md)
- Part Type: Battery Holder
- Voltage: 1.5V
- Datasheet URL: https://www.keyelco.com/userAssets/file/M65p28.pdf
- License: https://creativecommons.org/licenses/by/4.0/
- Manufacturer Part Number: 2460
- Manufacturer Name: Keystone Electronics
**Pins:**
- NEGATIVE [pin N]
- POSITIVE [pin P]
### IC1 — [LM3481QMMX/NOPB](https://www.flux.ai/vasyl/lm3481qmmxnopb.md)
- Manufacturer Part Number: LM3481QMMX/NOPB
- License: https://creativecommons.org/licenses/by/4.0/
- Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm3481
- Manufacturer Name: Texas Instruments
- Part Type: Switching Controller
**Pins:**
- AGND [pin 5]
- COMP [pin 3]
- DR [pin 8]
- FA/SYNC/SD [pin 6]
- FB [pin 4]
- ISEN [pin 1]
- PGND [pin 7]
- UVLO [pin 2]
- VCC [pin 9]
- VIN [pin 10]
### Q1 — [IRF530NPBF](https://www.flux.ai/jecstronic/irf530npbf.md)
- Manufacturer Name: Infineon Technologies
- Manufacturer Part Number: IRF530NPBF
- Datasheet URL: https://www.infineon.com/dgdl/irf530npbf.pdf
- Part Type: Transistor
**Pins:**
- D [pin 2]
- G [pin 1]
- S [pin 3]
### U1 — [MBR30100LCT](https://www.flux.ai/lcsc/mbr30100lct.md)
- Package or Case Code: TO-220-3_L10.0-W4.6-P2.54-L
- Manufacturer Name: LGE(鲁光)
- Part Type: Schottky Barrier Diodes (SBD)
- LCSC Part Number: C2848285
- Manufacturer Part Number: MBR30100LCT
**Pins:**
- A [pin 3]
- A [pin 1]
- C [pin 2]
*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/hexdev/2-layer-jlcpcb-constraints](https://www.flux.ai/hexdev/2-layer-jlcpcb-constraints).*
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*Generated from [https://www.flux.ai/hexdev/2-layer-jlcpcb-constraints](https://www.flux.ai/hexdev/2-layer-jlcpcb-constraints)*