1.4 KiB
1.4 KiB
| 1 | Comment | Designator | Footprint | LCSC Part Number | Qty | Value | Description |
|---|---|---|---|---|---|---|---|
| 2 | Boost Converter | U1 | SOT-353_SC-70-5 | C83951 | 1 | TPS61220DCKR | 3.3V fixed output boost converter 0.7-5.5V in |
| 3 | SPI Flash 16MB | U2 | SOIC-8_3.9x4.9mm_P1.27mm | C194872 | 1 | IS25LP128F-JBLE | 128Mbit SPI NOR Flash 2.3-3.6V |
| 4 | Boost Inductor | L1 | L_0805_2012Metric | C408336 | 1 | 4.7uH | Inductor 4.7µH 1.2A saturation |
| 5 | Boost Input Cap | C1 | C_0805_2012Metric | C15850 | 1 | 10uF | Ceramic capacitor 10µF 10V X5R |
| 6 | Boost Output Cap | C2 | C_0805_2012Metric | C15850 | 1 | 10uF | Ceramic capacitor 10µF 10V X5R |
| 7 | Flash Decoupling | C3 | C_0805_2012Metric | C49678 | 1 | 100nF | Ceramic capacitor 100nF 25V X7R |
| 8 | XIAO Decoupling | C4 | C_0805_2012Metric | C49678 | 1 | 100nF | Ceramic capacitor 100nF 25V X7R |
| 9 | RC Filter R (audio LPF) | R1 | R_0805_2012Metric | C17673 | 1 | 4.7K | Resistor 4.7KΩ 1% |
| 10 | RC Filter C (audio LPF) | C5 | C_0805_2012Metric | C1710 | 1 | 10nF | Ceramic capacitor 10nF 50V |
| 11 | Flash CS Pullup | R2 | R_0805_2012Metric | C17414 | 1 | 10K | Resistor 10KΩ 1% (holds CS high during boot) |
| 12 | Toy Connector | J1 | JST_SH_SM10B-SRSS-TB_1x10_P1.00mm | C160404 | 1 | SM10B-SRSS-TB | JST SH 1.0mm 10-pin SMD right-angle |
| 13 | XIAO Header Left | J2 | PinHeader_1x07_P2.54mm_Vertical | C124378 | 1 | 1x7 2.54mm | Female pin header 1x7 |
| 14 | XIAO Header Right | J3 | PinHeader_1x07_P2.54mm_Vertical | C124378 | 1 | 1x7 2.54mm | Female pin header 1x7 |