Circuit-Design
ConnectBox
Connectbox Circuit Design
Components (34)
| Reference | Value | Description |
|---|---|---|
| U1 | HC-R8812AF1 | |
| U3 | TPS61022 | 8-A Boost Converter with 0.5-V Ultra-low Input Voltage |
| U4 | AXP209 | Enhanced single Cell Li-Battery and Power System Management IC |
| C1-C3,C5-C7 | 22uF | CAP CER 22UF 6.3V X5R 0805 |
| C4 | 10uf | 10 µF ±20% 25V Ceramic Capacitor X5R 0805 (2012 Metric) |
| C8,C17,C18 | 1uF | CAP CER 1UF 10V X5R 0805 |
| C9-C13 | 10uF | CAP CER 10UF 10V X5R 0805 |
| C14-C16 | 4.7uF | CAP CER 4.7UF 10V X7R 0805 |
| D1,D2 | MMBD914 | DIODE GEN PURP 100V 200MA SOT23 |
| J10 | Conn_01x10_Female | CONN HEADER VERT 10POS 2.54MM |
| JP1 | Jumper | |
| L1 | 1.0 uH | 1 µH Shielded Drum Core, Wirewound Inductor 9.4 A 9.6mOhm Nonstandard |
| L2 | 4.7 uH | FIXED IND 4.7UH 3A 40.3 MOHM SMD |
| P1 | USB-C | CONN RCP USB2.0 TYP C 24P SMD RA |
| P2 | Conn_01x04 | CONN HDR 4POS 0.1 GOLD PCB |
| P3 | USB_A_1 | CONN RCPT TYPEA 4POS R/A - WHITE |
| P5,P6 | Conn_01x08 | CONN HDR 8POS 0.1 GOLD PCB |
| P7 | Conn_01x05 | CONN HDR 5POS 0.1 GOLD PCB |
| R1 | 220K | RES SMD 220K OHM 1% 1/8W 0805 |
| R3,R4,R17 | 10K | RES SMD 10K OHM 1% 1/8W 0805 |
| R7,R8,R10,R14 | 2.2K | RES SMD 2.2K OHM 1% 1/8W 0805 |
| R11 | 51K | RES SMD 51K OHM 1% 1/8W 0805 |
| R15 | 1K | RES SMD 1K OHM 1% 1/8W 0805 |
| R16 | 0.03 ohm | RES 0.03 OHM 1% 1/2W 0805 |
| R18 | 100 | RES SMD 100 OHM 1% 1/8W 0805 |
| R19 | 200K | RES SMD 200K OHM 1% 1/8W 0805 |
| R21 | 732K | RES SMD 732K OHM 1% 1/8W 0805 |
| R22 | 100K | RES SMD 100K OHM 1% 1/8W 0805 |
| TP1 | Gnd | |
| TP2 | IPS | |
| TP3 | Ext_En | |
| TP4 | 5V | |
| TP5 | AC_IN | |
| TP6 | Bat+ |