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TheColonelYoung
Battery case with electronics for charging and protection of battery cells. Composes of 2s li-ion 3,7V battery cells. Includes undervoltage, overvoltage and overcurrent protection. As well as reverse voltage protection. Is charged from USB type-C connector. Support statistics over USB and have battery voltage indication via LEDs.
| Reference | Value | Description |
|---|---|---|
| Q1 | AON7403 | |
| Q2,Q3 | AON7414 | |
| Q4-Q6 | UT6MA2TCR | |
| Q7 | DMN2300UFD-7 | |
| U2 | CP2102N-Axx-xQFN20 | |
| U3 | STM32G071Gx | |
| U4 |
| U5 | BQ25887 |
|---|
| U6 | BD48xxFVE |
|---|
| U7 | INA199 |
|---|
| U8 | LTC4231 |
|---|
| U9 | LDK715M33R |
|---|
| U10 | 24LC32 |
|---|
| U11,U13 | MIC94300 |
|---|
| U12 | 74LVC2G14 |
|---|
| C1,C3,C6,C10,C11,C13,C18,C21,C27,C28 | 100nF |
|---|
| C4,C8,C22,C24 | 4.7uF |
|---|
| C5,C25,C26,C29,C30 | 1uF |
|---|
| C7,C12,C16 | 10uF |
|---|
| C9,C20,C23 | 39nF |
|---|
| C14 | 47uF/16V |
|---|
| C17 | 100uF/12V |
|---|
| C19 | 100pF |
|---|
| D1,D4,TP10 | 3V3 |
|---|
| D2 | LED_RGBA |
|---|
| D3 | 12V |
|---|
| D5 | SP0503BAHT |
|---|
| FB1 | 50R@100Mhz |
|---|
| H1 | M3 |
|---|
| J1 | USB_C_Receptacle_USB2.0 |
|---|
| J2 | PROG_CONN |
|---|
| J3 | DBG_UART |
|---|
| J4 | BAT_MID+NTC |
|---|
| J5 | BAT_7.4V |
|---|
| J6 | BAT_0V |
|---|
| J7 | OUT+ |
|---|
| J8 | OUT- |
|---|
| JP1 | PWR_SEL |
|---|
| L1 | 1uH |
|---|
| R1,R3,R16 | 22k |
|---|
| R2 | 47k |
|---|
| R4,R8,R9,R15,R17,R20 | 10k |
|---|
| R5,R6 | 5.1k |
|---|
| R7,R35,R36,R41,R42 | 1k |
|---|
| R10,R26 | 4.02k |
|---|
| R12 | 4.12k |
|---|
| R13 | 17.8k |
|---|
| R14 | DNP |
|---|
| R18 | 100k |
|---|
| R19,R31,R33,R34,R37-R40,R43,R44 | 470k |
|---|
| R21,R22 | 470R |
|---|
| R23,R24 | 82R |
|---|
| R25 | 1.74M |
|---|
| R27 | 105k |
|---|
| R28,R29 | 20mR (0.5%) |
|---|
| R30 | 162k |
|---|
| R32 | 20k |
|---|
| SW1 | WAKEUP |
|---|
| SW2 | BOOT |
|---|
| SW3 | RST_BTN |
|---|
| TP1 | USB_DET |
|---|
| TP2 | VBUS |
|---|
| TP3 | VBAT |
|---|
| TP5 | B1_V |
|---|
| TP6 | VCC |
|---|
| TP7 | SENSE |
|---|
| TP8 | UVLO |
|---|
| TP9 | OUT |
|---|
| TP12,TP14 | TestPoint |
|---|