Designator,Quantity,Value,Package,Notes
J1,1,USB Type-C USB2.0,J_USB_C_USB4105,VBUS/GND; A6+B6=D+; A7+B7=D-; CC1/CC2 each 5.1k to GND
J8,1,Right-angle male pin header SMD 1x5 2.54mm,HDR1SE_M_1X5,1=VBUS; 2=D-; 3=D+; 4=GND; 5=Shield/GND
J2-J7,6,Wire pad,PTH-1.8mm,IN-/IN+/BAT-/BAT+/VOUT-/VOUT+
U1,1,TC4056A,SOIC-8,TP4056 compatible 1-cell linear charger
U2,1,MT3608 / B628,SOT-23-6,Boost converter controller; board markings vary
L1,1,4.7uH,L-5x5mm,Shielded power inductor marked 4R7
D1,1,SS34,SMB,Schottky rectifier
RV1,1,100k,TRIM-3x3,Output voltage adjust; exact fitted value to verify
R1,1,1.2k 1%,0805,Charge program resistor marked 122 (~1A)
R2,1,0R,0805,TEMP disable link
R3-R4,2,1k,0805,LED current limiting; verify fitted code
R5,1,2.2k 1%,0805,Boost feedback lower resistor; verify fitted code
R6-R7,2,5.1k,0805,USB-C CC1/CC2 Rd pull-down resistors
C1-C3,3,10uF 16V,X7R-1206,Input/BAT/boost decoupling
C4,1,10uF 35V,X7R-1206,Boost output decoupling; verify fitted voltage rating
C5,1,100nF,X7R-0805,High-frequency bypass
LED1,1,Red,0603,Charging indicator
LED2,1,Blue,0603,Charge complete indicator
