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init charger

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Razvalyaev
2026-08-24 16:14:53 +03:00
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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 1x5 2.54mm,P_HEADER_1x5_2.54_ANGLE,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
1 Designator Quantity Value Package Notes
2 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
3 J8 1 Right-angle 1x5 2.54mm P_HEADER_1x5_2.54_ANGLE 1=VBUS; 2=D-; 3=D+; 4=GND; 5=Shield/GND
4 J2-J7 6 Wire pad PTH-1.8mm IN-/IN+/BAT-/BAT+/VOUT-/VOUT+
5 U1 1 TC4056A SOIC-8 TP4056 compatible 1-cell linear charger
6 U2 1 MT3608 / B628 SOT-23-6 Boost converter controller; board markings vary
7 L1 1 4.7uH L-5x5mm Shielded power inductor marked 4R7
8 D1 1 SS34 SMB Schottky rectifier
9 RV1 1 100k TRIM-3x3 Output voltage adjust; exact fitted value to verify
10 R1 1 1.2k 1% 0805 Charge program resistor marked 122 (~1A)
11 R2 1 0R 0805 TEMP disable link
12 R3-R4 2 1k 0805 LED current limiting; verify fitted code
13 R5 1 2.2k 1% 0805 Boost feedback lower resistor; verify fitted code
14 R6-R7 2 5.1k 0805 USB-C CC1/CC2 Rd pull-down resistors
15 C1-C3 3 10uF 16V X7R-1206 Input/BAT/boost decoupling
16 C4 1 10uF 35V X7R-1206 Boost output decoupling; verify fitted voltage rating
17 C5 1 100nF X7R-0805 High-frequency bypass
18 LED1 1 Red 0603 Charging indicator
19 LED2 1 Blue 0603 Charge complete indicator