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Driver Electronics

Assembly

Buck converter that regulates LED current so brightness stays constant as the battery sags from 4.2 V to 3.0 V. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Driver Electronics parts and their functions

7 top-level parts · 9 parts in total · full bill of materials below
Driver Electronics parts diagram: 1 bare PCB, 2 microcontroller, 3 power MOSFET, 4 buck inductor, 5 charge controller IC, 6 SMD passive (R/C/L), 7 connector. 9 parts in 7 top-level items.
Driver Electronics parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bare PCB 1× 2-layer FR-4
2 Microcontroller 1× Mode logic, PWM dimming
3 Power MOSFET 2× Buck switch + load switch
4 Buck Inductor 1× Buck energy storage
5 Charge Controller IC 1× Li-ion charge controller
6 SMD Passive (R/C/L) 1× Surface-mount resistors, capacitors, and inductors, typically in 0402 to 1206 packages, that set voltages, filter noise, and time signals on a circuit board.
7 Connector 2× Battery and LED headers

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Driver Electronics

7 top-level lines · 7 rows shown · 9 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bare PCB pcb-bare 1× 1 · part
2 Microcontroller mcu 1× 1 · part
3 Power MOSFET mosfet 2× 2 · part
4 Buck Inductor camp-lantern-inductor 1× 1 · part
5 Charge Controller IC camp-lantern-charge-ic 1× 1 · part
6 SMD Passive (R/C/L) smd-passives 1× 1 · part
7 Connector connector 2× 2 · part

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Where the driver electronics is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks