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Power & Battery Management

Assembly

Battery holder with charging controller, voltage regulators for logic and oscillator supplies. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Power & Battery Management parts and their functions

6 top-level parts · 6 parts in total · full bill of materials below
Power & Battery Management parts diagram: 1 battery compartment, 2 charger IC, 3 5V buck converter, 4 3.3V LDO regulator, 5 12V boost converter, 6 battery fuel gauge. 6 parts in 6 top-level items.
Power & Battery Management parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Battery Compartment 1× 4x AA battery compartment with spring contacts
2 Charger IC 1× TP4056 single-cell lithium charger for optional external
3 5V Buck Converter 1× Buck converter generating 5V logic rail
4 3.3V LDO Regulator 1× LDO regulator generating 3.3V for oscillator
5 12V Boost Converter 1× Boost converter generating 12V phantom supply
6 Battery Fuel Gauge 1× Fuel gauge IC showing remaining battery percentage

3D model

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Build & assembly graph

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Bill of materials for Power & Battery Management

6 top-level lines · 6 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Battery Compartment timecode-generator-battery-holder 1× 1 · part
2 Charger IC timecode-generator-charger-ic 1× 1 · part
3 5V Buck Converter timecode-generator-dcdc-5v 1× 1 · part
4 3.3V LDO Regulator timecode-generator-dcdc-3v3 1× 1 · part
5 12V Boost Converter timecode-generator-boost-converter 1× 1 · part
6 Battery Fuel Gauge timecode-generator-battery-monitor 1× 1 · part

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Where the power & battery management 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 $1–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳CATL
catl.com ↗
Ningde, CN Li-ion cell & pack maker 5,000 cells 8–12 wks
🇨🇳EVE Energy
evebattery.com ↗
Huizhou, CN Li-ion cell maker 5,000 cells 8–12 wks
🇮🇳Amara Raja
amararaja.com ↗
Tirupati, IN Batteries & energy 5,000 cells 8–12 wks
🇸🇬Durapower
durapowergroup.com ↗
Singapore Li-ion battery systems 5,000 cells 8–12 wks
🇨🇳BYD
byd.com ↗
Shenzhen, CN EV & battery manufacturer 5,000 cells 8–12 wks