component
TP4582B
Public Made by Adomby adom
TPOWER Battery Management, ESOP8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTP4582B
TPOWER · Battery Management · ESOP8
TP4582B from TPOWER, in a ESOP8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Power supply input, 4.5-5.5V operating range, 5V nominal. |
| 2 | LED1 | output | Charging status indicator LED driver, 1.4mA typical output at 4V battery. |
| 3 | LED2 | output | Discharging status indicator LED driver, 1.4mA typical output at 4V battery. |
| 4 | NC | unconnected | No connection. |
| 5 | SWT | input | Push-button key input; single-click (>50ms) for power on, double-click for power off; 30uA internal pull-up. |
| 6 | BAT | passive | Lithium-ion battery positive terminal; maximum 250mA charging current, 4.2V target float voltage. |
| 7 | SW | passive | Boost converter power switch node, connects to external inductor L1. |
| 8 | OUT | power_out | Boost output positive terminal; 5V typical at 0.5A load, 500mA maximum current; 5.25V overvoltage threshold. |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TPOWER |
| Package | ESOP8 |
| Category | Power Management (PMIC) |
| Pins | 9 |
CAD (KiCad official)
- Symbol:
TP4582B - Footprint:
Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm - 3D model: ESOP8 (KiCad packages3D, STEP)
- 3D model files:
tp4582b-etched.step/tp4582b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tp4582b.step/tp4582b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TPOWER datasheet (6 pp, sha256
dac25bedd6f28ed4, retrieved 2026-09-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).