component
TP4054
Public Made by Adomby adom
UMW Battery Management, SOT-23-5L. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+4−4@@ -1,8 +1,8 @@ # TP4054 -**UMW Youtai Semiconductor Co Ltd** · Battery Management · SOT-23-5L+**UMW** · Battery Management · SOT-23-5L -TP4054 from UMW Youtai Semiconductor Co Ltd, in a SOT-23-5L. Pinout and pin descriptions extracted from the datasheet (via LCSC) by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.+TP4054 from UMW, in a SOT-23-5L. Pinout and pin descriptions extracted from the datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD. ## Pinout @@ -18,7 +18,7 @@ TP4054 from UMW Youtai Semiconductor Co Ltd, in a SOT-23-5L. Pinout and pin de | Parameter | Value | |---|---|-| Manufacturer | UMW Youtai Semiconductor Co Ltd |+| Manufacturer | UMW | | Package | SOT-23-5L | | Category | PMIC | | Pins | 5 |@@ -33,7 +33,7 @@ TP4054 from UMW Youtai Semiconductor Co Ltd, in a SOT-23-5L. Pinout and pin de Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [UMW Youtai Semiconductor Co Ltd datasheet](https://datasheet.lcsc.com/datasheet/pdf/4345650c754ecc5e3486650b41566326.pdf) (15 pp, sha256 `ead405fcfc136cf9`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet:** [UMW datasheet](docs/tp4054-datasheet.pdf) (15 pp, sha256 `ead405fcfc136cf9`, retrieved 2026-08-17, tier: lcsc) - **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - **CAD:** KiCad official libraries (CC-BY-SA 4.0).
page.json+10−13@@ -3,7 +3,7 @@ "type": "component", "slug": "tp4054", "title": "TP4054",- "brief": "UMW Youtai Semiconductor Co Ltd Battery Management, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "brief": "UMW Battery Management, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0", "license": "CC-BY-SA-4.0", "tags": [@@ -13,12 +13,12 @@ ], "component": { "mpn": "TP4054",- "manufacturer": "UMW Youtai Semiconductor Co Ltd",+ "manufacturer": "UMW", "package": "SOT-23-5L", "pin_count": 5, "category": "PMIC", "subcategory": "Battery Management",- "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4345650c754ecc5e3486650b41566326.pdf",+ "datasheet": "docs/tp4054-datasheet.pdf", "parts": { "symbol": "tp4054.kicad_sym", "footprint": "tp4054.kicad_mod",@@ -44,25 +44,25 @@ "number": "3", "name": "BAT", "type": "power_out",- "description": "Charging current output to the Li-ion cell. Regulates the battery float voltage to 4.2V (±1%) and sources the programmed charge current (up to 600mA absolute max). Under battery-reverse (V_BAT = -4V) an internal ~0.7mA current flows to GND to protect the ESD diode. Absolute max V_BAT = 7V."+ "description": "Charging current output to the Li-ion cell. Regulates the battery float voltage to 4.2V (\u00b11%) and sources the programmed charge current (up to 600mA absolute max). Under battery-reverse (V_BAT = -4V) an internal ~0.7mA current flows to GND to protect the ESD diode. Absolute max V_BAT = 7V." }, { "number": "4", "name": "VCC", "type": "power_in",- "description": "Positive supply input, 4.25V-6.5V (absolute max V_SS + 7V). Requires at least a 1µF bypass capacitor to GND. When V(BAT) - V(VCC) drops below ~30mV the part enters shutdown and I(BAT) falls below ~2µA."+ "description": "Positive supply input, 4.25V-6.5V (absolute max V_SS + 7V). Requires at least a 1\u00b5F bypass capacitor to GND. When V(BAT) - V(VCC) drops below ~30mV the part enters shutdown and I(BAT) falls below ~2\u00b5A." }, { "number": "5", "name": "PROG", "type": "bidirectional",- "description": "Charge-current programming, charge-current monitoring, and shutdown pin. A resistor R_PROG from PROG to GND sets I_BAT: I_BAT = (V_PROG / R_PROG) × 1000, with V_PROG ≈ 1V in constant-current mode (e.g. R_PROG = 2kΩ → ~500mA, 10kΩ → ~100mA). A 2µA pull-up allows the pin to be pulled high (>1.21V) to shut the charger down (I_CC drops to ~25µA). Absolute max V_PROG = V_SS ± 0.3V nominal / max current 800µA."+ "description": "Charge-current programming, charge-current monitoring, and shutdown pin. A resistor R_PROG from PROG to GND sets I_BAT: I_BAT = (V_PROG / R_PROG) \u00d7 1000, with V_PROG \u2248 1V in constant-current mode (e.g. R_PROG = 2k\u03a9 \u2192 ~500mA, 10k\u03a9 \u2192 ~100mA). A 2\u00b5A pull-up allows the pin to be pulled high (>1.21V) to shut the charger down (I_CC drops to ~25\u00b5A). Absolute max V_PROG = V_SS \u00b1 0.3V nominal / max current 800\u00b5A." } ], "provenance": { "extractor": "ds2sf", "datasheet": {- "url": "https://datasheet.lcsc.com/datasheet/pdf/4345650c754ecc5e3486650b41566326.pdf",+ "url": "docs/tp4054-datasheet.pdf", "pages": 15, "sha256": "ead405fcfc136cf9", "source_tier": "lcsc"@@ -82,7 +82,7 @@ }, "metadata": { "specs": {- "Manufacturer": "UMW Youtai Semiconductor Co Ltd",+ "Manufacturer": "UMW", "Package": "SOT-23-5L", "Category": "PMIC", "Pins": "5"@@ -98,7 +98,7 @@ "discovery_triggers": [ "tp4054" ],- "discovery_pitch": "TP4054 (UMW Youtai Semiconductor Co Ltd) component page with datasheet-verified CAD.",+ "discovery_pitch": "TP4054 (UMW) component page with datasheet-verified CAD.", "author": { "name": "Ray", "email": "[email protected]"@@ -120,8 +120,5 @@ "docs/tp4054-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": {- "public": true- }+ ] }