component
FM4057S52
Public Made by Adomby adom
Shenzhen Fuman Battery Management, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -46,6 +46,20 @@ FM4057S52 from Shenzhen Fuman, in a SOT-23-5. Pinout and pin descriptions extrac - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`fm4057s52.step`](fm4057s52.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`fm4057s52-etched.step`](fm4057s52-etched.step) | 1.8 MB | You want the part with `FM4057S52` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 437 faces against 102 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "fm4057s52",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Shenzhen Fuman Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−8@@ -4,7 +4,7 @@ "slug": "fm4057s52", "title": "FM4057S52", "brief": "Shenzhen Fuman Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -46,19 +46,19 @@ "number": "3", "name": "BAT", "type": "power_out",- "description": "Battery connection and charger output. Sources the constant-current / constant-voltage charge current to the single-cell Li-ion pack. Regulated to 4.2V (S52), with battery-OVP at ~104% of VBAT_FULL and recharge threshold ~4.05V. Bypass with a 10\u00b5F ceramic capacitor to GND."+ "description": "Battery connection and charger output. Sources the constant-current / constant-voltage charge current to the single-cell Li-ion pack. Regulated to 4.2V (S52), with battery-OVP at ~104% of VBAT_FULL and recharge threshold ~4.05V. Bypass with a 10µF ceramic capacitor to GND." }, { "number": "4", "name": "VIN", "type": "power_in",- "description": "Charger power input. Recommended 4.2-6.5V operating range, absolute-max 32V (the part's headline 32V input tolerance). VIN UVLO rising ~4.6V / falling ~4.2V; VIN OVP ~6.5V. A 1\u00b5F ceramic bypass to GND is recommended (may be omitted per app circuit)."+ "description": "Charger power input. Recommended 4.2-6.5V operating range, absolute-max 32V (the part's headline 32V input tolerance). VIN UVLO rising ~4.6V / falling ~4.2V; VIN OVP ~6.5V. A 1µF ceramic bypass to GND is recommended (may be omitted per app circuit)." }, { "number": "5", "name": "ISET", "type": "input",- "description": "Charge-current programming pin. A resistor from ISET to GND sets the constant-current charge level: RISET \u2248 3k\u03a9 \u2192 1.0A, 5k\u03a9 \u2192 0.6A, 6k\u03a9 \u2192 0.5A. Precharge current is ~60mA and termination current is ~60mA at RISET=5k\u03a9."+ "description": "Charge-current programming pin. A resistor from ISET to GND sets the constant-current charge level: RISET ≈ 3kΩ → 1.0A, 5kΩ → 0.6A, 6kΩ → 0.5A. Precharge current is ~60mA and termination current is ~60mA at RISET=5kΩ." } ], "provenance": {@@ -132,9 +132,9 @@ "docs/hero.png", "docs/fm4057s52-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Shenzhen Fuman Battery Management, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D." }