component
FM4057E42
Public Made by Adomby adom
Shenzhen Fuman Battery Management, ESOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -50,6 +50,20 @@ FM4057E42 from Shenzhen Fuman, in a ESOP-8. Pinout and pin descriptions extracte - Footprint: `Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.3mm` - 3D model: ESOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`fm4057e42.step`](fm4057e42.step) | 193 KB | You want the bare part, or you mark your own boards. |+| [`fm4057e42-etched.step`](fm4057e42-etched.step) | 1.4 MB | You want the part with `FM4057E42` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 370 faces against 63 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": "fm4057e42",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Shenzhen Fuman Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+10−7@@ -4,7 +4,7 @@ "slug": "fm4057e42", "title": "FM4057E42", "brief": "Shenzhen Fuman Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -40,7 +40,7 @@ "number": "2", "name": "ISET", "type": "input",- "description": "Charge-current programming input. An external resistor from ISET to GND sets the constant-current charge level (typ. 1.0A at 3k\u03a9, 0.6A at 5k\u03a9, 0.5A at 6k\u03a9). Also sets precharge (~60mA at 5k\u03a9) and termination (~60mA at 5k\u03a9) thresholds."+ "description": "Charge-current programming input. An external resistor from ISET to GND sets the constant-current charge level (typ. 1.0A at 3kΩ, 0.6A at 5kΩ, 0.5A at 6kΩ). Also sets precharge (~60mA at 5kΩ) and termination (~60mA at 5kΩ) thresholds." }, { "number": "3",@@ -52,13 +52,13 @@ "number": "4", "name": "VIN", "type": "power_in",- "description": "Charger input supply. Recommended operating range 4.2V-6.5V (typ. 5V); withstands up to 32V. Internal VIN OVP trips at 6.5V (0.5V hysteresis) and UVLO at 4.6V rising / 4.2V falling. Bypass with \u22654.7\u00b5F (a 1\u00b5F may be used per app circuit)."+ "description": "Charger input supply. Recommended operating range 4.2V-6.5V (typ. 5V); withstands up to 32V. Internal VIN OVP trips at 6.5V (0.5V hysteresis) and UVLO at 4.6V rising / 4.2V falling. Bypass with ≥4.7µF (a 1µF may be used per app circuit)." }, { "number": "5", "name": "BAT", "type": "power_out",- "description": "Battery connection to the single-cell Li-ion pack. E42 regulates to 4.2V (V_BAT_FULL = 4.158/4.2/4.242V). Recharge threshold ~4.05V, battery OVP at 104%\u00b7V_BAT. Requires ~10\u00b5F bypass capacitor to GND."+ "description": "Battery connection to the single-cell Li-ion pack. E42 regulates to 4.2V (V_BAT_FULL = 4.158/4.2/4.242V). Recharge threshold ~4.05V, battery OVP at 104%·V_BAT. Requires ~10µF bypass capacitor to GND." }, { "number": "6",@@ -82,7 +82,7 @@ "number": "9", "name": "EPAD", "type": "power_in",- "description": "Exposed thermal pad on package underside. Must be soldered to the PCB ground plane for the specified thermal performance; electrically connected to GND (\u6563\u70ed\u5730)."+ "description": "Exposed thermal pad on package underside. Must be soldered to the PCB ground plane for the specified thermal performance; electrically connected to GND (散热地)." } ], "provenance": {@@ -156,6 +156,9 @@ "docs/hero.png", "docs/fm4057e42-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "Shenzhen Fuman Battery Management, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }