Add LQFN footprint

bun.lock

@@ -5,7 +5,7 @@
       "name": "@tscircuit/footprinter",
       "dependencies": {
         "@tscircuit/mm": "^0.0.8",
-        "zod": "^3.23.8",
+        "zod": "^3.25.74",
       },
       "devDependencies": {
         "@biomejs/biome": "^1.9.4",
@@ -517,10 +517,14 @@
 
     "yn": ["[email protected]", "", {}, "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q=="],
 
-    "zod": ["[email protected].64", "", {}, "sha512-hbP9FpSZf7pkS7hRVUrOjhwKJNyampPgtXKc3AN6DsWtoHsg2Sb4SQaS4Tcay380zSwd2VPo9G9180emBACp5g=="],
+    "zod": ["[email protected].74", "", {}, "sha512-J8poo92VuhKjNknViHRAIuuN6li/EwFbAC8OedzI8uxpEPGiXHGQu9wemIAioIpqgfB4SySaJhdk0mH5Y4ICBg=="],
 
     "@jridgewell/gen-mapping/@jridgewell/trace-mapping": ["@jridgewell/[email protected]", "", { "dependencies": { "@jridgewell/resolve-uri": "^3.1.0", "@jridgewell/sourcemap-codec": "^1.4.14" } }, "sha512-vNk6aEwybGtawWmy/PzwnGDOjCkLWSD2wqvjGGAgOAwCGWySYXfYoxt00IJkTF+8Lb57DwOb3Aa0o9CApepiYQ=="],
 
+    "@tscircuit/footprinter/zod": ["[email protected]", "", {}, "sha512-hbP9FpSZf7pkS7hRVUrOjhwKJNyampPgtXKc3AN6DsWtoHsg2Sb4SQaS4Tcay380zSwd2VPo9G9180emBACp5g=="],
+
+    "circuit-json/zod": ["[email protected]", "", {}, "sha512-hbP9FpSZf7pkS7hRVUrOjhwKJNyampPgtXKc3AN6DsWtoHsg2Sb4SQaS4Tcay380zSwd2VPo9G9180emBACp5g=="],
+
     "circuit-to-svg/@types/node": ["@types/[email protected]", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-jnVe5ULKl6tijxUhvQeNbQG/84fHfg+yMak02cT8QVhBx/F05rAVxCGBYYTh2EKz22D6JF5ktXuNwdx7b9iEGw=="],
 
     "color/color-convert": ["[email protected]", "", { "dependencies": { "color-name": "~1.1.4" } }, "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ=="],

package.json

@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "@tscircuit/mm": "^0.0.8",
-    "zod": "^3.23.8"
+    "zod": "^3.25.74"
   },
   "peerDependencies": {
     "circuit-json": "*"

src/fn/index.ts

@@ -7,6 +7,7 @@ export { bga } from "./bga"
 export { soic } from "./soic"
 export { quad } from "./quad"
 export { qfn } from "./qfn"
+export { lqfn } from "./lqfn"
 export { qfp } from "./qfp"
 export { mlp } from "./mlp"
 export { ssop } from "./ssop"

src/fn/lqfn.ts

@@ -0,0 +1,12 @@
+import type { AnySoupElement } from "circuit-json"
+import { base_quad_def, quad, quadTransform } from "./quad"
+import type { z } from "zod"
+
+export const lqfn_def = base_quad_def.extend({}).transform(quadTransform)
+
+export const lqfn = (
+  parameters: z.input<typeof lqfn_def>,
+): { circuitJson: AnySoupElement[]; parameters: any } => {
+  parameters.legsoutside = false
+  return quad(parameters)
+}

src/footprinter.ts

@@ -58,6 +58,7 @@ export type Footprinter = {
     | "circularpads"
   >
   qfn: (num_pins?: number) => FootprinterParamsBuilder<"w" | "h" | "p">
+  lqfn: (num_pins?: number) => FootprinterParamsBuilder<"w" | "h" | "p">
   soic: (num_pins?: number) => FootprinterParamsBuilder<"w" | "p" | "id" | "od">
   mlp: (num_pins?: number) => FootprinterParamsBuilder<"w" | "h" | "p">
   ssop: (num_pins?: number) => FootprinterParamsBuilder<"w" | "p">

src/helpers/zod/AnyFootprinterDefinitionOutput.ts

@@ -8,6 +8,7 @@ import { ms012_def } from "src/fn/ms012"
 import { ms013_def } from "src/fn/ms013"
 import { pinrow_def } from "src/fn/pinrow"
 import { qfn_def } from "src/fn/qfn"
+import { lqfn_def } from "src/fn/lqfn"
 import { qfp_def } from "src/fn/qfp"
 import { quad_def } from "src/fn/quad"
 import { sod_def } from "src/fn/sod123"
@@ -32,6 +33,7 @@ export const any_footprinter_def = z.union([
   ms013_def,
   pinrow_def,
   qfn_def,
+  lqfn_def,
   qfp_def,
   quad_def,
   sod_def,

tests/lqfn.test.ts

@@ -0,0 +1,9 @@
+import { test, expect } from "bun:test"
+import { convertCircuitJsonToPcbSvg } from "circuit-to-svg"
+import { fp } from "../src/footprinter"
+
+test("lqfn56_w7_h7_p0.4mm", () => {
+  const soup = fp.string("lqfn56_w7_h7_p0.4mm").circuitJson()
+  const svgContent = convertCircuitJsonToPcbSvg(soup)
+  expect(svgContent).toMatchSvgSnapshot(import.meta.path, "lqfn56_w7_h7_p0.4mm")
+})