component

LM5021MMX-2

Public Made by Adom

by adom

Texas Instruments AC-DC Controllers And Regulators, VSSOP-8-0.65mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)lm5021mmx-2factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs lm5021mmx-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers lm5021mmx-2: viewers · Ray 13d ago
lm5021mmx-2-etched.fit.json lm5021mmx-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm5021mmx-2-etched.glb lm5021mmx-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm5021mmx-2-etched.step lm5021mmx-2: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm5021mmx-2.glb Publish 0.1.0 · Ray 13d ago
lm5021mmx-2.kicad_mod Publish 0.1.0 · Ray 13d ago
lm5021mmx-2.kicad_sym Publish 0.1.0 · Ray 13d ago
lm5021mmx-2.lbr Publish 0.1.0 · Ray 13d ago
lm5021mmx-2.step Publish 0.1.0 · Ray 13d ago
package.json Publish 0.1.0 · Ray 13d ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 7d ago
README.md Initial commit: component/lm5021mmx-2 · Ray 13d ago

LM5021MMX-2

Texas Instruments · AC-DC Controllers And Regulators · VSSOP-8-0.65mm

LM5021MMX-2 from Texas Instruments, in a VSSOP-8-0.65mm. 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 COMP input Control input for PWM and Hiccup comparators with 5kΩ internal pull-up resistor for opto-coupler biasing.
2 VIN power_in Input voltage to start-up regulator with 36V internal zener diode clamp.
3 VCC power_out 8.5V nominal regulated output of linear bias supply regulator for controller and gate drive.
4 OUT output MOSFET gate driver output capable of 0.3A peak source current and 0.7A peak sink current.
5 GND power_in Ground return.
6 CS input Current sense input with 0.5V threshold for cycle-by-cycle current limiting and 90ns leading edge blanking.
7 RT output Oscillator timing resistor pin accepting external resistor to ground for frequency setting and external clock synchronization pulses.
8 SS output Soft-start and hiccup timing pin driven by internal 22µA current source for startup ramp control.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8-0.65mm
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: LM5021MMX-2
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)
  • 3D model files: lm5021mmx-2-etched.step / lm5021mmx-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm5021mmx-2.step / lm5021mmx-2.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 039278930e2432ef, retrieved 2026-09-22, 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, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5 (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).

Datasheet PDF