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docs lm828m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
viewers lm828m5x: viewers · Ray 28d ago
lm828m5x-etched.fit.json lm828m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lm828m5x-etched.glb lm828m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lm828m5x-etched.step lm828m5x: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 5d ago
lm828m5x.glb Publish 0.1.0 · Ray 28d ago
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page.json lm828m5x: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 19h ago
README.md lm828m5x: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 19d ago

LM828M5X

Texas Instruments · Charge Pumps · SOT-23-5

LM828M5X from Texas Instruments, in a SOT-23-5. 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 OUT power_out Negative voltage output. Delivers the inverted supply, approximately -(V+), up to 25 mA. Connect the output charge-storage/reservoir capacitor C2 (typ. 10 µF, low ESR, 0.3 Ω max) from this pin to GND.
2 V+ power_in Power supply positive input. Operating range 1.8 V to 5.5 V (absolute max 5.8 V to GND). Bypass locally to GND.
3 CAP- passive Charge-pump flying-capacitor negative terminal. Connect to the negative terminal of the pump capacitor C1 (typ. 10 µF, low ESR). Switched between GND and OUT internally.
4 GND power_in Power supply ground input. Reference for both V+ and OUT.
5 CAP+ passive Charge-pump flying-capacitor positive terminal. Connect to the positive terminal of the pump capacitor C1 (typ. 10 µF, low ESR). Switched between V+ and GND internally at ~12 kHz.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • LM828M5X

CAD (KiCad official)

  • Symbol: LM828M5X
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lm828m5x-etched.step / lm828m5x-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm828m5x.step / lm828m5x.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (17 pp, sha256 e2f4d81a8e4e5b4f, 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).

Datasheet PDF