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H8118A45M5R

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Shanghai Siproin Microelectronics DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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H8118A45M5R

Shanghai Siproin Microelectronics · DC-DC Converters · SOT-23-5

H8118A45M5R from Shanghai Siproin Microelectronics, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 EN input Shutdown pin: H level gives normal operation and L level stops the step-up; the shutdown input voltage is VSH min 0.75 V and VSL max 0.3 V, with absolute maximum EN pin voltage VSS-0.3 to VSS+8 V.
2 VOUT power_out Output voltage pin; absolute maximum VOUT pin voltage is VSS-0.3 to VSS+8 V.
3 NC unconnected No connection (N.C.).
4 GND power_in GND pin.
5 LX output External inductor connection pin; absolute maximum LX pin voltage is VSS-0.3 to VSS+8 V and LX pin current is 1000 mA.

Key specifications

Parameter Value
Manufacturer Shanghai Siproin Microelectronics
Package SOT-23-5
Category Power Management ICs
Pins 5

CAD (KiCad official)

  • Symbol: H8118A45M5R
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: h8118a45m5r-etched.step / h8118a45m5r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); h8118a45m5r.step / h8118a45m5r.glb are the bare package body.

Provenance

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

  • Datasheet: Shanghai Siproin Microelectronics datasheet (6 pp, sha256 b86cbaa950a423ac, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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