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HG1118M-AD15

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by Ray

HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, ESOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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HG1118M-AD15

HGSEMI · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · ESOP-8

HG1118M-AD15 from HGSEMI, in a ESOP-8. 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 GND/ADJ1 input Channel 1 ground / adjust pin. In the adjustable channel 1 (AD variant), this pin is the feedback/ADJ node (typ. 1.250 V reference vs. VOUT1) with ~60 µA adj-pin current; set VOUT1 with an external resistor divider. Also serves as the return for regulator 1.
2 VIN1 power_in Channel 1 regulator input supply. Recommended VIN = 12 V, absolute max 15 V. Requires input decoupling (typ. 10 µF) close to the pin.
3 GND/ADJ2 power_in Channel 2 ground. For the -AD15 variant, channel 2 is the fixed 1.5 V output, so this pin is used as GND (F1/F2 internally connected, ADJ path open).
4 VIN2 power_in Channel 2 regulator input supply. Recommended VIN = 12 V, absolute max 15 V. Requires input decoupling (typ. 10 µF) close to the pin.
5 VOUT2 power_out Channel 2 regulated output (fixed 1.5 V on -AD15, ±1.5% at 25 °C). Rated up to 1 A per channel; requires an output capacitor for stability (≥22 µF for adjustable variants, smaller acceptable for fixed).
6 VOUT2 power_out Channel 2 regulated output (fixed 1.5 V on -AD15). Second bond-out of the VOUT2 net; tie externally to pin 5 to share current and heat.
7 VOUT1 power_out Channel 1 regulated output (adjustable on -AD15 via an external divider between VOUT1 and ADJ1; reference 1.250 V, adjust range set by external Rs). Rated up to 1 A per channel; ≥22 µF output cap recommended for the adjustable channel.
8 VOUT1 power_out Channel 1 regulated output. Second bond-out of the VOUT1 net; tie externally to pin 7 to share current and heat.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package ESOP-8
Category PMIC
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • HG1118M-AD15/TR

CAD (KiCad official)

  • Symbol: HG1118M-AD15
  • Footprint: Package_SO:SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm
  • 3D model: ESOP-8 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HGSEMI datasheet (10 pp, sha256 b96732d7b751a79e, retrieved 2026-08-17, 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: 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