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HG1507MDT-5.0

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by Ray

HGSEMI DC-DC Converters, TO-252-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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HG1507MDT-5.0

HGSEMI · DC-DC Converters · TO-252-4

HG1507MDT-5.0 from HGSEMI, in a TO-252-4. 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 VIN power_in Power supply input pin. Requires a DC supply in the 4.5V-40V range. A large-value bypass capacitor should be connected between VIN and GND to suppress supply noise.
2 OUTPUT output Power switch output pin. This is the switching node connected internally to the emitter of the internal power transistor; drives the external inductor/catch-diode network delivering 3A to the load.
3 GND power_in Ground pin. Layout should route this pin to ground on the output-capacitor return path (not through the catch-diode path) to prevent switching current spikes from injecting noise into the circuit. The exposed metal tab is also GND.
4 FEEDBACK input Voltage feedback pin. In the fixed 5.0V version this pin is tied directly to the output rail so the internal divider regulates VOUT to 5V. The internal reference threshold is 1.23V.
5 ON_OFF input Enable/shutdown pin with hysteresis. A logic low (typ. <0.8V) turns the regulator on; a logic high (typ. >1.4V) shuts the chip down. Floats to logic low by default (regulator on).

Key specifications

Parameter Value
Manufacturer HGSEMI
Package TO-252-4
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • HG1507MDT-5.0/TR
  • HG1507MD5T-5.0/TR

CAD (KiCad official)

  • Symbol: HG1507MDT-5.0
  • Footprint: Package_TO_SOT_SMD:TO-252-4
  • 3D model: TO-252-4 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: HGSEMI datasheet (11 pp, sha256 c6513164f7827258, 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