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Contents

README

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HR9110S

Jiaxing Heroic Elec Tech · Brushed DC Motor Drivers · SOP-8

HR9110S from Jiaxing Heroic Elec Tech, in a SOP-8. 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 OA output H-bridge output terminal A of the driver, rated for a continuous output current of ±1.2 A per bridge (peak 3 A).
2 VM power_in Power supply for the driver (load supply), recommended range 1.8 V to 6 V, absolute maximum 6.8 V.
3 VCC power_in Power supply for logic, recommended range 1.8 V to 5 V, absolute maximum 5.5 V.
4 OB output H-bridge output terminal B of the driver, rated for a continuous output current of ±1.2 A per bridge (peak 3 A).
5 PGND power_in GND for the driver; the application note identifies this pin as part of the high-current path (VM, OA, OB, PGND).
6 INA input Logic input that combines with INB to select standby, forward, reverse or brake; input low is below 0.3VCC and input high is above 0.7VCC.
7 INB input Logic input that combines with INA to select standby, forward, reverse or brake; input low is below 0.3VCC and input high is above 0.7VCC.
8 AGND power_in GND for logic.

Key specifications

Parameter Value
Manufacturer Jiaxing Heroic Elec Tech
Package SOP-8
Category Motor Driver ICs
Pins 8

CAD (KiCad official)

  • Symbol: HR9110S
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: hr9110s-etched.step / hr9110s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hr9110s.step / hr9110s.glb are the bare package body.

Provenance

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

  • Datasheet: Jiaxing Heroic Elec Tech datasheet (10 pp, sha256 89534a026d0596da, retrieved 2026-10-09, 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 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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