component
INA381A1IDSGR
Public Made by Adomby adom
Texas Instruments Power Management - Specialized, WSON-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownINA381A1IDSGR
Texas Instruments · Power Management - Specialized · WSON-8-EP(2x2)
INA381A1IDSGR from Texas Instruments, in a WSON-8-EP(2x2). 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 | IN+ | input | Connect this pin to the supply side of the shunt resistor |
| 2 | VS+ | power_in | Power supply: 2.7 V to 5.5 V |
| 3 | ALERT | tri_state | Overlimit alert, active low, open-drain output |
| 4 | RESET | input | Transparent or latch mode selection input |
| 5 | CMPREF | input | Input reference to the comparator |
| 6 | CMPIN | input | Signal input to the comparator |
| 7 | VOUT | output | Current-sense amplifier output voltage |
| 8 | IN- | input | Connect this pin to the load side of the shunt resistor |
| 9 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WSON-8-EP(2x2) |
| Category | Power Management (PMIC) |
| Pins | 9 |
CAD (KiCad official)
- Symbol:
INA381A1IDSGR - Footprint:
Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm - 3D model: WSON-8-EP(2x2) (KiCad packages3D, STEP)
- 3D model files:
ina381a1idsgr-etched.step/ina381a1idsgr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ina381a1idsgr.step/ina381a1idsgr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (44 pp, sha256
6a38c5a2491e4eea, retrieved 2026-10-01, 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, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).