INA3221AIRGVR

Identity

• Manufacturer: TI(德州仪器)
• Model / MPN: INA3221AIRGVR
• LCSC: C181255
• Category: current-monitor
• Description: 3-channel high-side shunt and bus voltage monitor with I2C and SMBUS-compatible interface, Vcm -300mV~26V, 10uA Ib, 500nV Vos.
• Source: EasyEDA/JLC verified common component seed
• Project designators: Not project-specific
• Project quantity per board: Not project-specific

Capabilities

• i2c: interface

Package And Footprint

• Package / footprint name: QFN-16-EP(4x4)
• Pin count: 16
• EasyEDA symbol UUID: 374a9dc881cf4021bf2a10bdc843a7bf
• EasyEDA footprint UUID: 965af9028bc6444ba10a20be17c46213
• EasyEDA device UUID: a2feb17b2bad43e3876749c225c80eb0
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: Not characterized in seed; extract active current from datasheet tables.
• Sleep / standby current: Not characterized in seed; extract sleep/standby current from datasheet tables.
• Supply rails: Not characterized in seed; capture allowed supply rail range from datasheet.
• Notes: Seed values are search hints only. Verify power modes, rail limits, startup requirements, and reference design passives from the datasheet.

Procurement Classification

• JLC class: Extended Part
• JLC note / assembly basis: EasyEDA/JLC verified common power distribution, protection, and sensing seed
• Assembly status: jlc_extended
• Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
• Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

• Datasheet / product URL: https://www.ti.com/cn/lit/gpn/ina3221
• Product URL: https://www.ti.com/cn/lit/gpn/ina3221
• Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

• Good for: I2C bus-voltage, shunt-current, battery-rail, load-current, and power monitoring
• Avoid when: Not captured yet.
• Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
• Equivalent search hints: match category current-monitor, interfaces i2c, package QFN-16-EP(4x4), and EasyEDA footprint UUID 965af9028bc6444ba10a20be17c46213.

Search Keywords

seed:common-power-distribution-sense, source:easyeda-bridge, iot, common-pcb, power-distribution, power-sensing, protection, ina3221, i2c, three-channel, current-monitor, power-monitor, qfn-16-ep-4x4, jlc-extended, jlc_extended, jlc-note:easyeda-jlc-verified-common-power-distribution-protection-and-sensing-seed