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INA2227 Datasheet(PDF) 3 Page - Texas Instruments |
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INA2227 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 43 page  4 Pin Configuration and Functions IN-1 DNC VBUS1 IN+1 DNC IN-2 VBUS2 IN+2 VS GND SCL A1 SDA EN A B C D 1 2 3 4 A0 ALERT Figure 4-1. YBJ Package 16-Bump DSBGA (Top View) Table 4-1. Pin Functions PIN TYPE DESCRIPTION NAME YBJ (DSBGA) A0 D3 Digital input Address pin. Connect to GND, SCL, SDA, or VS. Table 6-1 lists the pin settings and corresponding addresses. A1 C3 Digital input Address pin. Connect to GND, SCL, SDA, or VS. Table 6-1 lists the pin settings and corresponding addresses. ALERT A3 Digital output Multifunctional alert, open-drain output. This pin alerts to report fault conditions or can be configured to notify host when a conversion is complete. DNC B2, C2 - Do not connect, leave floating. EN B3 Digital input Enable pin. A logic high level enables the device; a logic low level disables the device. GND B4 Ground Ground for both analog and digital. IN–1 B1 Analog input Channel 1 current sensing negative input. For high-side applications, connect to load side of sense resistor. For low-side applications, connect to ground side of sense resistor. IN+1 A1 Analog input Channel 1 current sensing positive input. For high-side applications, connect to bus voltage side of sense resistor. For low-side applications, connect to load side of sense resistor. IN–2 C1 Analog input Channel 2 current sensing negative input. For high-side applications, connect to load side of sense resistor. For low-side applications, connect to ground side of sense resistor. IN+2 D1 Analog input Channel 2 current sensing positive input. For high-side applications, connect to bus voltage side of sense resistor. For low-side applications, connect to load side of sense resistor. SCL C4 Digital input Serial bus clock line, open-drain input. SDA D4 Digital input/output Serial bus data line, open-drain input/output. VBUS1 A2 Analog input Bus voltage input for channel 1. VBUS2 D2 Analog input Bus voltage input for channel 2. VS A4 Power Supply Power supply, 1.7V to 5.5V. www.ti.com INA2227 SBOSAL5 – JUNE 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: INA2227 |
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