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AEC-Q100, 26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts
VQFN-16Manufacturer:
Mfr.Part #:
INA3221AQRGVRQ1
Datasheet:
Series:
Automotive, AEC-Q100
Function:
Current/Voltage Monitor
Sensing Method:
High/Low-Side
Accuracy:
±0.25%
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X-Ray inspection ensures product integrity by detecting internal defects without damaging external packaging. It reduces failure rates and enhances production efficiency, making it indispensable in the electronics components industry.
The INA3221-Q1 is a three-channel, high-side current and bus voltage monitor with an I2C- and SMBUS-compatible interface. The INA3221-Q1 monitors both shunt voltage drops and bus supply voltages, in addition to having programmable conversion times and averaging modes for these signals. The INA3221-Q1 offers both critical and warning alerts to detect multiple programmable out-of-range conditions for each channel.
The INA3221-Q1 senses current on buses that can vary from 0 V to 26 V. The device is powered from a single 2.7-V to 5.5-V supply, and draws 350 μA (typ) of supply current. The INA3221-Q1 is specified over the operating temperature range of –40 °C to +125 °C. The I2C- and SMBUS-compatible interface features four programmable addresses.
• Infotainment
• Rear-seat entertainment
• Digital clusters
• Electronic control units
Category | Integrated Circuits (ICs)Power Management (PMIC)Current Regulation/Management | Series | Automotive, AEC-Q100 |
Function | Current/Voltage Monitor | Sensing Method | High/Low-Side |
Accuracy | ±0.25% | Voltage - Input | 0V ~ 26V |
Current - Output | - | Operating Temperature | -40°C ~ 125°C |
Mounting Type | Surface Mount | Base Product Number | INA3221 |
Common-mode voltage (max) (V) | 26 | Common-mode voltage (min) (V) | 0 |
Input offset (±) (max) (µV) | 80 | Input offset drift (±) (max) (µV/°C) | 0.5 |
Input offset drift (±) (typ) (µV/°C) | 0.1 | Voltage gain (V/V) | 1 |
CMRR (min) (dB) | 110 | Supply voltage (max) (V) | 5.5 |
Supply voltage (min) (V) | 2.7 | Iq (max) (mA) | 0.35 |
Digital interface | I2C, SMBus | Gain error (%) | 0.25 |
Gain error drift (±) (max) (ppm/°C) | 50 | Features | Alert Function, Bi-directional, Bidirectional, Low-side Capable |
Number of channels | 3 | Resolution (Bits) | 13 |
Power measurement accuracy (%) | 0.5 | TI functional safety category | Functional Safety-Capable |
Rating | Automotive | Operating temperature range (°C) | -40 to 125 |
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