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INA216A1RSWR

TIINA216A1RSWR

Texas Instruments
Current Monitor Regulator High-Side 10-UQFN (1.8x1.4)
NRND16,853 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The INA216A1RSWR is a high-side, zero-drift current shunt monitor designed for precise current measurement in low-voltage systems. It operates with a supply voltage between 1.8V and 5.5V and features a buffered voltage output for direct interfacing with microcontrollers. Its ultra-low typical quiescent current of 13uA makes it ideal for power-sensitive applications where energy efficiency is critical.

Why Choose This Part

The zero-drift architecture ensures high accuracy with minimal offset over the -40C to 125C operating temperature range. Its extremely small 1.8x1.4mm UQFN package and low 25uA maximum supply current allow for dense PCB layouts in battery-powered electronics.

Applications

Smart Phone Power Management
Monitoring battery discharge and charging currents in ultra-compact mobile devices.
Notebook and Tablet PC Power Rail Monitoring
Tracking real-time power consumption on low-voltage processor rails.
Handheld Medical Instrumentation
Providing accurate current feedback for battery-operated diagnostic tools requiring low drift over temperature.
Wearable Device Battery Gauging
Integrating into small-form-factor devices to provide precise current data for fuel gauging algorithms.

Key Specifications

Accuracy +/-0.01%
Function Current Monitor
Mounting Type Surface Mount
Package / Case 10-UFQFN
Sensing Method High-Side
Voltage - Input 1.8V ~ 5.5V
Operating Temperature -40degC ~ 125degC
Supplier Device Package 10-UQFN (1.8x1.4)

Getting Started

For rapid prototyping, use the INA216EVM evaluation module to test gain and accuracy performance. Connect the shunt resistor across the VIN+ and VIN- pins, and ensure the output is decoupled with a small capacitor if driving high-impedance ADC inputs.

INA216A1 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Stock
INA216A1RSWR (this part) UFQFN-10 16,853
INA216A1YFFR UFBGA-4 13,079

Also Consider

INA219 TITexas Instruments - Offers an I2C digital interface and handles common-mode voltages up to 26V if high-side sensing beyond 5.5V is required.

Categories

Analog ICs