Current Monitor Regulator High-Side 10mA 10-VSSOP
The INA229AIDGST is a high-precision digital power monitor designed for accurate measurement of shunt voltage, bus voltage, current, power, energy, and charge in low- and high-side sensing applications. The device integrates a low-offset delta-sigma analog-to-digital converter with programmable calibration and alert functionality, enabling precise system-level power monitoring in industrial, automotive, telecommunications, server, and battery-powered applications.
The device communicates through a high-speed I²C- and SMBus-compatible serial interface and supports wide common-mode voltage operation for flexible integration into multi-rail power systems. Internal computation engines provide direct digital reporting of current, power, accumulated energy, and charge values, minimizing host processor overhead.
The INA229AIDGST includes programmable conversion timing, averaging modes, alert outputs, and diagnostic monitoring features to support advanced power management and protection architectures. Its low input offset and high measurement accuracy make it suitable for precision instrumentation, energy metering, and power optimization systems.
Key Features
High-accuracy current, voltage, power, energy, and charge monitoring
Supports both high-side and low-side current sensing architectures
Wide common-mode input voltage range
Integrated precision delta-sigma ADC architecture
Direct digital calculation of power, energy, and accumulated charge
Programmable calibration and averaging configuration
I²C- and SMBus-compatible communication interface
Configurable alert and fault monitoring output
Low offset voltage and low gain error for precision measurements
Programmable conversion time and operating modes
Integrated temperature measurement support
Suitable for industrial, enterprise, automotive, and battery-powered systems
Electrical Characteristics
Precision shunt voltage measurement capability
High-resolution bus voltage monitoring
Integrated current and power computation engine
Low quiescent current operation
Wide supply voltage operating range
High common-mode transient immunity
Low measurement drift over temperature
Interface and Control
I²C-compatible serial interface
SMBus compatible operation
Programmable device addressing
Configurable alert pin functionality
Internal register-based configuration and diagnostics
Package Information
Package Type: VSSOP
Package Variant: DSG
Surface-mount package configuration
Thermally optimized compact footprint suitable for dense PCB layouts
Typical Applications
Power supply monitoring
Battery management systems
Industrial automation equipment
Telecom infrastructure
Server and data center power management
Embedded system power analytics
Energy monitoring and metering
DC motor and actuator monitoring
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