Digital power monitors
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Digital power monitors perform mathematical processing on chip, freeing up system processors to handle other tasks. Providing higher bit-depth with additional features such as ALERTs, energy accumulation and ambient temperature sensing, our portfolio of digital power monitors helps address the needs of various application types, especially those that need multidecade current sensing from 1000A to 100mA.
Select by parametric specification
Common-mode voltage
Select the common-mode voltage requirement for your current-sensing application.
Accuracy
Minimize current measurement error with highly accurate current-sense amplifiers.
Device features
Optimize your current, voltage or power monitoring system with additional device features.
Technical Resources
TI Precision Labs - Current Sense Amplifiers
An Engineer's Guide to Current Sensing (Rev. B)
Current Sense Amplifiers (Rev. E)
Discover featured applications
Monitoring current inflow and outflow from battery energy storage systems ensures proper operation and maximizes system efficiency
Precision monitoring of current, voltage, power and energy enables battery health monitoring and discrete fuel gauging of energy storage systems.
Benefits:
- Current measurements with <0.5% full-scale error over –40°C to +125°C temperature range.
- Monitoring the current and bus voltage in a single solution minimizes board space requirements for diagnostics.
- Flexible alert configurations enable the detection of multiple fault conditions.
- An operational common-mode voltage as high as 85 V allows use on multiple battery systems.
Featured resources
- TIDA-00639 – 600V Uni-directional Current/Voltage/Power Monitoring for Solar Smart Combiner Box Reference Design
- TIDA-00528 – 40 V to 400 V Uni-directional Current/Voltage/Power Monitoring Reference Design
- CS-AMPLIFIER-ERROR-TOOL – Current sense amplifier comparison and error tool
- ASC-STUDIO – Analog signal chain (ASC) studio
Precision current sensing can help your advanced driver assistance systems operate correctly for safe vehicle operation
Precision monitoring helps develop safer systems by measuring current and voltage to ensure safe operating conditions at controllers and the sensors systems such as radar, LiDAR, ultrasonic and cameras.
Benefits:
- Current measurements with <0.5% full-scale error over –40°C to +125°C temperature range.
- Monitoring the current and bus voltage in a single solution minimizes board space requirements for diagnostics.
- Flexible alert configurations enable the detection of multiple fault conditions.
- An operational common-mode voltage as high as 85 V allows use on multiple battery systems.
Featured resources
- INA238-Q1 – AEC-Q100, 85-V, 16-bit, high-precision, I²C output current/voltage/charge monitor
- INA226-Q1 – AEC-Q100, 36V, 16-bit, ultra-precise, i2c output current/voltage/power monitor w/alert
- INA3221-Q1 – AEC-Q100, 26V, triple channel, 13-bit, i2c output current/voltage monitor w/alerts
- CS-AMPLIFIER-ERROR-TOOL – Current sense amplifier comparison and error tool
Measure current feedback and cycle camera functionality: LEDs, heaters and motors, to stay below Power over Ethernet class limits and avoid power sourcing equipment shutdown
Precision monitoring of a camera input's AC/DC supply and Ethernet power can help prevent overcurrent and overvoltage events.
Benefits:
- Monitoring current and bus voltage in a single solution minimizes board space requirements and increases ease of use.
- Current measurements with <0.5% full-scale error over –40°C to +125°C temperature range.
- Flexible alert configurations enable the detection of multiple fault conditions.
- An operational common-mode voltage as high as 85 V allows use on the higher-voltage rail of flyback converters.
Featured resources
- CS-AMPLIFIER-ERROR-TOOL – Current sense amplifier comparison and error tool
- SYSCONFIG – System configuration tool
Design & development resources
Current sense amplifier comparison and error tool
System configuration tool
CCStudio™ SysConfig is part of TI's extensive CCStudio™ development ecosystem and is a configuration tool that simplifies hardware and software configuration challenges to accelerate software development.
SysConfig provides an intuitive graphical user interface for configuring pins, peripherals, (...)