LM25056A
www.ti.com SNVS785A – JANUARY 2011 – REVISED APRIL 2013 LM25056A System Power Measurement IC with PMBus
Check for Samples: LM25056A FEATURES APPLICATIONS Input Voltage Range: 3V to 17V I2C/SMBus Interface with PMBus Compliant
Command Structure Remote Temperature Sensing with
Programmable Warning and Shutdown
Thresholds Real Time Monitoring of VIN, IIN, PIN, VAUX with
12-bit Resolution and 1 kHz Sampling Rate Current Measurement Error: В±0.5%: +10В°C to
+85В°C Voltage Measurement Error: В±1.0%: +10В°C
to+85В°C Power Measurement Error: В±1.5%: +10В°C to
+85В°C True Input Power Measurement Using
Simultaneous Sampling of VIN and IIN
Accurately Averages Dynamic Power Readings Averaging of VIN, IIN, PIN, and VAUX Over
Programmable Interval Ranging from 0.001 to
4 Seconds User Programmable WARN and FAULT
Thresholds with SMBA Notification Black Box Capture of Telemetry
Measurements and Device Status Triggered by
WARN and FAULT Conditions Full Featured Application Development
Software WQFN-24 Package 1 234 Server Backplane Systems
Base Station Power Distribution Systems
Subsystem Power Measurement DESCRIPTION
The LM25056A combines high performance analog
and digital technology with a PMBusв„ў compliant
SMBusв„ў/I2C interface to accurately measure the …
