LM25066PSQE/NOPB ,System Power Management and Protection IC with PMBus 24-WQFN -40 to 125Features 2 Applications1• Input Voltage Range: 2.9 V to 17 V • Server Backplane Systems2• I C/SMBus ..
LM25069PMMX-2/NOPB ,Positive Low Voltage Power Limiting Hot Swap Controller 10-VSSOP -40 to 85FEATURES APPLICATIONS2• Operating R ange: +2.9V to +17V • Server Backplane Systems• In-rush Current ..
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LM25085SDE , 42V Constant On-Time PFET Buck Switching Controller
LM4050CIM3-4.1/NOPB ,Precision Micropower Shunt Voltage Reference 3-SOT-23 -40 to 85Features 3 DescriptionIdeal for space-critical applications, the LM4050-N1• Small Package: SOT-23pr ..
LM4050CIM3-5.0 ,Precision Micropower Shunt Voltage ReferenceGeneral Descriptionn Fixed reverse breakdown voltages of 2.048V, 2.500V,Ideal for space critical
LM4050CIM3-8.2 ,Precision Micropower Shunt Voltage Referenceapplications, the LM4050 precision4.096V, 5.000V, 8.192V, and 10.000Vvoltage reference is available ..
LM4050CIM3-8.2 ,Precision Micropower Shunt Voltage Referenceapplications, the LM4050 precision4.096V, 5.000V, 8.192V, and 10.000Vvoltage reference is available ..
LM4050CIM3X-10 ,Precision Micropower Shunt Voltage Referenceapplications, the LM4050 precision4.096V, 5.000V, 8.192V, and 10.000Vvoltage reference is available ..
LM4050CIM3X-10 ,Precision Micropower Shunt Voltage ReferenceApplicationsdown voltage accuracy over a wide range of operating tem-peratures and currents.n Porta ..
LM25066PSQE/NOPB
System Power Management and Protection IC with PMBus
OUT
UVLO/EN
VIN
GATE FB
OVLO
SENSE
VOUT
COUT
10k
VIN
RSNS
RFB2
1k
Only required when FET
Vgs rating is < +/-20V
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LM25066SNVS654J –FEBRUARY 2010–REVISED DECEMBER 2015
LM25066 System Power Management and Protection IC With PMBus™ Features 2 Applications Input Voltage Range: 2.9Vto17V • Server Backplane SystemsI2 C/SMBus Interface and PMBus™ Compliant • Basestation Power Distribution Systems
Command Structure • Solid-State Circuit Breaker Programmable 25-mVor 46-mV Current Limit
DescriptionThreshold
The LM25066 combinesa high-performance hot-• Configurable Circuit Breaker Protection for Hard
swap controller witha PMBus™ compliant SMBus/I2CShorts interfaceto accurately measure, protect and control• Configurable Undervoltage and Overvoltage the electrical operating conditionsof computing andLockouts With Hysteresis storage blades connectedtoa backplane power bus.• Remote Temperature Sensing With The LM25066 continuously supplies real-time power,
Programmable Warning and Shutdown voltage, current, temperature and fault datato the
system management host via the SMBus interface.Thresholds Detection and Notificationof Damaged MOSFET The LM25066 control block includesa unique hot-
Condition swap architecture that provides current and power
limitingto protect sensitive circuitry during insertionof• Real-Time Monitoringof VIN, VOUT, IIN, PIN, VAUX boards intoa live system backplane,or any other hotWith 12-bit Resolution and 1-kHz Sampling Rate power source.A fast acting circuit breaker prevents• Current Measurement Accuracy: ±2.4% Over damagein the eventofa short circuit on the output.Temperature The input undervoltage and overvoltage levels and Power Measurement Accuracy: ±3% Over hysteresis are configurable, as well as the insertion
delay time and fault detection time.A temperatureTemperature
monitoring block on the LM25066 interfaces witha• True Input Power Measurement Using low-cost external diode for monitoring theSimultaneous Samplingof VIN andIIN Accurately temperature of the external MOSFET or otherAverages Dynamic Power Readings thermally sensitive components. The POWER GOOD• Averagingof VIN, IIN, PIN, and VOUT Over output providesa fast indicator when the input and/or
Programmable Interval Ranging from 0.001to output voltages are outside their programmed range. Seconds LM25066 current measurement accuracyis ±2.4%
over temperature.• Programmable WARN and FAULT Thresholds
With SMBA Notification
Device Information(1) Blackbox Captureof Telemetry Measurementsand Device Status Triggeredby WARNor FAULTCondition
(1) Forall available packages, see the orderable addendumat• Full-Featured Application Design and the endofthe data sheet.Development GUI 24-Lead WQFN Package
Typical Application Schematic
