LTC2947IUHF-65#PBF Analog Devices Integrated Circuit (Other) In Stock
Analog Devices LTC2947IUHF-65#PBF is a high-current power and energy monitor capable of measuring currents up to 65A with integrated voltage, charge, and energy accumulation. It features an I2C/SPI interface and adjustable alert thresholds in a 38-lead QFN package, suitable for industrial and server power monitoring applications requiring precision telemetry.
- Manufacturer
- Analog Devices
- Package
- Other
- Pin Count
- 38
- Lifecycle
- ACTIVE
- Datasheet
- LTC2947IUHF-65#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $9.5200(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC2947IUHF-65#PBF?
- Measures currents up to 65A with integrated shunt for accurate real-time power and energy telemetry
- Simultaneous voltage, current, power, charge, and energy accumulation in a single IC reduces BOM complexity
- Adjustable alert thresholds with interrupt output enable autonomous overcurrent and overvoltage protection
- I2C and SPI dual-interface support allows integration with diverse MCU and FPGA host platforms
What is LTC2947IUHF-65#PBF used for?
The LTC2947IUHF-65#PBF is designed for server rack power distribution units, industrial motor drives, and energy storage management systems requiring real-time monitoring of high currents up to 65A. It logs cumulative energy consumption in watt-hours and charge in coulombs, enabling intelligent power management and billing-grade metering in data center and telecom infrastructure. The device also suits battery management systems and EV charging stations where precise current integration over time is critical for state-of-charge estimation.
What are the specifications of LTC2947IUHF-65#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1598 |
| YTEOL | 9 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | VOLTAGE SUPERVISOR/RESET IC |
| JESD-30 Code | R-PQCC-N38 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 15V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Where can I find the LTC2947IUHF-65#PBF datasheet?
LTC2947IUHF-65#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC2947IUHF-65#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum current the LTC2947IUHF-65#PBF can measure, and what parameters does it monitor simultaneously?
The LTC2947IUHF-65#PBF monitors currents up to 65A and simultaneously accumulates voltage, current, power in watts, charge in coulombs, and energy in watt-hours in internal registers. This multi-parameter capability in a single 38-lead QFN IC eliminates the need for separate power meters and shunt resistors in server PSU or battery pack monitoring designs.
How do the adjustable alert thresholds in the LTC2947IUHF-65#PBF protect a high-current power distribution system?
The LTC2947IUHF-65#PBF allows engineers to program overcurrent thresholds from a few amperes up to 65A and overvoltage limits independently via I2C/SPI registers. When a threshold is crossed, the interrupt output asserts within microseconds, allowing an external MCU or FPGA to trip a relay or gate drive signal before cable or connector damage occurs, improving system MTBF in 48V server bus applications.
In what power delivery architectures is the LTC2947IUHF-65#PBF preferred over lower-current monitors like the INA226?
The LTC2947IUHF-65#PBF is chosen over 3A- to 15A-range monitors like the INA226 when the load current exceeds 20A, such as in GPU server boards, 48V POL converters, and EV charging stations delivering 30A to 65A per channel. Its integrated high-current sense architecture avoids the need for large external shunt resistors in the 1 mΩ to 5 mΩ range that would otherwise introduce thermal management complexity.
What interface options and package characteristics make the LTC2947IUHF-65#PBF suitable for high-density server board integration?
The LTC2947IUHF-65#PBF supports both I2C (up to 400 kHz) and SPI interfaces, fitting seamlessly into BMC (baseboard management controller) monitoring buses on server motherboards without additional level shifting for 1.8V or 3.3V host controllers. Its 38-lead QFN package measures approximately 6mm × 6mm, enabling placement close to the power connector in a compact telemetry island and minimizing current-sense trace length between the IC and the 65A shunt path.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $18.5000 | $18.50 |
| 10+ | $13.0630 | $130.63 |
| 19+ | $12.6200 | $239.78 |
| 500+ | $11.2800 | $5640.00 |
| 1000+ | $9.5200 | $9520.00 |
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