Manufacturer Part Number
LTC2977IUP
Manufacturer
Analog Devices
Introduction
The LTC2977IUP is a power supply controller and monitor from Analog Devices, designed to manage up to eight power supply rails with advanced digital features.
Product Features and Performance
Controls up to eight power supplies
Digital management through PMBus interface
Precision measurement and reporting capabilities
Programmable power up and power down sequencing
On-chip EEPROM for fault recording and user configurations
I2C/SMBus compatible serial interface
Non-volatile error logging
Supports telemetry data acquisition
Integrated ADC for voltage, current, and temperature monitoring
Product Advantages
Multiple rails managed by a single chip improves system efficiency
Digital interface allows for flexible system integration and monitoring
Advanced sequencing capabilities ensure safe power management
Non-volatile memory preserves system data for diagnostics and recovery
Key Technical Parameters
Supply Voltage range of 3.3V, 4.5V to 15V
Operating Current of 10 mA
Operating Temperature range of -40°C to 105°C
64-QFN package for compact surface mounting
Quality and Safety Features
Built-in protections for overvoltage, undervoltage, overcurrent, and overtemperature events
EEPROM error logging aids in system reliability analysis
Compatibility
Compatible with various power supply topologies and architectures
Easily integrates with external sensors and devices using I2C/SMBus
Application Areas
Server and Telecommunications Power Management
Enterprise Systems and Network Equipment
Industrial and Embedded Systems
Product Lifecycle
Obsolete status, no longer manufactured or recommended for new designs
Existing stock may be available for current systems
Replacement or upgrade alternatives can be suggested by the manufacturer
Reasons to Choose This Product
Comprehensive power management solution reduces complexity
Digital interface provides modern system control and monitoring capabilities
Reliable and accurate telemetry for system diagnostics and performance optimization
Robust design ensures operation in wide temperature ranges and harsh environment
LTC2975IUP#PBFLinear Technology
LTC2977BIUP#PBFLT