LTM4675

LTM4675 Dual 9A or Single 18A µModule Regulator with Digital Power System Management FEATURES nn Dual, Fast, Analog Loops with Digital Interface for
Control and Monitoring nn Wide Input Voltage Range: 4.5V to 17V nn Output Voltage Range: 0.5V to 5.5V nn ±0.5% Maximum DC Output Error Over Temperature nn ±2.5% Current Readback Accuracy at 9A Load nn 400kHz PMBus-Compliant I2C Serial Interface nn Integrated 16-Bit ∆Σ ADC nn Supports Telemetry Polling Rates Up to 125Hz nn Constant Frequency Current Mode Control nn Parallel and Current Share Multiple Modules nn All 7-Bit Slave Addresses Supported nn Drop-In Pin-Compatible to Dual 13A LTM4676A nn 16mm × 11.9mm × 3.51mm BGA Package Readable Data: nn Input and Output Voltages, Currents, and Temperatures nn Running Peak Values, Uptime, Faults and Warnings nn Onboard EEPROM Fault Log Record Writable Data and Configurable Parameters: nn Output Voltage, Voltage Sequencing and Margining nn Digital Soft-Start/Stop Ramp nn OV/UV/OT, UVLO, Frequency and Phasing APPLICATIONS nn System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments DESCRIPTION The LTM®4675 is a dual 9A or single 18A step-down µModule® (micromodule) DC/DC regulator with 70ms turn-on time. It features remote configurability and telemetry-monitoring of power management parameters over PMBus— an open standard I2C-based digital interface protocol . The LTM4675 is comprised of fast analog control loops, precision mixed-signal circui...