XDPE19283B
Description
The XDPE19283B digital dual loop 8 phase controller provides power for AMD™ SVI3 server, workstation, and high-end desktop applications. Command and monitor functions are controlled through the SVI3 interface which supports dynamic voltage changes (VOTF), power states (PS), and VR Telemetry and Status requirements.
Key Features
- Digital controller assisted high performance analog front ends with a fully programmable ARM® CortexTM - M0 Processor
- Compliant with AMD™ SVI3 Rev 2.0 dc-dc converter specification
- Compliant with PMBus rev 1.3 compliant serial interface - Query voltage, current, temperature faults - Fault Response - Maximum supported bus speed 1 MHz - Support 1.8/3.3 V operation
- Output voltage regulation range - 0.25 V to 2.8 V (5 mV/step)
- Programmable to support either one or two fully digitally controlled voltage loops in different phase confugurations: 8+0, 7+1, 6+2, … ,4+4 phases
- Flexible PWM phase order and Phase Mapping
- Configurable autonomous phase add/drop
- Automatic phase detection at start-up
- Supports start-up into pre-bias voltage
- Integrated power stage current sense
