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SLUSD38 – NOVEMBER 2016 TPS53659 Dual-Channel (4-Phase + 1-Phase) or (3-Phase + 2-Phase) D-CAP+™ Step-Down
Multiphase Controller
with NVM and PMBusв„ў for VR13 Server Memory
1 Device Overview
1.1 Features 1 Full VR13 Server Feature Set Including Digital
Input Power Monitor Programmable Loop Compensations Configurable with Non-Volatile Memory (NVM) for
Low External Component Counts Individual Phase Current Calibrations and Reports Dynamic Phase Shedding with Programmable
Current Threshold for Optimizing Efficiency at Light
and Heavy Loads Fast Phase-Adding for Undershoot Reduction
(USR) Backward VR12.0 and VR12.5 Compatible 8-Bit DAC with Selectable 5 mV or 10 mV
Resolution and Output Ranges from 0.25 V to
1.52 V or 0.5 V to 2.8125 V for Dual Channels Driverless Configuration for Efficient HighFrequency Switching 1.2 Applications VR13 Memory Power of Server and Telecom
Applications 1.3 Fully Compatible with TI NextFETв„ў Power Stage
for High-Density Solutions Accurate, Adjustable Voltage Positioning Frequency Selections with Closed-loop Frequency
Control: 300 kHz to 1 MHz Patented AutoBalanceв„ў Phase Balancing Selectable, 16-level Per-Phase Current Limit PMBusв„ў System Interface for Telemetry of
Voltage, Current, Power, Temperature, and Fault
Conditions Dynamic Output Voltage Transitions with …
