1 Features
1• Single chip to support Intel VR13.HC SVID POL
applications
• Two outputs to support VCCANA (5.5 A) and
P1V8 (4 A)
• D-CAP+™ Control for Fast Transient Response
• Wide Input Voltage (4.5 V to 15 V)
• Differential Remote Sense
• Programmable Internal Loop Compensation
• Per-Phase Cycle-by-Cycle Current Limit
• Programmable Frequency from 800 kHz to 2 MHz
• I2C System Interface for Telemetry of Voltage,
Current, Output Power, Temperature, and Fault
Conditions
• Over-Current, Over-Voltage, Over-Temperature
protections
• Low Quiescent Current
• 5 mm × 5 mm, 35-Pin QFN, PowerPAD Package

2 Applications
• Low Current SVID Rails for Intel Server Platforms

3 Description
The TPS53820 device is D-CAP+ mode integrated
step-down converter for low current SVID rails of Intel
CPU power supply. It provides up to two outputs to
power the low current SVID rails such as VCCANA
(5.5 A) and P1V8 (4 A). The device employs D-CAP+
mode control to provide fast load transient
performance. Internal compensation allows ease of
use and reduces external components.
The device also provides telemetry, including input
voltage, output voltage, output current and
temperature reporting. Over voltage, over current and
over temperature protections are provided as well.
The TPS53820 device is packaged in a thermally
enhanced 35-pin QFN and operates between –40°C
and 125°C.