TPS544C27 4V to 18V Input, 35A, Buck Converter With SVID and PMBus®

1 Features

Single chip power supply for SVID rails
Intel® VR14 and VR13 compliant
VR14.Cloud compliant with telemetry level 2 and security level 2
PMBus® 1.5 interface with NVM for configuration, telemetry (V/I/T) and fault reporting
Input voltage: 4V to 18V
Output voltage: 0.25V to 5.5V
Supports external 5V bias improving efficiency and enabling 2.7V minimum input voltage
Output current: 35A continuous and 40A peak
Cycle-by-cycle valley I_OUT OCF limit programmable up to 40A
Input power monitoring (PIN sense)
Programmable DCM or FCCM operation
Switching frequency: 400kHz to 2MHz
Programmable internal loop compensation including droop (DC Load Line)
Programmable soft-start time from 0.5ms to 16ms
Programmable soft-stop time from 0.5ms to 4ms
Programmable output voltage slew rate: 0.625mV/µs to 25mV/µs
Programmable V_IN UVLO, V_OUT OVF/UVF, and OTF
Safe start-up into prebiased outputs
Precision voltage reference and differential remote sense for high output accuracy
- ±0.5% tolerance from 0°C to 85°C junction
- ±1% tolerance from –40°C to 125°C junction
Analog output current output pin (IMON)
D-CAP+™ control topology with fast transient response
Open-drain power-good output (VRRDY)