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Data Sheet
TPS544E27 4V to
18V Input, 40A, 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: 40A continuous and 50A
peak
- Cycle-by-cycle valley
IOUT OCF limit programmable up to 50A
- 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 VIN UVLO,
VOUT 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)
