SLUSF62
April 2024
TPS53840
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device and Documentation Support
4.1
Receiving Notification of Documentation Updates
4.2
Support Resources
4.3
Trademarks
4.4
Electrostatic Discharge Caution
4.5
Glossary
5
Revision History
6
Mechanical, Packaging, and Orderable Information
6.1
Packaging Information
6.2
Tape and Reel Information
15
1
Features
Compliant to JEDEC PMIC5020 for DDR5 MRDIMM and RDIMM
4 Buck regulators
SWA (1.1V) 8.5A DC/10A Pk
SWB (1.1V) 8.5A DC/10A Pk
SWC (1.1V) 10A DC/11.5A Pk
SWD (1.8V) 3A DC/3.5A Pk
Single or dual phase for SWA and SWB
2 LDO: 1.8V / 25mA and 1.0V / 20mA
VIN_Bulk (4.25V to 15V) and VIN_Mgmt (3.0V to 3.6V) input supplies
Automatic switchover from VIN_Mgmt to VIN_Bulk
Overvoltage, under voltage, over current, temperature warning and temperature shutdown
Error injection capability
DIMM specific registers for customization (EEPROM)
Persistent error log registers
Programmable switching frequency: 500kHz to 1.375MHz
Power good pin (CAMP) and General status interrupt pin (GSI_n)
I
2
C and I3C Bus interface for telemetry of voltage, current, power, temperature, and fault conditions
Enable with I
2
C/I3C, VR_EN pin or Auto power on
5mm Ă— 5mm, 35-Pin, QFN
PowerPad™
package