Overview
Description
The P8900 PMIC is a power management IC (PMIC) designed for typical DDR5 RDIMM, DDR5 LRDIMM, and DDR5 NVDIMM applications. The PMIC features four step-down switching regulators and three LDO regulators. The P8900 PMIC is designed to support up to 15 Watts of power. It is powered from VIN_Bulk input for switching regulators and VIN_Mgmt input for the rest of the PMIC. The P8900 PMIC supports selectable interface (I²C or I³C) to fit various application environments.
Features
- VIN_Bulk input supply range: 4.25V to 15.0V
- VIN_Mgmt input supply range: 3.0V to 3.6V
- Four step-down switching regulators: SWA, SWB, SWC, and SWD
- Programmable dual phase and single phase regulator for SWA and SWB
- 3 LDO regulators: VBias, VOUT_1.8V, VOUT_1.0V
- Automatic switchover from VIN_Mgmt input supply to VIN_Bulk input supply
- Independently programmable output voltages, power up and power down sequence for switch regulators
- Input and output power good status reporting mechanism
- VIN_Bulk input supply protection feature: input over voltage
- Multi-time programmable non-volatile memory
- Programmable and DIMM specific registers for customization
- General Status Interrupt function
- Flexible Open Drain IO (3.3V, 2.5V, 1.8V or 1.2V or 1.1V) or Push-Pull IO (1.2V or 1.1V) support
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet - Short-Form | PDF 80 KB | |
| Product Change Notice | PDF 1.35 MB | |
| Product Advisory | PDF 687 KB | |
| Product Advisory | PDF 96 KB | |
| Product Advisory | PDF 680 KB | |
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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