Power management unit

Overview

PMU is designed to supply embedded integrated circuits with stable and precise voltage and 1%-accurate clock frequency. It integrates 4 LDOs and 3 oscillators:
* “Always ON” LDO to supply circuits that are supposed to be always on;
* “Powered Down” LDO to supply digital circuits of “Powered Down” domain
* “Context Safe” LDO to supply digital circuits of “Context Safe” domain
* “Flash” LDO to supply flash memory
* 1.024 MHz oscillator
* 10 MHz oscillator
* 100 MHz oscillator
All LDOs have controllable output voltage level and are complemented with VDD detectors to monitor output voltage value. All LDOs may function in two modes: full power mode and ECO mode to save battery charge if high performance of the system is not required.

Key Features

Global Foundries CMOS 55 nm
Input Voltage Range: +1.6V to +3.6V
Adjustable Output Voltage
No discrete filtering capacitors required (cap-less solution)
Embedded Power on Reset module
Low Quiescent Current
Supported foundries: TSMC, UMC, Global Foundries, SMIC

Applications

Battery-Powered equipment
Power solutions
Clocking

Deliverables

Schematic or NetList
Abstract view (.lef and .lib files)
Layout (optional)
Verilog behavior model
Extracted view (optional)
GDSII
DRC, LVS, antenna report
Test bench with saved configurations (optional)
Documentation

Technical Specifications

Foundry, Node

GlobalFoundries 55nm CMOS

Maturity

pre-silicon verification

Availability

Now

GLOBALFOUNDRIES

Pre-Silicon: 55nm
Silicon Proven: 55nm

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