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MAX15301AA02

MAX15301AA02

InTune Automatically Compensated Digital PoL Controller with Driver and PMBus Telemetry

Only Digital Power IC To Meet Transient and Light-Load Efficiency Performance Metrics Set by Analog Controllers

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Overview

Description

The MAX15301AA02 is a full-featured, highly efficient, digital point-of-load (PoL) controller with advanced power management and telemetry features. Unlike PID-based digital power regulators, the MAX15301AA02 uses Maxim’s patented InTune™ automatically compensated, state-space control algorithm. The InTune control law is valid for both the small- and large-signal response and accounts for duty-cycle saturation effects. These capabilities result in fast loop transient response and reduce the number of output capacitors compared to competing digital controllers.

The MAX15301AA02 includes multiple features to optimize efficiency. An internal switch BabyBuck™ regulator generates the gate drive and the internal bias supplies for the controller with low power loss. An advanced, high-efficiency MOSFET gate driver has adjustable nonoverlap timing and load-variable gate-drive voltage to minimize switching losses over the full range of voltage, current, and temperature.

The MAX15301AA02 was designed for end-customer’s design environment. An on-board PMBus™-compliant serial bus interface enables communication with a supervisory controller for monitoring and fault management. A full suite of power management features eliminates the need for complicated and expensive sequencing and monitoring ICs. Basic DC-DC conversion operation can be set up via pin strapping and does not require user configuration firmware. This allows for rapid development of the power-supply subsystem before board-level systems engineering is completed. Maxim provides support hardware and software for configuring the IC.

The MAX15301AA02 is available in a 32-lead, 5mm x 5mm TQFN package and operates over the -40°C to +85°C temperature range.
MAX15301AA02: Typical Operating Circuit MAX15301AA02: Typical Operating Circuit Enlarge+

Key Features

  • InTune Automatic Compensation Ensures Stability While Optimizing Transient Performance
  • State-Space Compensation Results in Fast Transient Response with Reduced Output Capacitance
  • Differential Remote Voltage Sensing Enables ±1% VOUT Accuracy over Temperature (-40°C to +85°C)
  • PMBus Interface for Configuration, Control, and Monitoring
  • Supports Voltage Positioning
  • High Output 2A/4A MOSFET Driver
    • Adjustable Nonoverlap Timing
    • Variable Gate-Drive Voltage
  • Wide Input Range of 4.5V to 14V
  • Efficient On-Chip BabyBuck Regulator for Self-Bias
  • Output Voltage Range from 0.5V to 5.25V
  • Startup into a Prebiased Output
  • Configurable Soft-Start and Soft-Stop Time
  • Fixed-Frequency Operation and Synchronization Flexible Sequencing and Fault Management
  • Pin-Strappable Configuration
    • Output Voltage, SMBus Address, Switching Frequency, Current Limit
  • Out-of-the-Box Operation Enables Fast Prototyping

Applications/Uses

  • Base-Station Equipment
  • Power Modules
  • Routers/Switches
  • Servers
  • Storage Systems

Parametric Specs

Part NumberVIN
(V)		VIN
(V)		VOUT1
(V)		VOUT1
(V)		Preset VOUT
(V)		Output Adjust. MethodIOUT1
(A)		Switch TypeSynchronous SwitchingPower Good SignalDC-DC OutputsOper. Freq.
(kHz)		Package/PinsBudgetary
Price
minmaxminmaxmaxSee Notes
MAX15301AA02 4.5140.55.25
0.6
0.7
0.75
0.8
0.85
0.9
0.95
1
1.05
1.1
1.2
1.5
1.8
2.5
3.3
5
Digital/VID
Resistor
40ExternalYesYes11000
SOIC(N)/8
$3.54 @1k
See All Step-Down Switching Regulators (404)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources


MAX15301EVKITHP: Evaluation Kit for the MAX15301AA02

Technical Documents

User Guide 5981 PowerTool MAXPOWERTOOL002# Quick Start Guide
User Guide 5793 MAX15301 PMBus Command Set User’s Guide
App Note 5601 Current Calibration Procedure for InTune Digital Power
App Note 5349 Digital Power Solution Optimizes Base-Station Operation
Tutorial 5133 Power-Supply Solutions for Altera FPGAs
Tutorial 5132 Power-Supply Solutions for Xilinx FPGAs

Quality and Environmental Data

Request Reliability Report for: MAX15301AA02 
Lead-Free Package Tin (Sn) Whisker Reports

Additional Resources

The EV kit requires the use of the MAXPOWERTOOL002# which is not included and must be purchased separately.

Tools & Models

  • MAX15301AA02 Gerber File

    •

    Quality And Environmental

    Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >

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    Tools & Models

    Technical Docs

    Reference Designs

    Type ID Title
    Evaluation Board8608MAX15301EVKITHP Evaluation Kit for the MAX15301AA02