MAX20412

Automotive Low-Voltage 2-Channel Step-Down Controller

Dual-Output, High-Efficiency Step-Down Controller for Automotive SOC Core Power


Please check latest availability status for a specific part variant.

Description

The MAX20412 is a dual-output, high-efficiency, synchronous step-down controller IC that operates with a 3.0V to 5.5V input voltage range and provides a 0.25V to 1.275V output voltage range. The controller architecture enables up to 30A of load current per phase. Channel 1 has an option to operate with two phases to deliver higher load current, making this device ideal for automotive point-of-load (PoL) and post-regulation applications.

The IC achieves ±2% output error over load, line, and temperature ranges. The IC features a 2.2MHz/1.1MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes external components. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions.

The MAX20412 is offered with factory-preset output voltages (see the Selector Guide for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates for each channel. Other features include programmable soft-start, overcurrent, and overtemperature protections.

Key Features

  • 2-Channel, High-Efficiency DC-DC Controller in a Small Solution Size
    • 3.0V to 5.5V Operating Supply Voltage
    • OUT1 Supports 60A (with Two Phases)
    • OUT2 Supports 30A
  • High-Precision Regulator for Applications Processors
    • ±2% Output-Voltage Accuracy
    • Differential Remote-Voltage Sensing
    • I2C-Controlled Output Voltage: 0.25V to 1.275V in 6.25mV Steps
    • Excellent Load-Transient Performance
    • Programmable Compensation
  • Low-Noise Features Reduce EMI
    • 2.2MHz or 1.1MHz Operation
    • Spread-Spectrum Option
    • Frequency-Synchronization Input/Output
    • Current-Mode, Forced-PWM, and Skip Operation
  • Robust for the Automotive Environment
    • Individual Enable Inputs and PGOOD Outputs
    • Low RDS(ON) External MOSFETs
    • Overtemperature and Short-Circuit Protection
    • 32-Pin (5mm x 5mm) TQFN with Exposed Pad
    • -40°C to +125°C Operating Temperature Range
    • AEC-Q100 Qualified

Applications/Uses

  • Automotive
  • Core Processor System/GPU Power
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)
Design ToolsPackage/PinsBudgetary
Price
minmaxminmaxSee Notes
MAX20412 NEW!35.50.251.275
0.75
0.825
Digital/VID60ExternalYesYes2
1100
2200
EE-Sim
TQFN/32
TQFN-CU/32
$2.83 @1k
See All Step-Down Switching Regulators (402)
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.


MAX20412EVKIT: Evaluation Kit for the MAX20412

Quality and Environmental Data

Request Reliability Report for: MAX20412 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • EE-Sim: Design & Simulate MAX20412
  • 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 >

     
    Status:
    Package:
    Temperature:

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