MAX20047

PRODUCTION

Dual 3A USB DCP Charger

Industry's Smallest Dual 3A Port Automotive DCP Charger

Data Sheet (Rev. 0) Product Selection Table
Part Models
4
1ku List Price
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Part Details

  • Operating VIN Range of 3.5V to 36V
  • 40V Load-Dump Protection
  • Synchronous DC-DC Converter with Integrated FETs
  • 93% Charge Efficiency at 3A Charging
  • 0.4MHz to 2.2MHz Programmable Switching Frequency by External Pin Settings
  • Spread-Spectrum Operation
  • Fixed 8ms Internal Soft-Start
  • 5.20V Output
  • 99% Duty-Cycle Operation with Low Dropout
  • ±2% Output-Voltage Accuracy
  • Input System Overvoltage and Short-Circuit Protection
  • Accurate SRC_DMOS Current Limiting with Minimal Voltage Drop
    • Low RON 15mΩ Dual USB Power Switches
    • Adjustable SRC_DMOS Current Limit by External Pin Settings
    • Integrated Current Sensing
  • Thermal Regulation and Thermal Shutdown
  • Dual Autonomous Battery-Charging Ports with Portable Device Detection
    • Integrated Apple® 2.4A, 2.1A, 1.0A Detection
    • Integrated Samsung® Detection
    • Integrated DCP Detection
  • Robust for the Automotive Environment
    • Short-to-Battery and Short-to-Ground Protection on Protected SRC_DMOS Output
    • Short-to-Battery and Short-to-PV Protection on Protected HVDP1, HVDM1, HVDP2, and HVDM2 Inputs
    • Tested to ISO 10605 and IEC 61000-4-2 ESD Standards
    • 20-Pin (5.0mm x 3.5mm) FC2-QFN Package
    • -40°C to +125°C Operating Temperature Range
    • AEC-Q100 Qualified
MAX20047
Dual 3A USB DCP Charger
MAX20047: Functional Diagram
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Documentation

Data Sheet 1

Design Note 1

Technical Articles 1

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Evaluation Kits

MAX20047EVKIT

Evaluation Kit for the MAX20047

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Features and Benefits

  • Configurable Charge-Detection Modes
    • USB-IF BC 1.2 Dedicated Charging Port (DCP)
    • Apple® 2.4A, 2.1A, 1.0A, and Samsung® Termination Resistors
  • Integrated, High-Efficiency, DC-DC Converter (440kHz to 2.2MHz)
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX20047 evaluation kit (EV kit) demonstrates the MAX20047 IC in an integrated and small package format.

The EV kit is configured for 400kHz operation, with a 3A (min) per-port current limit. There are two Type A receptacles that can be used to demonstrate the charger emulation capabilities.

Applications

  • Automotive Cigarette Lighter Adapters
  • Power Supply for Linear Chargers
  • USB Dedicated Charging Ports (DCP)
MAX20047EVKIT
Evaluation Kit for the MAX20047

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