MAX77647
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MAX77647

Ultra-Configurable SIMO PMIC Featuring 3-Output Buck-Boost, 1-LDO for Long Battery Life Primary Cell Applications

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Low IQ SIMO PMIC supports 1.8V operating voltage for primary cell applications

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price
price unavailable
Features
  • 1.8V to 3.3V Input Range
  • Highly Integrated
    • 3x Output, Single Inductor Multiple Output (SIMO) Buck-Boost Regulators
    • Supports Wide Output Voltage Range from 0.5V to 5.1V for all SIMO Channels
    • 1x 150mA LDO
    • 100mA in LSW Mode
    • 2x GPIOs (MAX77647)
    • Watchdog Timer (MAX77647)
  • Ultra Low-Power SIMO
    • 1.3μA Operating Current (3x SIMO Channels)
    • 0.1μA Shutdown Current
    • 85% Efficiency in Buck-Only Mode (VIN = 2.4V, VOUT = 0.8V,10mA, IPK = 0.5A)
    • 86% Efficiency in Buck-Boost Mode (VIN = 2.4V, VOUT = 1.8V,10mA, IPK = 0.5A)
    • Less Than 20mVpp Output Ripple at VOUT = 1.8V
    • Automatic Low-Power Mode to Normal-Power Mode Transition
  • Flexible and Configurable
    • Ultra-Configurable Resistor Programmable Output Voltages (MAX77646)
    • I2C-Programmable Output Voltages (MAX77647)
  • Small Size
    • 5mm2 Wafer-Level Package (WLP)
    • 20-Bump, 0.5mm Pitch, 5 x 4 Array
Additional Details
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The MAX77646/MAX77647 provides power supply solutions for low-power applications where size and efficiency are critical. The IC features a Single Inductor Multiple Output (SIMO) buck-boost regulator that provides three independently programmable power rails from a single inductor to minimize total solution size. A 150mA LDO provides ripple rejection for audio and other noise-sensitive applications. The LDO can also be configured as a load switch to manage power consumption by disconnecting external blocks when not required.

The MAX77646/MAX77647 operates with battery voltages from 1.8V with coin-cell, dual silver oxide, dual alkaline, and LiSOCL2 primary batteries.

The MAX77646 (RSEL variant) SIMO and LDO output voltages are individually programmable through resistors. A peak current limit input is used to set both the inductor's peak current limits of the device with a single resistor. Individual enable pins combined with the flexible resistor programmability allows the device to be tailored for many applications.

The MAX77647 (I2C variant) SIMO and LDO output voltages are individually programmable through I2C and in addition, includes two GPIOs with alternate modes for scalability. A bidirectional I2C serial interface allows for configuring and checking the status of the devices. An internal on/off controller provides a controlled startup sequence for the regulators and provides supervisory functionality while they are on. Numerous factory programmable options allow the device to be tailored for many applications, enabling faster time to market.

APPLICATIONS

  • GNSS Module
  • IoT Enabled Wireless Sensor Nodes
  • Home Safety and Security Monitors
  • Factory Safety and Security Monitors
  • Fitness, Health, and Activity Trackers
Part Models 2
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX77647AANP+
  • HTML
  • HTML
MAX77647AANP+T
  • HTML
  • HTML
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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MAX77647EVKIT

MAX77647 Evaluation Kit

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MAX77647EVKIT

MAX77647 Evaluation Kit

MAX77647 Evaluation Kit

Features and Benefits

  • Easy to Use
  • GUI-Driven I2C Interface
  • Assembled and Fully Tested
  • Evaluates Push-Button, Slide-Switch, and Logic Mode On-Key Options
  • On-Board Electronic Loads
    • Steady-State, Transient, and Random Modes

Product Detail

The MAX77647 evaluation kit (EV kit) allows for easy experimentation with various MAX77647 features, including the SIMO buck-boost regulator, a linear regulator, an on/off controller, and an I2C interface. Windows®-based software provides a user-friendly graphical interface as well as a detailed register-based interface to exercise the features of the MAX77647.

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