MAX77932C

PRODUCTION

8A Dual-Phase Switched-Capacitor Converter

Industry's Highest-Efficiency, lowest IQ Inductorless DC-DC Converter for 2S Li+ Batteries in a Tiny 7mm2 WLP Package

Data Sheet (Rev. 0)
Product Selection Table
Part Models
2
1ku List Price
Starting From $1.56
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Part Details

  • ​8A Switched Capacitor Converter
  • 2S to 1S Battery Voltage Conversion (VOUT = VIN/2)
  • Integrated Power Switches
  • Low IQ: 30μA Operating, 4μA Shutdown
  • Soft-Start with Programmable Current and Timeout
  • Programmable Input Overvoltage Lockout
  • Programmable Output Overvoltage Lockout
  • Programmable Overcurrent Protection
  • Programmable Switching Frequency 0.25MHz to 1.5MHz
  • Thermal Alarm and Protection
  • Chip Enable Input
  • Power Good Indicator Output
  • Frequency Dithering
  • I2C Interface with Interrupt
MAX77932C
8A Dual-Phase Switched-Capacitor Converter
MAX77932C: Simplified Block Diagram
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Documentation

Data Sheet 1

Technical Articles 1

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Tools & Simulations

Software Development 2

Evaluation Kits

MAX77932EVKIT

Evaluation Kit for the MAX77932C

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Features and Benefits

  • 8A Switched-Capacitor Converter
  • 2S to 1S Battery Voltage Conversion
  • Integrated Power Switch
  • Soft-Start
  • Programmable Protection Thresholds
  • Thermal Alarm and Protection
  • Chip Enabled
  • I2C Interface with Interrupt Feature
  • On-Board I2C Communication Interface
  • Windows 7 or Newer Compatible Software
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX77932 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB that evaluates the 8A dual-phase switched-capacitor converter MAX77932C.

The MAX77932 EV kit includes the IC evaluation board with an integrated I2C communication interface and a USB micro-B cable. Windows® based graphical-user interface (GUI) software is available for use with the EV kit and can be downloaded from Maxim’s website at www.maximintegrated.com/products/MAX77932C (under the Design Resources tab). Windows 7 or newer Windows operating system is required to use the EV kit software.

Applications

  • 2S Li+ Battery Applications
  • Chromebooks
  • DSLR and Mirrorless Cameras
  • Mobile Point-of-Sale (mPOS) Devices
  • Portable Gaming Devices
  • Portable Printers
  • Power Banks
  • Smartphone Direct Charging
  • Smartphones and Tablets
  • Two-Way Radios
  • Ultrabook Computers
MAX77932EVKIT
Evaluation Kit for the MAX77932C

Reference Designs

MAXREFDES179 Block Diagram
MAXREFDES179 Block Diagram
MAXREFDES179
Figure 1. System Board
MAXREFDES179 Circuits from the lab

Multicell USB-C PD Charging with Fuel Gauge Platform

View Detailed Reference Design

Features and Benefits

  • Input operating range of 3.5V to 25V
  • Type-C and USB-PD support

    • DRP and Try,Snk state
    • Cable orientation, power role detection
    • Integrated VCONN switch with OCP

  • Autonegotiate for the highest PD power profile (45W) when Sink
  • Autoenable OTG when Source
  • Autoconfigurable battery charger
  • AP control to overwrite PD power profile, OTG limit, USB-PD functions, buck-boost charger configuration, read/write MAX17320 fuel gauge status, configure MAX77932 switched capacitor converter

Part Used

Design & Integration Tools

Videos

  • lazy blur
    VIDEO · 2023-02-08 03:17
    Don't Let a Low Battery Eat Into Your Playtime
MAXREFDES179
Multicell USB-C PD Charging with Fuel Gauge Platform
MAXREFDES179 Block Diagram
MAXREFDES179
Figure 1. System Board

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