MAX77818EWZ+ The MAX77818EWZ+ from Analog Devices is a 3A switch mode battery charger IC with an integrated fuel gauge. It supports Lithium Ion/Polymer batteries and features an I2C interface.
Mfr Part #:

MAX77818EWZ+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX77818EWZ+ from Analog Devices is a 3A switch mode battery charger IC with an integrated fuel gauge. It supports Lithium Ion/Polymer batteries and features an I2C interface.
✓ Total Stock: 1,340 pcs
$ Price Range: $1.29

MAX77818EWZ+ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,340 pcs
1340 pcs On Request 1 On Request On Request On Request On Request On Request

MAX77818EWZ+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Current
Fault Protection
Interface
Mounting Type
Number of Cells
Operating Temperature
Operating Voltage
SVHC Present
Supplier Device Package
Voltage

MAX77818EWZ+ Description

Short technical summary and product information.

The MAX77818EWZ+ by Analog Devices is a high-performance 3A switching charger with a proprietary ModelGauge m5 fuel gauge, designed for USB-powered portable devices. It integrates a smart power path charger supporting dual inputs, reverse blocking, and USB On-the-Go (OTG) functionality. The device operates efficiently, enabling low-heat designs with small external components.

 

Key electrical specifications include a maximum charge current of 3A, support for 1-cell Lithium Ion/Polymer batteries with a pack voltage of 4.2V, and a supply voltage of 5V. It features an I2C serial interface for programmability and includes fault protection for over current and over voltage conditions. The operating temperature range is -40°C to 85°C.

 

This IC is housed in a compact 72-WLP (72-WFBGA, WLBGA) package, suitable for surface mounting. Its integrated features and high efficiency make it ideal for applications such as portable medical devices, wearables, smartwatches, handheld devices, and IoT sensors.

MAX77818EWZ+ Quick Information

Product Type: Battery Charger
Series: MAX77818
Canonical Name: MAX77818EWZ+ Dual Input, Power Path, 3A Switch Mode Charger with Fuel Gauge
Subcategory: Power Management ICs

MAX77818EWZ+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX77818EWZ+ Estimated Pricing

Qty Low High
1+ $1.29 $1.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX77818EWZ+ Features

  • 3A maximum charging current.
  • Integrated ModelGauge m5 fuel gauge.
  • Supports 1-cell Lithium Ion/Polymer batteries.
  • I2C serial interface for control.
  • Compact 72-WLP package for surface mount.

MAX77818EWZ+ Applications

  • Ideal for portable medical devices.
  • Suitable for wearable smartwatches.
  • Used in handheld electronic devices.
  • Applicable for IoT sensors.
  • Powers wireless speakers and headsets.

MAX77818EWZ+ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum charge current for the MAX77818EWZ+?

The maximum charge current is 3A.

What battery chemistry does the MAX77818EWZ+ support?

It supports Lithium Ion/Polymer batteries.

How many battery cells can the MAX77818EWZ+ charge?

It is designed for 1 cell.

What is the operating temperature range of the MAX77818EWZ+?

The operating temperature range is -40°C to 85°C.

What package type is the MAX77818EWZ+ available in?

It is available in a 72-WLP package.

What interface does the MAX77818EWZ+ use for communication?

It uses an I2C serial interface.

What are the fault protection features of the MAX77818EWZ+?

It includes Over Current and Over Voltage protection.

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