MAX1909ETI - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1909ETI

Manufacturer

Analog Devices

Introduction

Integrated battery charger for multi-chemistry batteries with programmable features designed for 3 to 4 cell packs.

Product Features and Performance

3 to 4 cell battery charging capability

Programmable current, timer, and voltage

Constant current charging with programmable value

High charge current capacity up to 4A

Overcurrent fault protection for safety

Supports up to 17.65V battery pack voltage

Can operate with supply voltages up to 28V

Works in a wide operating temperature range from -40°C to 85°C

Surface mount 28-WFQFN Exposed Pad for PCB integration

Product Advantages

Versatile multi-chemistry charging support

High efficiency power management

Real-time programmability for various charging parameters

Robust safety features to prevent overcharging

Suitable for high power applications

Compact form factor with surface mount package for space-saving design

Key Technical Parameters

Battery Chemistry: Multi-Chemistry

Number of Cells: 3 ~ 4

Current - Charging: Programmable

Charge Current - Max: 4A

Battery Pack Voltage: 17.65V (Max)

Voltage - Supply (Max): 28V

Operating Temperature: -40°C ~ 85°C (TA)

Mounting Type: Surface Mount

Package / Case: 28-WFQFN Exposed Pad

Supplier Device Package: 28-TQFN (5x5)

Quality and Safety Features

Over Current Protection

Built-in safety measures for battery longevity and device integrity

Compliance with industry standards for quality and safety

Compatibility

Suitable for a wide range of multi-chemistry batteries used in various devices

Application Areas

Portable consumer electronics

Power tools

Battery-powered equipment

Medical devices

Uninterruptible Power Supplies (UPS)

Product Lifecycle

Active status product with ongoing manufacturing and support

Not indicated as nearing discontinuation

Replacement or upgrades possibly available

Several Key Reasons to Choose This Product

High charging current capability ideal for fast and efficient charging

Programmability allows for customization to specific charging needs

Operational reliability within a broad temperature range

Compact and versatile for integration into various electronic devices

Trusted manufacturer with a reputation for quality and performance