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MAX8845X Datasheet 28V Linear Li+ Battery Chargers

Manufacturer: Maxim Integrated (now Analog Devices)

Download the MAX8845X datasheet PDF. This datasheet also includes the MAX8845W variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX8845W_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

General Description

The MAX8845Z/MAX8845Y/MAX8845X/MAX8845W are intelligent, stand-alone constant-current, constant-voltage (CCCV), thermally regulated linear chargers designed for charging a single-cell lithium-ion (Li+) battery.

The MAX8845Z/MAX8845Y/MAX8845X/MAX8845W integrate a current-sense circuit, MOSFET pass element, thermal-regulation circuitry, and eliminate the external reverse-blocking Schottky diode to create the simplest and smallest charging solutions for handheld equipment.

The ICs control the charging sequence from the prequalification state through constant current fast-charge, top-off charge, and full-charge indication.

Overview

19-4340; Rev 1; 9/09 KIT ATION EVALU E L B A AVAIL 28V Linear Li+ Battery Chargers with Battery Detection and Overvoltage Protected.

Key Features

  • www. DataSheet4U. com include an active-low control input (EN), an active-low input power source detection output (POK), and a fully charged top-off threshold detection output (CHG). The MAX8845Z/MAX8845Y/MAX8845X/MAX8845W accept an input supply range from 4.25V (4.4V for MAX8845W only) to 28V, but disable charging if the supply voltage exceeds +7.5V (+8.0V for MAX8845X only) to protect against unqualified or faulty AC adapters. The ICs operate over the extended temperature range (-40°C to +85°C).

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX8845W 28V Linear Li+ Battery Chargers
MAX8845Y 28V Linear Li+ Battery Chargers
MAX8845Z 28V Linear Li+ Battery Chargers
MAX8840 ultra-low-noise low-dropout linear regulators
MAX8841 ultra-low-noise low-dropout linear regulators
MAX8842 ultra-low-noise low-dropout linear regulators
MAX8844Y 28V Dual Input Linear Li+ Battery Chargers
MAX8844Z 28V Dual Input Linear Li+ Battery Chargers
MAX8847Y High-Performance Negative Charge Pump for 6 White LEDs
MAX8847Z High-Performance Negative Charge Pump for 6 White LEDs