MAX8804Z

Obsolete

High-Voltage, Dual-Input, USB/AC Adapter Chargers in 2mm x 3mm TDFN

Industry's Smallest Dual Input Li+ Chargers Withstand 30V DC with Thermal Regulation, Allowing for Safest and Fastest Charging

Data Sheet (Rev. 2) Product Selection Table

Part Models: 1
1ku List Price: price unavailable

Viewing:

Overview

Complete Chargers for Single-Cell Li+ Battery
Dual-Input, 30V AC Adapter/16V USB
No External FET, Blocking Diode, or Sense Resistor Required
Automatic USB/AC Adapter Input Selection
Easy Programmable Fast-Charge Current and Top-Off Threshold
Proprietary Die Temperature Regulation Control
±5% Fast-Charge Current-Limit Accuracy
Battery Pack Detection Input (MAX8804V/MAX8804W)
Power-Present and Charger-Status Outputs
No Prequalification Charge (MAX8804Y)
Tiny 2mm x 3mm Thermally Enhanced TDFN Package
USB Charging

The MAX8804V/MAX8804W/MAX8804Y/MAX8804Z intelligent, dual-input, stand-alone, constant-current, constant-voltage (CCCV), thermally regulated linear chargers are designed for a single-cell lithium-ion (Li+) battery. They integrate the current-sense circuit, MOS pass element, thermal-regulation circuitry, and overvoltage protection (OVP), and eliminate the reverse-blocking Schottky diode.

The MAX8804V/MAX8804W/MAX8804Z function as stand-alone chargers to control the charging sequence from the prequalification state through fast-charge, topoff charge, and full-charge indication. The MAX8804Y eliminates the prequalification state to allow startup into a load without a battery. Proprietary thermal-regulation circuitry limits the die temperature when fast-charging or while exposed to high ambient temperatures, allowing maximum charging current without damaging the IC.

The MAX8804V/MAX8804W/MAX8804Y/MAX8804Z achieve high flexibility by providing an adjustable DC/USB fast-charge current through a simple single-wire interface (SET input). The chargers automatically select between either a USB or AC adapter input source. The AC adapter charge current is programmable from 400mA to 700mA in 50mA steps through a serial interface. The USB charge current is programmable to 95mA, 380mA, or 475mA through the same interface. Other features include an active-low battery charging-status indicator (active-low CHG), an active-low power-OK indicator (active-low POK), an active-low USB input detection output (active-low USBPWR) on the MAX8804Y/MAX8804Z, and battery pack detection (DETBAT) on the MAX8804V/MAX8804W.

The MAX8804V has 120mA, 140mA, 180mA, and 200mA active-low CHG top-off threshold settings, while the MAX8804W/MAX8804Y/MAX8804Z have 70mA, 80mA, 90mA, and 100mA. The MAX8804V/MAX8804W/MAX8804Y/MAX8804Z accept a 4.15V to 30V DC source voltage or a 4.15V to 16V USB input voltage, but disable charging when either input voltage exceeds 7.5V to protect against unqualified or faulty input sources. The MAX8804V/MAX8804W/MAX8804Y/MAX8804Z operate over the extended temperature range (-40°C to +85°C) and are available in a tiny 8-pin thermally enhanced 2mm x 3mm TDFN package.

Applications

Cell Phones/Smartphones
Digital Cameras
MP3 Players
Other Handheld Devices
Portable Media Players

Part Models: 1
1ku List Price: price unavailable

Documentation

Data Sheet 1

MAX8804-MAX8804Z: High-Voltage, Dual-Input, USB/AC Adapter Chargers in 2mm x 3mm TDFN Data Sheet (Rev.2) 05/01/2008

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX8804ZETA+	8-LFCSP-2X3X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

Can't find the software or driver you need?

Request a Driver/Software

Hardware Ecosystem

Parts	Product Life Cycle	Description
Battery Charger ICs 4
MAX1898	PRODUCTION	Linear Charger for Single-Cell Li+ Battery
MAX1501	PRODUCTION	Highly Integrated, Linear Battery Charger with Thermal Regulation for Portable Applications
MAX1508	PRODUCTION	Linear Li+ Battery Charger with Integrated Pass FET, Thermal Regulation, and ACOK Flag in 3mm x 3mm TDFN
MAX1507	PRODUCTION	Linear Li+ Battery Charger with Integrated Pass FET and Thermal Regulation in 3mm x 3mm Thin DFN

Evaluation Kits

Evaluation Kit for the MAX8804V, MAX8804W, MAX8804Y, and MAX8804Z

Buy Now View Details

Features and Benefits

Complete Charger for Single-Cell Li+ Battery
Dual-Input, 30V AC Adapter/16V USB
No External FET, Blocking Diode, or Sense Resistor Required
Automatic USB/AC Adapter Input Selection
Easy Programmable Fast-Charge Current and Top-Off Threshold
Proprietary Die Temperature Regulation Control
±5% Fast-Charge Current-Limit Accuracy
Battery-Pack Detection Input (MAX8804V/MAX8804W)
Power-Present and Charger-Status Outputs
No Prequalification Charge (MAX8804Y)
Tiny 2mm x 3mm Thermally Enhanced TDFN Package
Fully Assembled and Tested

Product Details

The MAX8804Z evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the highly integrated MAX8804Z linear battery charger for single-cell lithium-ion (Li+) batteries. The EV kit safely charges a single Li+ battery to 4.2V. The EV kit accepts a 4.15V to 30V DC source voltage or a 4.15V to 16V USB input voltage, but disables charging when either input voltage exceeds 7.5V to protect against unqualified or faulty input sources. A simple single-wire SET input to the EV kit allows the user to enable/disable the charger or program the charge current and top-off threshold. Three LEDs on the EV kit indicate the power-OK, USB power status, and charger status. The MAX8804Z EV kit can also evaluate the MAX8804V/MAX8804W/MAX8804Y. To evaluate the MAX8804V/MAX8804W/MAX8804Y, order a free sample along with this EV kit.