MAX6790 Maxim Integrated Products, MAX6790 Datasheet

MAX6790

Manufacturer Part Number

MAX6790

Description

(MAX6782 - MAX6790) Battery Monitors

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX6790.pdf (20 pages)

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DataSheet

19-0541; Rev 1; 10/06

The MAX6782–MAX6790 are low-power, 1% accurate,

dual-/triple-/quad-level battery monitors offered in small

TDFN and TQFN packages. These devices are ideal for

monitoring single lithium-ion (Li+) cells, or multicell alka-

line/NiCd/NiMH power sources. These devices feature

fixed and adjustable hysteresis options to eliminate out-

put chattering associated with battery-voltage monitors.

The MAX6782/MAX6783 offer four battery monitors in a

single package with factory-set (0.5%, 5%, 10%) or

adjustable hysteresis. The MAX6784/MAX6785 provide

three battery monitors with factory-set (0.5%, 5%, 10%)

or adjustable hysteresis. The MAX6786/MAX6787/

MAX6788 offer two battery monitors with external inputs

for setting the rising and falling thresholds, allowing

external hysteresis control. The MAX6789/MAX6790 fea-

ture quad-level overvoltage detectors with complemen-

tary outputs.

The MAX6782–MAX6790 are offered with either open-drain

or push-pull outputs. The MAX6782/MAX6784/MAX6786/

MAX6789 are available with push-pull outputs while the

MAX6783/MAX6785/MAX6787/MAX6790 are available with

open-drain outputs. The MAX6788 is available with one

open-drain output and one push-pull output (see the

Selector Guide ). This family of devices is offered in space-

saving TDFN and TQFN packages and is fully specified

over the -40°C to +85°C extended temperature range.

Battery-Powered Systems

(Single-Cell Li+ or

Multicell NiMH, NiCd,

Alkaline)

Cell Phones/Cordless

Phones

Note: All devices are available in tape and reel in 2.5k increments. For tape and reel orders, add a “T” after the “+” to complete the part

number.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX6782TE_+

MAX6783TE_+

MAX6784TC_+

MAX6785TC_+

MAX6786TA+

MAX6787TA+

MAX6788TA+

MAX6789TB+

MAX6790TB+

Battery Monitors in Small TDFN and TQFN Packages

.com

PART

Low-Power, 1% Accurate, Dual-/Triple-/Quad-Level

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Maxim Integrated Products

MONITOR LEVEL

General Description

Pagers

Portable Medical Devices

PDAs

Electronic Toys

MP3 Players

Applications

LBO OUTPUT

Quad

Triple

Dual

—

Single

—

Ordering Information continued at end of data sheet.

+ Denotes lead-free package.

* EP = Exposed paddle.

The MAX6782/MAX6783/MAX6784/MAX6785 are available with

factory-trimmed hysteresis. Specify trim by replacing “_” with

“A” for 0.5%, “B” for 5%, or “C” for 10% hysteresis.

Pin Configuration and Typical Operating Circuit appear at

end of data sheet.

MAX6782TE_+

MAX6783TE_+

MAX6784TC_+

MAX6785TC_+

1% Accurate Threshold Specified Over Full

Temperature Range

Dual-/Triple-/Quad, Low-Battery Output Options

Low 5.7µA Battery Current

Open-Drain or Push-Pull Outputs

Fixed or Adjustable Hysteresis

Low Input Bias Current

Guaranteed Valid Low-Battery-Output Logic State

Down to V

Reverse-Battery Protection

Immune to Short Battery Transients

Fully Specified from -40°C to +85°C

Small TDFN and TQFN Packages

PART

Single

—

BATT

Push-Pull/Open Drain

-40°C to +85°C

TEMP RANGE

OUTPUT TYPE

= 1.05V

Open Drain

Ordering Information

Push-Pull

Selector Guide

PIN-

PACKAGE

16 TQFN-EP*

12 TQFN-EP*

HYSTERESIS

Features

Fixed/Adj

Adj

—

T1633-4

T1233-1

CODE

PKG

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