ICS1722M GALAXY [Galaxy Power, Inc.], ICS1722M Datasheet

ICS1722M

Manufacturer Part Number

ICS1722M

Description

QuickSaver-R Charge Controller for Nickel-Cadmium and Nickel-Metal Hydride Batteries

Manufacturer

GALAXY [Galaxy Power, Inc.]

Datasheet

1.ICS1722M.pdf (24 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

ICS1722M

Manufacturer:

ICS

Quantity:

20 000

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General Description

The ICS1722 is a CMOS device designed for the intelligent charge

control of either nickel-cadmium (NiCd) or nickel-metal hydride

(NiMH) batteries. The controller uses a pulsed-current charging

technique together with voltage slope termination. The ICS1722

employs a four stage charge sequence that provides a complete

recharge without overcharging. The controller has nine user-

selectable charge rates and six user-selectable auxiliary modes

available for customized charging systems.

The ICS1722 monitors for the presence of a battery and begins

charging when a battery is installed. The ICS1722 is for

applications where temperature sensing is not required by the

charge controller.

Applications

Battery charging systems for:

Block Diagram

OPEN CIRCUIT

MODE SELECT

QuickSaver® Charge Controller for Nickel-Cadmium

and Nickel-Metal Hydride Batteries

REFERENCE

VOLTAGE

CHARGE

SELECT

SENSE

- Portable consumer electronics

- Power tools

- Audio/video equipment

- Communications equipment

RESET

ADC

0.5V

MICROCODE CONTROL

RAM

PROCESSOR

OSCILLATOR

Features

Charge termination methods include:

Four stage charge sequence:

Reverse-pulse charging available in all charge stages

Nine programmable charge rates between 15 minutes (4C)

and four hours (C/4)

Continuous polling mode for battery detection

Six auxiliary modes include:

Adjustable open circuit (no battery) voltage reference

ROM

Voltage slope

Charge timers

Soft start charge

Fast charge

Topping charge

Maintenance charge

Discharge-before-charge

Ten hour C/10 conditioning charge

Direct to C/40 maintenance charge

Charging system test provided through controller

CONTROL

OUTPUT

POLLING

MODE LED

CHARGE

MODE LED

MAINTENANCE

MODE LED

CHARGE

CONTROL

DISCHARGE

CONTROL

ICS1722

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