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ICS1702

Features: · Multiple charge termination methods include:- Voltage slope- Temperature slope- Maximum temperature- Charge timer· Four stage charge sequence:- Soft start charge- Fast charge- Topping charge- Maintenance charge· Reverse-pulse charging available in all charge stages· Nine programmable c...

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SeekIC No. : 004370708 Detail

ICS1702: Features: · Multiple charge termination methods include:- Voltage slope- Temperature slope- Maximum temperature- Charge timer· Four stage charge sequence:- Soft start charge- Fast charge- Topping ch...

ICS1702 Data Sheet

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Part Number:
ICS1702
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·  Multiple charge termination methods include:
- Voltage slope
- Temperature slope
- Maximum temperature
- Charge timer
· Four stage charge sequence:
- Soft start charge
- Fast charge
- Topping charge
- Maintenance charge
· Reverse-pulse charging available in all charge stages
· Nine programmable charge rates between 15 minutes (4C) and four hours (C/4)
·  Out-of-temperature range detection
- Hot battery: charger shutdown
- Cold battery: low current charge
· Continuous polling mode for battery detection
· Six auxiliary modes include:
- Discharge-before-charge
- Ten hour C/10 conditioning charge
- Direct to C/40 maintenance charge
- Charging system test provided through controller
· Adjustable open circuit (no battery) voltage reference


Application

Battery charging systems for:
- Portable consumer electronics
- Power tools
- Audio/video equipment
- Communications equipment
- Portable medical electronics
- Wireless handsets


Pinout

Connection Diagram


Specifications

Supply Voltage
6.5
V
Logic Input Levels
-0.5 to VDD + 0.5
V
Ambient Operating Temperature
0 to 70
Storage Temperature
-55 to 150



Description

The ICS1702 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 and/or temperature slope termination. The ICS1702 employs a four stage charge sequence that provides a complete recharge with-out overcharging. The controller of the ICS1702 has nine user-selectable charge rates and six userselectable
auxiliary modes available for customized charging systems.

The ICS1702 monitors for the presence of a battery and begins charging when a battery is installed. Voltage and temperature are measured to ensure a battery is within fast charge conditions before charge is initiated.




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