MAX2003ACSE

Features: © Stand-Alone NiCd or NiMH Fast Chargers© New Pulsed Trickle-Charge Mode (MAX2003A only)© Provide Switch-Mode, Gated, or Linear ControlRegulation© Small, Narrow SO Package Available© On-Chip Fast-Charge Termination Methods:• Temperature Slope • Maximu...

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MAX2003ACSE Picture
SeekIC No. : 004409517 Detail

MAX2003ACSE: Features: © Stand-Alone NiCd or NiMH Fast Chargers© New Pulsed Trickle-Charge Mode (MAX2003A only)© Provide Switch-Mode, Gated, or Linear ControlRegulation© Small, Narrow SO Pack...

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Part Number:
MAX2003ACSE
Supply Ability:
5000

Price Break

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

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Upload time: 2024/3/27

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Product Details

Description



Features:

© Stand-Alone NiCd or NiMH Fast Chargers
© New Pulsed Trickle-Charge Mode (MAX2003A only)
© Provide Switch-Mode, Gated, or Linear Control
Regulation
© Small, Narrow SO Package Available
© On-Chip Fast-Charge Termination Methods:
• Temperature Slope • Maximum Voltage
• Negative Delta Voltage • Maximum Time
• Maximum Temperature
© Automatically Switch from Fast-Charge to
Trickle-Charge or Top-Off Charge
© Optional Discharge-Before-Charge
© Directly Drive Status LEDs
© Optional Top-Off Charge



Application

Battery-Powered Equipment:
Laptop, Notebook, and Palmtop Computers
Handy-Terminals
Portable Consumer Products:
Portable Stereos
Cordless Phones
Backup-Battery Applications:
Memory Hold-Up
Emergency Switchovers



Pinout

  Connection Diagram


Specifications

All Pins to VSS...........................................................-0.3V, +6.0V
Continuous Power Dissipation (TA = +70°C)
Plastic DIP (derate 10.53mW/°C above +70°C) ...........842mW
Narrow SO (derate 8.70mW/°C above +70°C) .............696mW
Wide SO (derate 9.52mW/°C above +70°C).................762mW
Operating Temperature Range...............................0°C to +70°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C



Description

he MAX2003/MAX2003A are fast-charge battery chargers (with conditioning) for NiCd (nickel cadmium) or NiMH (nickel-metal hydride) rechargeable batteries. The MAX2003A has the same features as the MAX2003 with an additional pulsed trickle-charge mode to prevent den-drite formation in NiMH batteries. Each can be config-ured as a switch-mode current regulator or as a gating controller for an external current source. Switch-mode current regulation providesefficient energy transfer, reducing power dissipation and the associated heating.Gating control of an external current source requiresminimal components, saving space and cost.On-chip algorithms determine charge termination, so theMAX2003/MAX2003A can be used as stand-alonechargers. Fast charge termination is accomplished by five methods:  temperature slope, negative voltage change, maximum temperature, maximum time, and maximum voltage. As a safety feature, the start of fast-charge is inhibited until battery voltage and temperature are within safe limits. By selecting the appropriatecharge-termination method, a single circuit can be builtwith the MAX2003/MAX2003A to fast-charge both NiMH and NiCd batteries.The MAX2003/MAX2003A provide a switch-activated discharge-before-charge option that allows for battery conditioning and more accurate capacity measure-
ment. Other features include optional top-off charging and direct drivers for LED status lights. The MAX2003, in DIP and wide SO packages, is a direct
plug-in replacement for the bq2003. The MAX2003/ MAX2003A also come in a space-saving narrow SO package. The MAX2003A evaluation kit (MAX2003A
EVKIT-SO) is available to assist in designs.


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