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AAT3682

Features: • VIN Range: 4.7V to 6.0V• Low Quiescent Current, Typically 0.5mA• 1% Accurate Preset Voltage• Up to 1A of Charging Current• Integrated Pass Device• Battery Temperature Monitoring• Fast Trickle Charge Option• Deep Discharge Cell Conditionin...

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SeekIC No. : 004261192 Detail

AAT3682: Features: • VIN Range: 4.7V to 6.0V• Low Quiescent Current, Typically 0.5mA• 1% Accurate Preset Voltage• Up to 1A of Charging Current• Integrated Pass Device• Bat...

AAT3682 Data Sheet

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Part Number:
AAT3682
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: 2024/4/30

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Product Details

Description



Features:

• VIN Range: 4.7V to 6.0V
• Low Quiescent Current, Typically 0.5mA
• 1% Accurate Preset Voltage
• Up to 1A of Charging Current
• Integrated Pass Device
• Battery Temperature Monitoring
• Fast Trickle Charge Option
• Deep Discharge Cell Conditioning
• LED Charge Status Output or System
Microcontroller Serial Interface
• Power-On Reset
• Lower Power Sleep Mode
• Status Outputs for LED or System Interface
Indicates Charge and Fault Conditions
• Temperature Range: -20°C to +70°C
• 16-Pin QFN44 Package




Application

• Cellular Telephones
• Digital Still Cameras
• Hand-Held PCs
• MP3 Players
• Personal Data Assistants (PDAs)




Pinout

Connection Diagram




Specifications

  • VIN Range: 4.7V to 6.0V
  • Low Quiescent Current, Typically 0.5mA
  • 1% Accurate Preset Voltage
  • 650mA Charging Current
  • Integrated Pass Device
  • Battery Temperature Monitoring
  • Fast Trickle Charge Option
  • Deep Discharge Cell Conditioning
  • LED Charge Status Output or System Microcontroller Serial Interface
  • Power-On Reset
  • Lower Power Sleep Mode
  • Status Outputs for LED or System Interface Indicates Charge and Fault Conditions
  • Temperature Range: -20C to +70C
  • 16-Pin QFN44 Package


Symbol Description
Value
Units
VIN VIN Relative to GND
-0.3 to 6.0
V
VCSI CSI to GND
-0.3 to VCC+0.3
V
VT2X T2X to GND
-0.3 to 5.5
V
Bias, VBAT BAT to GND
-0.3 to VCC+0.3
V
TJ Operating Junction Temperature Range
-40 to 85





Description

span id="lblDescription">

The AAT3682 is a lithium-ion/polymer linear battery charger. It is designed for compact portable applications with a single cell battery. The AAT3682 precisely regulates battery charge voltage and charge current, and offers an integrated pass device, minimizing the number of external components required. The AAT3682 charges the battery in three different phases: preconditioning, constant current, and constant voltage. In preconditioning mode, the charge current has two different levels and is controlled by one external pin. Battery charge temperature and charge state are carefully monitored for fault conditions. A battery charge stable monitor output pin is provided to indicate the battery charge status through a display LED or interface to a system controller. The AAT3682 has the sleep mode option for when the input supply is removed. In this mode, it draws only 2.0A of typical current. The AAT3682 is available in a 16-pin QFN44 and is specified over the -20C to +70C temperature range.






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