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ADP3801 - High Frequency Switch Mode Dual Li-Ion Battery Chargers

Datasheet Summary

Description

The ADP3801 and ADP3802 are complete battery charging ICs.

The devices combine a high accuracy final battery voltage control with a constant charge current control and an on-board Low Drop-Out Regulator (LDO).

Features

  • Stand-Alone Li-Ion Battery Chargers High End-of-Charge Voltage Accuracy ؎0.4% @ +25؇C ؎0.75% @.
  • 10؇C to +70؇C Intelligent End-of-Charge Output Signal Pin Programmable Cell Number Select On Chip 3.3 V LDO Regulator Programmable Charge Current with High Side Sense Softstart Charge Current Undervoltage Lockout Drives External PMOS ؎10% Adjustable End-of-Charge Voltage Charges NiCad, NiMH (with External ␮Controller) PWM Oscillator Frequency: ADP3801: 200 kHz ADP3802: 500 kHz.

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Datasheet preview – ADP3801

Datasheet Details

Part number ADP3801
Manufacturer Analog Devices
File Size 255.29 KB
Description High Frequency Switch Mode Dual Li-Ion Battery Chargers
Datasheet download datasheet ADP3801 Datasheet
Additional preview pages of the ADP3801 datasheet.

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Full PDF Text Transcription

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a FEATURES Stand-Alone Li-Ion Battery Chargers High End-of-Charge Voltage Accuracy ؎0.4% @ +25؇C ؎0.75% @ –10؇C to +70؇C Intelligent End-of-Charge Output Signal Pin Programmable Cell Number Select On Chip 3.3 V LDO Regulator Programmable Charge Current with High Side Sense Softstart Charge Current Undervoltage Lockout Drives External PMOS ؎10% Adjustable End-of-Charge Voltage Charges NiCad, NiMH (with External ␮Controller) PWM Oscillator Frequency: ADP3801: 200 kHz ADP3802: 500 kHz APPLICATIONS Fast Chargers Universal Chargers Cellular Phones Portable Computers Portable Instrumentation Desktop Chargers Personal Digital Assistants GENERAL DESCRIPTION The ADP3801 and ADP3802 are complete battery charging ICs.
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