Datasheet ADP2291ARMZ - Analog Devices IC, CHARGER, 1.5 A LI+, SMD, MSOP8 — 数据表

详细说明

Manufacturer: Analog Devices

Description: IC, CHARGER, 1.5 A LI+, SMD, MSOP8

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Docket:
Compact, 1.5 A Linear Charger for Single-Cell Li+ Battery ADP2291
FEATURES
Simple, safe linear charger for single-cell lithium battery 4.5 V to 12 V input voltage range Adjustable charging current up to 1.5 A Low cost PNP external pass element Automatic reverse isolation with no external blocking diode Output overshoot protection Deep discharge precharge mode Thermal shutdown Automatic recharge Programmable termination timer LED charging status indicator 4.2 V output voltage with ±1% accuracy over line and temperature 1 µA shutdown supply current Small, 8-lead MSOP and 3 Ч 3 mm LFCSP packages
GENERAL DESCRIPTION
The ADP2291 is a constant-current/constant-voltage linear charger for a single-cell, lithium ion battery, requiring just a few components to provide a simple and safe charging system that operates from a wide 4.5 V to 12 V input voltage range.

It features an internally controlled, multistep charging cycle that improves battery life. An external, low cost PNP provides the charg

Specifications:

• Base Number: 2291
• Battery Charge Voltage: 4.2 V
• Battery IC Case Style: MSOP
• Battery Management Function: Charger
• Battery Type: Li-Ion
• Charge Current Max: 1.5 A
• Input Voltage Max: 12 V
• Input Voltage: 12 V
• Mounting Type: SMD
• Number of Pins: 8
• Number of Series Cells: 1
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Max: 4.242 V
• Package / Case: MSOP
• Supply Voltage Range: 4.5 V to 12 V

RoHS: Yes