Data Sheets   Rev A, 11/2005 (pdf, 431K) Email PDF      Lead(Pb) - Free Data (Data Sheet Help)     Application Notes html(9k) Evaluation Boards pdf(194k) Price, Packaging, and Availability

	Product 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...More

Specifications Switching/Linear Linear # Cells Charged 1 Cell Type Li-Ion Final Voltage Options 4.2 Accuracy Over Temp (%) 1% Supply Current (max) 9mA Temp Range -40 to +85 °C Package LFCSP-8, MSOP-8 Find Similar Products

Functional Block Diagram Enlarge Symbols and Footprints  Other Diagrams: Pin Out Diagram 8-Lead MSOP 8-Lead LFCSP

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.

 

 

Price, Packaging, and Availability Print Table ADP2291 Model Options Model Status Package Pins Temp Range Price* (1000 pcs.) Available RoHS Compliant Samples Cart Purchase Cart ADP2291-EVAL Contact ADI EVALUATION BOARDS 8 Ind $50.60 9/12/2008 N Contact ADI Contact ADI ADP2291ACPZ-R7 Prodn 8 ld LFCSP (3x3mm) 8 Ind $1.13 10/31/2008 Y Material Declaration Add to Cart Add to Cart ADP2291ARMZ-R7 Prodn 8 ld MSOP 8 Ind $1.09 10/31/2008 Y Material Declaration Add to Cart Add to Cart The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. View Sales and Distribution Offices

 

 

Find Similar Products     Part# Reset Threshold (V) Min Reset Timeout (ms) Reset Output-Stage Backup-Battery Switch Chip Enable Gating Typ Watchdog Timeout (ms) Package Price* (1000 pcs.) ADM697 1.3; Adjustable 35 Active-High/Push-Pull; Active-Low/Push-Pull No Yes 100; 1,600; adj. DIP; SOIC $2.63 ADM800 4.3; 4.55 140 (Adjustable) Active-High/Open-Drain; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $2.33 ADM690A 4.65 140 Active-Low/Push-Pull Yes --- 1,600 DIP; SOIC; SOP $1.52 ADM802 4.4; 4.65 140 Active-Low/Push-Pull Yes --- 1,600 DIP; SOIC $2.23 ADM691A 4.65 140 (Adjustable) Active-High/Open-Drain; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC; SOP $1.68 ADM805 4.4; 4.65 140 Active-High/Push-Pull Yes --- 1,600 DIP; SOIC $2.23 ADM692A 4.4 140 Active-Low/Push-Pull Yes --- 1,600 DIP; SOIC $1.68 ADM8690 4.65 35 Active-Low/Push-Pull Yes --- 100; 1,600 DIP; SOIC $2.52 ADM693A 4.4 140 (Adjustable) Active-High/Open-Drain; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $1.85 ADM8691 4.65 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC; SOP $3.02 ADM695 4.65 140 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $2.73 ADM8692 4.4 35 Active-Low/Push-Pull Yes --- 100; 1,600 DIP; SOIC $2.72 ADM690 4.65 35 Active-Low/Push-Pull Yes --- 100; 1,600 DIP $2.42 ADM8693 4.4 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC; SOP $2.72 ADM692 4.4 35 Active-Low/Push-Pull Yes --- 100; 1,600; adj. DIP $2.42 ADM694 4.65 140 Active-Low/Push-Pull Yes --- 100; 1,600; adj. DIP $2.53 ADM696 1.3; Adjustable 35 Active-High/Push-Pull; Active-Low/Push-Pull Yes --- 100; 1,600; adj. DIP; SOIC $2.63 ADM691 4.65 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $2.73 ADM693 4.4 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $2.73 ADM8694 4.65 140 Active-Low/Push-Pull Yes --- 100; 1,600 DIP; SOIC $2.72 ADM8695 4.65 140 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes Yes 100; 1,600; adj. DIP; SOIC $2.19 ADM8696 1.3; Adjustable 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull Yes --- 100; 1,600; adj. DIP; SOIC; SOP $2.72 ADM8697 1.3; Adjustable 35 (Adjustable) Active-High/Push-Pull; Active-Low/Push-Pull No Yes 100; 1,600; adj. DIP; SOIC; SOP $2.72 * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing. ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information. Sorted by Part#