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ISL9203A Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL9203A Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 14 page 1 ® FN6430.0 ISL9203A Li-ion/Li Polymer Battery Charger The ISL9203A is an integrated single-cell Li-ion or Li-polymer battery charger capable of operating with an input voltage as low as 2.4V. This charger is designed to work with various types of AC adapters. The ISL9203A operates as a linear charger when the AC adapter is a voltage source. The battery is charged in a CC/CV (constant current/constant voltage) profile. The charge current is programmable with an external resistor up to 1.5A. The ISL9203A can also work with a current-limited adapter to minimize the thermal dissipation, in which case the ISL9203A combines the benefits of both a linear charger and a pulse charger. The ISL9203A features charge current thermal foldback to guarantee safe operation when the printed circuit board is space limited for thermal dissipation. Additional features include preconditioning of an over-discharged battery and thermally enhanced DFN package. Typical Application Circuit Features • Complete Charger for Single-Cell Li-ion Batteries • Very Low Thermal Dissipation • Integrated Pass Element and Current Sensor • No External Blocking Diode Required • 1% Voltage Accuracy • Programmable Current Limit up to 1.5A • Charge Current Thermal Foldback • Accepts Multiple Types of Adapters • Guaranteed operation down to VIN = 2.65V after start up • Ambient Temperature Range: -20°C to +70°C • Thermally-Enhanced DFN Packages • Pb-Free Plus Anneal Available (RoHS Compliant) Applications • Handheld Devices including Medical Handhelds • PDAs, Cell Phones and Smart Phones • Portable Instruments, MP3 Players • Self-Charging Battery Packs • Stand-Alone Chargers • USB Bus-Powered Chargers Related Literature • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” • Technical Brief TB379 “Thermal Characterization of Packaged Semiconductor Devices” • Technical Brief TB389 “PCB Land Pattern Design and Surface Mount Guidelines for QFN Packages” Ordering Information PART NUMBER (Note) PART MARKING TEMP. RANGE (°C) PACKAGE (Pb-free) PKG DWG. # ISL9203ACRZ 03ACZ -20 to +70 10 Ld 3x3 DFN L10.3x3 ISL9203ACRZ-T 10 Ld 3x3 DFN Tape and Reel NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. VBAT VIN 5V INPUT ISL9203A C1 V2P8 EN GND IREF VSEN STATUS TIME CTIME FLOATING TO ENABLE C2 C3 RIREF R1 Pinout ISL9203A (10 LD 3x3 DFN) TOP VIEW VIN STATUS TIME GND VBAT VSEN IREF V2P8 EN 2 3 4 1 5 9 8 7 10 6 NC Data Sheet February 14, 2007 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2007. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. |
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