Datenblatt-Suchmaschine für elektronische Bauteile |
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SS6783AG Datenblatt(PDF) 1 Page - Silicon Standard Corp. |
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SS6783AG Datenblatt(HTML) 1 Page - Silicon Standard Corp. |
1 / 12 page www.SiliconStandard.com 1 of 12 SS6783A(G) 1/11/2005 Rev.2.10 Battery Charge Controller for Low Power Charging FEATURES Fast charge control of NiMH/NiCd batteries. Fast charge termination by: , s afety t imer, or maximum voltage. −∆V 0V ∆ Protection against battery voltage faults. Pulsed trickle-charge mode. Quick and easy testing for production. 8-pin DIP or SO packages. APPLICATIONS Battery Fast Chargers for: Mobile Phones. Notebook and Laptop Personal Computers. Portable Power Tools and Toys. Portable Communication Equipment. Portable Video & Stereo Equipment. DESCRIPTION The SS6783A fast charge controller IC is designed for intelligent charging of NiMH or NiCd batteries without the risk of overcharge. - DV detection (-0.25%) and 0DV detection (peak) voltage timer) are the primary methods employed by the SS6783A to terminate fast charging. Fast charging can also be cut off using the maximum battery voltage along with the safety timer to prevent charging under fault conditions of the charging system or the battery itself. The safety timer period is adjustable for flexible usage allowing the SS6783A to be used with a wide range of battery capacities. A test mode is provided for charger manufacturers to dramatically reduce production test time. TYPICAL APPLICATION CIRCUIT 2-Cell + C1 47 µF C2 4.7 µF C3 0.1 µF R7 100K R8 120K R5 220K R4 68K R6 100K R10 680 LED1 R9 200K Q1 2SC4672 R2 0.5 R1 680 D1 LL4148 D2 LL4148 REF 1 TIMER 2 MODE 3 GND 4 LED 5 ICON 6 VBT 7 VCC 8 U1 SS6 783A VIN=5V R3 10K D3 LL4148 NiMH/NiCd *Note: ICHARGE=380mA @VBAT=2.8V Linear Charger for 2-Cell NiMH/NiCd Batteries This device is available with Pb-free lead finish (second-level interconnect) as SS6783AGS. |
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