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TPS2500 데이터시트(PDF) 27 Page - Texas Instruments |
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TPS2500 데이터시트(HTML) 27 Page - Texas Instruments |
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27 / 43 page ![]() TPS2500, TPS2501 www.ti.com SLVS886C – OCTOBER 2008 – REVISED AUGUST 2010 ADDITIONAL DESIGN EXAMPLE Specific Application Examples The Table 4 outlines several specific applications and component recommendations for the given electrical specifications. Table 4. Component Recommendations Application Example Electrical Specifications Component Values # of AUX VIN min VIN max IAUX max IUSB max ITOTAL Inductor CIN CAUX CUSB Description USB Load RILIM (kΩ) (V) (V) (mA) (mA) (mA) (mH) (mF)(1) (mF)(1) (mF)(2) Ports (mA) Single-cell lithium ion 1 100 2.7 4.2 100 550 650 3.3 10 22 150 30.9 battery or 3.3-V bus Single-cell lithium ion 2 0 2.7 4.2 0 1100 1100 2.2 10 22 150 18.2 battery or 3.3-V bus Two-cell NiMH 1 0 1.8 2.4 0 550 550 2.2 10 22 150 35.7 battery Single-cell lithium ion 2 0 2.7 5.25 0 1100 1100 2.2 10 22 150 18.2 battery ORed with 5-V bus Single-cell lithium ion 1 200 2.7 5.25 200 550 750 3.3 10 22 150 26.1 battery ORed with 5-V bus (1) Use low-ESR, X5R or X7R ceramic capacitors. (2) Not required for operation, only required to meet USB 2.0 standard Copyright © 2008–2010, Texas Instruments Incorporated Submit Documentation Feedback 27 Product Folder Link(s): TPS2500 TPS2501 |
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