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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MCP73123 датащи(PDF) 21 Page - Microchip Technology |
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MCP73123 датащи(HTML) 21 Page - Microchip Technology |
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21 / 34 page  © 2009 Microchip Technology Inc. DS22191A-page 21 MCP73123/223 6.0 APPLICATIONS The MCP73123/223 is designed to operate in con- junction with a host microcontroller or in stand-alone applications. The MCP73123/223 provides the pre- ferred charge algorithm for lithium iron phosphate cells Constant-current followed by Constant-voltage. Figure 6-1 depicts a typical stand-alone application circuit, while Figure 6-2 depict the accompanying charge profile. FIGURE 6-1: Typical Application Circuit. FIGURE 6-2: Typical Charge Profile for Single-Cell LiFePO4 Battery). STAT VDD NC 5 3 1 2 PROG 8 7 9 10 4.7 µF + - 1-Cell LiFePO4 Battery NC 6 4 1k Ω VDD VBAT VBAT VSS VSS 4.7 µF 1.15 k Ω MCP73123 Typical Application Ac-dc-Adapter 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 0 1020 304050 6070 Time (Minutes) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 VDD = 5V RPROG = 1 kΩ 1100 mAh LiFePO4 Battery Thermal Regulation |
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