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ADP5062ACPZ-2-R7 数据表(PDF) 23 Page - Analog Devices |
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ADP5062ACPZ-2-R7 数据表(HTML) 23 Page - Analog Devices |
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23 / 44 page  Data Sheet ADP5062 Rev. B | Page 23 of 44 JEITA Li-Ion Battery Temperature Charging Specification The ADP5062 is compliant with the JEITA1 and JEITA2 Li-Ion battery charging temperature specifications as outlined in Table 14 and Table 16, respectively. JEITA function can be enabled via the I2C interface and, optionally, the JEITA1 or JEITA2 function can be selected in I2C. Alternatively, the JEITA1 or JEITA2 can be set as enabled to default by factory programming. When the ADP5062 identifies a hot or cold battery condition, the ADP5062 takes the following actions: • Stops charging the battery. • Connects or enables the battery isolation FET such that the ADP5062 continues in LDO mode. Table 14. JEITA1 Specifications Parameter Symbol Conditions Min Max Unit JEITA1 Cold Temperature Limits IJEITA_COLD No battery charging occurs. 0 °C JEITA1 Cool Temperature Limits IJEITA_COOL Battery charging occurs at approximately 50% of the programmed level. See Table 15 for specific charging current reduction levels. 0 10 °C JEITA1Typical Temperature Limits IJEITA_TYP Normal battery charging occurs at the default/programmed levels. 10 45 °C JEITA1 Warm Temperature Limits IJEITA_WARM Battery termination voltage (VTRM) is reduced by 100 mV from the programmed value. 45 60 °C JEITA1 Hot Temperature Limits IJEITA_HOT No battery charging occurs. 60 °C Table 15. JEITA1 Reduced Charge Current Levels, Battery Cool Temperature ICHG[4:0] (Default) ICHG JEITA1 ICHG[4:0] (Default) ICHG JEITA1 00000 = 50 mA 50 mA 01100 = 650 mA 300 mA 00001 = 100 mA 50 mA 01101 = 700 mA 350 mA 00010 = 150 mA 50 mA 01110 = 750 mA 350 mA 00011 = 200 mA 100 mA 01111 = 800 mA 400 mA 00100 = 250 mA 100 mA 10000 = 850 mA 400 mA 00101 = 300 mA 150 mA 10001 = 900 mA 450 mA 00110 = 350 mA 150 mA 10010 = 950 mA 450 mA 00111 = 400 mA 200 mA 10011 = 1000 mA 500 mA 01000 = 450 mA 200 mA 10100 = 1050 mA 500 mA 01001 = 500 mA 250 mA 10101 = 1100 mA 550 mA 01010 = 550 mA 250 mA 10110 = 1200 mA 600 mA 01011 = 600 mA 300 mA 10111 = 1300 mA 650 mA Table 16. JEITA2 Specifications Parameter Symbol Conditions Min Max Unit JEITA2 Cold Temperature Limits IJEITA_COLD No battery charging occurs. 0 °C JEITA2 Cool Temperature Limits IJEITA_COOL Battery termination voltage (VTRM) is reduced by 100 mV from the programmed value. 0 10 °C JEITA2 Typical Temperature Limits IJEITA_TYP Normal battery charging occurs at the default/programmed levels. 10 45 °C JEITA2 Warm Temperature Limits IJEITA_WARM Battery termination voltage (VTRM) is reduced by 100 mV from the programmed value. 45 60 °C JEITA2 Hot Temperature Limits IJEITA_HOT No battery charging occurs. 60 °C |
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