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MM3324 Datasheet(PDF) 11 Page - Mitsumi Electronics, Corp. |
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MM3324 Datasheet(HTML) 11 Page - Mitsumi Electronics, Corp. |
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11 / 12 page  • Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification. • The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications. MITSUMI Lithium-Ion Secondary Battery Charge Control IC for AC Charger MM3324 LED display Charge stop LED display: Red blinking 2.34s cycle Charge flow START First time voltage detection delay 146ms Battery temperature check 0~40ºC No Input power supply (2.45 VDD) Always judgment START Adapter OK ? 2.45V VDD 5.70V Yes No Yes Charge restart Charge flow start again Battery OK ? No Yes Overvoltage OK ? 2.0V VBAT 4.35V No Yes No LED lit up Battery voltage check 4.20V VBAT 4.35V Yes First time charge Fast charge current x1/10mA 149.5s No Battery voltage check 2.0V VBAT 4.20V No Yes No Battery voltage check VBAT 2.9V Battery voltage check 2.9V VBAT Pre-charge mode 20min Timer START 20min Timer TIME OUT No No Yes Yes Yes Yes Fast charge CCmode 5h Timer START 5h Timer TIME OUT Yes Yes No No Battery voltage check CV VBAT Fast charge CVmode 5h Timer TIME OUT Yes No No Yes Full charge check VPROG 0.2V FINISH charging Battery voltage check VBAT 3.9V Yes No Re-charge No LED lit up Red lit up Charge stop LED display : NO LED lit up Charge stop LED display : Red blinking 2.34s cycle Judged NoBattery Timer clear Yes No No Battery temperature OK ? T -30ºC or 80ºC T Battery temperature OK ? 0~60ºC In 4.20V VBAT, it changes to the next flow. As a result of the always judgment , LED is controlled by "Always judgment flow" at " Charge stop " or "Abnormal charge prohibition ". It follows the LED control of the charge flow excluding this . When the value is normal , charging is restarted . The return permission temperature from the state of the charge stop becomes 5~55ºC. 2.0V−Check is invalid before First time charge. 0~10ºC 10~45ºC 45~60ºC CC=IFSTCHG1 CV=4.200V CC=IFSTCHG2 CV=4.200V CC=IFSTCHG2 CV=4.050V *All typ. numeric value Backflow detection when being charging battery Abnormal charge prohibition * When charging is prohibited, disconnect the power supply or remove the battery to start again . LED display : Red blinking 1.17s cycle Charge Current at CC -mode Charge Voltage at CV-mode 0ºC 10ºC 45ºC 60ºC CC=IFSTCHG2 CC=IFSTCHG1 CV=4.050V CV=4.200V Flow Chart |
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