SC121 SILAN [Silan Microelectronics Joint-stock], SC121 Datasheet
SC121
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SC121 Summary of contents
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... LI+ BATTERY PROTECTION CIRCUIT DESCRIPTION SC121 is a LI+ battery protection circuit suitable for protecting LI+ battery against damage from over charge, over discharge, and over current. It contains high accurate voltage detection and delay circuits. FEATURES * Low supply current * Over-charge detect 4.28V, Over-charge release 4.10V. ...
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... -0 - CSI OPR T -40 ~ +125 STG (Tamb=25 C, unless otherwise specified) Symbol Status =3. =2. OCU V OCR V ODL V ODR SC121 Unit + + Min. Typ. Max. Unit 1.8 8.0 V 3.0 6.0 A 0.3 0.6 A 4.24 4.28 4.32 V 4.05 4.10 4.15 V 2.40 2.50 2.60 V 2.80 2 ...
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... Description FET gate connection pin for discharge control. Input pin for current sense, charger detect. FET gate connection pin for charge control. Test pin for reduce delay time. Positive power input pin. Negative power input pin. SC121 Min. Typ. Max. Unit 0.13 0.15 ...
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... TOC, CSI for over a certain delay time T IO2 < turned on and back to normal status. CSI OI1 SC121 . When the battery and V >V occurs turned CSI OI1 . When the battery is DD I>V , the protection IC enters into ...
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... TIMING DIAGRAM Overcharge Status Self Discharging Charger load V OCU V OCR V ODR V ODL V CSI Overcharge Status Load Discharging Normal Status HANGZHOU MICROELECTRONICS CO.,LTD Http:// www.silan.com.cn Normal Status Self discharging TOC SC121 REV:1.6 2009.07.20 Page ...
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... Overcharge Status Charging By Charger Normal Status Overcharge Status Abnormal Status Normal Status Charger load V OCU V OCR V ODR V ODL V DD CSI OI2 HANGZHOU MICROELECTRONICS CO.,LTD Http:// www.silan.com.cn TOC TOD SC121 REV:1.6 2009.07.20 Page ...
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... Over Current Status Normal Status STATE DIAGRAM OF OPERATION HANGZHOU MICROELECTRONICS CO.,LTD Http:// www.silan.com.cn SC121 REV:1.6 2009.07.20 Page ...
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... TYPICAL APPLICATION CIRCUITS Note: The circuit and parameters are reference only, please set the parameters of the real application circuit based on the real test. HANGZHOU MICROELECTRONICS CO.,LTD Http:// www.silan.com.cn SC121 REV:1.6 2009.07.20 Page ...
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... Silan products could cause loss of body injury or damage to property. Silan will supply the best possible product for customers! HANGZHOU MICROELECTRONICS CO.,LTD Http:// www.silan.com.cn SC121 UNIT: mm REV:1.6 2009.07.20 Page ...