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M62242FP Datasheet(PDF) 6 Page - Renesas Technology Corp |
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M62242FP Datasheet(HTML) 6 Page - Renesas Technology Corp |
6 / 9 page M62242FP REJ03F0241-0200 Rev.2.00 Sep 14, 2007 Page 6 of 8 Flow Chart (Noted Equivalent Circuit) START Battery Connection / Temperature Connecting No connecting (S1, S2) = (H, L) (S1, S2) = (L, H) Battery type TYPE B (S1, S2) = (L, L) (S1, S2) = (L, L) TYPE A Select resistance B (3.0 k Ω) SD = L (Precharge start) 5 minutes timer start 1 hour timer 1 hour timer 5 minutes timer 5 minutes timer VBAT > 2.5 V VBAT > 3.0 V Select resistance D (15 k Ω) SD = L (Quick charge start) 1 hour timer start Select resistance A (12 k Ω) SD = L (Quick charge start) 1 hour timer start Ichg* < 70 mA Ichg* < 50 mA SD = H (charge stop) Recharge Yes No L.T. 1 h over 1 h SD = H (charge stop) VBAT < 3.90 V VBAT < 3.95 V VBAT > 4.5 V or < 1.0 V, Ichg* > 1.2 A Temperature < −10°C or > 60°C Noted left is always NG SD = H (charge stop) DATA ⇐ TYPE outputs (Detection of battery type) DATA ⇐ TH outputs (Detection of battery connection) DATA ⇐ VDIF outputs (Offset revising) OUT "ON" charge start 208 mA charge constant current (Precharge) Select resistance B (3.0 k Ω) SD = L (Precharge start) 5 minutes timer start DATA ⇐ Output TH/VDIF-pin by turns. (Detection of battery temperature/charge current) VBAT ⇐ Output VSENSE-pin voltage (Detection of battery voltage) <Function of M62242FP> 654 mA constant current charge start (Quick charge) 763 mA constant current charge start VSENSE = 4.2 V 4.2 V constant current voltage start OUT = "H" Charge completion OUT = "H" Charge stop over 1 h over 5 m L.T. 30 m L.T. 30 m over 5 m Yes Yes No No L.T. 1 h Yes Yes No No Condition Charge NG Completion Other LED Red <Function of MCU (M34501)> on on/off off off LED Green off off off on Recharge Charge current VSENSE-pin voltage 4.2 V constant voltage charge 4.2 V 2.5 V or 3.0 V Time VSENSE-pin voltage 208 mA constant current charge (Precharge) 654 or 763 mA constant current charge (Quick charge) 208 mA 654 or 763 mA Charge current • DATA-pin outputs TYPE/TH/VDIF-pin voltage by turns. VBAT-pin always outputs VSENSE-pin voltage. • Resistance C (1.5 kΩ) is selected to charge at 109 mA constant current when battery voltage is −10°C to 0°C or 50°C to 60°C. • Charge stops after recognizing abnormal mode when VBAT > 4.5 V, VBAT < 1.0 V, VDIF > 3.6 V (Ichg* > 1.2 A), time up, battery temperature < −10°C or > 60°C. • Each detection is decided after coincidence of 3 reading every 0.1 s. Note Ichg*: Charge current |
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