DS1259 Maxim Integrated Products, DS1259 Datasheet
DS1259
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DS1259 Summary of contents
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... Supply CCI DESCRIPTION The DS1259 Battery Manager Chip is a low-cost battery management system for portable and nonvolatile electronic equipment. A battery connected to the battery input pin supplies power to CMOS electronic circuits when primary power is lost through an efficient switch via the V from the battery, the power-fail signal is active to warn electronic reset circuits of the power status. ...
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... CCO applied such that V is greater than V CCI battery The BAT output will also return to the level of the battery. Figure 3 shows the DS1259 in CCI a typical application. BLOCK DIAGRAM Figure 1 (Pins 15 and 16) is the primary energy source and power is supplied held high, indicating valid level of 1 ...
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... RESET TIMING Figure 2 TYPICAL APPLICATION Figure DS1259 ...
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... PF t REC MAX UNITS NOTES 4.5 to 5.5V) CC MAX UNITS NOTES +250 µ 250 BAT 2.0 2.6 V MAX UNITS NOTES 15 mA 100 nA 100 µ 25°C) A MAX UNITS 4.0 to 5.5V) CC MAX UNITS µs µs µs 100 µs DS1259 NOTES NOTES 9 ...
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... Trip point voltage for power-fail detect 1. ± 250 mV TP BAT For 5% operation 3.7V max. BAT For 10% operation 3.5V max. BAT the point that BF BATF 8. Battery leakage is the internal energy consumed by the DS1259 volts driven low. These limits are for operation DS1259 ...