LM3658SDX-A/NOPB National Semiconductor, LM3658SDX-A/NOPB Datasheet
LM3658SDX-A/NOPB
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LM3658SDX-A/NOPB Summary of contents
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... The LM3658 provides two open-drain outputs for LED status in- dication or connection to GPIOs. Typical Application © 2007 National Semiconductor Corporation Features ■ Integrated power FETs with thermal regulation ■ ...
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... IC will invoke LDO mode if this pin is left floating. See Operation Description section for more detail. 10 BATT Positive battery terminal connection. Ordering Information 5 Hour Selectable Order Number Timer LM3658SD X LM3658SDX X LM3658SD-A LM3658SDX-A LM3658SD-B X LM3658SDX-B X For more information on the various options, please refer to Operation Description section. www.national.com LLP10 Package Drawing Description No LDO LDO Mode Timer Mode ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. CHG_IN, USBpwr ( All other pins except GND Power Dissipation (Note 3) Junction Temperature (T J-MAX) Electrical Characteristics µ µF, C CHG_IN USBpwr BATT appearing in boldface type apply over T ...
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Symbol Parameter I CHG_IN Full Rate CHG Charge Current K Charge Current Set ISET Coefficient (see CHG ISET ISET full-rate charge mode description) V Charge Current Set ISET Voltage I USB Full-Rate Charge USB_L Low Current ...
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Symbol Parameter DETECTION AND TIMING T Power OK Deglitch V POK Time T Pre-Qualification Timer PREQUAL T Deglitch Time for Pre- PQ_FULL Qualification to Full- Rate Charge Transition T Deglitch Time for Full- FULL_PQ Rate to Pre- Qualification Transition T ...
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Block Diagram www.national.com 6 20128203 ...
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Li-Ion Charging Profile 7 20128204 www.national.com ...
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LM3658 Operation Description POWER-DOWN MODE The LM3658 will power down automatically when the voltage on the USBpwr or CHG_IN pin drops below the battery volt- age with an amount that is equal Power-Down mode shuts off ...
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TABLE 1. Status Pins Summary STAT1 STAT2 Condition OFF OFF Power-Down, charging is suspended or interrupted ON OFF Pre-qualification mode, CC and CV charging, Top-off mode OFF ON Charge is completed ON ON Bad battery (Safety timer expired), or LDO ...
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LDO MODE (AVAILABLE ONLY IN LM3658SD-B VERSION) The LM3658SD-B version enters LDO mode when the T is floating and AC wall adapter is still connected to CHG_IN pin. In LDO mode, STAT1 and STAT2 are both on. The LM3658SD-B becomes ...
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LM3658 FLOWCHARTS LM3658 Flowchart 11 20128207 www.national.com ...
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LM3658 USBpwr Mode Flowchart LM3658 CHG_IN Mode Flowchart 12 20128206 20128208 ...
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Physical Dimensions inches (millimeters) unless otherwise noted LLP10 Package Drawing NS Package Number SDA10A 13 www.national.com ...
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