LM3658SD-BEV National Semiconductor, LM3658SD-BEV Datasheet
LM3658SD-BEV
Specifications of LM3658SD-BEV
Related parts for LM3658SD-BEV
LM3658SD-BEV 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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... Battery temperature sense pin. This pin must be connected to battery pack’s temperature sense output pin. S For the LM3658SD-B version, leaving this pin open indicates that the battery pack is not present. The charger IC will invoke LDO mode if this pin is left floating. See Operation Description section for more detail. ...
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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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... V 4. < V – V BATT CC OK_CHG BATT TERM V falling, transition from EOC to pre- BATT qualification mode TS pin voltage for entry into LDO mode. For LM3658SD-B only ≥ ≥ V 4.5V CHG_IN T = Floating 100mA BATT 4 Min Typ Max Units 245 220 270 500 ...
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... Deglitch Time for BATTEMP Battery Temperature Fault T Deglitch Time for EN_b DGL and USB_sel Pins T Deglitch Time for ITOPOFF I TOPOFF T Top-Off Charging LM3658SD, LM3658SD-B and LM3658SD-A TOPOFF Timer with USB_sel=high LM3658SD-A with USB_sel=low I/O V Low-Level Input EN_b IL Voltage USB_sel V High-Level Input EN_b ...
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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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... The LM3658SD-A version has selectable timers for Based on the logic level applied to the USB_sel pin, TOPOFF ...
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... HOUR/ 10 HOUR SELECTABLE TIMER (AVAILABLE ONLY IN LM3658SD-A VERSION) The LM3658SD-A allows the user to select between 5 hour or 10 hour timer based on the polarity of the USB_sel pin, in both CHG_IN mode and USBpwr mode. By pulling the USB_sel pin high, the timer is set to 5 hours. In the USBpwr mode, the polarity of the USB_sel pin determines the charge current as well as the timer ...
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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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