LM3658SD/NOPB National Semiconductor, LM3658SD/NOPB Datasheet
LM3658SD/NOPB
Specifications of LM3658SD/NOPB
LM3658SDNOPB
LM3658SDNOPBTR
LM3658SDNOPBTR
LM3658SDTR
Available stocks
Related parts for LM3658SD/NOPB
LM3658SD/NOPB Summary of contents
Page 1
... 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 ■ ...
Page 2
Connection Diagram and Package Mark Information Note: The actual physical placement of the package marking will vary from part to part. The package marking “X” is the manufacturing plant code. “YY” digit date code, and "ZZ" for ...
Page 3
... 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 ...
Page 4
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 ...
Page 5
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 ...
Page 6
Block Diagram www.national.com 6 20128203 ...
Page 7
Li-Ion Charging Profile 7 20128204 www.national.com ...
Page 8
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 ...
Page 9
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 ...
Page 10
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 ...
Page 11
LM3658 FLOWCHARTS LM3658 Flowchart 11 20128207 www.national.com ...
Page 12
LM3658 USBpwr Mode Flowchart LM3658 CHG_IN Mode Flowchart 12 20128206 20128208 ...
Page 13
Physical Dimensions inches (millimeters) unless otherwise noted LLP10 Package Drawing NS Package Number SDA10A 13 www.national.com ...
Page 14
... National Semiconductor and the National Semiconductor logo are registered trademarks of National Semiconductor Corporation. All other brand or product names may be trademarks or registered trademarks of their respective holders. ...