Floating TS pin or pulling High puts part in TTDM “Charger” Mode which disables TS monitoring, all timers and charge termination. Pull the pin Low disable the IC. If NTC sensing is not needed, connect this pin through a 10kΩ resistor to VSS. A 250kΩ from TS to ground in parallel with the thermistor will prevent IC from entering TTDM mode when battery with thermistor is removed.
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