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Q: TPS65072 Charger Temp Monitoring by 1068546
Can you please recommend a configuration to disable the temp sense. i.e. what external resistor values to connect to TS pin such that the TS pin is approapriately biased when the BIT_SENSOR_TYPE bit is 1 or 0?
A: Re: TPS65072 Charger Temp Monitoring by 10449
We do not suggest charging a Li-Ion battery without temperature protection. If you wish to operate the charger in your system in test mode without a battery, refer to paragraph "Battery Charger", sub paragraph "Temperature Sensing" for more details. It states that if you have the CHGCONFIG1 resister set to work with a 10k NTC, you can connect a 10k resistor from the TS pin to ground. Use a 100k resistor to ground if the register is set to use a 100k NTC. There is not a single resistor setting that allows charging with both NTC settings. You can apply a voltage source to the TPS65072 TS pin to force the voltage to stay between 860mV and 1660mV which is the required voltage level to allow fast charging. These voltage levels on the TS pin are designed to be equivalient to a 45 deg C and 0 deg C battery voltage. Details on the electrical characteristics for the NTC settings are found in the "Battery-pack NTC Monitor" section of the parametic table on page 12.