您好,
关于BQ34Z100-G1的TS引脚的外部温度测量有以下问题,想请教一下:
1.规格书7.3.9中描述如下:
When an external thermistor is used, REG25 (pin 7) is used to bias the thermistor and TS (pin 11) is used to
measure the thermistor voltage (a pull-down circuit is implemented inside the device).
请问下拉电路的具体参数是怎样的呢?有关于TS引脚的AD模拟量输入电路内部的详解么?
2.从规格书上可以看到,内部和外部温度测量的AD为16位,测量范围为0-6553.5ºK
This read-only command pair returns an unsigned integer value of the temperature, in units of 0.1ºK, measured
by the gas gauge and has a range of 0 to 6553.5ºK
3. 在6.7中描述Internal Temperature Sensor Characteristics,GTEMP Temperature sensor voltage gain为-2mV/°C
这个只是指内部温度传感器是么?
4.在6.11中描述ADC输入的电压值范围为0.005-1V,但是我在Bqstudio上读到30℃时,测量TS引脚的电压值为2.527V,与上拉电压2.531V差别极小,这个是怎么回事呢?我的测量结果是正确的么?
期待您的回复,祝您工作愉快~