Texas Instruments BQ27620, Руководство пользователя, Страница: 12 / 15

Calibrate Screen
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9 Calibrate Screen
To ensure proper calibration, perform the following steps. These steps may or may not be required,
depending on the type of calibration being performed. Only one calibration item can be selected and
calibrated at once.
Figure 9. Calibration Screen
9.1 To Calibrate the bq27620
1. Select the types of calibration to be performed (see Figure 9 ).
2. Enter the measured values for the types selected.
3. Press the button to calibrate.
9.2 Voltage Calibration
1. Measure the voltage across Pack+ and Pack – .
2. Type the voltage value in mV into Enter Actual Voltage.
3. Press the Calibrate Part as indicated below button.
9.3 Temperature Calibration
1. Measure the temperature for PACK.
2. Type the temperature value into Enter Actual Temperature.
3. Select if the temperature sensor to calibrate is the internal or external.
12 bq27620 EVM: Single-Cell Impedance Track Technology SLUU655 – October 2011
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