Analog Devices ADP5360, Руководство пользователя

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ADP5360CB-EVALZ User Guide UG-1571
Rev. 0 | Page 13 of 18
BATTERY PROTECTION FUNCTION EVALUATION
All battery protection voltage and current threshold settings,
hysteresis setting, and deglitch time is set up in the
Battery
Protection Setting section, under the Charge Control tab,
shown in Figure 18.
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Figure 18. GUI Charge Parameter Control Settings
Ensure the EN_BATPRO bit, corresponding indicator located
in the
Charge Control tab (see Figure 11), is set to high and
that the battery protection feature is enabled and lit up.
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03-
019
Figure 19. GUI Charger_Status1 Settings
For UV protection, set the ISOB voltage lower than the default
2.5 V
UV_DISCH, battery UV threshold value (see Figure 18).
Next, check that the
BAT_UV_STATUS
(see Figure 19) status
bit is set to high, the VSYS node voltage is shut down, and that
the battery is isolated from the VSYS side.
For overvoltage (OV) protection, set the battery simulator voltage
higher than the default 4.3 V
OV_CHG, charge OV threshold (see
Figure 18) value. Then check that the
BAT_OV_STATUS
(see
Figure 19) status bit set to high and that the VSYS node is
isolated from the ISOB node.
To enable the overdischarge current protection, set the VSYS
load current (see Figure 17) at the system output to the default
OC_DISCH, battery OC threshold value (see Figure 18). Next,
check that the battery ISOB node is isolated from the VSYS
side, and that the BAT_OC fault bit (see Figure 20) is set high
(
BAT_OC lit up).
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02
0
Figure 20. GUI Fault Status Settings
To enable overcharge current protection, set the charge current
higher than the default
OC_CHG, charge OC threshold value
(see Figure 18). Next, check that the charger has shut down and
that the BAT_CHGOC fault bit (see Figure 20) is set high.
BUCK REGULATOR EVALUATION
Check that the EN1 jumper is set high on the evaluation board.
Next, set the EN_BUCK bit high by clicking
EN_BUCK
in the
GUI (see Figure 21).
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021
Figure 21. GUI Buck Setting in BUCK & BCKBST Control Tab
In the
Buck Setting
section shown in Figure 21, keep the
BUCK_MODE bit low (default) to select buck operation as
hysteresis mode for low quiescent current. If the
BUCK_MODE bit is set high, the buck regulator operates in
force PWM (pulse-width modulation) mode for low noise
using a lower noise power requirement.
The default buck regulator output voltage is 1.2 V. Program the
VOUT_BUCK bits (see Figure 21) to set the other output voltages
in the
VOUT_BUCK dropdown list.