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Part Number: BQ24725A
When bq24725A is in constant voltage mode, I configured 1.5 A, actually only be around 200mA, but at this time, when I reconfigure the charging current to 1A, the charging current will increase to around 400mA, is it normal?
Waiting for your reply
I tested this on a BQ24725A EVM and did not see the behavior that you're describing.
I set VBUS = 20 V, ICHG = 1.536 A, and VREG = 8.4 V. I increased VBAT in CV mode until IBAT tapered down to 200 mA. At this point, I changed the ICHG register setting to 1.024 A, but IBAT stayed constant at 200 mA.
Can you try again using the test procedure I described above? Also, do you have an EVM available that you can test this on?
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In reply to Angelo Zhang87:
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