The AAT3620, the industry’s first fully integrated single-cell lithium-ion battery charger, can supply up to 2–A charge-current in a 3 x 3-mm TDFN package. The dual-mode IC provides a switching charger during constant-current (CC) and constant-voltage (CV) modes. To minimize EMI and RFI emission, the device switches to linear mode during CV mode where power dissipation is at a minimum.
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