Parts used in diagram blocks:

Input Bridge Rectification
Voltage Regulation (Switching)
Offline Controllers
Offline Regulators
Controllers
Converters
Output Rectification/Sync Rect
Secondary Side Controllers
MOSFETs
Schottky Diodes & Schottky Rectifiers
Overvoltage Protection
ESD Protection Diodes
MOSFETs
Voltage Protection
CCCV Charge Control
General Purpose and Low VCE(sat) Transistors
MOSFETs
Battery
MOSFETs
Battery Protection
General Purpose and Low VCE(sat) Transistors
Current Sense Amplifiers
Comparators
MOSFETs
Battery Protection
Battery Fuel Gauges
Schottky Diodes & Schottky Rectifiers

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