Using the HT45FH3T in the Active 3D Glasses
4
Hardware Block Diagram Functional Description
•
Main control IC : HT45FH3T-1 -- system clock : 8MHz
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Main USB charging port
This port can be connected to a computer USB interface or an external power adapter
for lithium battery charging.
•
Charging IC
Use 100mA constant current for lithium battery charging, during which the yellow LED
lights up.
•
Inductor
Used to boost the battery voltage to the LCD lenses switch voltage.
•
N-MOS
Used for inductor booster control.
•
Lithium battery
A lithium battery with a capacity of 100mAh.
•
Battery control circuit
Used for the third stage power saving mode: self-power off.
•
Button
For user manual power on/off.
•
LED indicator
Used for low voltage indicating.
•
Resistance divider
Used for booster feedback control.
•
IR receiver
Receives the IR signals and converts them into digital signals.
•
LCD lenses
Works along with the IR signal for left and right lens on/off control.
Hardware Circuit and Description
Main Board Circuit
Summary of Contents for AN0315E
Page 9: ...Using the HT45FH3T in the Active 3D Glasses 9 PCB Layout Main Board Front Back...
Page 10: ...Using the HT45FH3T in the Active 3D Glasses 10 Receiver Board...
Page 12: ...Using the HT45FH3T in the Active 3D Glasses 12 Software Flowchart Main Architecture Flowchart...
Page 13: ...Using the HT45FH3T in the Active 3D Glasses 13 LCD Lenses Flowchart...
