
Leadtrend Technology
General Description
The LD8108A is an AC/DC Speedy Charge™ controller for Qualcomm® Quick Charge™ 2.0 (QC2.0) USB interface receiver for High Voltage Dedicated Charging Port (HVDCP) charger solution.
The device can receive QC2.0 signal from D+ and Dof USB interface for HVDCP control. Paired with LD5718A series primary-side regulation (PSR) controllers, LD8108A will send the digital data by a single photocouplier to PSR controller and change output regulation.
FEATUREs
● Speedy ChargeTM technology
● Compatible with Qualcomm® Quick Charge™ 2.0
class-A portable devices charger solution
● Fast discharging from HVDCP voltage to 5V
● Active dummy load for PSR controller
● Secondary side over temperature detection
● Low operating current
● VCC max. rating up to 30V
APPLICATIONs
● Quick Charge™ 2.0 based HVDCP charger
● AC/DC Speedy Charger for Smart phone and Tablet