SSA112

Overview

SSA112 is a high-efficiency full-bridge power stage with voltage/current demodulation designed for wireless charger transmitters. With a transmitter controller, it can provide flexible wireless charger solutions complaint with Qi v1.2.4 and Qi v1.3 Baseline Power Profile (BPP) and Extended Power Profile (EPP).

Features

• Full Bridge Input Voltage Range: 2V~14V
• LDO Input Voltage Range: 2.8V~20V
• Output power: 20W
• Integrated Four Low R_DS(ON) FETs: 12mΩ
• Integrated 5V/50mA LDO
• Integrated 3.3V/50mA LDO
• 3.3V and 5V PWM Signal Logic Compatible
• Integrated voltage and current demodulation
• Integrated input current sense for FOD
• Integrated Q factor detection for QFOD
• Under Voltage Lockout (UVLO)
• Input Over Voltage Protection (OVLO)
• Over Current Protection (OCP)
• Thermal Shutdown (OTP)
• RoHS Compliant and Halogen Free
• Compact Package: VQFN3x3.5-21

Application

• Wireless Charger Transmitter
• Motor Drivers

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