Wide Input Voltage Synchronous USB Buck Regulators with Remote Load Regulation

• Automotive AEC-Q100 qualified
• Cable and wiring drop compensation
• Dynamic Voltage correction with controller
• Integrated high-side and low-side switching MOSFETs
• Programmable Load Side Current Limit
• Maximized duty cycle for low dropout operation
• Operating input voltage range: 4.0 V to 36 V
• UVLO STOP threshold is at 2.6 V_TYP
• Withstands surge voltages up to 40 V
• Continuous Loading: 2.6 A for A8653; 1.0 A for A8652
• Adjustable switching frequency (f_SW): 100 kHz to 2.2 MHz
• Synchronization to external clock: 100 kHz to 2.2 MHz
• Frequency dithering for lower EMI signature
• External adjustable compensation network
• Stable with ceramic output capacitors
• Pre-bias startup compatible
• Power OK (POK) output
• Dynamic over voltage protection, cycle-by-cycle current limit, hiccup mode short circuit, and thermal protections
• Open-circuit and adjacent pin short-circuit tolerant
• Short-to-ground tolerant at every pin
• USB3 Charging capability: A8653 – 2.6 A
• USB2 capability: A8652 – 1 A

Typical Applications

• Automotive USB Power Ports
• Rear Seat Entertainment
• Navigation Systems
• Motorcycle Clusters