CAT6500

CAT6500 3.0 A Power Selector Switch Description CAT6500 is an automatic power switch designed to select between two power sources and direct that power to a load for battery charging or system power. CAT6500’s power inputs withstand voltages of up to 18 V and protect the downstream load from voltages exceeding 7 V. In the event of a polarity reversal at either input CAT6500’s internal power switches will shut off to prevent discharge of the system’s internal power source. Low resistance power switches handle currents in excess of 3 A and when OFF block current flow in both directions. CAT6500 can operate in reverse mode in which internal system power is be directed to either of the power input ports for powering an external device, such as a USB On−The−Go appliance. Features Autonomous Switching between 2 Power Sources Withstands +18 V to −5 V on Either Power Input 80 mW Switches (typ.) for Low Power Loss Reverse−Mode for Powering External Devices Over Voltage Protection of Downstream Load Compatible with USB−OTG Devices 32−Lead WQFN 4.4 mm x 4.4 mm Package This Device is Pb−Free, Halogen Free/BFR Free and is RoHS Compliant Typical Applications Mobile Phones PDAs Personal Navigation Devices PS1 PS2 VCC 0.1 mF C1 CAT6500 PWR_OUT SW1_STAT SW2_STAT RM_EN1 RM_EN2 PRIORITY Power Management IC or Battery Charge + Li−Ion − Figure 1. Typical Application Circuit www.onsemi.com 1 WQFN−32 HVA SUFFIX CASE 485BN MARKING DIAGRAM 6500 SSSS ALYW G 6500 SSSS ...