USB3751A-2-A4-TR Microchip

USB375x USB 2.0 Protection IC with Battery Charger Detection Dead Battery Provision Support (USB375x-1 Features only) VBUS Over-Voltage Protection - Allows 100 mA trickle charging from VBUS - Protects internal circuits from VBUS up to 9V when attached to a Standard Downstream - Over-Voltage/Under-Voltage Lockout opens Port (SDP) while not enumerated VBUS switch - Built-in 100mA current limiting option - Interrupt to indicate Over-Voltage/Under-Volt- Microchip RapidCharge Anywhere Provides: age Lockout - 3-times the charging current through a USB FET - Integrated Low R DSON port over traditional solutions USB Port ESD Protection (DP/DM/VBUS) - USB-IF Battery Charging 1.2 compliance to - 15kV (air discharge) any portable device - 15kV (contact discharge) - Charging current up to 1.5Amps via compati- - IEC 61000-4-2 level 4 ESD protection without ble USB host or dedicated charger external devices - Dedicated Charging Port (DCP), Charging High Speed USB Mux for multiplexing the USB (CDP) & Standard (SDP) Downstream Port lanes between different functions (USB3750 only) support - Switch the USB connector between two dif- flexPWR Technology ferent functions - Extremely low current design ideal for battery - High bandwidth USB switch passes HS USB powered applications signals - Maximizes power delivered to the system Provides USB Battery Charger Detection for: Industrial Operating Temperature -40C to +85C - USB-IF Battery Charging compliant Dedi- 16-Pin QFN RoHS compliant package (3.0 mm x cated Charging Ports (DCP) 3.0 mm x 0.9 mm height - USB-IF Battery Charging compliant Charging Downstream Port (CDP) - Standard Downstream Port (SDP) i.e. USB host or downstream hub port - Dedicated SE1 type chargers USB375x Block Diagram HS Switch is USB3750 feature only VBUS USB 2.0 PHY, DP 2 DPDP Processor, or Accessory DM 2 DMDM DP HS USB DM Switch DP 1 DP USB 2.0 PHY, DM 1 DM Processor, or Accessory VBUS VBUS Over-Voltage/Under-Voltage Protection and Current Limiting Battery VOUT VBUS Charger/ PMU GND SCL 2 Charger I C SDA Processor Detection Interface INT B 2011 - 2014 Microchip Technology Inc. DS00001824A-page 1 USB Connector ESD ProtectionUSB375x TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: