november 2011 ? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA880 / fsa881 ? rev. 1.0.3 FSA880 / fsa881 ? usb port 2:1 switch with accessory and charger detection FSA880 / fsa881 ? usb port 2:1 switch with accessory and charger detection features switch type 2:1 usb switch mechanism automatic switching with available interrupt accessory detection usb data cable chargers (cdp, dcp, travel adapter, car kit-cea-936-a) factory-mode cables usb fs and hs 2.0 compliant usb charging battery charging 1.1 compliant charger detect, dcd, ovt (28v) uart rxd and txd vbat 3.0 to 4.4v programmability i 2 c esd 15kv iec 61000-4-2 air gap operating temperature -40c to 85c package 16-lead umlp 1.8x2.6x0.55mm, 0.4mm pitch jig option FSA880 ? active low fsa881 ? active high ordering information FSA880umx fsa881umx description the fsa88x is a high-performance switch featuring automatic switching and accessory detection for a usb port. the fsa88x allows sharing of a common usb port to pass usb data, as well as fa ctory programmability. in addition, the fsa88x integrates accessor y detection of devices such as usb chargers and factory data cables. the fsa88x can be programmed for manual switching or automatic switching of data paths. vbus_in has 28v over-voltage tolerance. the difference between the FSA880 and the fsa881 is that FSA880 jig output is an open-drain, active-low output, while fsa881 jig is an active-high, cmos output. applications ? cellular phones, smart phones ? mp3 and pmp related resources ? for samples and questions, please contact: analog.switch@fairchildsemi.com . ? FSA880 / fsa881 demonstration board typical application figure 1. mobile phone example fsa9280a fsa88x usb charging usb data factory test ovt protection
? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA880 / fsa881 ? rev. 1.0.3 2 FSA880 / fsa881 ? usb port 2:1 switch with accessory and charger detection block diagram figure 2. block diagram pin configuration figure 3. pin assignment (through view) baseband processor hs usb intb i2c_scl i2c_sda dm_host1 dp_host1 i 2 c hs usb or uart interrupt float detect charger detect bc1.1 switch control and i 2 c slave detection 28v ovt 2:1 mux v bat adc id detect jig boot 100k w v ddio v ddio phone power usb port v bus_in dm_con dp_con gnd id_con FSA880 dm_host dp_host 1 5 6 7 8 9 10 11 2 3 12 16 15 14 13 4 id_con dp_con dm_con v bus_in gnd i2c_sda i2c_scl intb v bat boot jig v ddio dm_host dp_host dm_host1 dp_host1
? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA880 / fsa881 ? rev. 1.0.3 24 FSA880 / fsa881 ? usb port 2:1 switch with accessory and charger detection physical dimensions figure 24. 16-lead ultrathin molded leadless packa ge (umlp), 1.8mm x 2.6mm x 0.55mm, 0.4mm pitch package drawings are provided as a service to customers considering fairchild component s. drawings may change in any manner wit hout notice. please note the revision and/or date on the drawing and contact a fairchild semi conductor representative to verify or o btain the most recent revision. package specifications do not expand the terms of fairchild?s worldwide terms and conditions, specifically the warranty therein, which covers fairchild products. always visit fairchild semiconductor?s online packa ging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/ . part number operating temperature range top mark package FSA880umx -40 to +85c ku 16-lead, ultrathin molded leadless package (umlp), 1.8mm x 2.6mm x 0.55mm, 0.4mm pitch fsa881umx -40 to +85c kx 16-lead, ultrathin molded leadless package (umlp), 1.8mm x 2.6mm x 0.55mm, 0.4mm pitch recommended land pattern notes: a. package does not fully conform to jedec standard. b. dimensions are in millimeters. c. dimensions and tolerances per asme y14.5m, 1994. d. land pattern recommendation is based on fsc design only. e. drawing filename: mkt-umlp16arev4. f. terminal shape may vary according to package supplier, see terminal shape variants. scale : 2x lead option 1 scale : 2x lead option 2 pin#1 ident pin#1 ident package edge top view bottom view 0.10 c 0.08 c 2.60 1.80 0.10 c 2x 2x side view 0.10 c 0.05 0.00 0.10 c a b 0.05 c 0.55 max. 0.40 1 5 9 13 16 2.10 2.90 0.40 0.663 0.563 0.225 1 (15x) (16x) 0.152 0.40 0.60 0.10 0.30 0.50 0.10 terminal shape variants 0.15 0.25 15x pin 1 non-pin 1 0.15 0.25 15x 0.30 0.50 0.15 0.25 0.30 0.50 0.15 0.25 15x 15x supplier 1 supplier 2 pin 1 non-pin 1 a b c seating plane 0.45 0.35 0.55 0.45 0.25 0.15 r0.20
? 2010 fairchild semiconductor corporation www.fairchildsemi.com FSA880 / fsa881 ? rev. 1.0.3 25 FSA880 / fsa881 ? usb port 2:1 switch with accessory and charger detection
|
