silego technology, inc. rev 1.0 000-000555650-10 revised june 4, 2012 usb host charger identification analog switches SLG55550 SLG55550a blck diagram general description the SLG55550/SLG55550a is a usb device that combines high speed usb switches with a usb host charger (dedicated charger) identification circuit. t he device supports both the latest usb battery charging specification revision 1.1 includ- ing data contact detection and a set resistor bias for apple compliant devices as well as legacy usb d+/d- short detec- tion using data line pull-up. features ? high speed usb switching ? low 4.0pf (typ) on capacitance ? low 4.0 (typ) on resistance ? low 0.5 (typ) on resistance flatness ? 2.8v to 5.5v supply range ? low 8 a (typ) supply current ? automatic usb charger identification circuit ? usb battery charging specificatlon 1.2 compliant ? pb-free / rohs compliant ? halogen-free ? 3 x 3 mm tdfn-10 package pin configuration thermal pad connected to gnd rdm gnd vdd tdm tdp dm tdfn-10 dp cb0 2 3 4 6 7 8 9 SLG55550 1 10 5 cb1 rdp (top view) fsm logic + - v ref1 + - v ref1 v dd tdp tdm cb0 dm dp + - v ref2 cb1 rdp rdm resistor divider resistor divider
000-000555650-10 page 2 of 10 SLG55550 SLG55550a pin description pin # name type description 1 cb0 input switch control bit see digital input states table on page 6 2 dp input/output usb connector d+ 3 dm input/output usb connector d- 4 gnd gnd ground 5 rdp input external resistor bias input for d+ and selection for external resistors in rdp and rdm 6 rdm input external resistor bias input for d- 7 vdd pwr power supply. connect a 0.1 f capacitor between vdd and gnd as close as possible to the device 8 tdm input/output host usb transceiver d- connection 9 tdp input/output host usb transceiver d+ connection 10 cb1 input switch control bit see digital input states table on page 6 11 thermal pad gnd ground ordering information part number type SLG55550v tdfn-10 SLG55550av tdfn-10 SLG55550vtr tdfn-10 - tape and reel SLG55550avtr tdfn-10 - tape and reel
000-000555650-10 page 3 of 10 SLG55550 SLG55550a absolute maximum conditions parameter min. max. unit supply voltage -0.3 6.0 v continuous current into any terminal -30 +30 ma continuous power dissipation -- 1951 mw operating temperature range -40 85 c junction temperature 150 c storage temperature range -65 150 c lead temperature (soldering, 10s) 260 c electrical characteristics - power supply v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit v dd power supply range v cb > v ih 2.8 -- 5.5 v i dd supply current v dd = 3.3 v cb0 = v cb1 = v dd -- 1 -- a v cb0 = 0v, v cb1 = v dd -- 7 -- a external resistors used. v cb0 = v cb1 = 0v or v cb0 = v dd & v cb1 = 0v -- 7 -- a internal resistors used. v cb0 = v cb1 = 0v or v cb0 = v dd & v cb1 = 0v -- 75 -- a supply current v dd = 5.5 v cb0 = v cb1 = v dd -- 2 -- a v cb0 = 0v, v cb1 = v dd -- 9 -- a external resistors used. v cb0 = v cb1 = 0v or v cb0 = v dd & v cb1 = 0v -- 9 -- a internal resistors used. v cb0 = v cb1 = 0v or v cb0 = v dd & v cb1 = 0v -- 120 -- a i dd supply current increase 0 v cb v il or v ih v cb v dd -- -- 2 a electrical characteristics - analog switch v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit v dp , v dm analog signal range 0 -- v dd v r on on resistance tdp/tdm switch v dd = -0.4v to 0.4v, i = 10ma -- 4 -- v dp = v dm = 0v to v dd v dd = 5v -- -- 10 r on on resistance match be - tween channels tdp/tdm switch v dd = 5.0v v dp = v dm = 400mv i dp = i dm = 10ma -- 0.1 -- r flat on resistance flatness tdp/tdm switch v dd = 5.0v v dp = v dm = 0v to v dd i dp = i dm = 10ma -- 0.5 --
000-000555650-10 page 4 of 10 SLG55550 SLG55550a r short on resistance of tdp/tdm short v cb = 0v v dp = 1v i dp = i dm = 10ma -- 50 70 i tdpoff , i tdmoff off-leakage current v dd = 3.6v v dp = v dm = 0.3v to 3.3v v tdp = v tdm = 3.3v to 0.3v v cb = 0v -250 -- 250 na i dpon , i dmon off-leakage current v dd = 3.6v v dp = v dm = 3.3v to 0.3v v cb = v dd -250 -- 250 na electrical characteristics - dynamic performance v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit t on turn on time v tdp or v tdm = 1.5v r l = 300 c l = 35pf --? 20 100 s t off turn off time v tdp or v tdm = 1.5v r l = 300 c l = 35pf --? 1 5 s t plh , t phl tdp/tdm switch propaga - tion delay r l = r s = 50 -- 60 -- ps t skew output skew skew between dp and dm when connected to tdp and tdm r l = r s = 50 -- 40 -- ps c off tdp/tdm off-capacitance f = 1mhz --? 2.0 -- pf c on dp/dm on-capacitance f = 240mhz --? 4.0 5.5 pf bw -3db bandwidth r l = r s = 50 -- 1000 -- mhz v iso off-isolation v tdp, v dp = 0dbm r l = r s =5 0 f = 250mhz -- -20 -- db v ct crosstalk v tdp, v dp = 0dbm r l = r s = 50 f = 250mhz -- -25 -- db electrical characteristics - internal resistors v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit r pd dp/dm short pull-down 350 500 700 k rt rp rp1/rp2 ratio 1.485 1.5 1.515 ratio r rp rp1 + rp2 resistance 93.75 125.0 156.25 k rt rm rm1/rm2 ratio 0.8544 0.863 0.872 ratio r rm rm1 + rm2 resistance 69.75 93.0 115.18 k electrical characteristics - analog switch v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit
000-000555650-10 page 5 of 10 SLG55550 SLG55550a electrical characteristics - logic input v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit v ih cb input logic high 1.4 -- -- v v il cb input logic low -- -- 0.4 v i in cb input leakage current v dd = 5.5v 0 v cb v il or v ih v cb v dd -1 -- 1 a electrical characteristics - esd protection v dd = 2.8v to 5.5v, t a = 25 c (unless specified otherwise) symbol parameter condition/note min. typ. max. unit v esd esd protection level (dp and dm only) human body model -- 8 -- kv v esd esd protection level (all other pins) human body model -- 2 -- kv
000-000555650-10 page 6 of 10 SLG55550 SLG55550a digital input states - SLG55550 v dd rdp <0.4v = internal resistor >0.4v = external resistor cb0 cb1 dp/dm position internal or external resis - tor connected to dp/dm comment 3.3v rdp < 0.4v x x -- -- not recommended rdp> 0.4v 0 0 autodetection circuit active external resistor auto mode 0 1 shorted not connected auto mode disabled 1 0 connected to resistor- divider external resistor auto mode disabled 1 1 connected to tdp/tdm not connected usb traffic active 5.0v rdp< 0.4v 0 0 autodetection circuit active internal resistor auto mode 0 1 shorted not connected auto mode disabled 1 0 connected to resistor- divider internal resistor auto mode disabled 1 1 connected to tdp/tdm not connected usb traffic active rdp> 0.4v 0 0 autodetection circuit active external resistor auto mode 0 1 shorted not connected auto mode disabled 1 0 connected to resistor- divider external resistor auto mode disabled 1 1 connected to tdp/tdm not connected usb traffic active digital input states - SLG55550a v dd rdp cb0 cb1 dp/dm position internal or external resis - tor connected to dp/dm comment 5.0v x 0 0 autodetection circuit active internal resistor auto mode x 0 1 shorted not connected auto mode disabled x 1 0 connected to resistor- divider external resistor auto mode disabled x 1 1 connected to tdp/tdm not connected usb traffic active
000-000555650-10 page 7 of 10 SLG55550 SLG55550a package top marking system definition part code datecode lot revision ? part id field: identifies the specific device configuration ? date code field: coded date of manufacture ? lot code: designates lot # ? assembly site/coo: specifies assembly site/country of origin ? revision code: device revision xxxxx dd lll c rr coo
000-000555650-10 page 8 of 10 SLG55550 SLG55550a package drawing and dimensions 10 lead tdfn package 1 0 symbol a a1 a2 b c d e d1 e1 e l s symbol min nom. max unit: mm min nom. max 0.70 0.75 0.80 2.95 3.00 3.05 0.005 - 0.060 2.95 3.00 3.05 0.15 0.20 0.25 2.20 2.30 2.40 1.40 1.50 1.60 0.20 0.25 0.30 0.50 bsc 0.30 0.35 0.40 0.35 ref 0.25 a2 a1 6 1 5 1 0 6 1 5 e d e1 d1 b e l s a pin1 dot area --
000-000555650-10 page 9 of 10 SLG55550 SLG55550a tape and reel specifications carrier tape drawing and dimensions recommended reflow soldering profile please see ipc/jedec j-std-020: latest revision for reflow profile based on package volume of 6.75 mm 3 (nominal). more information can be found at www.jedec.org. package type # of pins nominal package size [mm] max units reel & hub size [mm] leader (min) trailer (min) tape width [mm] part pitch [mm] per reel per box pockets length [mm] pockets length [mm] tdfn 10l green 10 3 x 3 x 0.75 3,000 3,000 178 / 60 100 400 100 400 8 4 package type pocket btm length pocket btm width pocket depth index hole pitch pocket pitch index hole diameter index hole to tape edge index hole to pocket center tape width a0 b0 k0 p0 p1 d0 e f w tdfn 10l green 3.25 3.25 1.1 4 4 1.55 1.75 3.5 8 p1 w e p0 a0 d0 y y b0 k0 section y-y c l f refer to eia-481 specification
000-000555650-10 page 10 of 10 SLG55550 SLG55550a silego website & support silego technology website silego technology provides online support via our website at http://www.silego.com/ .this website is used as a means to make files and information easily available to customers. for more information regarding silego green products, please visit: http://greenpak.silego.com/ http://greenfet.silego.com/ http://greenpak2.silego.com/ http://greenfet2.silego.com/ http://greenclk.silego.com/ products are also available for purchase directly from silego at the silego online store at http://store.silego.com/ . silego technical support datasheets and errata, application notes and example designs, user guides, and hardware support documents and the latest software releases are available at the sil ego website or can be r equested directly at info@silego.com . for specific greenpak design or applications ques tions and support please send email requests to greenpak@silego.com users of silego products can receive assistance through several channels: online live support silego technology has live video technical assistance and sales support available at http://www.silego.com/ . please ask our live web receptionist to schedule a 1 on 1 traini ng session with one of our application engineers. contact your local sales representative customers can contact their local sales re presentative or field application engineer (fae) for support. local sales offices are also available to help customers. more information regarding your lo cal representative is available at the silego website or send a request to info@silego.com contact silego directly silego can be contacted directly via e-mail at info@silego.com or user submission form, located at the following url: http://support.silego.com/ other information the latest silego technology press releases, listing of seminars and events, listings of world wide silego technology offices a nd representatives are all available at http://www.silego.com/ this product has been designed and qualif ied for the consumer market. applications or uses as critical components in life support devices or systems are not authorized. silego technolo gy does not assume any liabili ty arising out of such appli - cations or uses of its products. silego technology reserves th e right to improve product design, functions and reliability without notice .
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