1 of 4 1.0 features supports qualcomm? quick charge 2.0 (qc2.0) high voltage dedicated charging port (hvdcp) class a with voltage confguration of 5v, 9v, and 12v backward compatible with usb battery charging specifcation revision 1.2 (usb bc1.2) dedicated charging port (dcp) programmable active fast discharge from 9v/12v to 5v at usb cable unplug or from a high voltage level to a lower level upon request with built-in switch or external switch normally off state with <120 m a cut-off current during 5v steady-state operation to achieve <30mw power consumption at no load wide operating voltage range from 3v to 25v built-in opto-coupler led driver with minimum driving current of 2ma 6-lead sot-23 package 2.0 description the IW620 is a qualcomm? qc2.0 compatible usb adaptive voltage position controller for use in hvdcp ac/dc chargers/adapters. the device allows fast charging of qc2.0-enabled portable devices (pds). the IW620 resides on the secondary side of an ac/dc power supply and allows the adapter to be confgured for 5v, 9v, or 12v output depending on the voltage requested by the pd. it can be used in dialogs primary-side controlled ac/dc systems to achieve fast voltage transition, low no-load power consumption and fast dynamic load response. the IW620 eliminates shunt regulator and loop compensation components at the secondary side and it has a built-in opto-coupler led driver to minimize the bill of material cost. dialogs innovative proprietary technology ensures that power supplies designed with the IW620 and dialogs primary-side controller can achieve 5v/9v/12v output voltage confguration, low no-load power consumption with 5v output, and fast dynamic load response in typical quick charge ac/ dc charger/adapter designs. 3.0 applications fast-charging ac/dc chargers/adapters for smart phones, tablets, and other portable devices u2 IW620 v out rtn + + + v sense sd v cc gnd 1 2 3 8 7 6 4 5 ntc l n output i sense cfg asu r cdc 3 1 drv gnd 2 4 6 5 dis v cc d- d+ d+ d- in1+ in1 in2+ in2 out1 out2 comparator u1 iw1760 configures 9v or 12v output figure 3.1: IW620 typical application circuit for 3-level output voltage (using iw1760 as primary-side controller. achieving low no-load power consumption) IW620 product summary quick charge 2.0 usb adaptive voltage position controller rev. 0.8 preliminary IW620 ? 2014 dialog semiconductor (uk) ltd. product summary
2 of 4 4.0 pinout description pin # name type pin description 1 dis analog output discharging circuit and external fet drive. used for fast discharging of output capacitor. also can be used for driving external fet. 2 drv analog output external circuit drive. can be used for opto-coupler led drive with automatic current limiting. 3 v cc power supply ic power supply. 4 d- analog input usb d- signal. 5 gnd ground ground. 6 d+ analog input usb d+ signal. IW620 dis drv v cc d+ gnd d- 1 2 3 6 4 5 figure 4.1: 6 lead sot-23 package parameter symbol value units dis (pin 1) voltage v dis 30 v drv (pin 2) voltage v drv 30 v vcc (pin 3) voltage v cc 30 v d- (pin 4) voltage v d- -0.3 to 7 v d+ (pin 6) voltage v d+ -0.3 to 7 v continuous dc current at drv pin (v drv = 11v) i drv 25 ma continuous dc supply current at v cc pin (v cc = 12v) i vcc 25 ma peak current at dis pin (v dis = 12v) i dis 600 ma maximum junction temperature t jmax 150 c esd rating per jedec jesd22-a114 (d+ and d- pins) 4,000 v esd rating per jedec jesd22-a114 (all other pins) 2,000 v absolute maximum ratings are the parameter values or ranges which can cause permanent damage if exceeded. 5.0 absolute maximum ratings IW620 product summary quick charge 2.0 usb adaptive voltage position controller rev. 0.8 preliminary IW620 ? 2014 dialog semiconductor (uk) ltd. product summary
3 of 4 6.0 physical dimensions 7.0 ordering information 1 3 4 6 5 2 6-lead sot package d compliant to jedec standard mo-178ab controlling dimensions are in millimeters this package is rohs compliant and halide free. soldering temperature resistance: [a] package is ipc/jedec std 020d moisture sensitivity level 1 [b] package exceeds jedec std no. 22-a111 for solder immersion resistance; packages can withstand 10 s immersion < 260oc dimension d does not include mold flash, protrusions or gate burrs. mold flash, protrusions or gate burrs shall not exceed 0.25 mm per side. the package top may be smaller than the package bottom. dimensions d and e1 are are determined at the outermost extremes of the plastic body exclusive of mold flash, tie bar burrs and interlead flash, but including any mismatch between top and bottom of the plastic body. seating plane a1 coplanarity 0.10 e1 b e e1 a a2 c l symbol millimeters a1 min max 0.00 0.15 a - 1.45 b 0.30 0.50 c 0.08 0.22 d 2.80 3.00 e e1 e 0.95 bsc e1 1.90 bsc 2.80 bsc 1.60 bsc l 0.30 0.60 0 8 a2 0.90 1.30 e 2.90 bsc part number options package description IW620-00 5v/9v/12v confguration, internal 3k? dynamic preload turned on at 5v sot-23 tape & reel IW620-01 5v/9v/12v confguration, no internal dynamic preload resistor sot-23 tape & reel IW620-04 5v/9v confguration, internal 3k? dynamic preload turned on at 5v sot-23 tape & reel IW620-05 5v/9v confguration, no internal dynamic preload resistor sot-23 tape & reel note 1: tape & reel packing quantity is 3,000/reel. minimum ordering quantity is 3,000. IW620 product summary quick charge 2.0 usb adaptive voltage position controller rev. 0.8 preliminary IW620 ? 2014 dialog semiconductor (uk) ltd. product summary
disclaimer information in this document is believed to be accurate and reliable. however, dialog semiconductor does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information. dialog semiconductor furthermore takes no responsibility whatsoever for the content in this document if provided by any information source outside of dialog semiconductor. dialog semiconductor reserves the right to change without notice the information published in this document, including without limitation the specifcation and the design of the related semiconductor products, software and applications. applications, software, and semiconductor products described in this document are for illustrative purposes only. dialog semiconductor makes no representation or warranty that such applications, software and semiconductor products will be suitable for the specifed use without further testing or modifcation. unless otherwise agreed in writing, such testing or modifcation is the sole responsibility of the customer and dialog semiconductor excludes all liability in this respect. customer notes that nothing in this document may be construed as a license for customer to use the dialog semiconductor products, software and applications referred to in this document. such license must be separately sought by customer with dialog semiconductor. all use of dialog semiconductor products, software and applications referred to in this document are subject to dialog semiconductors standard terms and conditions of sale , unless otherwise stated. ? dialog semiconductor (uk) ltd. all rights reserved. rohs compliance dialog semiconductor complies to european directive 2001/95/ec and from 2 january 2013 onwards to european directive 2011/65/eu concerning restriction of hazardous substances (rohs/rohs2). dialog semiconductors statement on rohs can be found on the customer portal https://support.diasemi.com/ . rohs certifcates from our suppliers are available on request. 4 of 4 contacting dialog semiconductor united kingdom dialog semiconductor (uk) ltd phone: +44 1793 757700 germany dialog semiconductor gmbh phone: +49 7021 805-0 the netherlands dialog semiconductor b.v. phone: +31 73 640 88 22 email info_pcbg@diasemi.com north america dialog semiconductor inc. phone: +1 408 845 8500 japan dialog semiconductor k. k. phone: +81 3 5425 4567 taiwan dialog semiconductor taiwan phone: +886 8178 6222 web site: www.dialog-semiconductor.com singapore dialog semiconductor singapore phone: +65 64849929 hong kong dialog semiconductor hong kong phone: +852 2607 4271 korea dialog semiconductor korea phone: +82 2 3469 8200 china dialog semiconductor (shenzhen) phone: +86 755 2981 3669 dialog semiconductor (shanghai) phone: +86 21 5178 2561 IW620 product summary quick charge 2.0 usb adaptive voltage position controller rev. 0.8 preliminary IW620 ? 2014 dialog semiconductor (uk) ltd. product summary
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