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ap 437 0 document number: ds37242 rev. 3 - 2 1 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product decoding ic compatible to qualcomm quick charge 2.0 protocol description the ap 4370 is a decoding ic compatible to qualcomm high voltage dedicated charging port (hvdcp) quick charge (qc) 2.0 protocol. i t decodes the different combinations of d+/d - signals, generated by the portable device, into the related configurations of v1/v2, which can be used to change either voltage reference or voltage feedback divider resister for the controller ic to make the further constant voltage/constant cur rent control. the AP4370 has over voltage discharge feature to accelerate output voltage decline transition. the AP4370 automatically provides 5v output configuration for the connected portable device that is not compatible to qualcomm qc 2.0 protocol. th e ap 437 0 is packaged in t sot 2 6 and sot26 packages . features ? compatible to qualcomm hvdcp quick charge 2.0 protocol class a: 5v/9v/12v ? ultra low static current: 8 0 a at 5v v cc ? wide v cc supply voltage: 4. 5v to 1 5 v ? over voltage discharge feature t o accelerate output voltage decline transition ? small profile: tsot26/ sot 2 6 smd p ackage in accordance with l evel 3 of ipc/jedec j - std - 033a ? totally lead - free & fully rohs compliant (note s 1 & 2) ? halogen and antimony free. green device (note 3) pin assi gnments (top view) tsot26 / sot26 applications ? chargers/ adapters note s: 1 . no purposely added lead. fully eu directive 2002/95/ec (rohs) & 2011/6 5/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more information about diodes incorporateds definitions of hal ogen - and antimony - free, "green" and lead - f ree . 3. halogen - and antimony - free "green p roducts are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds . typical applications circuit t r a n s f o r m e r s e c o n d a r y + c 2 2 + c 2 3 c 2 1 r 2 1 d + d - g n d a p 4 3 7 0 v 1 v c c v 2 r 2 2 d 2 1 c 2 5 u 2 2 v o u t d - d + g n d u s b c o n n e c t o r 1 2 3 4 6 5 o p t o - c o u p l e r u 2 1 r 2 4 t l 4 3 1 u 2 3 c 2 4 r 2 5 r 2 6 r 2 7 r 2 3 r 2 8 r 2 9 c 2 6 c 2 7 d + g n d d - v c c v 2 v 1 1 2 3 4 5 pin 1 mark 6
ap 437 0 document number: ds37242 rev. 3 - 2 2 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product pin description s p in number pin name function 1 d+ usb d+ input 2 gnd ground return 3 d - usb d - input 4 vcc ic s upply v oltage , connected to a ceramic cap . 5 v2 decoder output2 , used as input of constant voltage/constant current controller 6 v1 decoder output1 , used as input of constant voltage/consta nt current controller functional block diagram absolute maximum ratings (note 4 ) symbol parameter rating unit v cc ic supply voltage - 0.3 to 2 5 v v d+ / v d - usb input vo ltage - 0.3 to 7 v v v1 / v v2 decoder output voltage - 0. 3 to 7 v t j operating junction temperature - 40 to + 1 5 0 c t stg storage temperature - 65 to + 150 c t lead lead temperature (soldering, 10 sec) + 300 c ja thermal resistance ( junction to ambient ) 200 c /w esd esd (human body model) 4000 v esd ( machine model ) 150 v note 4 : stresses greater than those listed under absolute maximum ratings may cause permanent damage to the device. these are stres s ratings only, and functional operation of the de vice at these or any other conditions beyond those indicated under recommended operating conditions is not implied. exposure to absolute maximum ratings for extended periods may affect device reliability. d e c o d e r l o g i c r e g u l a t o r & r e f e r e n c e v c c d + d - g n d v 1 v 2 v d d v d a t _ r e f , v s e l _ r e f p o w e r _ o k e n c o d e r & t i m i n g c o n t r o l c l k & t i m e r 5 v 9 v 1 2 v r d m _ d w m v d a t _ r e f v s e l _ r e f v d a t _ r e f v s e l _ r e f r d a t _ l k g s v 1 s v 2 s 0 s 1 1 2 3 4 5 6 o v e r v o l t a g e d i s c h a r g e
ap 437 0 document number: ds37242 rev. 3 - 2 3 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product electrical characteristics ( v cc = 5 v, t a = + 25 c , unless othe rwise specified .) symbol parameters conditions min typ max unit startup and uvlo section v th_st v cc startup threshold C 3.4 3.8 4.2 v v opr(min) v cc minimal operating voltage C 3.2 3.6 4 .0 v standby current section i cc operating current C C 8 0 1 2 0 a q uick c harge p rotocol section v dat_ref data detect voltage C 0.25 0.325 0.4 0 v v sel_ref output voltage selection reference C 1.8 2.0 2.2 v r dat_lkg data line leakage resistance C 300 5 00 8 00 k ? r dcp_dat d+ to d - resistance during dcp mode d+ i s supplied with 0.6v C 20 40 ? r dm_dwm d - pull - down resistance C 14.25 19.53 24.8 0 k ? t glitch_bc_done d+ high glitch filter time C 1 1.25 1.5 s t glitch_dm_low d - low glitch filter time note 5 1 2.5 C ms t glitch_v_change output voltage glitch filter ti me C 20 40 60 ms t d+_d - _short d+ d - hvdcp short time C C 10 20 ms c d cp_pwr d+/ - equivalent capacitance note 5 C C 1 nf v otg_sess_vld otg session valid voltage C 0.8 C 4.0 v output section r v1_on v1 switch turn - on resistance C C 15 2 5 ? r v2_on v2 swi tch turn - on resistance C C 10 1 8 ? r v1/v2_off v1/v2 switch turn - off resistance C high - z C o ver voltage discharge section v ovd5 v over voltage discharge trigger point for 5v output C 5.96 6.15 6.33 v v ovd9v over voltage discharge trigger point for 9v output C 10.58 10.91 11.24 v k dis ratio of target voltage for discharge finish to ovd trigger point C C 0.9 C C i ovd over voltage discharge current C 63.8 75.0 86.3 ma t ovd o ver voltage discharge duration C C 120 C ms note 5 : g uarante e d by d esign .
ap 437 0 document number: ds37242 rev. 3 - 2 4 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product o peration principle description overall introduction t he figure o n page 1 is the typical application circuit of AP4370 , which follow s qualcomm hvdc quick charge 2.0 protocol to decode the different combination s of d+/d - signals, generated by the porta ble device, into the related configurations of v1/v2 for the controller ic to make the further constant voltage/constant current control . the AP4370 au tomatically provides 5v output configuration for the connected portable device tha t is not compatible to qc 2.0 protocol. when the portable device requests a lower output voltage, the AP4370 will have over voltage discharge function operate until the output voltage reaches v ovd x v * k dis or the time duration is over t ovd . q uick c harge 2.0 protocol operation t he switches of s1, s v1 and s v2 (shown in functional block diagram on page 2 ) will be kept turn - off during the start - up phase, and the default v1/v2 co nfiguration ensures that the charger /adapter is regulated into 5v output vo ltage. s0 switch will be turned on to short d+ to d - at start - up voltage within v otg_sess_vld ( 0.8v to 4.0v ) . if AP4370 finds d+ voltage is between v dat_ref (0.325v, typical) and v sel_ref (2.0v, typical ) lasting for t glitch_bc_done , it will turn off s0 to have d+ / d - open, and turn on s1 to have d - connected to gnd via r dm_dwm (19.53 k? , typical). AP4370 will ensure that d - stays low voltage for more than t glitch_dm_low (1ms, min) to successfully complete qu alcomm qc 2.0 protocol h andshake . a fter that , ap437 0 can respond to the voltage request made by the portable device via d+/d - data lines. i f ap437 0 detects that d+/d - keeps voltage unchanged for a glitch filter period of t g litch_v_change ( 4 0ms, typical ), it will follow the volt age decoding table below to configure v1/v2 by turning on/off s v1 and s v2 to output the target voltage . finally, a fter the portable device is removed from usb connector , AP4370 will have d+ shorted to d - within t d+_d - _short (20ms, max), configure v1/v2 to 5v output, and is ready for next handshake. decoder d+ ( v ) d - ( v ) v1 switch (s v1 ) status v2 switch (s v2 ) status hvdcp voltage ( v ) quick charge 2.0 protocol class a: 5v, 9v , 12v 0.6 0.6 turn - on turn - on 12 3.3 0.6 turn - on turn - off 9 0.6 3.3 keep present v1/v2 status unchanged 3.3 3.3 keep present v1/v2 status unchanged 0.6 or 3.3 gnd turn - off turn - off 5 gnd 0.6 or 3.3 or gnd turn - off turn - off 5, AP4370 protocol handshake reset table 1. d+/d - voltage decoder
ap 437 0 document number: ds37242 rev. 3 - 2 5 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product performance characteristics startup voltage vs. ambient temperature minim al operating voltage vs. am bient temperature operating current vs. ambient temperature data line leakage resistance vs. ambient temperature d+ to d - resistance during dcp mode vs. d - pull - down resistance vs. ambient temperature ambient temperature -40 -20 0 20 40 60 80 100 120 140 40 50 60 70 80 90 100 ambient temperature ( o c) operating current ( ? a) -40 -20 0 20 40 60 80 100 120 140 0 5 10 15 20 25 30 ambient temperature ( o c) d+ to d- resistance during dcp mode ( ? ) -40 -20 0 20 40 60 80 100 120 140 3.0 3.2 3.4 3.6 3.8 4.0 ambient temperature ( o c) minimal operating voltage (v) -40 -20 0 20 40 60 80 100 120 140 300 350 400 450 500 550 600 650 700 ambient temperature ( o c) data line leakage resistance (k ? ) -40 -20 0 20 40 60 80 100 120 140 16 18 20 22 24 26 28 30 ambient temperature ( o c) d- pull-down resistance (k ? ) -40 -20 0 20 40 60 80 100 120 140 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 ambient temperature ( o c) start-up voltage (v)
ap 437 0 document number: ds37242 rev. 3 - 2 6 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product performance characteristics (cont.) data detect voltage vs. ambient temperature output voltage selection reference vs. ambient temperature d+ high glitch filter time vs. output voltage glitch filter time vs. ambient temperature ambient temperature v1 switch turn - on resistance vs. v2 switch turn - on resistance vs. ambient temperature ambient temperature -40 -20 0 20 40 60 80 100 120 140 30 32 34 36 38 40 42 44 46 ambient temperature ( o c) output voltage glitch filter time (ms) -40 -20 0 20 40 60 80 100 120 140 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 ambient temperature ( o c) data detect voltage (v) -40 -20 0 20 40 60 80 100 120 140 8 10 12 14 16 18 20 22 24 26 28 ambient temperature ( o c) v1 switch turn-on resistance ( ? ) -40 -20 0 20 40 60 80 100 120 140 0.9 1.0 1.1 1.2 1.3 1.4 1.5 ambient temperature ( o c) d+ high glitch filter time (s) -40 -20 0 20 40 60 80 100 120 140 6 8 10 12 14 16 18 ambient temperature ( o c) v2 switch turn-on resistance ( ? ) -40 -20 0 20 40 60 80 100 120 140 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 ambient temperature ( o c) output voltage selection reference (v)
ap 437 0 document number: ds37242 rev. 3 - 2 7 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product ordering information package temperature range part number marking id packing t so t26 - 40 to + 85 ? c AP4370kttr - g1 l9h 3 000/ tape & reel sot26 - 40 to + 85 ? c AP4370ktr - g1 l9 h 3 000/ tape & reel marking information (top view) l9h xx : logo l9h : marking id p a c k i n g p a c k a g e p r o d u c t n a m e t r : t a p e & r e e l k t : t s o t 2 6 g 1 : g r e e n a p 4 3 7 0 x x x x C r o h s / g r e e n k : s o t 2 6
ap 437 0 document number: ds37242 rev. 3 - 2 8 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product package outline dimensions (all d imensions in mm (inch) . ) (1) package t ype: t sot26 2 . 8 0 0 ( 0 . 1 1 0 ) 3 . 0 0 0 ( 0 . 1 1 8 ) 1 . 5 0 0 ( 0 . 0 5 9 ) 1 . 7 0 0 ( 0 . 0 6 7 ) 2 . 6 0 0 ( 0 . 1 0 2 ) 3 . 0 0 0 ( 0 . 1 1 8 ) 0 . 9 5 0 ( 0 . 0 3 7 ) b s c 1 . 9 0 0 ( 0 . 0 7 5 ) b s c 0 . 7 0 0 ( 0 . 0 2 8 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 0 . 0 0 0 ( 0 . 0 0 0 ) 0 . 1 0 0 ( 0 . 0 0 4 ) 0 . 3 5 0 ( 0 . 0 1 4 ) 0 . 5 1 0 ( 0 . 0 2 0 ) 0 8 ? 0 . 3 7 0 ( 0 . 0 1 5 ) m i n 0 . 1 0 0 ( 0 . 0 0 4 ) 0 . 2 5 0 ( 0 . 0 1 0 ) ? 0 . 2 5 0 ( 0 . 0 1 0 ) b s c g a u g e p l a n e r 0 . 1 0 0 ( 0 . 0 0 4 ) m i n p i n 1 m a r k 1 . 0 0 0 ( 0 . 0 3 9 ) m a x
ap 437 0 document number: ds37242 rev. 3 - 2 9 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product package outline dimensions (all d imensions in mm (inch) .) (cont.) (2) package t ype: sot26 2 . 8 2 0 ( 0 . 1 1 1 ) 3 . 1 0 0 ( 0 . 1 2 2 ) 2 . 6 5 0 ( 0 . 1 0 4 ) 3 . 0 0 0 ( 0 . 1 1 8 ) 1 . 5 0 0 ( 0 . 0 5 9 ) 1 . 7 0 0 ( 0 . 0 6 7 ) 0 . 9 5 0 ( 0 . 0 3 7 ) t y p 1 . 8 0 0 ( 0 . 0 7 1 ) 2 . 0 0 0 ( 0 . 0 7 9 ) 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 5 0 0 ( 0 . 0 2 0 ) 0 . 7 0 0 ( 0 . 0 2 8 ) r e f 0 . 1 0 0 ( 0 . 0 0 4 ) 0 . 2 0 0 ( 0 . 0 0 8 ) 0 8 0 . 2 0 0 ( 0 . 0 0 8 ) 0 . 3 0 0 ( 0 . 0 1 2 ) 0 . 6 0 0 ( 0 . 0 2 4 ) 0 . 0 0 0 ( 0 . 0 0 0 ) 0 . 1 5 0 ( 0 . 0 0 6 ) 0 . 9 0 0 ( 0 . 0 3 5 ) 1 . 3 0 0 ( 0 . 0 5 1 ) 1 . 4 5 0 ( 0 . 0 5 7 ) m a x 1 2 3 4 5 6 p i n 1 m a r k
ap 437 0 document number: ds37242 rev. 3 - 2 10 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product suggested pad layout (1) package t ype: t sot26 dimensions e (mm)/(inch) x (mm)/(inch) y (mm)/(inch) z (mm)/(inch) value 0.950/0.037 0.700/0.028 1.000/0.039 3.199/0.126 x y z e
ap 437 0 document number: ds37242 rev. 3 - 2 11 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product suggested pad layout (cont.) (2) package t ype: sot26 dimensions z (mm)/(inch) g (mm)/(inch) x (mm)/(inch) y (mm)/(inch) e (mm)/(inch) value 3.6 00/0.142 1.600/0.063 0.700/0.028 1.000/0.039 0.950/0.037 e e g z y x
ap 437 0 document number: ds37242 rev. 3 - 2 12 of 12 www.diodes.com december 2014 ? diodes incorporated AP4370 a product line of diodes incorporated new product important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merc hantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes witho ut further notice to this document and any product described herein. diodes incorporated does not assume any liability arisin g out of the application or use of this document or any product described herein; neither does diodes incorporated convey any licen se under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such appli cations shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthor ized sales channel. should customer s purchase or use diodes incorporated products for any unintended or unauthorized application, customers shall indemnify and hold diodes incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising ou t of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product nam es and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of this document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical components in life support devices or system s without the express written approval of the chief executive officer of diodes incorporated. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in acc ordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support device or system whose failure to perform can be reasonab ly expected to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support d evices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety - related requirem ents concerning their products and any use of diodes incorporated products in such safety - critical, life support devices or systems, notwithstanding any devices - or systems - related information or support that may be provided by diodes incorporated. furthe r, customers must fully indemnify diodes incorporated and its representatives against any damages arising out of the use of diodes incorporated products in such safety - critical, life support devices or systems. copyright ? 201 4 , diodes incorporated www.d iodes.com

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