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copyright ? anpec electronics corp. rev. a.2 - jul., 2017 apl3233 www.anpec.com.tw 1 anpec reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. li+ charger protection ic provide input over-voltage protection programmable over-current protection over-temperature protection high immunity of false triggering high accuracy protection threshold fault status indication available in wlcsp0.74x1.14-5 package lead free and green devices available (rohs compliant) the apl3233a/b provides complete li+ charger protec- tion against input over-voltage, input over-current. the over-current protection is programmed by a resistor con- nected from ilim pin to the ground. when any of the moni- tored parameters are over the threshold, the ic removes the power from the charging system by turning off an in- ternal switch. all protections also have deglitch time against false triggering due to voltage spikes or current transients. features general description applications smart phones and pdas digital still cameras portable devices pin configuration simplified application circuit 5v adapter/usb charger input acin out ilim apl3233 fault gnd wlcsp 0.74x1.14-5 out (a1) ilim (c1) fault (c2) gnd (b1) acin (a2) top view
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 2 apl3233 ordering and marking information note : anpec lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with rohs. anpec lead-free products meet or exceed the lead-free requirements of ipc/jedec j-std-020d for msl classification at lead-free peak reflow temperature. anpec defines green to mean lead-free (rohs compliant) and halogen free (br or cl does not exceed 900ppm by weight in homogeneous material and total of br and cl does not exceed 1500ppm by weight). absolute maximum ratings (note 1) symbol parameter rating unit v acin acin input voltage (acin to gnd) -0.3 ~ 30 v fault v , v ilim fault, ilim to gnd voltage -0.3 ~ 7 v v out out to gnd voltage -0.3 ~ 7 v t j maximum junction temperature 150 o c t stg storage temperature -65 ~ 150 o c t sdr maximum lead soldering temperature(10 seconds) 260 o c note1: stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. these are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recom- mended operating conditions" is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. thermal characteristics symbol parameter typical value unit q ja junction-to-ambient resistance in free air (note 2) 100 o c/w note 2 : q ja is measured with the component mounted on a high effective thermal conductivity test board in free air. apl3233a/b package code ha : wlcsp0.74x1.14-5 operating ambient temperature range i : -40 to 85 o c handling code tr : tape & reel assembly material g : halogen and lead free device handling code temperature range package code assembly material apl3233b ha: apl3233a ha: x - date code x - date code ax bx
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 3 apl3233 recommended operating conditions (note3) symbol parameter range unit v acin acin input voltage 4.5 ~ 5.5 v i out output current 0 ~ 2 a r ilim over-current protection setting resistor 10 ~ 31.25 k w t a ambient temperature -40 ~ 85 o c t j junction temperature -40 ~ 125 o c note 3 : refer th the typical application circuit. apl3233a/b symbol parameter test conditions min typ max unit acin input current and power-on-reset (por) i acin acin supply current - 250 350 m a v acin acin por threshold v in rising 2.4 2.6 2.8 v acin por hysteresis 200 250 300 mv t b(acin) acin power-on blanking time v in rising to v out rising ,vin=4.5~5.5v 8 16 ms internal switch on resistance r on power switch on resistance i out = 0.8a,vin=5v - 90 - m w out discharge resistance v out = 3v 400 500 600 w input over-voltage protection (ovp) apl3233a, t a = -40 ~ 85 o c 5.7 5.85 6.0 v v ovp input ovp threshold apl3233b, t a = -40 ~ 85 o c 6.6 6.8 7.0 v apl3233a 200 250 330 mv input ovp hysteresis apl3233b 290 350 410 mv input ovp propagation delay v acin = 5v to 12v, i out = 10ma - - 1 m s t on(ovp) input ovp recovery time vin=4.5~5.5v - 8 16 ms acin to fault delay time v acin rising to fault v falling, v acin = 0 to 12v. 60 160 260 m s over-current protection (ocp) i ocp ocp threshold r ilim = 25k w , t a = -40 ~ 85 o c, vin=4.5~5.5v 900 1000 - ma t b(ocp) ocp blanking time vin=4.5~5.5v 155 176 195 m s t on(ocp) ocp recovery time vin=4.5~5.5v 50 64 80 ms unless otherwise specified, these specifications apply over v acin =5v, t a = -40~85 c . typical values are at t a =25 c. electrical characteristics
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 4 apl3233 electrical characteristics apl3233a/b symbol parameter test conditions min typ max unit faultlogic levels and delay time fault v faultoutput low voltage sink 5ma current - - 0.4 v faultleakage current fault v = 5v - - 1 m a t f(l) out to faultdelay time v out falling to fault v falling, when any protection is detected 1 2 5 m s t f(h) faultto out delay time fault v rising to v out rising, when any protection is released. 1 2 5 m s thermal shutdown protection t otp thermal shutdown threshold - 155 - c thermal shutdown hysteresis - 30 - c unless otherwise specified, these specifications apply over v acin =5v, t a = -40~85 c . typical values are at t a =25 c.
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 5 apl3233 typical operating characteristics input ovp threshold vs. junction temperature i n p u t o v p t h r e s h o l d , v o v p ( v ) junction temperature ( o c) 5 5.2 5.4 5.6 5.8 6 -40 0 40 80 120 apl3233a in supply current vs. junction temperature i n s u p p l y c u r r e n t , i c c ( m a ) junction temperature ( o c) 0 50 100 150 200 300 -40 0 40 80 120 250 por threshold vs. junction temperature junction temperature ( o c) p o r t h r e s h o l d , v p o r ( v ) 2 2.2 2.4 2.6 2.8 3 -40 0 40 80 120 ocp threshold vs. junction temperature o c p t h r e s h o l d , i o c p ( a ) junction temperature ( o c) 0 0.2 0.6 0.8 1 1.4 -40 0 40 80 120 0.4 1.2 r ilim =25k w power switch on resistance vs. junction temperature p o w e r s w i t c h o n r e s i s t a n c e , r d s , o n ( m w ) junction temperature ( o c) 0 40 80 120 160 200 -40 0 40 80 120 v in =5v i out =0.8a p o w e r s w i t c h o n r e s i s t a n c e , r d s , o n ( m w ) power switch on resistance vs. input voltage input voltage (v) i out =0.8a 50 70 110 130 150 3 3.5 4 4.5 5 5.5 90
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 6 apl3233 operating waveforms normal power on v in =0 to 5v c out =1 m f,c in =1 m f,r out =10 w ch1:v in ,5v/div, dc ch2:v out ,2v/div, dc ch3:i out ,0.5a/div, dc time:2ms/div 1 2 3 v in v out i out ovp at power on v in =0 to 7v c out =1 m f,c in =1 m f,r out =10 w ch1:v in ,5v/div, dc ch2:v out ,2v/div, dc ch3:v fault ,5v/div, dc time:2ms/div 1 2 3 v fault v in v out input over-voltage protection 1 2 3 v in =5 to 7v c out =1 m f,c in =1 m f,r out =10 w ch1:v in ,5v/div, dc ch2:v out ,2v/div, dc ch3:v fault ,5v/div, dc time:20 m s/div v fault v in v out recovery from input ovp 1 2 3 v in =7v to 5v c out =1 m f,c in =1 m f,r out =10 w ch1:v in ,5v/div, dc ch2:v out ,2v/div, dc ch3:v fault ,5v/div, dc time:2ms/div v fault v in v out
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 7 apl3233 operating waveforms over-current protection c out =1 m f,c in =1 m f ch1:v fault ,5v/div, dc ch2:v out ,2v/div, dc ch3:i out ,0.5a/div, dc time:100 m s/div 1 2 3 v out i out v fault
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 8 apl3233 pin wlcsp name function a2 acin power supply input, connect to external dc supply. connect external 1 f ceramic capacitor (minimum) to gnd. b1 gnd ground pin of the circuitry. all voltage levels are measured with respect to this pin. c2 fault fault indication pin. this pin goes low when input ovp, ocp is detected. c1 ilim over-current protection setting pin. connect a resistor (r ilim ) to gnd to set the over-current threshold. when left open, the internal power fet will be turned off. a1 out output pins. output voltage pin. the output voltage follows the input voltage when no fault is detected pin description block diagram ilim out gnd gate driver and control logic por acin otp charge pump 0.5v 1.2v acin ovp ocp fault
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 9 apl3233 typical application circuit figure 1. the typical protection circuit for charger systems. mcu li+ battery pmu c out 1 m f apm2805qa 0.2 w acin out ilim apl3233a/b gnd c acin 1 m f 5v adapter/usb vio gpi o 50k w 50k w chrin gtdrv isens vbat 25k 2 fault 1 m f, 10v, x5r, 0603 murata grm188r61a105k c out murata grm188r61e105k c acin designation 1 m f, 25v, x5r, 0603 murata website: www.murata.com
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 10 apl3233 the output current is monitored by the internal ocp circuit. when the output current reaches the ocp threshold, the device limits the output current at ocp threshold level. if the ocp condition continues for a blanking time of t b(ocp) , the internal power fet is turned off. after the recovery time of t on(ocp) , the fet will be turned on again and the output current is monitored again. the ocp threshold is programmed by a resistor r ilim connected from ilim pin to gnd. the ocp threshold is calculated by the following equation: the apl3233a/b provide an open-drain output to indi- cate that a fault has occurred. when any of input ovp, ocp is detected, the fault goes low to indicate that a fault has occurred. since the fault pin is an open-drain output, connecting a resistor to a pull high voltage is necessary. over-temperature protection when the junction temperature exceeds 155 o c, the inter- nal thermal sense circuit turns off the power fet and allows the device to cool down. when the device s junc- tion temperature cools by 30 o c, the internal thermal sense circuit will enable the device, resulting in a pulsed output during continuous thermal protection. thermal protec- tion is designed to protect the ic in the event of over tem- perature conditions. for normal operation, the junction temperature cannot exceed t j =+125 o c. function description acin power-on-reset (por) the apl3233a/b have a built-in power-on-reset circuit to keep the output shutting off until internal circuitry is oper- ating properly. the por circuit has hysteresis and a de- glitch feature so that it will typically ignore undershoot transients on the input. when input voltage exceeds the por threshold and after 8ms blanking time, the output voltage starts a soft-start to reduce the inrush current. ilim ilim ocp r k i = over-current protection (ocp) input over-voltage protection (ovp) the input voltage is monitored by the internal ovp circuit. when the input voltage rises above the input ovp threshold, the internal fet will be turned off within 1 m s to protect connected system on out pin. when the input voltage returns below the input ovp threshold minus the hysteresis, the fet is turned on again after 8ms recovery time. the input ovp circuit has a 250mv hysteresis and a recovery time of t on(ovp) to provide noise immunity against transient conditions.(see figure 2.) fault output where k ilim =25000a w the apl3233a/b vin input pin fully supports the iec61000-4-2. that means the vin pin has immunity of + 15kv esd discharge in air condition, and immunity of + 8kv esd discharge in contact condition. esd tests
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 11 apl3233 function description (cont.) powering an accessory device in some applications, such as usb on-the-go, users need to power an accessory device by using the portable device s battery through the jack holes of ac adapter. the apl3233a/b provide reverse current flow path from out to in. if v out > v por + 0.7v, fet q1 is turned on, and the reverse current does not flow through the diode but through q1. q1 will then remain on as long as v out > v por -v por_hys + r ds_on *isupply. within this voltage range, the reverse current capability is the same as the forward capability, 1.5a. it should be noted that there is no overcurrent protection in this direction. apl3233 charger battery accessory power supply to system enable disable jack accessory device portable device in out gate driver and logic control q1 i supply v out
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 12 apl3233 function description (cont.) t b(in) v in v out t on(ovp) v ovp v por v fault figure2. ovp timing chart figure 3. ocp timing chart i out v out v fault t b(ocp) t on(ocp) t b(ocp) ocp threshold
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 13 apl3233 application information fault output since the fault pin is an open-drain output, connecting a resistor r up to a pull high voltage is necessary. it is also recommended that connect the fault to the mcu gpio through a resistor r fault . the r fault prevents damage to the mcu under a failure mode. the recommended value of the resistors should be between 10k w to 100k w . capacitor selection the input capacitor is for decoupling and prevents the input voltage from overshooting to dangerous levels. in the ac adapter hot plug-in applications or load current step-down transient, the input voltage has a transient spike due to the parasitic inductance of the input cable. a 25v, x5r, dielectric ceramic capacitor with a value be- tween 1 m f and 4.7 m f placed close to the in pin is recommended. the output capacitor is for output voltage decoupling, and also can be as the input capacitor of the charging circuit. at least, a 1 m f, 10v, x5r capacitor is recommended. in some failure modes, a high voltage may be applied to the device. make sure the clearance constraint of the pcb layout must satisfy the design rule for high voltage. the exposed pad of the wlcsp0.74x1.14-5 performs the function of channeling heat away. it is recommended that connect the exposed pad to a large copper ground plane on the backside of the circuit board through sev- eral thermal vias to improve heat dissipation. the input and output capacitors should be placed close to the ic. r ilim also should be placed close to the ic. the high current traces like input trace and output trace must be wide and short. layout consideration recommended minimum footprint unit: mm wlcsp0.74x1.14-5 0.24 0 . 3 4 7 0.74 0.2 0 . 6 9 4 1 . 1 4 0.2
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 14 apl3233 package information wlcsp0.74x1.14-5 d e pin 1 e e 2 e 2 e1 2 e1 2 e1 a1 a nx aaa c seating plane b 0.016 bsc aaa s y m b o l b e e d a a1 0.003 0.08 wlcsp0.74*1.14-5 millimeters 0.40 bsc 0.18 1.14 0.74 0.14 min. 0.25 0.80 1.20 0.60 0.18 max. inches 0.045 0.029 0.007 0.006 min. 0.010 0.032 0.047 0.024 0.007 max. 0.027 bsc e1 0.694 bsc
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 15 apl3233 carrier tape & reel dimensions application a h t1 c d d w e1 f 178.0 2.00 50 min. 8.4+2.00 -0.00 13.0+0.50 -0.20 1.5 min. 20.2 min. 8.0 0.30 1.75 0.10 3.5 0.05 p0 p1 p2 d0 d1 t a0 b0 k0 wlcsp (0.74x1.14) 4.0 0.10 4.0 0.10 2.0 0.05 1.5+0.10 -0.00 0.5 min. 0.6+0.00 -0.40 0.85 0.05 1.25 0.05 0.56 0.05 (mm) h t1 a d a e 1 a b w f t p0 od0 b a0 p2 k0 b 0 section b-b section a-a od1 p1 package type unit quantity wlcsp(0.74x1.14) tape & reel 3000 devices per unit
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 16 apl3233 taping direction information classification profile wlcsp0.74x1.14 user direction of feed
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 17 apl3233 profile feature sn-pb eutectic assembly pb-free assembly preheat & soak temperature min (t smin ) temperature max (t smax ) time (t smin to t smax ) (t s ) 100 c 150 c 60-120 seconds 150 c 200 c 60-120 seconds average ramp-up rate (t smax to t p ) 3 c/second max. 3 c/second max. liquidous temperature (t l ) time at liquidous (t l ) 183 c 60-150 seconds 217 c 60-150 seconds peak package body temperature (t p )* see classification temp in table 1 see classification temp in table 2 time (t p )** within 5 c of the specified classification temperature (t c ) 20** seconds 30** seconds average ramp-down rate (t p to t smax ) 6 c/second max. 6 c/second max. time 25 c to peak temperature 6 minutes max. 8 minutes max. * tolerance for peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. ** tolerance for time at peak profile temperature (t p ) is defined as a supplier minimum and a user maximum. classification reflow profiles table 2. pb-free process C classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 350-2000 volume mm 3 >2000 <1.6 mm 260 c 260 c 260 c 1.6 mm C 2.5 mm 260 c 250 c 245 c 3 2.5 mm 250 c 245 c 245 c table 1. snpb eutectic process C classification temperatures (tc) package thickness volume mm 3 <350 volume mm 3 3 350 <2.5 mm 235 c 220 c 3 2.5 mm 220 c 220 c reliability test program test item method description solderability jesd-22, b102 5 sec, 245 c holt jesd-22, a108 1000 hrs, bias @ 125 c pct jesd-22, a102 168 hrs, 100 % rh, 2atm, 121 c tct jesd-22, a104 500 cycles, -65 c~150 c hbm mil-std-883-3015.7 vhbm R 2kv mm jesd-22, a115 vmm R 200v latch-up jesd 78 10ms, 1 tr R 100ma
copyright ? anpec electronics corp. rev. a.2 - jul., 2017 www.anpec.com.tw 18 apl3233 customer service anpec electronics corp. head office : no.6, dusing 1st road, sbip, hsin-chu, taiwan, r.o.c. tel : 886-3-5642000 fax : 886-3-5642050 taipei branch : 2f, no. 11, lane 218, sec 2 jhongsing rd., sindian city, taipei county 23146, taiwan tel : 886-2-2910-3838 fax : 886-2-2917-3838

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