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mp6211-3/mp6212-3 3.3v/5v, single-channel 1a current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 1 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. the future of analog ic technology description the mp6211-3/mp6212-3 single-channel power distribution switch features internal current limiting to prevent damage to host devices due to faulty load conditions. the mp6211-3/mp6212-3 analog switch has 95m ? on-resistance and operates from 2.7v to 5.5v input. it is available with guaranteed current limits, making it ideal for load switching applications. the mp6211-3/mp6212-3 has built-in protection for both over current and increased thermal stress. for over current, the device will limit the current by changing to a constant current mode. as the temperature increases as a result of short circuit, the device will shut off. the device will recover once the device temperature reduces to approx 120 c. the flag output of mp6211-3/mp6212-3 will report a fail mode (low level) when over current or over temperature is encountered. the flag will not change state when the input uvlo is triggered. the mp6211-3/mp6212-3 is available in 8-pin msop package with exposed pad and 8-pin soic8 package with exposed pad. features ? 1a continuous current ? accurate current limit ? 2.7v to 5.5v supply range ? 90ua quiescent current ? 95m ? mosfet ? thermal-shutdown protection ? under-voltage lockout ? 8ms flag deglitch time ? flag won't change state at input uvlo transition ? reverse current blocking ? active high & active low options ? soic8e and msop8e packages applications ? smartphone and pda ? portable gps device ? notebook pc ? set-top-box ? telecom and network systems ? usb power distribution for mps green status, please visit mps website under quality assurance. ?mps? and ?the future of analog ic technology? are trademarks of monolithi c power systems, inc. typical application out mp6211-3/ mp6212-3 single-channel *en is active high for mp6211-3 1 2, 3 4 5 6, 7,8 +5v to v bus usb ports flag in gnd en*
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 2 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. ordering information part number enable switch maximum continuous load current typical short- circuit current @ t a =25 c package top marking free air temperature (t a ) mp6212dn-3 active low single 1.0a 1.5a soic8e mp6212-3 -40 c to +85 c mp6212dh-3 msop8e m6212-3 mp6211dn-3 active high soic8e mp6211-3 mp6211dh-3* msop8e m6211-3 * for tape & reel, add suffix ?z (e.g. mp6211dh-3?z). for rohs compliant packaging, add suffix ?lf (e.g. mp6211dh-3?lf?z) package reference gnd in in en* out out out flag top view exposed pad on backside 1 2 3 4 8 7 6 5 soic8e 1 2 3 4 8 7 6 5 top view gnd in in en* out out out flag exposed pad on backside connect to gnd msop8e mp6211-3/mp6212-3 (* en is active high for mp6211-3) absolute maxi mum ratings (1) in ................................................. -0.3v to +6.0v en, flag, out to gnd .............. -0.3v to +6.0v continuous power dissipation. (t a = +25c) (2) soic8e ...................................................... 2.5w msop8e .................................................... 2.3w junction temperature ............................... 150c lead temperature .................................... 260c storage temperature ............... - 65c to +150c maximum junction temp. (t j ) ............... +125 c thermal resistance (3) ja jc soic8e .................................. 50 ...... 10 ... c/w msop8e ................................. 55 ...... 12 ... c/w notes: 1) exceeding these ratings may damage the device. 2) the maximum allowable power dissipation is a function of the maximum junction temperature t j (max), the junction-to- ambient thermal resistance ja , and the ambient temperature t a . the maximum allowable continuous power dissipation at any ambient temperature is calculated by p d (max) = (t j (max)-t a )/ ja . exceeding the maximum allowable powe r dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. internal thermal shutdown circuitry protects the device from permanent damage. 3) measured on jesd51-7 4-layer pcb.
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 3 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. electrical characteristics (4) v in =5v, t a =+25c, unless otherwise noted. parameter condition min typ max units in voltage range 2.7 5.5 v supply current single channel 70 90 120 a shutdown current device disable, v out =float, v in =5.5v 1 a off switch leakage device disable, v in =5.5v 1 a current limit 1.1 1.5 2.2 a trip current current ramp (slew rate 100a/s) on output 1.7 2.4 a under-voltage lockout rising edge 1.95 2.65 v under-voltage hysteresis 250 mv fet on resistance i out =100ma (-40c t a +85c) 95 140 m ? en input logic high voltage 2 v en input logic low voltage 0.8 v flag output logic low voltage i sink =5ma 0.4 v flag output high leakage current v in =v flag =5.5v 1 a thermal shutdown 140 c thermal shutdown hysteresis 20 c v out rising time, tr (5) v in =5.5v, c l =1f, r l =5.5 ? 0.9 2 ms v in =2.7v, c l =1f, r l =5.5 ? 1.7 3 ms v out falling time, tf (6) v in =5.5v, c l =1f, r l =5.5 ? 0.05 0.5 ms v in =2.7v, c l =1f, r l =5.5 ? 0.04 0.5 ms turn on time, ton (7) c l =100f, r l =5.5 ? 1.9 3 ms turn off time, toff ( 8 ) c l =100f, r l =5.5 ? 1.3 10 ms flag deglitch time 4 8 15 ms en input leakage 1 a reverse leakage current v out =5.5v, v in =0 0.1 1 a notes: 4) production test at +25c. specificat ions over the temperature range are guaranteed by design and characterization. 5) measured from 10% to 90%. 6) measured from 90% to 10% 7) measured from (50%) en signal to (90%) output signal. 8) measured from (50%) en signal to (10%) output signal.
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 4 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. pin functions soic8e msop8e name description 1 1 gnd ground. 2, 3 2, 3 in input voltage. accepts 2.7v to 5.5v input. 4 4 en enable input, active low: (mp6212-3), active high: (mp6211-3) 5 5 flag open-drain. flag output stays low after a short output or thermal current limit, and will not change state when input uvlo is triggered. 6, 7, 8 6, 7, 8 out power-distribution switch output. typical performanc e characteristics t a = +25oc, unless otherwise noted. v out t on delay t on t off t off delay v out t on delay t on t off delay t off en en v out out test circuit voltage waveforms t r t f 50% 50% 50% 50% 90% 90% 90% 90% 10% 10% 10% 10% 10% 10% 90% 90% rl cl figure 1?test circuit and voltage waveforms
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 5 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics v in =5.5v, t a =+25oc, unless otherwise noted. input voltage (v) input voltage (v) turn on delay (ms) turn off delay (ms) 3.5 4.5 5.5 6.5 2.5 3.5 4.5 5.5 6 5 34 2.5 1.5 2 2.5 1 0.7 0.6 0.5 0.4 0.8 0.9 input voltage (v) static drain-source on-state 0 20 40 60 80 100 120 140 0 0.2 0.4 0.6 0.8 1 1.2 output current (a) input to output voltage (mv) vin=5.5v vin=5v vin=4v vin=3.3v vin=2.7v 2.53 3.54 4.55 5.56 input voltage (v) 70 75 80 85 90 95 100 ambient temperature ( 0 c) -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 -45 -30 -15 0 15 30 45 60 75 90 static drain-source on-state resistance variation (%) 30 35 40 45 50 55 60 2.5 3 3.5 4 4.5 5 5.5 87 88 89 90 91 92 93 0 0.2 0.4 0.6 0.8 1 output current (a) 80 90 100 110 120 130 2.5 3 3.5 4 4.5 5 5.5 input voltage (v) 0.6 0.8 1 1.2 1.4 1.6 1.8 2.5 3 3.5 4 4.5 5 5.5 input voltage (v) rise time (ms) static drain-source on-state
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 6 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics (continued) v in =5.5v, t a = +25oc, unless otherwise noted. 1s/div en 2v/div v out 2v/div en 2v/div v out 2v/div en 2v/div v out 2v/div en 2v/div v out 2v/div input voltage (v) trip current (a) peak current (a) current limit response (us) 024 6 81012 0 5 10 15 20 25 30 35 40 45 50 short circuit output current (a) input voltage (v) 1.4 1.45 1.5 1.55 1.6 1.65 1.7 1.75 2.5 3 3.5 4 4.5 5 5.5 6 1.5 1.6 1.7 1.8 1.9 2 2.5 3 3.5 4 4.5 5 5.5 6
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 7 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. typical performanc e characteristics (continued) v in =5.5v, t a = +25oc, unless otherwise noted. 1ms/div enabled device v en =5v, c l =1uf inrush current with different load capacitance threshold trip current with ramped load on enabled device v en =5v, c l =1uf ramped load on enabled device v en =5v, c l =1uf short circuit current, device enabled into short v en =5v, c l =1uf 4ms/div 2ms/div 2ms/div 2ms/div i o 500ma/div
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 8 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. function block diagram figure 2?function block diagram
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 9 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. detailed description over current when the load exceeds trip current (minimum threshold current triggering constant-current mode) or a short is present, mp6211-3/mp6212- 3 switches into to a constant-current mode (current limit value). mp6211-3/mp6212-3 will be shutdown only if the overcurrent condition stays long enough to trigger thermal protection. trigger overcurrent protection for different overload conditions occurring in applications: 1) the output has been shorted or overloaded before the device is enabled or input applied. mp6211-3/mp6212-3 detects the short or overload and immediately switches into a constant-current mode. 2) a short or an overload occurs after the device is enabled. after the current-limit circuit has been tripped (reached the trip current threshold), the device switches into constant- current mode. however, high current may flow for a short period of time before the current-limit circuit can react. 3) output current has been gradually increased beyond the recommended operating current. the load current rises until the trip current threshold is reached or until the thermal limit of the device is exceeded. the mp6211- 3/mp6212-3 is capable of delivering current up to the trip current threshold without damaging the device. once the trip threshold has been reached, the device switches into its constant-current mode. flag response the flag pin is an open drain configuration. when over current or over temperature is encountered, flag will report a fail mode (low level). for over current, 8ms deglitch time-out is needed. this is used to ensure that no false fault signal is reported. this internal deglitch circuit eliminates the need for components. for over temperature, the flag pin is not deglitched. when the device recovers from over temperature protection and enters over current mode, the flag remains low if v out is less than 1.4v (figure 3). otherwise flag will become low after 8ms deglitch time (figure 4). the flag will not change state when the input uvlo is triggered. ` vout iout flag short circuit current limit deglitch time vout <1.4v figure 3?flag indication when short output to ground vout iout flag short circuit current limit deglitch time deglitch time vout>1.4v figure 4?flag indication when short with 1 ? resistor thermal protection the purpose of thermal protection is to prevent damage in the ic by allowing exceptive current to flow and heating the junction. the die temp. is internally monitored until the thermal limit is reached. once this temp. is reached, the switch will turn off and allow the chip to cool. the switch has a built-in hysteresis. under-voltage lockout (uvlo) this circuit is used to monitor the input voltage to ensure that the mp6211-3/mp6212-3 is operating correctly. this uvlo circuit also ensures that there is no operation until the input voltage reaches the minimum spec.
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 10 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. enable the logic pin disables the chip to reduce the supply current. the device will operate once the enable signal reaches the appropriate level. the input is compatible with both coms and ttl.
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 11 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. application information power-supply considerations over 10f capacitor between in and gnd is recommended. this precaution reduces power- supply transients that may cause ringing on the input and improves the immunity of the device to short-circuit transients. in order to achieve smaller output load transient ripple, placing a high-value electrolytic capacitor on the output pin(s) is recommended when the load is heavy. out mp6211-3/ mp6212-3 single-channel *en is active high for mp6211-3 1 2, 3 4 5 6, 7,8 +5v to v bus usb ports flag in gnd en* figure 5?application circuit
mp6211-3/mp6212-3 ?current-limited power distribution switch mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 12 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. package information msop8e (exposed pad) note: 1) control dimension is in inches. dimension in bracket is in millimeters. 2) package length does not include mold flash, protrusion or gate burr. 3) package width does not include interlead flash or protrusion. 4) lead coplanarity (bottom of leads after forming) shall be 0.004" inches max. 5) pin 1 identification has half or full circle option. 6) drawing meets jedec mo-187, variation aa-t. 7) drawing is not to scale. 0.030(0.75) 0.037(0.95) 0.043(1.10)max 0.002(0.05) 0.006(0.15) front view seating plane pin 1 id (note 5) 0.114(2.90) 0.122(3.10) 0.187(4.75) 0.199(5.05) 1 4 5 8 0.010(0.25) 0.014(0.35) 0.0256(0.65)bsc 0.114(2.90) 0.122(3.10) top view 0.004(0.10) 0.008(0.20) side view gauge plane 0.010(0.25) 0.016(0.40) 0.026(0.65) 0 o -6 o recommended land pattern 0.016(0.40) 0.0256(0.65)bsc 0.100(2.54) 0.181(4.60) 0.075(1.90) 0.040(1.00) exposed pad bottom view 0.087(2.20) 0.099(2.50) 0.062(1.58) 0.074(1.88)
mp6211-3/mp6212-3 ?current-limited power distribution switch notice: the information in this document is subject to change wi thout notice. users should warra nt and guarantee that third party intellectual property rights are not infringed upon w hen integrating mps products into any application. mps will not assume any legal responsibility for any said applications. mp6211-3/mp6212-3 rev 1.0 www.monolithicpower.com 13 2/18/2011 mps proprietary information. patent protected. unauthorized photocopy and duplication prohibited. ? 2011 mps. all rights reserved. soic8e (exposed pad) see detail "a" 0.0075(0.19) 0.0098(0.25) 0.050(1.27) bsc 0.013(0.33) 0.020(0.51) seating plane 0.000(0.00) 0.006(0.15) 0.051(1.30) 0.067(1.70) top view front view side view bottom view note: 1) control dimension is in inches. dimension in bracket is in millimeters. 2) package length does not include mold flash, protrusions or gate burrs. 3) package width does not include interlead flash or protrusions. 4) lead coplanarity (bottom of leads after forming) shall be 0.004" inches max. 5) drawing conforms to jedec ms-012, variation ba. 6) drawing is not to scale. 0.089(2.26) 0.101(2.56) 0.124(3.15) 0.136(3.45) recommended land pattern 0.213(5.40) 0.063(1.60) 0.050(1.27) 0.024(0.61) 0.103(2.62) 0.138(3.51) 0.150(3.80) 0.157(4.00) pin 1 id 0.189(4.80) 0.197(5.00) 0.228(5.80) 0.244(6.20) 14 85 0.016(0.41) 0.050(1.27) 0 o -8 o detail "a" 0.010(0.25) 0.020(0.50) x 45 o 0.010(0.25) bsc gauge plane

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