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mp6211/mp6212 3.3v/5v, single-channel 1a current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 1 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. the future of analog ic technology description the mp6211/mp6212 single-channel power distribution switch features internal current limiting to prevent damage to host devices due to faulty load conditions. the mp6211/mp6212 analog switch has 90m ? 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/mp6212 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 mp6211/mp6212 is available in an 8-pin msop and soic package with exposed pad. features ? 1a continuous current ? accurate current limit ? 2.7v to 5.5v supply range ? 90ua quiescent current ? 90m ? mosfet ? thermal-shutdown protection ? under-voltage lockout ? 8ms flag deglitch time ? no flag glitch during power up ? reverse current blocking ? active high & active low options ? msop8e and soic8e package ? ul recognized: e322138 applications ? smartphone and pda ? portable gps device ? notebook pc ? set-top-box ? telecom and network systems ? usb power distribution ?mps? and ?the future of analog ic technology? are trademarks of monolithic power systems, inc. typical application out mp6212 single-channel 1 2, 3 4 5 6, 7 +5v to v bus usb ports flag in gnd en ul recognized component
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 2 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. ordering information part number * enable switch maximum continuous load current typical short- circuit current @ t a =25c package top marking temperature mp6211dn active high single 1.0a 1.5a soic8e mp6211dh active high single 1.0a 1.5a msop8e 6211d mp6212dn active low single 1.0a 1.5a soic8e mp6212dh active low single 1.0a 1.5a msop8e 6212d ?40 c to +85 c * for tape & reel, add suffix ?z (eg. mp6211_mp6212dn?z). for rohs compliant packaging, add suffix ?lf. (eg. mp6211_mp6212dn?lf?z) package reference gnd in in en* nc out out flag 1 2 3 4 8 7 6 5 top view exposed pad on backside mp6211_mp6212 single-channel (* en is active high for mp6211) 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 operating temperature.............. ? 40c to +85c 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/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 3 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 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 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 (-40 c t a 85c) 90 130 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 in =5.5v, cl=1uf, rl=5.5 ? 0.9 ms v out rising time, tr (5) v in =2.7v, cl=1uf, rl=5.5 ? 1.7 ms v in =5.5v, cl=1uf, rl=5.5 ? 0.5 ms v out falling time, tf (6) v in =2.7v, cl=1uf, rl=5.5 ? 0.5 ms turn on time, ton (7) c l =100 f, rl=5.5 ? 3 ms turn off time, toff (8) c l =100 f, rl=5.5 ? 10 ms flag deglitch time 4 8 15 ms enx input leakage 1 a reverse leakage current out=5.5v, in=gnd 0.2 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/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 4 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. pin functions soic8 msop8e name description 1 gnd expose pad ground. connect exposed pad to gnd plane for optimal thermal performance. 2, 3 in input voltage. accepts 2.7v to 5.5v input. 4 en enable input, active low: (mp6212), active high: (mp6211) 5 flag in-to-out over-current, active -low output flag. open-drain. 6, 7 out power-distribution switch output. 8 n/c no connect. not internally connected. typical performanc e characteristics t a = +25oc, unless otherwise noted. v i (en x ) vi(enx) v o (out x ) out x rl cl v o (out x ) vo(outx) 50% 50% 50% 50% 90% 90% 90% 90% 10% 10% 10% 10% t on t r t f ton t off toff voltage waveforms test circuit figure 1?test circuit and voltage waveforms
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 5 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. typical performanc e characteristics v in =5.5v, c l =2.2uf, t a = +25oc, unless otherwise noted. input votage (v) input votage (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 2.5 3 3.5 4 4.5 5 5.5 6 current limit response time vs. peak current v en =5v 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 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) 70 80 90 100 110 120 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) static drain-source on-state vin=5.5v vin=5v vin=4v vin=3.3v vin=2.7v supply current, output enabled vs. input voltage v en =5v input to output voltage vs. load current v en =5v short circuit output current (a) input voltage (v) input votage (v) supply current (ua) static drain-source on-state resistance vs. input voltage v en =5v, i out =1a short circuit output current vs. input voltage v en =5v, v in =5v threshold trip current vs. input voltage v en =5v 70 75 80 85 90 95 100 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 2.533.544.555.56 static drain-source on-state resistance variation vs. ambient temperature v in =5v, i o =0.1a -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 -45 -30 -15 0 15 30 45 60 75 90
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 6 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. typical performanc e characteristics (continued) v in =5.5v, t a = +25oc, unless otherwise noted. 1ms/div inrush current with different load capacitance threshold trip current with ramped load on enabled device ramped load on enabled device short circuit current, device enabled into short 4ms/div 2ms/div 2ms/div 2ms/div 1s/div en 2v/div v out 2v/div en 2v/div v out 2v/div i o 500ma/div
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 7 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. function block diagram vref deglitch logic charge pump gnd thermal sense uvlo in en flag out current sense amp -- -- -- -- -- -- -- -- -- -- -- -- -- -- + + -- figure 2?functional block diagram
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 8 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 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/mp6212 switches into to a constant-current mode (current limit value). mp6211/mp6212 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. mp mp6211/mp6212 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/ mp6212 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. this fault will report a fail mode after an 8ms deglitch timeout. this is used to ensure that no false fault signals are reported. this internal deglitch circuit eliminates the need for extend components. the flag pin is not deglitched during an over temp. or a voltage lockout. 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 mp6211/6212 is operating correctly. this uvlo circuit also ensures that there is no operation until the input voltage reaches the minimum spec. 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/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 9 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. application information power-supply considerations over 10 f 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 mp6212 single-channel 1 2, 3 4 5 6, 7 +5v to v bus usb ports flag in gnd en figure 3?application circuit
mp6211/mp6212 ?current-limited power distribution switches mp6211_mp6212 rev. 1.1 www.monolithicpower.com 10 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 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/mp6212 ?current-limited power distribution switches 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_mp6212 rev. 1.1 www.monolithicpower.com 11 9/18/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 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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