mp62061 3.3v/5v, single-channel 700ma current-limited power distribution switch mp62061 rev. 0.91 www.monolithicpower.com 1 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. the future of analog ic technology description the mp62061 power distribution switch features internal current limiting to prevent damage to host devices due to faulty load conditions. the mp62061 analog switch features 80m ? on-resistance and operates from 2.7v to 5.5v input. it is available with a guaranteed current limit, making it ideal for load switching applications. the mp62061 has built-in protection for both over current and increased thermal stress. for over cu rrent, 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 mp62061 is available in msop8e and soic8e packages. features ? 700ma continuous current ? 1a accurate current limit ? 2.7v to 5.5v supply range ? 140ua quiescent current ? 80m ? mosfet ? thermal-shutdown protection ? under-voltage lockout ? 8ms flag deglitch time ? no flag glitch during power up ? reverse current blocking ? msop8e and soic8e packages ? ul recognized: e322138 applications ? smartphone and pda ? portable gps device ? set-top-box ? usb power distribution ?mps? and ?the future of analog ic technology? are registered trademarks of monolithic power systems, inc. typical application out mp62061 single-channel 1 2, 3 4 5 6, 7, 8 3.3v-5v to v bus usb ports flag in gnd en off on ul recognized component
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 2 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. ordering information part number * enable switch maximum continuous load current maximum short-circuit current @ t a =25 c package top marking temperature mp62061dh active high single 700ma 1250ma msop8e 62061d ?40 c to +85 c MP62061DN active high single 700ma 1250ma soic8e 62061d ?40 c to +85 c * for tape & reel, add suffix ?z (eg. mp62061dh?z); for rohs compliant packaging, add suffix ?lf ; (eg. mp62061dh?lf?z) package reference 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 gnd in in en out out out flag 1 2 3 4 8 7 6 5 top view exposed pad on backside connect to gnd msop8e soic8e 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) msop8e .................................................... 2.3w soic8e...................................................... 2.5w junction temperature ...............................150c lead temperature ....................................260c storage temperature............... ? 65c to +150c operating temperature.............. ? 40c to +85c thermal resistance (3) ja jc msop8e................................. 55 ...... 12... c/w soic8e .................................. 50 ...... 10... 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 power 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
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 3 9/23/2009 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 140 160 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 750 1000 1250 ma trip current current ramp (slew rate 100a/s) on output 1.4 1.8 a under-voltage hysteresis 250 mv fet on resistance i out =100ma and -40c mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 4 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. pin functions pin # msop8e soic8e name description 1 gnd, exposed 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 high. 5 flag in-to-out over-current, active -low output flag. open-drain. 6, 7, 8 out power-distribution switch output. 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
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 5 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. typical performanc e characteristics (continued) v in =5.5v, v en =5v, c l =2.2uf, t a =25c, unless otherwise noted. 1 1.5 2 2.5 3 3.5 4 2.5 3 3.5 4 4.5 5 5.5 6 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) input voltage (v) turn on delay (ms) static drain-source on-state resistance vs. input voltage i out =0.7a input to output voltage vs. load current circuit limit vs. input voltage supply current, output enabled vs. input voltage turn off delay (ms) output current (a) 2.533.544.555.56 2.5 3 3.5 4 4.5 5 5.5 6 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) input voltage (v) input voltage (v) input to output voltage (mv) current limit (a) threshold trip current vs. input voltage 2.5 3 3.5 4 4.5 5 5.5 6 input voltage (v) current limit response time vs. peak current 70 80 90 100 110 120 130 threshold trip current (a) peak current (a) 0 0.05 0.1 0.15 0.2 0.25 90 100 110 120 130 140 150 0 20 40 60 80 100 120 0 0.2 0.4 0.6 0.8 1 vin=2.7v vin=3.3v vin=4.5v vin=5.5v vin=5v 0.85 0.9 0.95 1 1.05 1.1 1.15 1.2 1.25 1 1.2 1.4 1.6 1.8 0 10 20 30 40 50 024681012 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
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 6 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. typical performanc e characteristics (continued) v in =5.5v, v en =5v, c l =2.2uf, t a =25c, unless otherwise noted. en 5v/div v out 2v/div en 5v/div v out 2v/div en 5v/div i out 200ma/div en 5v/div i out 200ma/div i out 500ma/div flag 5v/div flag 5v/div i out 1a/div i out 500ma/div en 5v/div v out 2v/div en 5v/div v out 2v/div v out 2v/div 1s/div 4ms/div 1ms/div 2ms/div 2ms/div 1ms/div ramped load on enabled device threshold trip current with ramped load on enabled device 100uf 220uf 470uf
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 7 9/23/2009 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 detailed description over current when the load exceeds trip current (minimum threshold current triggering constant-current mode) or a short is present, mp62061 switches into to a constant-current mode (current limit value). mp62061 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. mp62061 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 mp62061 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.
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 8 9/23/2009 mps proprietary information. unaut horized photocopy and duplication prohibited. ? 2009 mps. all rights reserved. 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 temperature is internally monitored until the thermal limit is reached. once this temperature 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 mp62061 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.
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 9 9/23/2009 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 mp62061 1 2, 3 4 5 6, 7, 8 3.3v-5v to v bus usb ports flag in gnd en off on figure 3?application circuit
mp62061 ?current-limited power distribution switche mp62061 rev. 0.91 www.monolithicpower.com 10 9/23/2009 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)
mp62061 ?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. mp62061 rev. 0.91 www.monolithicpower.com 11 9/23/2009 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 inte rlead 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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