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? 2014 microchip technology inc. ds20005257b-page 1 features ? automotive aec-q100 qualified, ppap available upon request ? position sensorless bldc drivers (no hall sensor required) ? 180 sinusoidal drive for high efficiency and low acoustic noise ? supports 2v to 14v power supplies ? speed control through power supply modulation (psm) and/or pulse-width modulation (pwm) ? built-in frequency generator (fg output signal) ? built-in lock-up protection and automatic recovery circuit (external capacitor not necessary) ? built-in overcurrent limitation (1.5a) ? built-in overvoltage protection ? built-in thermal shutdown protection ? thermally enhanced 8-lead 4 mm x 4 mm dfn package with exposed pad ? 23 khz pwm output frequency ? no external tuning required ? optimized for fan cooling systems typical applications ? silent notebook cpu/gpu cooling fans ? air ventilation system ? 12v 3-phase bldc motors description the mcp8063 device is a highly integrated 3-phase, full-wave sensorless driver for brushless motors. it features a 180 sinusoidal drive, high torque output, and silent drive. its integrated features and the wide power supply range (2v to 14v) make the mcp8063 an ideal candidate for a broad range of motor characteristics, requiring no external tuning. speed control can be achieved through either power supply modulation (psm) or pulse-width modulation (pwm). due to the compact packaging and minimum bill of materials (power transistors integrated, no hall sensor, no external tuning), the mcp8063 is optimized for fan applications that require high efficiency and low acoustic noise at competitive costs. frequency generator output enables precision speed control in closed-loop applications. the mcp8063 driver includes a lock-up protection mode, which turns off the output current when the motor is under lock condition, and an automatic recovery that enables the fan to restart when the lock condition is removed. features such as motor overcurrent limitation and thermal shutdown protection improve motor system reliability without additional efforts from design engineers. the mcp8063 is available in a compact thermally-enhanced 8-lead 4 mm x 4 mm dfn package with exposed pad. package types mcp8063 4x4 dfn* * includes exposed thermal pad (ep); see ta b l e 3 - 1 . to p vie w out1 v bias out2 v dd out3 1 2 3 4 8 7 6 5 gnd pwm fg ep 9 3-phase brushless sinusoidal sensorless motor driver mcp8063
mcp8063 ds20005257b-page 2 ? 2014 microchip technology inc. functional block diagram thermal protection v bia s out1 out2 mcu pwm fg out3 v dd output drive circuit motor phase detection circuit overcurrent limitation pwm input v dd regulator v ref gnd v bia s
? 2014 microchip technology inc. ds20005257b-page 3 mcp8063 typical application ? fan motor driver using the mcp8063 recommended external components for typical application element type/value comment c 1 1 f connect as close as possible to ic input pins c 2 10 f connect as close as possible to ic input pins r 1 10 k ? connect to v logic on controller side out1 fg v bia s out2 gnd v dd pwm out3 1 2 3 45 6 7 8 mcp8063 v dd pwm input (0.02-100 khz) c 1 c 2 r 1 v logi c (controller side) 9 ep
mcp8063 ds20005257b-page 4 ? 2014 microchip technology inc. 1.0 electrical characteristics absolute maximum ratings? power supply voltage (v dd_max ) .................... -0.7 to +16.0v maximum out1,2,3 voltage (v out_max ) ........ -0.7 to +16.0v maximum output current ( 1 ) (i out_max ) ...........-1.7a to +1.7a fg maximum output voltage (v fg_max ) ......... -0.7 to +16.0v fg maximum output current (i fg_max ) .....................5.0 ma v bias maximum voltage (v bias_max ) ................ -0.7 to +4.0v pwm maximum voltage (v pwm_max ) ................ -0.7 to +4.0v maximum junction temperature (t j ) .......................... +150c hbm esd protection on all pins.......................................4 kv ? notice: stresses above those listed under ?maximum ratings? may cause permanent damage to the device. this is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. exposure to maximum rating conditions for extended periods may affect device reliability. note 1: out1, out2, out3 (continuous, 100% duty cycle). electrical characteristics electrical specifications: unless otherwise specified, all limits are established for v dd = 12.0v, temperature = +25c. parameters sym. min. typ. max. units conditions power supply voltage v dd 2?14v power supply current i vdd ? ? 10 ? ? ma ma rotation mode 5 lock-protection mode out1/2/3 high resistance r on(h) ?0.6 1 ? i out =0.5a, v dd = 3.3v to 14v ( note 1 ) out1/2/3 low resistance r on(l) ?0.6 1 ? i out = -0.5a, v dd = 3.3v to 14v ( note 1 ) out1/2/3 total resistance r on(h+l) ?1.2 2 ? i out =0.5a, v dd = 3.3v to 14v ( note 1 ) out1/2/3 maximum current limitation i out_lim 1.4 1.5 1.6 a note 1 v bias output voltage v bias ? ? 3? ? vv dd = 3.3v to 14v v dd ?0.2 v v dd <3.3v pwm input frequency f pwm 0.02 ? 100 khz pwm input h level v pwm_h 0.8 v bias ?3.6v pwm input l level v pwm_l 0? 0.2 v bias v pwm internal pull-up current i pwm_l 17 34 ? a pwm = gnd, v dd = 3.3v to 14v 8 17 ? a pwm = gnd, v dd <3.3v pwm output frequency f pwm_o ?23?khz fg output pin low level voltage v ol_fg ? ? 0.25 v i fg =-1 ma fg output pin leakage current i lh_fg ??10av fg =14v lock protection operating time t run ?0.5? s lock protection waiting time t wait 4.0 4.5 5.0 s note 1: minimum and maximum parameter is not production tested and is specified by design and validation. reference pcb, according to jedec standard eia/jesd 51-9.
? 2014 microchip technology inc. ds20005257b-page 5 mcp8063 figure 1-1: allowable power dissipation (p d_max ) as a function of ambient temperature (t a ). thermal shutdown t sd ? 170 ? c thermal shutdown hysteresis t sd_hys ?25?c input over voltage v ov ?18.5? v temperature specifications electrical specifications: unless otherwise specified, all limits are established for v dd = 12.0v, t a =+25c. parameters sym. min. typ. max. units conditions temperature ranges operating temperature t opr -40 ? +125 c storage temperature range t stg -55 ? +150 c package thermal resistances thermal resistance, 8ld 4x4 dfn ? ja ?48?c/w ? jc ?7?c/w note 1: minimum and maximum parameter is not production tested and is specified by design and validation. derating applies for ambient temperatures outside the specified operating range (refer to figure 1-1 ). electrical characteristics (continued) electrical specifications: unless otherwise specified, all limits are established for v dd = 12.0v, temperature = +25c. parameters sym. min. typ. max. units conditions note 1: minimum and maximum parameter is not production tested and is specified by design and validation. reference pcb, according to jedec standard eia/jesd 51-9. 0 0.5 1 1.5 2 2.5 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 p dmax (w) t a (c) dfn-8
mcp8063 ds20005257b-page 6 ? 2014 microchip technology inc. 2.0 typical performance curves note: unless otherwise indicated, t a =+25c, v dd = 14v, out1, 2, 3 and pwm open. figure 2-1: oscillator frequency deviation vs. temperature. figure 2-2: internal regulated voltage (v bias ) vs. temperature. figure 2-3: input (pwm) v il vs. temperature. figure 2-4: input (pwm) v ih vs. temperature. figure 2-5: output r on resistance vs. temperature (v dd =3.3v). figure 2-6: supply current vs. temperature. note: the graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. the performance characteristics listed herein are not tested or guaranteed. in some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. -2 0 2 4 6 8 10 12 14 16 -40 -25 -10 5 20 35 50 65 80 95 110 125 oscillator frequency deviation (%) temperature (c) v dd = 14v v dd = 2v 0 0.5 1 1.5 2 2.5 3 3.5 -40 -25 -10 5 20 35 50 65 80 95 110 125 v bias (v) temperature (c) v dd = 2v v dd = 3.3v v dd = 14v 25 30 35 40 45 50 -40 -25 -10 5 20 35 50 65 80 95 110 125 pwm v il (% of v bias ) temperature (c) v dd = 14v v dd = 2v 50 55 60 65 70 75 -40 -25 -10 5 20 35 50 65 80 95 110 125 pwm v ih (% of v bias ) temperature (c) v dd = 14v v dd = 2v 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 -40 -25 -10 5 20 35 50 65 80 95 110 125 r on ( ) temperature (c) r on(h) r on(l) 6.6 6.8 7 7.2 7.4 7.6 7.8 8 8.2 -40 -25 -10 5 20 35 50 65 80 95 110 125 i vdd current (ma) temperature (c) v dd = 14v
? 2014 microchip technology inc. ds20005257b-page 7 mcp8063 note: unless otherwise indicated, t a =+25c, v dd = 14v, out1, 2, 3 and pwm open. figure 2-7: fg output pin low level voltage (i fg =-1ma). figure 2-8: pwm pull-up current vs. temperature. figure 2-9: typical output on start-up. figure 2-10: typical outputs on closed loop. figure 2-11: typical rotor lock situation. 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 -40 -25 -10 5 20 35 50 65 80 95 110 125 fg pin drive (v) temperature (c) v dd = 3.3v v dd = 2v -40 -35 -30 -25 -20 -15 -10 -5 0 -40 -25 -10 5 20 35 50 65 80 95 110 125 pwm pull-up current (a) temperature (c) v dd = 2v v dd = 14v
mcp8063 ds20005257b-page 6 ? 2014 microchip technology inc. 2.0 typical performance curves note: unless otherwise indicated, t a =+25c, v dd = 14v, out1, 2, 3 and pwm open. figure 2-1: oscillator frequency deviation vs. temperature. figure 2-2: internal regulated voltage (v bias ) vs. temperature. figure 2-3: input (pwm) v il vs. temperature. figure 2-4: input (pwm) v ih vs. temperature. figure 2-5: output r on resistance vs. temperature (v dd =3.3v). figure 2-6: supply current vs. temperature. note: the graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. the performance characteristics listed herein are not tested or guaranteed. in some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. -2 0 2 4 6 8 10 12 14 16 -40 -25 -10 5 20 35 50 65 80 95 110 125 oscillator frequency deviation (%) temperature (c) v dd = 14v v dd = 2v 0 0.5 1 1.5 2 2.5 3 3.5 -40 -25 -10 5 20 35 50 65 80 95 110 125 v bias (v) temperature (c) v dd = 2v v dd = 3.3v v dd = 14v 25 30 35 40 45 50 -40 -25 -10 5 20 35 50 65 80 95 110 125 pwm v il (% of v bias ) temperature (c) v dd = 14v v dd = 2v 50 55 60 65 70 75 -40 -25 -10 5 20 35 50 65 80 95 110 125 pwm v ih (% of v bias ) temperature (c) v dd = 14v v dd = 2v 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 -40 -25 -10 5 20 35 50 65 80 95 110 125 r on ( ) temperature (c) r on(h) r on(l) 6.6 6.8 7 7.2 7.4 7.6 7.8 8 8.2 -40 -25 -10 5 20 35 50 65 80 95 110 125 i vdd current (ma) temperature (c) v dd = 14v
? 2014 microchip technology inc. ds20005257b-page 9 mcp8063 4.0 functional description the mcp8063 device generates a full-wave signal to drive a 3-phase sensorless bldc motor. high efficiency and low power consumption are achieved due to dmos transistors and synchronous rectification drive type. the current carrying order of the output is as follows: out1 ? out2 ? out3. 4.1 speed control the rotational speed of the motor can be controlled either through the pwm digital input signal or by varying the power supply (v dd ). when the pwm signal is ?high? (or left open), the motor rotates at full speed. when the pwm signal is ?low?, the motor is stopped (and the driver outputs are set to high impedance). by changing the pwm duty cycle, the speed can be adjusted. notice that the pwm frequency has no special meaning for the motor speed and is asynchronous with the activation of the output transistors. thus, the user has maximum freedom to choose the pwm system frequency within a wide range (from 20 hz to 100 khz), while the output transistor activation always occurs at a fixed rate, which is outside the range of audible frequencies. the typical output frequency of mcp8063 is 23 khz. 4.2 frequency generator function the frequency generator output is a ?hall-sensor equivalent? digital output, giving information to an external controller about the speed and phase of the motor. the fg pin is an open-drain output, connecting to a logical voltage level through an external pull-up resistor. when a lock (or out-of-sync) situation is detected by the driver, this output is set to high impedance until the motor is restarted. leave the pin open when not used. the fg signal can be used to compute the motor speed in rotations per minute (rpm). typically, for a four-pole bldc fan (4p/6s), the speed in rpms is 30 x fg frequency (hz). equation 1-1: 4.3 lock-up protection and automatic restart if the motor is stopped (blocked) or if it loses synchronization with the driver, a lock-up protection circuit detects this situation and ties the outputs to gnd in order to dissipate the remaining energy from the rotor with a minimum of self heating. after a ?waiting time? (t wait ), the lock-up protection is released and normal operation resumes for a given time (t run ). in case the motor is still blocked, a new period of waiting time is started. t wait and t run timings are fixed internally, so that no external capacitor is needed. 4.4 overcurrent limitation the motor peak current is limited by the driver to a fixed value (defined internally), thus limiting the maximum power dissipation in the coils. 4.5 thermal shutdown the mcp8063 device has a thermal protection function which detects when the die temperature exceeds t sd = +170c. when this temperature is reached, the circuit enters thermal shutdown mode and the outputs out1, out2 and out3 are tied to gnd in order to dissipate the remaining energy from the rotor with a minimum of self-heating. once the junction temperature (t sd ) has dropped below +145c, the normal operation resumes (the thermal detection circuit has +25c hysteresis function). figure 4-1: thermal protection hysteresis. 4.6 internal voltage regulator v bias voltage is generated internally and is used to supply internal logical blocks. the v bias pin is used to connect an external decoupling capacitor (1 f or higher). notice that this pin is for ic internal use and is not designed to supply dc current to external blocks. 4.7 overvoltage shutdown the mcp8063 device has an overvoltage protection function which detects when the v dd voltage exceeds v ov = +18.5v. when this temperature is reached, the circuit enters thermal shutdown mode, and outputs out1, out2 and out3 are disabled (high impedance). fg 720 ? ps ? ? ? ----------------------- where: p= total number of poles in the motor s= total number of slots in the motor = rotor speed rpm t sd +145c thermal shutdown +170c normal operation
mcp8063 ds20005257b-page 10 ? 2014 microchip technology inc. 5.0 packaging information 5.1 package marking information legend: xx...x customer-specific information y year code (last digit of calendar year) yy year code (last 2 digits of calendar year) ww week code (week of january 1 is week ?01?) nnn alphanumeric traceability code pb-free jedec ? designator for matte tin (sn) * this package is pb-free. the pb-free jedec designator ( ) can be found on the outer packaging for this package. note : in the event the full microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. 3 e 3 e 8-lead dfn (4x4x0.9 mm) example yyww nnn xxxxxx xxxxxx pin 1 pin 1 8063 300emd 1442 256
? 2014 microchip technology inc. ds20005257b-page 11 mcp8063 8-lead plastic dual flat, no lead package (md) ? 4x4x0.9 mm body [dfn] note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging microchip technology drawing c04-131e sheet 1 of 2
mcp8063 ds20005257b-page 12 ? 2014 microchip technology inc. 8-lead plastic dual flat, no lead package (md) ? 4x4x0.9 mm body [dfn] note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging microchip technology drawing c04-131e sheet 2 of 2
? 2014 microchip technology inc. ds20005257b-page 13 mcp8063 note: for the most current package drawings, please see the microchip packaging specification located at http://www.microchip.com/packaging
mcp8063 ds20005257b-page 14 ? 2014 microchip technology inc. notes:
? 2014 microchip technology inc. ds20005257b-page 15 mcp8063 appendix a: revision history revision b (november 2014) the following is the list of modifications: 1. changed fg maximum output voltage values under absolute maximum ratings? section 2. changed power supply voltage value under absolute maximum ratings? section. 3. added input overvoltage value in electrical characteristics table. 4. minor typographical corrections. revision a (february 2014) ? original release of this document.
mcp8063 ds20005257b-page 16 ? 2014 microchip technology inc. notes:
? 2014 microchip technology inc. ds20005257b-page 17 mcp8063 product identification system to order or obtain information, e. g., on pricing or delivery, refer to the factory or the listed sales office . device: mcp8063: 3-phase bldc sinusoidal sensorless motor driver mcp8063t: 3-phase bldc sinusoidal sensorless motor driver (tape and reel) temperature range: e = -40c to +125c (extended) package: md = 8-lead plastic dual flat, no lead ? 4x4x0.9 mm body (dfn) examples: a) mcp8063-e/md: extended temperature, 8ld 4x4 dfn package b) mcp8063t-e/md: extended temperature, 8ld 4x4 dfn package, tape and reel part no. -x / x x package tube/tape and reel device x temperature range
mcp8063 ds20005257b-page 18 ? 2014 microchip technology inc. notes:
? 2014 microchip technology inc. ds20005257b-page 19 information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. it is your responsibility to ensure that your application meets with your specifications. microchip makes no representations or warranties of any kind whether express or implied, written or oral, statutory or otherwise, related to the information, including but not limited to its condition, quality, performance, merchantability or fitness for purpose . microchip disclaims all liability arising from this information and its use. use of microchip devices in life support and/or safety applications is entirely at the buyer?s risk, and the buyer agrees to defend, indemnify and hold harmless microchip from any and all damages, claims, suits, or expenses resulting from such use. no licenses are conveyed, implicitly or otherwise, under any microchip intellectual property rights. trademarks the microchip name and logo, the microchip logo, dspic, flashflex, flexpwr, jukeblox, k ee l oq , k ee l oq logo, kleer, lancheck, medialb, most, most logo, mplab, optolyzer, pic, picstart, pic 32 logo, righttouch, spynic, sst, sst logo, superflash and uni/o are registered trademarks of microchip tec hnology incorporated in the u.s.a. and other countries. the embedded control solutions company and mtouch are registered trademarks of microchip technology incorporated in the u.s.a. analog-for-the-digital age, bodycom, chipkit, chipkit logo, codeguard, dspicdem, dspicdem.net, ecan, in-circuit serial programming, icsp, inter-chip connectivity, kleernet, kleernet logo, miwi, mpasm, mpf, mplab certified logo, mplib, mplink, multitrak, netdetach, omniscient code generation, picdem, picdem.net, pickit, pictail, righttouch logo, real ice, sqi, serial quad i/o, total endurance, tsharc, usbcheck, varisense, viewspan, wiperlock, wireless dna, and zena are trademarks of microchip technology incorporated in the u.s.a. and other countries. sqtp is a service mark of microchip technology incorporated in the u.s.a. silicon storage technology is a registered trademark of microchip technology inc. in other countries. gestic is a registered trademar ks of microchip technology germany ii gmbh & co. kg, a subsidiary of microchip technology inc., in other countries. all other trademarks mentioned herein are property of their respective companies. ? 2014, microchip technology incorporated, printed in the u.s.a., all rights reserved. isbn: 978-1-63276-791-2 note the following details of the code protection feature on microchip devices: ? microchip products meet the specification cont ained in their particular microchip data sheet. ? microchip believes that its family of products is one of the most secure families of its kind on the market today, when used i n the intended manner and under normal conditions. ? there are dishonest and possibly illegal methods used to breach the code protection feature. all of these methods, to our knowledge, require using the microchip produc ts in a manner outside the operating specif ications contained in microchip?s data sheets. most likely, the person doing so is engaged in theft of intellectual property. ? microchip is willing to work with the customer who is concerned about the integrity of their code. ? neither microchip nor any other semiconduc tor manufacturer can guarantee the security of their code. code protection does not mean that we are guaranteeing the product as ?unbreakable.? code protection is constantly evolving. we at microchip are co mmitted to continuously improvin g the code protection features of our products. attempts to break microchip?s code protection feature may be a violation of the digital millennium copyright act. if such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that act. microchip received iso/ts-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in chandler and tempe, arizona; gresham, oregon and design centers in california and india. the company?s quality system processes and procedures are for its pic ? mcus and dspic ? dscs, k ee l oq ? code hopping devices, serial eeproms, microperipherals, nonvolatile memory and analog products. in addition, microchip?s quality system for the design and manufacture of development systems is iso 9001:2000 certified. quality management s ystem certified by dnv == iso/ts 16949 ==
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