EV8046DF-00A high current, dual channel power half-bridge evaluation board EV8046DF-00A rev. 1.0 www.monolithicpower.com 1 12/20/2013 mps proprietary information. unauthorized photocopy and duplication prohibited. ? 2013 mps. all rights reserved. the future of analog ic technology general description the EV8046DF-00A is the evaluation board for the mp8046, a high current, dual channel power half-bridge. it accepts pwm modulated inputs for operation. the mp8046 features a low current shutdown mode, standby mode, input under voltage protection, thermal shutdown and fault flag signal output. each channel can be driven independently as stereo single-ended audio amplifiers, or driven complementary in a bridge- tied load (btl) audio amplifier configuration. both channels of the driver interface with standard logic signals. the mp8046 is available in a 20-pin tssop (with exposed pad) package. electrical spec ifications parameter symbol value units supply voltage v dd 7.5 ? 26 v peak output current i peak 5 a features ? 5a peak current output ? up to 600khz switching frequency ? protected integrated power 150m ? switches ? 30ns switch dead time ? all switches current limited ? under voltage protection ? thermal protection ? 4 a quiescent current at shutdown ? fault output flag ? stereo single-ended: 21w/channel, at v dd =26v, 4 ? load ? bridge tied-load output power: 43w, at v dd =26v, 8 ? load applications ? class d audio drivers ?mps? and ?the future of analog ic technology? are registered trademarks of monolithic power systems, inc. EV8046DF-00A evaluation board (l x w x h) 4.1? x 3.6? x 1.1? (10.2cm x 9.0cm x 2.8cm) board number mps ic number EV8046DF-00A mp8046df
EV8046DF-00A ? high current, dual channel power half-bridge EV8046DF-00A rev. 1.0 www.monolithicpower.com 2 12/20/2013 mps proprietary information. unauthorized photocopy and duplication prohibited. ? 2013 mps. all rights reserved. evaluation board schematic mp8046 u1 nc agnd1 pwm1 stby pwm2 fault shdwn agnd2 nc vdr2 vdr1 bst1 pgnd1 out1 vdd1 nc vdd2 out2 pgnd2 bst2 pwm1 gnd pwm2 nc gnd stdby gnd gnd shdwn nc fault 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 vcc vcc pull-up vdd cn1 cn2 out1 out2 gnd gnd gnd gnd pwm1 stdby shdwn fault vcc + vcc d4 d5 d7 d6 d2 1n4148 d1 4.7v d3 1n4148 c2 390pf sw2 sw1 bst1 bst2 out1 out2 c13 390pf EV8046DF-00A bill of materials qty refdes value description package manufacturer manufacturer p/n 1 c1 2200uf electrolytic cap., 35v, nhg radial panasonic eca-1vhg222 2 c2, c13 390pf ceramic cap, x7r, 50v 0805 panasonic ecu-v1h391kbn 2 c3, c4 1uf ceramic cap., 50v, x7r 1210 tdk c3225x7r1h105k 2 c5, c6 0.1uf ceramic cap., 50v, x7r 0805 tdk c2012x7r1h104k 2 c7, c8 0.1uf ceramic cap., 25v, x7r 1206 panasonic ecj-3vb1e104k 2 c9, c11 0.47uf cap., 50v, stack metal film radial panasonic ecq-v1h474jl 1 c10 1uf cap., 63v, stack metal film radial panasonic ecq-v1j105jm 1 c12 0.1uf ceramic cap., 16v, x7r 0603 tdk c1608x7r1c104k 2 cn1 banana jacks, red and black 2 cn2 2 red banana jacks 1 d1 diode zener, 4.7v, 200mw sod-323 diodes inc. bzt52c4v7s-7 2 d2, d3 diode switch, 75v, 200mw sod-323 diodes inc. 1n4148ws-7 diode schottky, 30v, 1a smb ir mbrs130ltr 4 d4, d5, d6, d7 diode schottky, 40v, 1a sma diodes inc. b140-13-f 2 l1, l2 10uh power inductor, 7a, 16rhbp radial toko 16rhbp-100m 1 r1 4.7k film res., 5% 0603 panasonic erj-3geyj472v 3 r2, r3, r4 100k film res., 5% 0603 panasonic erj-3geyj104v 2 r5, r6 10 ? ceramic res, 5% 0805 panasonic erj-6geyj100v 29 29-pins sip header, 0.1" keystone 5000 1 u1 class d amplifier tssop-20 mps mp8046df-r10
EV8046DF-00A ? high current, dual channel power half-bridge EV8046DF-00A rev. 1.0 www.monolithicpower.com 3 12/20/2013 mps proprietary information. unauthorized photocopy and duplication prohibited. ? 2013 mps. all rights reserved. printed circuit board layout figure 1?top silk layer figure 2? bottom silk layer
EV8046DF-00A ? high current, dual channel power half-bridge EV8046DF-00A rev. 1.0 www.monolithicpower.com 4 12/20/2013 mps proprietary information. unauthorized photocopy and duplication prohibited. ? 2013 mps. all rights reserved. quick start guide the EV8046DF-00A comes pre-configured to operate as a btl (bridge-tied load) audio power driver, where a complementary pwm modulated audio signal (pwm and pwm ) is used an input, and music is played to a speaker connected to the output. for btl operation, follow the steps in the quick start guide for btl operation section. for single-ended operation, make modifications and follow the steps as described in the quick start guide for single-ended operation section. quick start guide for btl (bridge-tied load) operation input/output requirements 1. power supply: 7.5v to 26v. 2. complementary pwm signal source (pwm, pwm ). 3. speaker load: 8 ? . setup condition for operation 4. connect the speaker between spk_out1 and spk_out2 terminals. 5. connect a pwm signal source to pwm1 and the complementary signal source pwm to pwm2, respectively. use the gnd terminal between pwm1 and pwm2 as the ground connection for the pwm inputs. 6. apply power to the board. 7. audio should be heard through the speaker. quick start guide for se (single-ended) operation input/output requirements 1. power supply: 7.5v to 26v.stereo pwm signal source. 2. two speaker loads: 4 ? or 8 ? each. setup condition for operation 3. remove c10 and connect the speakers as shown in figure 3. 4. connect the stereo pwm signal source to the ev board. connect channel 1 to pwm1 and channel 2 to pwm2, respectively. use the gnd terminals between pwm1 and pwm2 as the ground connections for the pwm inputs. 5. apply power to the board. 6. audio should be heard through the speakers.
EV8046DF-00A ? high current, dual channel power half-bridge notice: the information in this document is subject to change without notice. please contact mps for current specifications. users should warrant and guarantee that third party intellectual property rights are not infringed upon when integrating mps products into any application. mps will not assume any legal responsibility for any said applications. EV8046DF-00A rev. 1.0 www.monolithicpower.com 5 12/20/2013 mps proprietary information. unauthorized photocopy and duplication prohibited. ? 2013 mps. all rights reserved. EV8046DF-00A pwm1 gnd pwm2 pwm audio signal spk_out1 spk_out2 v dd v dd left pwm right pwm figure 3?setup for single-ended operation
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