EV8049S-U-00A Monolithic Power Systems

EV8049S-U-00A 24V 5.5A Quad Channel Power Half-Bridge Evaluation Board The Future of Analog IC Technology GENERAL DESCRIPTION FEATURES The EV8049S-U-00A is the evaluation board for 5V to 26V VDD the MP8049S, a high current, quad channel 5.5A Peak Current Output power half-bridge. It accepts PWM modulated Up to 1MHz Switching Frequency inputs for operation that that can be configured Protected Integrated Power 0.14 Switches as the stereo BTL output stage of a Class-D 10ns Switch Dead Time audio amplifier. All Switches Current Limited The MP8049S features a low current shutdown Internal Under Voltage Protection mode, standby mode, input under voltage Internal Thermal Protection protection, current limit, thermal shutdown and Short-circuit Protection fault flag signal output. All channels of drivers Fault Output Flag interface with standard logic signals. Bridge Tied Load Output Power: 37W/Channel at 24V, 8 Applications The MP8049S is available in a 40 lead QFN 5X5 package. APPLICATIONS ELECTRICAL SPECIFICATIONS Flat TV Parameter Symbol Value Units Home Theaters DVD Receivers Supply Voltage V 5 26 V DD All MPS parts are lead-free and adhere to the RoHS directive. For MPS green Peak Output Current I 5.5 A PEAK status, please visit MPS website under Products, Quality Assurance page. MPS and The Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. EV8049S-U-00A EVALUATION BOARD 20 10 5 2 1 0.5 0.2 0.1 0.05 (L x W x H) 4.0 x 3.3 x 1.32 0.02 (10.2cm x 8.4cm x 3.4cm) 40 Board Number MPS IC Number EV8049S-U-00A MP8049SDU EV8049-U-00A Rev. 1.0 www.MonolithicPower.com 1 10/30/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2012 MPS. All Rights Reserved. EV8049S-U-00A HIGH CURRENT, DUAL CHANNEL POWER HALF-BRIDGE EVALUATION BOARD SCHEMATIC CN1 VDD VDD GND PGND FB1 VDD VDD1 C3 VDD C1 35V 50V SW1A R1 4.7k L1 CN2 PGND SW1 OUT1 PULL-UP C5 R2 SPK OUT1A C6 GND 10 SPK OUT1A D1 C8 4.7V 50V PGND C7 SPK OUT1B AGND SW1B 390pF L2 PGND SPK OUT1B SW2 OUT2 C11 D4 PGND R3 IN4148 C9 10 R4 R5 R6 R10 R9 C12 100k 100k 100k 100k PGND C10 390pF PWM1A PWM1B PGND 11 40 1 N/C PGND1B PGND VDR1 VDR2 D2 12 39 PWM1A PWM1A PGND1B 1N4148 13 38 GND AGND PWM1B BST1B U1 14 37 PWM1B FAULTB VDR1 15 36 NC SHDNB AGND MP8049S 16 35 FAULT PWM2A AGND PGND C13 17 34 NC STBYB VDR2 18 33 PWM2A PWM2B /STDBY SHDWN PWM2B BST2A C14 PGND 19 32 GND AGND FLT3B PGND2A 20 31 NC FLT2B PGND2A PGND D3 PGND PWM2A IN4148 GND AGND NC STDBY GND C16 AGND D5 C15 PGND NC 1N4148 PWM2B SW2A CN3 GND AGND L3 FLT3 C17 NC R7 SPK OUT2A 10 SPK OUT2A FLT2 C19 20 PGND C18 SW2B SPK OUT2B 390pF L4 PGND SPK OUT2B R8 C20 FB2 10 VDD VDD2 PGND C21 390pF C4 C2 PGND 35V 50V AGND PGND PGND EV8049-U-00A Rev. 1.0 www.MonolithicPower.com 2 10/30/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2012 MPS. All Rights Reserved. 21 10 BST2B BST1A 22 9 PGND2B PGND1A 23 8 PGND2B PGND1A 24 7 SW2B SW1A 25 6 SW2B SW1A 26 5 VSP2 VSP1 27 4 VSP2 VSP1 28 3 VSP2 VSP1 29 2 SW2A SW1B 30 1 SW2A SW1B