EV28164-D-00A High Efficiency Single Inductor Buck-Boost DC-DC Converter Evaluation Board The Future of Analog IC Technology DESCRIPTION FEATURES The EV28164-D-00A Evaluation Board is 1.8V minimum startup input voltage designed to demonstrate the capabilities of 1.2V to 5.5V input work range MPS MP28164. 4A switching current limit 2MHz switching frequency The MP28164 is a highly-efficient, low Selectable PSM / PWM mode. quiescent current Buck-Boost converter, which Typical 25 A Quiescent current operates from input voltage above, below and High efficiency up to 95%. equal to the output voltage. The device provides power solution for products powered Load disconnect during shutdown by a one-cell Lithium-Ion or multi-cell alkaline Internal soft start and compensation battery applications where the output voltage is Power good indicator within battery voltage range. Hiccup mode for SCP OTP,OVP The MP28164 operates with input voltage from small QFN-11(2mmx3mm) package 1.2V to 5.5V to provide adjustable output voltage (1.5V to 5V), and is available in QFN10- APPLICATIONS 3x3mm package. Battery-powered product ELECTRICAL SPECIFICATION Portable instruments Tablet PC Parameter Symbol Value Units Super-cap Charger Start-Up Voltage V 1.8-5.5 V ST All MPS parts are lead-free and adhere to the RoHS directive. For MPS green Operation Voltage V 1.2 5.5 V IN status, please visit MPS website under Products, Quality Assurance page. Output Voltage V 3.3 V OUT MPS and The Future of Analog IC Technology, are Registered Trademarks (1) of Monolithic Power Systems, Inc. Output Current I 0 2 A OUT Note 1): This board can support 2A load if VIN>2.4V, the load capability is lower when VIN<2.4V due to inductor peak current limit. EV28164-D-00A EVALUATION BOARD 100 95 90 85 80 75 70 65 60 55 (L W H) 5.08cm 5.08cm 1.3cm 50 0.001 0.01 0.1 1 10 Board Number MPS IC Number EV28164-D-00A MP28164GD EV28164-D-00A Rev.1.0 www.MonolithicPower.com 1 10/27/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2015 MPS. All Rights Reserved. EV28164-D-00AHIGH EFFICIENCY SINGLE INDUCTOR BUCK-BOOST DC-DC CONVERTER EVB EVALUATION BOARD SCHEMATIC EV28164-D-00A BILL OF MATERIALS Qty Ref Value Description Package Manufacturer Manufacturer P/N C1, C2A, 3 22 F Ceramic Cap,10V,X5R 0805 muRata GRM21BR61A226KE19L C2B 1 C3 1 F Ceramic Cap,10V,X7R 0603 muRata GRM188R71A105KA61D 1 JP1 Header, 3-Pin DI 1 L1 1 H 4.6mOhm, 19A inductor SMD Wurth 744311100 1 R1 560k Film Res., 1% 0603 Yageo RC0603FR-07560K 1 R2 100k Film Res., 1% 0603 Yageo RC0603FR-07100K 2 R3,R4 100k Film Res., 5% 0603 Yageo RC0603JR-07100K 1.8-5.5V, 2MHz,4A, QFN-11 1 U1 MP28164 MPS MP28164GD Buck-Boost Converter (2mmX3mm) EV28164-D-00A Rev.1.0 www.MonolithicPower.com 2 10/27/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2015 MPS. All Rights Reserved.