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SLGC55544C Datasheet(PDF) 1 Page - Dialog Semiconductor |
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SLGC55544C Datasheet(HTML) 1 Page - Dialog Semiconductor |
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1 / 20 page  Silego Technology, Inc. Rev 1.05 000-000C55544C-105 Revised September 29, 2017 USB Charging Port Power Switch and Controller SLGC55544C Block Diagram General Description Silego is a combination of current-limited USB port power switch with a USB 2.0 high-speed data line (D+/D-) switch and USB charging port identification circuit. Applications in- clude notebook PCs and other intelligent USB host devices. The wide bandwidth (2.6 GHz) data-line switch also features low capacitance and low on resistance, allowing signals to pass with minimum edge and phase distortion. The SLGC55544C monitors D+ and D-, providing the correct hand-shaking protocol with compliant client devices. Features • Meets Battery Charging Specification BC1.2 for DCP and CDP • Meets Chinese Telecommunications Industry Standard YD/T 1591-2009 • Supports Non-BC 1.2 charging modes via Automatic se- lection - DM/DP Divider Modes 2.7V/2.0V (1A) & 2.0V/2.7V (2A) - DM/DP 1.2V Mode • Support Smart-CDP function - Automatic CDP/SDP mode support for Always data Communication • Compatible with USB 2.0/3.0 power switch requirements • 73 m Ω (typ) high side MOSFET • Adjustable Current Limit up to 3.0 A (typ) • Dynamic level detect circuit for inrush current • Pb-Free / RoHS Compliant • Halogen-Free • TQFN-16 Package / MSL-1 • UL Listed and CB File No. E468659 Pin Configuration Applications • USB Ports/Hubs • Notebook PCs • Universal Wall Charging Adapter 16-pin TQFN NC DP_IN DM_IN SLGC55544C 9 11 10 1 2 3 DP_OUT DM_OUT VIN GND 4 ILIM_SEL VOUT 12 (Top View) DP_IN DM_IN EN FAULT# DP_OUT DM_OUT VIN ILIM_SEL VOUT Power Switch Control Circuitry CTL1 Charge Logic CTL3 CTL2 Charging Downstream Port Mode BC Divider Mode BC 1.2 DCP Mode / 1.2 V Mode Dedicated Sense Host Sense Charge Mode Select Shorted/Divider Mode Switch High Band- width Switch Auto Discharge Current Limit Switch ILIM_L ILIM_H Dynamic Level Detect Circuit |
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