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The RT6190G is a 4-switch Buck-Boost controller designed for converting input voltage to output voltage that can be equal to, higher or lower than input voltage. The RT6190G operates with wide input voltage range from 4.5V to 36V, and the output voltage can be set from 3V to 36V by external FB pin.<br /><br />The RT6190G implements peak current mode control mechanism for smooth operating in Buck, Boost and Buck-Boost modes. It also features adjustable soft-start function through external SS pin. With an I<sup>2</sup>C compatible interface, the RT6190G supports many programmable functions including switching frequency, power path control, and CC output without modifying external current sense resistor. Moreover, the RT6190G integrates full protection such as input UVLO, overvoltage/undervoltage protection, cycle-by-cycle current limit, short protection, and over-temperature protection.<br /><br />The RT6190G is available in a WQFN-40L 5x5 package.<br /><br />The recommended junction temperature Range is -40°C to 125°C.
RT6190G Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Integrated Buck-Boost Controller: <ul class="lv2"> <li></li><li>Wide Input Voltage Range: 4.5V to 36V </li><li>Wide Output Voltage Range: 3V to 36V </li><li>Peak Current Mode Control </li></ul> </li><li>Adjustable Soft-Start Time </li><li>Power Good Indicator </li><li>Built-in Bleeders for Quick VOUT Discharge </li><li>I<sup>2</sup>C Compatible Interface <ul class="lv2"> <li></li><li>Programmable Switching Frequency (250kHz to 1MHz) </li><li>Selectable PSM (Default) and FCCM </li><li>AnyPower<sup>TM</sup> for Constant Current (in 9-Bit Resolution) Output Settings </li><li>Embedded 2<sup>nd</sup> OCP Function </li><li>Power Path Control </li></ul> </li><li>Full Protection with UVLO, OVP, UVP, OCP, Cycle-by-Cycle Current Limit and OTP </li><li>WQFN-40L 5x5 Package </li></ul></div>
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RT6190G Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Buck-Boost Bus Supply </li><li>Docking Station </li><li>USB Power Delivery </li></ul></div>
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