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The RT5016C is a complete power supply solution for digital still cameras and other hand held devices. The RT5016C is composed of a multi-channel DC-DC power converter unit, a single-cell linear Li-ion battery charger, a charger type detector, and an I<sup>2</sup>C control interface. <p align="justify">The power converter unit includes one synchronous step-up converter (CH1), one synchronous step-up/down converter (CH2), three synchronous step-down converters (CH3/4/5), two LDOs with input power as low as 1.5V (CH6/8), one WLED driver in synchronous high-voltage step-up mode or low-voltage current regulator mode (CH7), and a keep-alive LDO (CH9) for RTC application. All converters are internally frequency compensated and integrate power MOSFETs. The power converter unit provides complete protection functions : over-current, thermal shutdown, over-voltage, and under-voltage protection. The RT5016C has a WAKEUP impulse generation circuitry to monitor VIN or BAT installation event. To fulfill most of applications, the RT5016C has six preset power-on/off sequences. </p><p align="justify">The battery charger includes Auto Power Path Management (APPM). No external MOSFETs are required. The charger can enter sleep mode when power is removed. Charging tasks are optimized by using a control algorithm to vary the charge rate, including pre-charge mode, fast charge mode and constant voltage mode. The charge current can also be programmed via the I<sup>2</sup>C control interface. The battery regulation voltage and current can be adjusted by JEITA standard temperature control or other schemes set via the I<sup>2</sup>C interface. The internal thermal feedback circuitry regulates the die temperature to optimize the charge rate for all ambient temperatures. The charging task will always be terminated in constant-voltage mode when the charging current reduces to the termination current of 10% x I<sub>CHG_FAST</sub>. The charger includes under-voltage and over-voltage protection for the supply input voltage, VIN. The charger includes USB charger detection circuitry via D+ and D- pins of USB interface to detect USB standard downstream ports (SDP), dedicated charger port (DCP), or Apple/Sony charger ports. RT5016C uses some indicators to show charger states : two open drain ports <span class="overline">CHG</span> and <span class="overline">CHG2</span>, and an interrupt (<span class="overline">INT</span>) to immediately notify the state change. </p><p align="justify">The RT5016C has I<sup>2</sup>C interface to control rich functions of Power Converter Unit and Charger Unit, and is available in the WQFN-40L 5x5 package. </p>
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<li class="mv5"> Power Converter Unit <br /></li><li class="mv5"> CH1 LV Sync Step-Up<br />► Support Up to 1A Loading, DVS (Dynamic Voltage Scaling), Load-Disconnect, Up to 95% Efficiency, PSM/PWM Selectable<br /></li><li class="mv5"> CH2 LV Sync Step-Up/Down<br />► Support Up to 1A Loading, DVS, Up to 95% Efficiency, PSM/PWM Selectable<br /></li><li class="mv5"> CH3/4 LV Sync Step-Down<br />► Support Up to 3A (CH3) / 2A (CH4) Loading, DVS, Up to 95% Efficiency, 100% (MAX) Duty Cycle, PSM/ PWM Selectable<br /></li><li class="mv5"> CH5 LV Sync Step-Down<br />► Support Up to 0.6A Loading, Up to 95% Efficiency, 100% (MAX) Duty Cycle<br />► Output Voltage can be Selected from Preset List or Set by External Feedback Network<br /></li><li class="mv5"> CH6 Low Input Power LDO<br />► V<sub>IN</sub> Range 1.5V to 5.5V<br />► Output Voltage Level Selectable in I<sup>2</sup>C Register<br /></li><li class="mv5"> CH7 WLED Driver in Either Sync Step-Up Operation or Current Regulator Operation<br />► Step-Up Mode with LED Open Protection (OVP7 16V or 25V, Selectable in I<sup>2</sup>C Register)<br />► Step-Up Mode Support Series 2 to 6 WLED and Load Disconnect Function<br />► Current Regulator Mode for 1 WLED<br />► 31 WLED Dimming Levels<br />► Automatic Mode Selection by External Circuit Topology<br /></li><li class="mv5"> CH8 Generic LDO <br />► V<sub>IN</sub> Range 1.5V to 5.5V<br />► Output Voltage Level Selectable in I<sup>2</sup>C Register<br /></li><li class="mv5"> CH9 Low Quiescent LDO with Reverse Leakage Prevention for RTC Power Supply<br />► Fixed 3.05V Output<br /></li><li class="mv5"> Six Preset Power On/Off Sequences by One Pin SEQ<br />► SEQ # 0 : CH2→ CH3 →CH4<br />► SEQ # 1 : CH1→ CH3→ CH2→ CH4<br />► SEQ # 2 : CH1 →CH3 →CH4 →CH2<br />► SEQ # 3 : CH1→ CH2 →CH4 →CH3<br />► SEQ # 4 : CH1→ CH4→ CH3→ CH2<br />► SEQ # 5 : CH1→ CH4→ CH2→ CH3<br /></li><li class="mv5"> All Power Switches Integrated with Internal Compensation<br /></li><li class="mv5"> Discharge Output of Every Channel when Turning Off<br /></li><li class="mv5"> Wake Up Impulse to Monitor BAT and VIN Plug-In<br /></li><li class="mv5"> Fixed 2MHz Switching Frequency for CH1/3/4/5, Fixed 1MHz Switching Frequency for CH2/7<br />Charger Unit<br /></li><li class="mv5"> 28V Maximum Rating for V<sub>IN</sub> Power<br /></li><li class="mv5"> Selectable Power Input Current Limit (0.1A / 0.5A / 1A / 1.5A)<br /></li><li class="mv5"> Auto Power Path Management (APPM) with Integrated Power MOSFETs<br /></li><li class="mv5"> Battery Charging Current Control and Regulation Voltage Control<br /></li><li class="mv5"> Programmable Charging Current and Safe Charge Timer<br /></li><li class="mv5"> Optimized Charge Rate via Thermal Feedback<br /></li><li class="mv5"> Under-Voltage Protection, Over-Voltage Protection<br /></li><li class="mv5"> Charger Status and VIN Power GOOD Indicators<br /></li><li class="mv5"> Interrupt Indicator to JEITA Temperature/Fault/Status Events when PMU is Enabled<br />► Battery Temperature Events <br />► Battery Removing Event<br />► Charger in Thermal Regulation Control<br />► Safety Timer Timeout<br />► End of Charging<br />► VIN Power Good<br />► VIN < DPM Threshold 4.35V<br />► Charger Type Detection Finishing<br /></li><li class="mv5"> Charger Type Detection<br />► Dedicated Charger : Support Apple and Sony Charger<br />► Secondary Charger Detection to Distinguish DCP<br /></li><li class="mv5"> I<sup>2</sup>C Control Interface : Support Fast Mode up to 400kb/s<br /></li><li class="mv5"> RoHS Compliant and Halogen Free</li>
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<li class="mv5"> DSC Power Supply System<br /></li><li class="mv5"> CMOS-Sensor DV<br /></li><li class="mv5"> Portable Instruments</li>
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