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The RTQ5162 is an integrated power management IC designed for DDR5 SODIMM, UDIMM, CSODIMM, and CUDIMM applications. This device provides three buck converters (SWA, SWB, and SWC) and two LDOs (VLDO_1.0V and VLDO_1.8V). The voltage regulators, SWA and SWB can operate in either single-phase or dual-phase mode. Additionally, the RTQ5162 supports a selectable interface (I<sup>2</sup>C or I3C Basic) to accommodate various application environments. A comprehensive protection mechanism is embedded to ensure safe power distribution, with the capability to record fault events in registers and signal them through the PWR_GOOD and GSI_n open-drain indicators. The RTQ5162 is available in a WQFN-28L 3x4 (FC) package. The recommended junction temperature range is from -40°C to 125°C.
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<div class="spec-list"><ul class="lv1"><li>Meet JEDEC DDR5 PMIC5120 Specification </li><li>VIN_Bulk with Input Supply Range: 4.25V to 5.5V </li><li>High Integration: - Three High Efficiency Buck Converters: - SWA: I<sub>TDC</sub> = 6 A, IMAX = 8.5 A - SWB: I<sub>TDC</sub> = 6 A, IMAX = 8.5 A - SWC: I<sub>TDC</sub> = 2 A, IMAX = 3 A - Two LDOs: - VLDO_1.8V: I<sub>MAX</sub> = 25mA - VLDO_1.0V: I<sub>MAX</sub> = 20mA </li><li>Programmable Dual-Phase and Single-Phase Regulators for SWA and SWB </li><li>0.75% Converter Output Accuracy </li><li>Fast Transient Response with A<sup>2</sup>RCOT Control </li><li>Support I<sup>2</sup>C and I3C Basic Interfaces </li><li>Error Log Counter and Data Storage (NVM) </li><li>MTP Registers with Secured R/W Access </li><li>Programmable DIMM Specific Registers for Customization </li><li>Programmable Mode for Debug and Validation </li><li>Telemetry for Output Current, Voltage, and Power </li><li>Complete Protection Mechanisms - VIN_Bulk Input Supply UVP and OVP - OVP, UVP, OCP, and HCW for Each Rail - High-Temperature Warning and OTP </li><li>General Status Interrupt Function </li><li>Power-Good Indicator </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>DDR5 SODIMM, UDIMM </li><li>DDR5 CSODIMM, CUDIMM </li></ul></div>
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