MCP164GX1000 Evaluation Board

• Input Voltage: 2.7V to 5.5V

• Eight 1.5A Buck DC-DC Channels

• Four 300 mA High-Accuracy LDOs

• One High-Accuracy, High-PSRR LDO Controller Using External N-channel MOSFET(Q1)

• Output Voltage of 1V for Paralleled Bucks 1-2 and Current Capability of up to 3A (VDD Core Supply)

• Output Voltage of 3.3V for Buck 3 and Current Capability up to 1.5A (VDDIx GPIO Banks Supply)

• Output Voltage of 1.2V for Buck 5 and Current Capability of 1.5A (VDDIODDR (VDDI6) and Memory IO’s

Supply)

• Output Voltage of 1.8V for Buck 6 and Current Capability of 1.5A (VDD18 and VDDIx_1.8 Supply)

• Output Voltage of 2.5V for LDO 2 and Current Capability of 0.3A (VDD25, VDDA25, VDD_XCVR_CLK and DDR4

Core Supply)

• All other regulators available on the board are optional and turned off by default (Buck 4, Buck 7, Buck 8,

LDO 1, LDO 3, LDO 4 and the LDO Controller)

• 100% Duty Cycle Capability of Buck Channels

• Reference Ground (REFGND) is Routed to Bucks 1-2 for an Improved Accuracy of the Output Voltage

• Low-Noise Forced-PWM and Light-Load High-efficiency Mode Available (Pin-selectable or Bit Control)

• External Synchronization of Switching Frequency; this Feature can be Active or Disabled in Registry

• Selectable Phase (0°, 90°, 180° or 270°) for Buck Channels

• Global RESET (nRSTO_A) with Programmable De-Assertion Delay

• User-Defined RESET (nRSTO_P) with Programmable De-Assertion Delay

• 1 MHz MCP2221 I2C Interface; the PMIC has a Maximum of 3.4 MHz Frequency

• Dedicated VDD Supply Pin for NVM and Interface Allows Programming without Powering Up the Application

• Re-Configurable During Runtime

• Hiccup-Mode Current Limit for Buck Channels (can be Disabled)

• Programmable Thermal early warning and thermal shutdown protection

• LED Visual Indicator for the nINTO Pin (Interrupt Flag) with Selectable Interrupt Masking for Each Channel

• On-Board Load Transient Generator for VOUT12 and LDOC_OUT

• USB-C Connector for Easy Connection with Host PC

• General Purpose Output (GPO)