diff --git a/phosphor-power-sequencer/src/ucd90320_monitor.hpp b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
new file mode 100644
index 0000000..9512190
--- /dev/null
+++ b/phosphor-power-sequencer/src/ucd90320_monitor.hpp
@@ -0,0 +1,47 @@
+#pragma once
+
+#include "pmbus.hpp"
+#include "power_sequencer_monitor.hpp"
+
+#include <sdbusplus/bus.hpp>
+
+namespace phosphor::power::sequencer
+{
+
+/**
+ * @class UCD90320Monitor
+ * This class implements fault analysis for the UCD90320
+ * power sequencer device.
+ */
+class UCD90320Monitor : public PowerSequencerMonitor
+{
+  public:
+    UCD90320Monitor() = delete;
+    UCD90320Monitor(const UCD90320Monitor&) = delete;
+    UCD90320Monitor& operator=(const UCD90320Monitor&) = delete;
+    UCD90320Monitor(UCD90320Monitor&&) = delete;
+    UCD90320Monitor& operator=(UCD90320Monitor&&) = delete;
+    virtual ~UCD90320Monitor() = default;
+
+    /**
+     * Create a device object for UCD90320 monitoring.
+     * @param[in] bus D-Bus bus object
+     * @param[in] i2cBus The bus number of the power sequencer device
+     * @param[in] i2cAddress The I2C address of the power sequencer device
+     */
+    UCD90320Monitor(sdbusplus::bus::bus& bus, std::uint8_t i2cBus,
+                    const std::uint16_t i2cAddress);
+
+  private:
+    /**
+     * The D-Bus bus object
+     */
+    sdbusplus::bus::bus& bus;
+
+    /**
+     * The read/write interface to this hardware
+     */
+    pmbus::PMBus interface;
+};
+
+} // namespace phosphor::power::sequencer