Add TC74 temperature sensor (#7460)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/tc74/sensor.py

@@ -0,0 +1,32 @@
+import esphome.codegen as cg
+from esphome.components import i2c, sensor
+import esphome.config_validation as cv
+from esphome.const import (
+    DEVICE_CLASS_TEMPERATURE,
+    STATE_CLASS_MEASUREMENT,
+    UNIT_CELSIUS,
+)
+
+CODEOWNERS = ["@sethgirvan"]
+DEPENDENCIES = ["i2c"]
+
+tc74_ns = cg.esphome_ns.namespace("tc74")
+TC74Component = tc74_ns.class_("TC74Component", cg.PollingComponent, i2c.I2CDevice)
+
+CONFIG_SCHEMA = (
+    sensor.sensor_schema(
+        TC74Component,
+        unit_of_measurement=UNIT_CELSIUS,
+        accuracy_decimals=1,
+        device_class=DEVICE_CLASS_TEMPERATURE,
+        state_class=STATE_CLASS_MEASUREMENT,
+    )
+    .extend(cv.polling_component_schema("60s"))
+    .extend(i2c.i2c_device_schema(0x48))
+)
+
+
+async def to_code(config):
+    var = await sensor.new_sensor(config)
+    await cg.register_component(var, config)
+    await i2c.register_i2c_device(var, config)