deprecate old led driver

Author: ducky64

edg/abstract_parts/AbstractLedDriver.py

@@ -1,4 +1,5 @@
 from ..abstract_parts import *
+from deprecated import deprecated
 
 
 @abstract_block
@@ -18,6 +19,7 @@ def __init__(self, max_current: RangeLike):
         self.max_current = self.ArgParameter(max_current)
 
 
+@deprecated("ripple should be an internal parameter")
 class LedDriverSwitchingConverter(BlockInterfaceMixin[LedDriver]):
     """LED driver mixin indicating that the LED driver is a switching converter and with a peak-peak ripple limit."""
     @init_in_parent

edg/parts/LedDriver_Al8861.py

@@ -64,6 +64,7 @@ def __init__(self, diode_voltage_drop: RangeLike = Range.all()):
     def generate(self):
         super().contents()
 
+        # TODO replace with BuckConverterPowerPath, though the 33uH minimum inductance is very high
         self.require(self.max_current.within((0, 1.5)*Amp))  # for MSOP and SOT89 packages
 
         isense_ref = Range(0.096, 0.104)