diff --git a/TripwireHook.dcm b/TripwireHook.dcm
index 7b340641e8f99babb31ef95bd75580b2ee1337f4..52d28c1722c0a214155639b851d77f407642804e 100644
--- a/TripwireHook.dcm
+++ b/TripwireHook.dcm
@@ -4,6 +4,11 @@ $CMP AP3211
 D 1.5A fixed-frequency 1.4MHz adjustable  step-down; Input 4.5V - 18V; Output 0.81V - 15V
 $ENDCMP
 #
+$CMP RT7272B
+D 3A, 36V, 500kHz Synchronous Step-Down Converter
+F https://www.richtek.com/assets/product_file/RT7272B/DS7272B-05.pdf
+$ENDCMP
+#
 $CMP WS2812D-F8
 D RGB LED with integrated controller
 K RGB LED NeoPixel addressable
diff --git a/TripwireHook.lib b/TripwireHook.lib
index 2a3b2be0825fb3617f582e40c870e33d5be462aa..b15c08623fa4cb1ddd19eaad8f3e4a92d25cb3c5 100644
--- a/TripwireHook.lib
+++ b/TripwireHook.lib
@@ -97,7 +97,7 @@ F1 "AP3211" 0 200 50 H V C CNN
 F2 "Package_TO_SOT_SMD:SOT-23-6_Handsoldering" 950 -300 50 H I C CNN
 F3 "" -100 -150 50 H I C CNN
 DRAW
-S -250 250 250 -250 0 1 0 N
+S -250 250 250 -250 0 1 0 f
 X BS 1 350 100 100 L 50 50 1 1 I
 X GND 2 0 -350 100 U 50 50 1 1 W
 X FB 3 350 -100 100 L 50 50 1 1 I
@@ -541,6 +541,27 @@ X Vin 5 450 100 100 L 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# RT7272B
+#
+DEF RT7272B U 0 40 Y Y 1 F N
+F0 "U" 0 350 50 H V C CNN
+F1 "RT7272B" 0 250 50 H V C CNN
+F2 "TripwireHook:SSOP-8_3.9x5.05mm_P1.27mm_Thermal" 1050 -300 50 H I C CNN
+F3 "" -100 -350 50 H I C CNN
+DRAW
+S -300 300 300 -250 0 1 0 f
+X SW 1 400 50 100 L 50 50 1 1 B
+X BOOT 2 400 150 100 L 50 50 1 1 I
+X EN 3 -400 50 100 R 50 50 1 1 I
+X GND 4 -400 -150 100 R 50 50 1 1 W
+X FB 5 400 -50 100 L 50 50 1 1 I
+X COMP 6 400 -150 100 L 50 50 1 1 I
+X RLIM 7 -400 -50 100 R 50 50 1 1 I
+X Vin 8 -400 150 100 R 50 50 1 1 W
+X GND EP 0 -350 100 U 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # SSP6206
 #
 DEF SSP6206 U 0 40 Y Y 1 F N