diff --git a/library/dc-dc.dcm b/library/dc-dc.dcm
index 69db9db9..21b28f00 100644
--- a/library/dc-dc.dcm
+++ b/library/dc-dc.dcm
@@ -1269,6 +1269,24 @@ K boost controller
 F http://ww1.microchip.com/downloads/en/DeviceDoc/21876B.pdf
 $ENDCMP
 #
+$CMP MCP1651
+D 750 kHz Boost Controller from 3.3V up to 100V, 5W.
+K boost controller
+F http://ww1.microchip.com/downloads/en/DeviceDoc/21876B.pdf
+$ENDCMP
+#
+$CMP MCP1652
+D 750 kHz Boost Controller from 3.3V up to 100V, 5W.
+K boost controller
+F http://ww1.microchip.com/downloads/en/DeviceDoc/21876B.pdf
+$ENDCMP
+#
+$CMP MCP1653
+D 750 kHz Boost Controller from 3.3V up to 100V, 5W.
+K boost controller
+F http://ww1.microchip.com/downloads/en/DeviceDoc/21876B.pdf
+$ENDCMP
+#
 $CMP MIC2177
 D Step-down switching regulator (synchronous)  2.5 A
 K REGUL POWER
diff --git a/library/dc-dc.lib b/library/dc-dc.lib
index 276fd91d..79587b9f 100644
--- a/library/dc-dc.lib
+++ b/library/dc-dc.lib
@@ -1899,6 +1899,77 @@ X Vin 8 0 300 100 D 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# MCP1651
+#
+DEF MCP1651 U 0 40 Y Y 1 F N
+F0 "U" -250 350 50 H V C CNN
+F1 "MCP1651" -250 -250 50 H V C CNN
+F2 "Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm" 0 -350 50 H I C CNN
+F3 "" 0 -500 50 H I C CNN
+$FPLIST
+ MSOP*3x3mm*Pitch0.65mm*
+$ENDFPLIST
+DRAW
+S -300 300 300 -200 0 1 10 f
+X EXT 1 400 200 100 L 50 50 1 1 E
+X GND 2 0 -300 100 U 50 50 1 1 W
+X CS 3 -400 100 100 R 50 50 1 1 I
+X FB 4 -400 200 100 R 50 50 1 1 I
+X ~SHDN 5 -400 0 100 R 50 50 1 1 I
+X LBI 6 -400 -100 100 R 50 50 1 1 I
+X ~LBO 7 400 100 100 L 50 50 1 1 E
+X Vin 8 0 400 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# MCP1652
+#
+DEF MCP1652 U 0 40 Y Y 1 F N
+F0 "U" -250 250 50 H V C CNN
+F1 "MCP1652" -250 -250 50 H V C CNN
+F2 "Housings_SSOP:MSOP-8_3x3mm_Pitch0.65mm" 0 -350 50 H I C CNN
+F3 "" 0 -500 50 H I C CNN
+$FPLIST
+ MSOP*3x3mm*Pitch0.65mm*
+$ENDFPLIST
+DRAW
+S -300 200 300 -200 0 1 10 f
+X EXT 1 400 100 100 L 50 50 1 1 E
+X GND 2 0 -300 100 U 50 50 1 1 W
+X CS 3 -400 0 100 R 50 50 1 1 I
+X FB 4 -400 100 100 R 50 50 1 1 I
+X ~SHDN 5 -400 -100 100 R 50 50 1 1 I
+X NC 6 400 -100 100 L 50 50 1 1 N N
+X PG 7 400 0 100 L 50 50 1 1 E
+X Vin 8 0 300 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# MCP1653
+#
+DEF MCP1653 U 0 40 Y Y 1 F N
+F0 "U" -250 350 50 H V C CNN
+F1 "MCP1653" -250 -250 50 H V C CNN
+F2 "Housings_SSOP:MSOP-10_3x3mm_Pitch0.5mm" 0 -350 50 H I C CNN
+F3 "" 0 -500 50 H I C CNN
+$FPLIST
+ MSOP*3x3mm*Pitch0.5mm*
+$ENDFPLIST
+DRAW
+S -300 300 300 -200 0 1 10 f
+X EXT 1 400 200 100 L 50 50 1 1 E
+X GND 2 0 -300 100 U 50 50 1 1 W
+X CS 3 -400 100 100 R 50 50 1 1 I
+X FB 4 -400 200 100 R 50 50 1 1 I
+X NC 5 400 -100 100 L 50 50 1 1 N N
+X ~SHDN 6 -400 0 100 R 50 50 1 1 I
+X LBI 7 -400 -100 100 R 50 50 1 1 I
+X ~LBO 8 400 0 100 L 50 50 1 1 E
+X PG 9 400 100 100 L 50 50 1 1 O
+X Vin 10 0 400 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # MIC2177
 #
 DEF MIC2177 U 0 30 Y Y 1 F N