diff --git a/library/dc-dc.dcm b/library/dc-dc.dcm
index cdbb1752..0a391ea5 100644
--- a/library/dc-dc.dcm
+++ b/library/dc-dc.dcm
@@ -1069,6 +1069,54 @@ K switching buck converter power-supply voltage regulator
 F http://ww1.microchip.com/downloads/en/DeviceDoc/20005255B.pdf
 $ENDCMP
 #
+$CMP MCP1640-CH
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM/PFM True Disconnect, SOT23
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640-MC
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM/PFM True Disconnect, DFN
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640B-CH
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM Only True Disconnect, SOT23
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640B-MC
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM Only True Disconnect, DFN
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640C-CH
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM/PFM Input to Output Bypass, SOT23
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640C-MC
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM/PFM Input to Output Bypass, DFN
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640D-CH
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM Only Input to Output Bypass, SOT23
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
+$CMP MCP1640D-MC
+D Synchronous Boost Regulator, Adjustable Output 2.0V-5.5V, PWM Only Input to Output Bypass, DFN
+K Step-Up Boost DC-DC Regulator Adjustable
+F http://ww1.microchip.com/downloads/en/DeviceDoc/20002234D.pdf
+$ENDCMP
+#
 $CMP MIC2177
 D Step-down switching regulator (synchronous)  2.5 A
 K REGUL POWER
diff --git a/library/dc-dc.lib b/library/dc-dc.lib
index e69bee15..aa031ff2 100644
--- a/library/dc-dc.lib
+++ b/library/dc-dc.lib
@@ -1619,6 +1619,53 @@ X Agnd 8 0 -400 100 U 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
+# MCP1640-CH
+#
+DEF MCP1640-CH U 0 40 Y Y 1 F N
+F0 "U" -300 425 50 H V L CNN
+F1 "MCP1640-CH" -300 350 50 H V L CNN
+F2 "TO_SOT_Packages_SMD:SOT-23-6" 0 -500 50 H I C CIN
+F3 "" -250 450 50 H V C CNN
+ALIAS MCP1640B-CH MCP1640C-CH MCP1640D-CH
+$FPLIST
+ SOT-23-6*
+$ENDFPLIST
+DRAW
+S -300 300 300 -300 0 1 10 f
+X SW 1 400 200 100 L 50 50 1 1 I
+X GND 2 0 -400 100 U 50 50 1 1 W
+X EN 3 -400 -100 100 R 50 50 1 1 I
+X VFB 4 400 -100 100 L 50 50 1 1 I
+X VOUT 5 400 0 100 L 50 50 1 1 w
+X VIN 6 -400 100 100 R 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# MCP1640-MC
+#
+DEF MCP1640-MC U 0 40 Y Y 1 F N
+F0 "U" -300 525 50 H V L CNN
+F1 "MCP1640-MC" -300 450 50 H V L CNN
+F2 "Housings_DFN_QFN:DFN-8-1EP_3x2mm_Pitch0.5mm" 0 -600 50 H I C CIN
+F3 "" -250 450 50 H V C CNN
+ALIAS MCP1640B-MC MCP1640C-MC MCP1640D-MC
+$FPLIST
+ DFN*1EP*3x2mm*Pitch0.5mm*
+$ENDFPLIST
+DRAW
+S -300 400 300 -400 0 1 10 f
+X VFB 1 400 -100 100 L 50 50 1 1 I
+X SGND 2 -100 -500 100 U 50 50 1 1 W
+X PGND 3 0 -500 100 U 50 50 1 1 W
+X EN 4 -400 -100 100 R 50 50 1 1 I
+X SW 5 400 300 100 L 50 50 1 1 I
+X VOUTP 6 400 0 100 L 50 50 1 1 w
+X VOUTS 7 400 100 100 L 50 50 1 1 w
+X VIN 8 -400 100 100 R 50 50 1 1 W
+X PAD 9 100 -500 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # MIC2177
 #
 DEF MIC2177 U 0 30 Y Y 1 F N