diff --git a/library/battery_management.dcm b/library/battery_management.dcm
index 7b5d625b..6ca161e1 100644
--- a/library/battery_management.dcm
+++ b/library/battery_management.dcm
@@ -36,10 +36,10 @@ K lithium battery
 F http://www.ti.com/lit/ds/symlink/bq78350.pdf
 $ENDCMP
 #
-$CMP LTC4001
-D Single cell (4.2V) programmable synchronous buck Li-Ion charger, 2A, 5.5V input
-K Li-Ion charger
-F http://cds.linear.com/docs/en/datasheet/4001f.pdf
+$CMP DS2745U
+D Current-flow, voltage and temperature  measurement to support batterycapacity monitoring, 2.5V to 4.5V VDD, -40 to +85 degree Celcius, TSSOP-8
+K Current-flow, voltage and temperature  measurement to support batterycapacity monitoring, 2.5V to 4.5V VDD, -40 to +85 degree Celcius, TSSOP-8
+F https://datasheets.maximintegrated.com/en/ds/DS2745.pdf
 $ENDCMP
 #
 $CMP LTC4001-1
diff --git a/library/battery_management.lib b/library/battery_management.lib
index 000b4f75..d2363aa1 100644
--- a/library/battery_management.lib
+++ b/library/battery_management.lib
@@ -237,6 +237,29 @@ X ADREN 29 900 -200 200 L 50 50 1 1 O
 ENDDRAW
 ENDDEF
 #
+# DS2745U
+#
+DEF DS2745U U 0 40 Y Y 1 F N
+F0 "U" -240 260 50 H V C CNN
+F1 "DS2745U" 50 260 50 H V L CNN
+F2 "Housings_SSOP:TSSOP-8_3x3mm_Pitch0.65mm" 0 -500 50 H I C CNN
+F3 "" 100 -400 50 H I C CNN
+$FPLIST
+ TSSOP*3x3mm*Pitch0.65mm*
+$ENDFPLIST
+DRAW
+S -300 200 300 -300 0 1 10 f
+X SCL 1 -400 100 100 R 50 50 1 1 I
+X SDA 2 -400 0 100 R 50 50 1 1 B
+X PIO 3 400 0 100 L 50 50 1 1 B
+X SNS 4 -400 -200 100 R 50 50 1 1 B
+X VSS 5 0 -400 100 U 50 50 1 1 W
+X CTG 6 400 -200 100 L 50 50 1 1 I
+X VIN 7 400 100 100 L 50 50 1 1 I
+X VDD 8 0 300 100 D 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
 # LTC4001
 #
 DEF LTC4001 U 0 40 Y Y 1 F N