
UM0452
Schematic
27/30
5.5
Bill of material
Table 6.
BOM
Item
Des.
Qty
Ref.
Value/generic
part number
Package
Manu-
facturer
Manufacturer’s
ordering code /
orderable part
number
Supplier
1
U2
1
ST7 - MCU
ST7F651
TQFP64
ST
ST7F651AR6T1
ST
2
U1
1
NAND-
Flash
NAND512W3A
TSOP-48
ST
NAND512W3A0AN6
ST
3
U3
1
Voltage
Regulator
L7805
TO-220
ST
L7805CV
ST
4
U4
1
Real Time
Clock
M41T81S
SO-8
ST
M41T81SM6E
ST
5
Q1
1
MOSFET
STB100NF
I2PAK
ST
STB100NF03L-03
ST
6
Q2
1
npn
Transistor
2STR1215
SOT23
ST
2STR1215
ST
7
FAN
1
DC Fan
AD2005LX-K70
5 V BLDC
Fan
ADDA
AD2005LX-K70
ADDA
Corporation
8
XT1
1
Crystal
12 MHz
XTAL-B
Any
Local
Local
9
XT2
1
Crystal
32.768 kHz
XTAL-S
Any
Local
Local
10
TS1
1
Temperatur
e Sensor
STDS75/STLM75
SO-8
ST
STDS75M2F/STLM7
5M2F
ST
11
TS2
1
Temperatur
e Sensor
STDS75/STLM75
TSSOP-8
ST
STDS75DS2F/STLM
75DS2F
ST
12
TS1A
1
SO-8
Socket
SO-8 Socket
SO-8
WELLS
OTS-16-03
ENPLAS
13
TS2A
1
TSSOP-8
Socket
TSOSP-8 Socket
TSSOP-8
WELLS
OTS(24) -0.65-01
ENPLAS
14
CON1
1
Header 5x2
IDC-10B
IDC-10B
Any
Local
Local
15
CON2
1
Header 4x2
IDC-8B
IDC-8B
Any
Local
Local
16
J1
1
Jack
Connector
Male
power
connector
Any
Local
Local
17
J2
1
Jack
Connector
USB B
Connector
Any
Local
Local
18
J3
1
Jack
Bergstrip
Berg Strip
Any
Local
Local
19
BZ1
1
Buzzer
CEM1203
2 pin
magnetic
buzzer
(AC)
Any
CEM-1203
Digikey
20
BT1
1
Battery
Maxel-CR2032
Button
Type
Maxel
Maxel-CR2032
Maxel