BC3770 Datasheet, PDF (41/45 Pages) Freescale Semiconductor, Inc – 2.0 A Switch-Mode Charger

6.1.2.7 Bill of Materials
Figure 22 shows a typical connection diagram with an application processor on the mobile system. The following table lists the external
components for this diagram.
Table 6. Bill of Materials ⁽²³⁾
Item Qty
Schematic Label
Value
Description (L x W in mm)
Part Number
Assy
Opt
1
1 _VBUS
2.2 F
1.0 x 0.5 or 1.6 x 0.8, 10 V or higher,
X5R, ceramic capacitor
2
1 _PMID
2.2 F
1.6 x 0.8 x 1.0, 10 V or higher, X5R,
ceramic capacitor
3
1 _VL
1.0 F
1.0 x 0.5, 10 V or higher, X5R, ceramic
capacitor
4
1 _CHGOUT
4.7 F
1.6 x 0.8, 10 V or higher, X5R, ceramic
capacitor
5
1 _VSYS
10 F
1.6 x 0.8, 10 V or higher, X5R, ceramic
capacitor
6
1 _LX
1.0 H
2.05 x 1.65, CIGT inductor in the
recommended table recommended
7
1 _BOOT
22 nF
1.0 x 0.5, 10 V, X5R, ceramic
capacitor
8
1 _NOBAT
100 k
0.6 x 0.3, a pull-down resistor to
connect to 1.8 V VDD ADC Input
9
1 _INTB
200 k
0.6 x 0.3, a Pull-up resistor to system 
I/O voltage rail, VIO
10
1 _SDA
2.2 k or
1.5 k
1.0 x 0.5, a Pull-Up resistor to system
I/O voltage rail, VIO
11
1 _SCL
2.2 k or
1.5 k
1.0 x 0.5, a Pull-Up resistor to system
I/O voltage rail, VIO
Notes
23. Freescale does not assume liability, endorse, or warrant components from external manufacturers are referenced in circuit drawings or tables.
While Freescale offers component recommendations in this configuration, it is the customer’s responsibility to validate their application.
24. Do not populate
25. Critical components. For critical components, it is vital to use the manufacturer listed.
BC3770
41
Analog Integrated Circuit Device Data
Freescale Semiconductor