Integration Manual

SARA-R4/N4 series - System Integration Manual
UBX-16029218 - R11 Design-in Page 68 of 157
C10 C13
GND
C12C11
SARA-R4/N4
52
VCC
53
VCC
51
VCC
+
Primary
Source
R3
U1
ENn
ILIM
ISET
TM R
AGND
VIN
C2C1
12V
NTC
PGND
SW
SYS
BAT
C4
R1
R2
D1
θ
Li-Ion/Li-Pol
Bat t ery Pack
B1
C5
Li-Ion/Li-Polym er Bat t ery
Charger / Regulat or wit h
Power Pat h Managment
VCC
C3 C6
L1
BST
D2
VLIM
R4
R5
C7 C8
D3
R6
SYSFB
R7
Figure 24: Li-Ion (or Li-Polymer) battery charging and power path management application circuit
Reference
Description
Part Number - Manufacturer
B1
Li-Ion (or Li-Polymer) battery pack with 10 k NTC
Various manufacturer
C1, C6
22 µF Capacitor Ceramic X5R 1210 10% 25 V
GRM32ER61E226KE15 - Murata
C2, C4, C10
100 nF Capacitor Ceramic X7R 0402 10% 16 V
GRM155R61A104KA01 - Murata
C3
1 µF Capacitor Ceramic X7R 0603 10% 25 V
GRM188R71E105KA12 - Murata
C5
330 µF Capacitor Tantalum D_SIZE 6.3 V 45 m
T520D337M006ATE045 - KEMET
C7, C12
68 pF Capacitor Ceramic C0G 0402 5% 50 V
GRM1555C1H680JA01 - Murata
C8, C13
15 pF Capacitor Ceramic C0G 0402 5% 25 V
GRM1555C1E150JA01 - Murata
C11
10 nF Capacitor Ceramic X7R 0402 10% 16 V
GRM155R71C103KA01 - Murata
D1, D2
Low Capacitance ESD Protection
CG0402MLE-18G - Bourns
D3
Schottky Diode 40 V 3 A
MBRA340T3G - ON Semiconductor
R1, R3, R5, R7
10 k Resistor 0402 1% 1/16 W
Generic manufacturer
R2
1.05 k Resistor 0402 1% 0.1 W
Generic manufacturer
R4
22 k Resistor 0402 1% 1/16 W
Generic manufacturer
R6
26.5 k Resistor 0402 1% 1/16 W
Generic manufacturer
L1
2.2 µH Inductor 7.4 A 13 m 20%
SRN8040-2R2Y - Bourns
U1
Li-Ion/Li-Polymer Battery DC/DC Charger / Regulator with
integrated Power Path Management function
MP2617H - Monolithic Power Systems (MPS)
Table 16: Suggested components for battery charging and power path management application circuit
☞ See the section 2.2.1.10, and in particular Figure 27 / Table 19, for the parts recommended to be
provided if the application device integrates an internal antenna.