J3
J4
J5
GND
GND
0.1 µF
C4
0.1 µF
C2
GND
GND
J6
100k
R6
IN
1
GND
2
EN
3
FAULT
4
ILIM
5
OUT
6
U1
TPS2553QDBVRQ1
GND
0.1 µF
C5
10 µF
C1
J2
J1
GND
TP2
TP5
TP6
TP4
16.2k
R2
7.68k
R3
23.2k
R4
182k
R5
TP1
TP3
TP8
TP7
TP9
TP10
100k
R1
120 µF
C3
VIN = 2.5 V – 6.5 V
VIN(Max) = 7 V
VOUT = 7 V
IOUT(Max) = 1.7 A
VIN
GND
GND
GND
GND
FAULT
EN
VOUT
ILIM
1
3
2
S1
Copyright © 2016, Texas Instruments Incorporated
Schematic, Bill of Materials, and Layout
3
SLVUAT7 – October 2016
Copyright © 2016, Texas Instruments Incorporated
TPS2553Q1EVM (HVL125A) Precision Current Limiting Switch User Guide
2
Schematic, Bill of Materials, and Layout
This section provides a detailed description of the TPS2553Q1EVM schematic, bill of materials (BOM), and layout.
2.1
Schematic
Figure 2. TPS2553Q1EVM Schematic
2.2
Bill of Materials
Table 1. BOM
DESIGNATOR
QUANTITY
VALUE
DESCRIPTION
PACKAGE REFERENCE
PART NUMBER
MANUFACTURER
!PCB1
1
Printed Circuit Board
MSA016
Any
C1
1
10uF
CAP, CERM, 10 µF, 10 V, ± 20%, X6S,
AEC-Q200 Grade 2, 0603
0603
GRT188C81A106ME13D
MuRata
C2, C4, C5
3
0.1uF
CAP, CERM, 0.1 µF, 50 V, ± 10%, X7R,
AEC-Q200 Grade 1, 0603
0603
CGA3E2X7R1H104K080AA
TDK
C3
1
120uF
CAP, TA, 120 µF, 20 V, ± 20%, 0.085
ohm, SMD
Case Code R
594D127X0020R2T
Vishay-Sprague
J1, J2, J3, J4, J5, J6
6
Header, 100mil, 2x1, Tin, TH
Header, 2 PIN, 100mil, Tin PEC02SAAN
Sullins Connector
Solutions
R1, R6
2
100k
RES, 100 k, 1%, 0.1 W, 0603
0603
CRCW0603100KFKEA
Vishay-Dale
R2
1
16.2k
RES, 16.2 k, 1%, 0.1 W, 0603
0603
CRCW060316K2FKEA
Vishay-Dale