Texas Instruments bq294502 Voltage Protector for 2-Series or 3-Series Cell Li-Ion Batteries EVM BQ294502EVM-033 BQ294502EVM-033 Datenbogen
Produktcode
BQ294502EVM-033
EVM Hardware and Software Setup
4.2
Bill of Materials
Table 2. Bill of Materials
Reference
Count
Value
Description
Size
Part Number
Manufacturer
Design
Capacitor, Ceramic,
5
C1-5
0.1
µ
F
0603
STD
Any
50 V, X7R, 20%
Fuse, Slo-Blo
0
F1
DNP
SFDxxx
SFDxxxx
Sony
Ceramic, xxA, yyyV
Terminal Block, 4-pin,
1
J1
ED555/4DS
0.55 x 0.25 inch
ED555/4DS
OST
6-A, 3.5 mm
Terminal Block, 2-pin,
1
J2
ED555/2DS
0.27 x 0.25 inch
ED555/2DS
OST
6-A, 3.5 mm
MOSFET, Nch, 20 V,
1
Q1
Si1406DH
SC-70
Si1406DH
Vishay
3.9 A, 65 m
Ω
Resistor, Chip, 1/16
1
R1
100
0603
STD
Any
W, 1%
Resistor, Chip, 1/16
4
R2-5
1K
0603
STD
Any
W, 1%
Resistor, Chip, 1/16
1
R6
100K
0603
STD
Any
W, 1%
Test Point, White,
0.125 x 0.125
5
TP1-5
5012
5012
Keystone
Thru Hole
inch
IC, Overvoltage
Protection Devices for
1
U1
BQ294502DRV
WSON
BQ294502DRV
TI
2-Series to 4-Series
Cell Li-Ion Batteries
1
—
PCB
PWR033
Any
4.3
bq294502 Circuit Module Performance Specification Summary
This section summarizes the performance specifications of the bq294502 circuit module.
Table 3. Performance Specification Summary
Specification
Min
Typ
Max
Units
Input voltage Pack+ to
5
12
18
V
Pack
–
Charge and discharge
0
2
5
A
current
5
EVM Hardware and Software Setup
This section describes how to connect the different components of the bq294502 EVM.
shows
how to connect the bq294502 circuit module to the cells and system load/charger. The cells must be
connected in the following order:
connected in the following order:
1. 3-Cell Pack: VSS (bottom of stack), VC1, VC2, then VC3 (see
for definitions).
2. 2-Cell Pack: VSS (bottom of stack), VC1, and then connect VC2 and VC3 together.
5
SLUU659
–
November 2011
bq294502 Voltage Protector for 2-Series or 3-Series Cell Li-Ion Batteries EVM
Copyright
©
2011, Texas Instruments Incorporated