Datasheet

Bill of Materials
2-5
Circuit Module
2.4 Bill of Materials
Table 2–1 lists the materials required for the bq2023EVM–001 circuit module
(SLUP142–001).
Table 2–1.Bill of Materials
Ref Des Qty-001 Description MFG MFG PART# Size
PCB 1 Printed-circuit board, 0.031, FR4,
SMOBC, HASL
Any SLUP142
Terminal 4 Terminal block 3,5 mm On Shore
Technology
ED555/2DS
3,5 mm × 2
C1, C2, C3,
C4
4
Capacitor, ceramic, 0.1 µF, 16 V,
±10%, X7R
Panasonic ECJ–1VB1C104K 603
R8 1
Resistor, 0.020 Ω, 1 W, 1%
IRC LR2512–01–R020–G 2512
R2, R7, R9 3
Resistor, 100 kΩ, 1/16 W, 5%
Panasonic ERJ–3GSYJ104 603
R3, R4, R5,
R6, R10, R11
6
Resistor, 100 Ω, 1/16 W, 5%
Venkel ERJ–3GSYJ101 603
R1 1
Resistor, 1 MΩ, 1/16 W, 5%
Panasonic ERJ–3GSYJ105 603
D1, D2, D3 3 Diode, Zener, 5.6 V Zetex BZX84C5V6 SOT–23
U1 1 Integrated circuit, gas gauge,
bq2023
Benchmarq/TI bq2023PW TSSOP–8
Component
count
24
Assembly Notes:
1) This assembly is ESD sensitive.
2) This assembly shall comply with IPC–A–610 class 2 or better.
3) This assembly must be clean of flux residues and contaminants.
4) Use of no-clean flux is not acceptable.
2.5 Performance Specifications
Table 2–2 summarizes the performance specifications for bq2023–001 Cir-
cuit Module (SLUP142–001).
Table 2–2.Performance Specifications Summary
Specification Min Typ Max Units
Input voltage BAT+/BAT– 2.8 5.5 V
Charge and discharge current 3 A
Note: Charge and discharge maximums are limited by the PCB design and power dissipation of
the 20-mΩ 0.5-W sense resistor in the kit.