Datasheet
Bill of Materials
2-5
Circuit Module
2.4 Bill of Materials
Table 2–1 lists materials required for the bq26231EVM-001 circuit module.
Table 2–1.Bill of Materials
Ref Des Qty–002 Description MFG MFG Part No. Size
PCB 1 Printed circuit board, 0.031,
FR4, SMOBC, HASl
Any See FAB DWG
Terminal 2 Terminal block 3,5 mm On Shore ED555/2DS 3,5 mm × 2
C1, C2, C3, C4 4 Capacitor, ceramic, 0.1 µF,
16 V, ±10%, X7R
Panasonic ECJ-1VB1C1104K 603
R1 1 Resistor, 1 MΩ, 1/16 W, 5% Panasonic ERJ-3GSYJ105 603
R8 1 Resistor, 0.020 Ω, 1/2 W, 1% IRC LR2010-01-R020-F 2010
R3, R5, R6 3 Resistor, 100 kΩ, 1/16 W, 5% Panasonic ERJ-3GSYJ104 603
R1, R2, R4 3 Resistor, 100 Ω, 1/16 W, 5% Venkel ERJ-3GSYJ101 603
D1 1 Diode, zener, 5.6 V Zetex BZX84C5V6 SOT-23
D2 1 Diode, 1N914 Diode Inc. MMBD914 SOT-23
U1 1 Integrated circuit, gas gauge,
bq26231PW
Benchmarq/TI bq26231PW TSSOP-8
Component count 18
Assembly Notes:
1) This assembly is ESD sensitive.
2) This assembly must 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 of the
bq26231EVM-001 circuit module (SLUP148). Table 2–2 gives the
performance specifications of the circuit.
Table 2–2.Performance Specification Summary
Specification MIN TYP MAX UNIT
Input voltage BAT+/BAT– 2.8 5.5 V
Charge and discharge current 4 A
Note: Charge and discharge current. maximums are limited by the PCB design and power
dissipation of the 20-mΩ, 0.5-W sense resistor on the PCB.