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www.ti.com Schematics, Layout, and Bill of Materials
5.3 Bill of Materials
Table 2. TCA7408EVM/TCA5405EVM Bill of Material
Qty RefDes Value Description Part Number MFG Notes
4 C1-4 0.1µ Capacitor, Ceramic
1 C5 10µ Capacitor, Ceramic
1 C6 Capacitor, Ceramic DNI
1 J8 Connector, SMA , Straight, PC 901-144-8RFX AMP DNI
mount
5 D1-5 SML-P12PTT86 Diode, LED, GREEN 2.2V SML-P12PTT86 ROHM
20mA
2 D6-7 APF3236SURKZGQ LED SMD TRI Color APF3236SURKZGQBDC Kingbright
BDC
2 J3 J5 Header, Male 2-pin, 100mil Sullins
spacing
2 J6-7 Header, Male 3-pin, 100mil Sullins
spacing
1 J4 Header, Male 4-pin, 100mil Sullins
spacing
2 J1-2 PPTC101LFBN-RC Header, Female 10-pin, 100mil PPTC101LFBN-RC Sullins
spacing
1 J9 Header, Male 2x3-pin, 100mil Sullins DNI
spacing
2 R15-16 100k Resistor, Chip, 1/16W 5%
10 R1-R4 R11 10k Resistor, Chip, 1/16W 5%
R13-R14
R17-R19
5 R5-9 200 Resistor, Chip, 1/16W 1%
1 R10 250 Resistor, Chip, 1/16W, 1%
1 R12 {value} Resistor, Chip, 1/16W, 5% DNI
1 TP2 5001 Test Point, Black, Thru Hole 5001 Keystone
Color Keyed
1 TP1 5013 Test Point, Orange, Thru Hole 5013 Keystone
4 S1-4 EVQ221304M Switch, SPST, 20-mA, 15-V EVQ21304M; EVQ21305R; Panasoni Prefer EVQ21304M
EVQ21307K c if unavailable use
305R or 307K
1 U3 LMV321IDBVR IC Low Power Single Op-amp LMV321IDBVR TI
1 U4 TCA5405RUG IC, Low Voltage 5-Bit TCA5405RUG TI
Self-Timed, Single-Wire Output
Expander
1 U2 TCA7408ZSZ IC, Low-Voltage 8-Bit I2C and TCA7408ZSZ TI
SMBus I/O Expander
1 U1 TLC59108RGY IC, 8-BIT Fm+ I2C-Bus TLC59108RGY TI
Constant-Current LED Sink
Driver
1 U5 TPL0401ADCK IC, Digital POT, 1Chan, TPL0401ADCK TI
128Tap
1 U6 TPL0401BDCK IC, Digital POT, 1Chan, TPL0401BDCK TI
128Tap
empty paragraph
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SCPU034– December 2011 TCA7408EVM,TCA5405EVM
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