Texas Instruments TPS2151 manual Bill of Materials

Bill of Materials

Warning

Users must not activate the load on SW_OUT before the SW_PG rises to high, if the load current is higher than 50 mA. Otherwise, the power switch output could not be charged up to SW_IN rail.

2.2	Bill of Materials
			The bill of materials (BOM) for the EVM is shown in Table 2–1.
Table 2–1. Bill of Materials of the TPS2151 EVM (SLVP202)
Count		RefDes	Description	Size	MFR	Part Number
3		C1, C3, C6	Capacitor, Tantalum, 4 µ F, 10 V, 20%	B Case	Panasonic	29D475X0010B2T
4		C2, C4, C5, C8	Capacitor, ceramic 0.1 µ F, 50 V, X7R	805	Kemet	C0805C104KRAC7800
			10%
0		C7	Note: Needed only if the LDO voltage
			is set to be below 3 V, refer to the data
			sheet
0		C9	Note: Extra high-value capacitor on
			SW_OUT
2		J1, J2	Header, 8 pin, 100 mil spacing, (36-pin	0.100 x 8”	Sullins	PTC36SAAN
			strip)
0		J3	Connector, USB downstream (Type A)	0.52 x 0.57”	Molex	87531–001
3		JP1, JP4, JP5	Header, 2 pin, 100 mil spacing	0.100 x 2”	Sullins	PTC36SAAN
2		JP2, JP3	Header, 3 pin, 100 mil spacing	0.100 x 3”	Sullins	PTC36SAAN
2		R1, R3	Resistor, chip, 200 KΩ , 1/10 W, 5%	805	Std	Std
1		R2	Resistor, chip, 625 kΩ , 1/10 W, 5%	805	Std	Std
2		S1, S2	Switch, 1P2T, slide, PC-mount,	0.46 x 0.16”	E_Switch	EG1218
			200 mA
5		TP1, TP2,	Test point, black, 1 mm	0.038”	Farnell	240–333
		TP3, TP4, TP9
0		TP16, TP17,	Post, wire wrap, 0.043 press-fit	0.015–0.025”	Mill-Max	1045–3–17–15–30–14–
		TP18, TP19,	Note: A/A	pins		02–0
		TP20, TP21
11		TP5, TP6,	Test point, red, 1 mm	0.038”,	Farnell	240–345
		TP7, TP8,
		TP10, TP11,
		TP12, TP13,
		TP14, TP15,
		TP22
0		TR1	Note: Paralleling with R2 to set LDO
			output voltage lower than 3.3 V
1		U1	IC, USB high powered, with LDO	PWP14	TI	TPS2151PWP

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