National Semiconductor LP3972, User Manual, Page: 5 / 13

www.ti.com
List of Components
Item Qty Reference Value Pkg. Manuf. Part Number
22 4 R15,R16,R28,R29 133
Ω
0805 Rohm MCR10EZHF1330
23 2 R19,R20 22.1 Ω 0805 Vishay-Dale CRCW080522R1ERT1
24 1 R21 1M 0805 Yageo 9C08052A1004JLHFT
25 1 R25 1.5K 0805 Yageo 9C08052A1501FKHFT
26 1 D1 45.3 Ω 0805 Vishay-Dale CRCW080545R3F100
27 5 S1,S2,S3,S4,SW1 Touch Switch SMD Panasonic EVQ-PJU04K
28 1 U1 3.3V Regulator SOT-23 5 Texas LP29815-3.3
Instruments
29 1 U2 PMU RSB0040 Texas LP3972
Instruments
30 1 U3 USB Controller SOIC 28 Texas USBN9604-28M
Instruments
31 1 U4 Microcontroller TSSOP 48 Texas COP8CBE9
Instruments
32 1 U5 2V Regulator SOT-23 5L Texas LP3984-2.0
Instruments
33 1 U6 Voltage Converter SOT-23-6 Texas LM2664M6
Instruments
34 1 J1 100 mil Header 2 pos Amp 1 × 2 (4-103239-0-02)
35 1 J2 USB Receptacle 4 pos FCI 61729-0010B
36 1 J3 100 mil Header 4 pos Molex 1 × 4 (22-10-2041)
37 3 J4,J7,J8 100 mil Header 4 pos Amp 2 × 2 (4-103240-0-02)
38 1 J5 100 mil Header 12 pos Amp 2 × 6 (4-103240-0-06)
39 1 J6 GPO/LDO Headers 8 pos Amp 2 × 4 (4-103186-0-04)
40 9 TP9,TP10,TP11,TP16, Test Points 1 pos Amp 1 × 1 (4-103185-0-01)
TP17,TP18,TP23,TP24,TP25
41 8 TP2,TP4,TP6,TP8,TP13, Turret Terminal 0.109"L Keystone 1502-2
TP15,TP20,TP22
42 1 LP3972 version B Fab Bare board 4 Layer Rainbow Labs LP3972-B
5 SNVA235A – May 2007 – Revised April 2013 AN-1621 LP3972 USB Evaluation Board Rev B
Submit Documentation Feedback
Copyright © 2007–2013, Texas Instruments Incorporated