SLVU240B May   2008  – August 2018 MSP430F2131 , TPS62260

 

  1.   Read This First
    1.     About This Manual
    2.     How to Use This Manual
    3.     Information About Cautions and Warnings
    4.     Related Documentation From Texas Instruments
    5.     If You Need Assistance
    6.     Trademarks
  2. 1Introduction
    1. 1.1 Requirements
      1. 1.1.1 Power Supply Requirements
      2. 1.1.2 Printed Circuit Board Assemblies (PCBs)
  3. 2Setup
    1. 2.1 Input/Output Connector Descriptions
      1. 2.1.1 J1, J2, and J3 – Power Supply Connectors
      2. 2.1.2 JP1 – Wireless Interface Connector
      3. 2.1.3 JP2 – JTAG Interface Connector
    2. 2.2 Hardware Setup
  4. 3Supported Colors and Operation Modes
    1. 3.1 Color Range
    2. 3.2 Auto-Scroll Mode
    3. 3.3 Manual Control Mode
  5. 4Design Description
    1. 4.1 Hardware Design
      1. 4.1.1 LED Power Stages
      2. 4.1.2 Output Filter Design
      3. 4.1.3 MODE and EN Pins
      4. 4.1.4 MSP430 MCU Design
    2. 4.2 LED Color Table
    3. 4.3 Firmware Design
      1. 4.3.1 Firmware C-Code Listing
  6. 5Schematic and Bill of Materials
    1. 5.1 Schematics
    2. 5.2 Bill of Materials
  7. 6Board Layout
    1. 6.1 Photographs of Top and Bottom
    2. 6.2 Layout
    3. 6.3 Thermal Images
  8. AReprogramming
    1. A.1 Additional Software and Hardware Needed
    2. A.2 IAR Embedded Workbench KickStart Software Installation
    3. A.3 Hardware Installation
    4. A.4 Using IAR Embedded Workbench to Download Code on MSP430 MCUs
  9.   Revision History

5.2 Bill of Materials

Table 5-1 Bill of Materials(1)(2)(3)

COUNT RefDes(4) VALUE DESCRIPTION SIZE PART NO. MANUFACTURER
1 C1 10nF Capacitor, Ceramic, 50V,
X5R, 20%		 0603 std std
1 C2 100nF Capacitor, Ceramic, 50V,
X5R, 20%		 0603 std std
4 C3, C4, C9, C11 22uF Capacitor, Ceramic, 16V,
X5R, 20%		 1210 C1210C226M4PAC KEMET
7 C5 - C8, C10, C12, C13 4.7uF Capacitor, Ceramic, 6.3V,
X5R, 20%		 0603 C0603C475M9PAC KEMET
3 D1, D2, D6 TS4148RY Diode, Hi-Speed, 150mA, 100V, 500mW 0805 TS4148RY Taiwan
Semiconductor
1 D3 LR W5SM Diode, LED Red, 500-mA 0.244 × 0.441 inch LR W5SM-HYJY-1-0-400-R18-Z Osram
1 D4 LB W5SM Diode, LED Blue, 500-mA 0.244 × 0.441 inch LB W5SM-EYGX-35-0-350-R18-Z Osram
1 D5 BZX84-C3V3 Diode, Zener, 3.3V, 250mW, 5% SOT23 BZX84-C3V3 NXP
Semiconductor
1 D7 LT W5SM Diode, LED Green, 500-mA 0.244 × 0.441 inch LT W5SM-HYJZ-25-0-350-R18-Z Osram
2 J1, J2 PTC36SAAN Header, Male 2-pin, 100mil spacing, (36-pin strip) 0.100 inch × 2 PTC36SAAN Sullins
1 J3 RAPC 712 Connector, Pin dia.2.5mm, DC Jack, 0.57 × 0.35 inch RAPC 712 Switchcraft
1 JP1 850-106-10-S-RA Header, 1x6-pin, 50mil spacing 1.000 × 0.085 inch 850-10-006-20-001000 Millmax
1 JP2 2514-6002UB Connector, Male Straight 2x7 pin, 100mil spacing, 4 Wall 0.100 inch × 2X7 2514-6002UB 3M
3 L1, L2, L3 2.2uH Inductor, SMT, 2.2uH, 1.1A, 110-milliohm orAlternate Inductor; SMT, 2.2uH, 1.0A, 120-milliohm 2.5 × 2.0 mm
2.5 × 2.0 × 1.2mm		 MIPSA2520D2R2LQM2HPN2R2MJ0L FDKmuRata
1 R1 47.0k Resistor, Chip, 1/16W, 1% 0603 Std Std
1 R11 330 Resistor, Chip, 1/16W, 1% 0603 Std Std
3 R2, R3, R4 100k Resistor, Chip, 1/16W, 1% 0603 Std Std
6 R5 - R8, R12, R13 10.0k Resistor, Chip, 1/16W, 1% 0603 Std Std
3 R9, R10, R14 2.00 Resistor, Chip, 1/8W, 1% 1206 Std Std
1 S1 3315C-001 Encoder, Sealed Incremental, 9 mm Square 0.375 × 0.400 inch 3315C-001 Bourns
9 TP1 - TP9 5001 Test Point, Black, Thru Hole Color Keyed 0.100 × 0.100 inch 5001 Keystone
1 U1 MSP430F2131TRGE IC, Mixed Signal Microcontroller QFN-24 MSP430F2131TRGE TI
3 U2, U3, U4 TPS62260DRV IC, 2.25MHz 600mA Step-Down Converter SON-6[DRV] TPS62260DRV TI
1 -- PCB, 4.33 In x 2.4 In x 0.062 In HPA338 Rev. A Any
1 -- 020-2220(5) Knob, collet locking, black plastic 10mm overall dia.
1/8" shaft dia.		 "020-2220 orequivalent" ELMA
1 -- 040-1020(6) Cap, black plastic 10mm overall dia. 040-1020 or equivalent ELMA
(1) These assemblies are ESD sensitive; ESD precautions shall be observed.
(2) These assemblies must be clean and free from flux and all contaminants. Use of clean flux is required.
(3) These assemblies must comply with workmanship standards IPC-A-610 Class 2.
(4) Reference designators marked with an asterisk ('**') cannot be substituted. All other components can be substituted with equivalent components from other manufacturers.
(5) Knob 020-2220 shall be installed onto S1 after final board assembly
(6) Cap 040-1020 shall be installed onto Knob 020-2220