CY3268 Cypress Semiconductor Corp, CY3268 Datasheet - Page 2

• Manufacturer Part Number: CY3268
• Description: KIT STARTER POWERPSOC LIGHTING
• Manufacturer: Cypress Semiconductor Corp
• Series: PowerPSoC®r

Specifications of CY3268

• Current - Output / Channel: 1A
• Outputs And Type: 4, Non-Isolated
• Voltage - Output: 32V
• Features: Dimmable, I²C Interface
• Voltage - Input: 32V
• Utilized Ic / Part: CY8CLEDxx
• Operating Voltage: 12 V
• Operating Current: 1 A
• Description/function: Lighting Evaluation Kit
• Interface Type: I2C
• Software: Software Included
• Core Chip: Power PSoC
• No. Of Outputs: 4
• Output Current: 300mA
• Kit Contents: CY3268 PowerPSoC Board, 12V, 1A Power Supply, 2x Jumper Shunts, Software CD
• Rohs Compliant: Yes
• For Use With/related Products: PowerPSoC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 428-2882

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DESIGN NOTES AND REVISION HISTORY
Designer
Design changes:
-Updated the pin outs 23, 24, 25 and 26 of the device U2
-Updated the value of Resistor R12 to 2KOhm
-Updated the value of the Resistor R17 to 698 Ohm
-Updated the Value of the Resistor R18 to 20KOhm.
-Updated the Current rating of the Fuse F1 to1A with part no 0154001.DRT
-Updated the Value of the Capacitor C22 to 1300pF
-Added the 20pF No-Load capacitor C34 Parallel to C22
-Changed the Header J1 to 6 pin Through hole Female Header.
-Updated the Pitch Size of the 2 Pin Header J4 and J5 to 2.54mm.
-The components R15, L5, D4, C22, R18, R17, R28 has been Loaded.
- The components R43, R29 and C33 has been made as No Load
-The Regulator U1 and its related components R3, D1, D2, R1, R2, C2, C3 and C4 are removed from the schematics.
-Updated the Version to 4 .
Description
- Finished creation of initial version of Schematic as per Cypress CY3268 MRD
Design changes:
- Changed switch pull up resistor R13 560R-0603 instead of 10K-0603 and no load C23 capacitor.
- VCC_ISSP & VCC_ICE supply moved to VCC_5.
- Interchanged signals at port pins 0.3 & 0.4.
- Removed Diodes D8,D9,D10,D11.
- Added R32 resistor value 10K-0603.
- Removed resistor R28 & R29 with 2mm pitch jumper selection.
- Changed Rsense resistors R14,R16,R20,R24 value 0.22R with same package instead of 0R1.
- Changed RP1 and RP2 resistor packs to in resistors.
- Added test points at
- Changed OCD connector net names.
- Added VCC_5 supply at SREGHVIN port with 0R-0603 resistors option.
- Add a 680pF-0603 capacitor in the voltage divider circuit of the SREG.
- Changed RSX051VA-30 instead of ZHCS1006 diode.
- Changed LPS6235-473MLC instead fo DR74-470-R at switching node.
- Changed LPS4018-473MLC instead fo DR74-470-R at SREGSW pin.
- Removed C15,C17,C25 and C28 capacitors.
Layout changes:
- Corrected OCD Footprint.
- Changed location of reset switch near to ISSP header.
- Changed location and corrected footprint of Star point connection.
Design changes:
- Added C15,C17,C25 and C28 capacitors.
Layout changes:
- Corrected footprint of LED.
Design changes:
-Removed the No load 0 Ohm resistors R29 and R43.
-Updated the Part number for the Ferrite Bead FB1 and FB2 as HF1206J150R-10 in the BOM.
Design changes:
-Updated the Part number for the Switch SW1 as EVQ-QXS03W in the BOM.
-Updated the Document name as SCH-CY3268-B04 in all the pages.
-Added the Block Diagram.
-The Optic part has been moved to Do Not Install rows in the BOM.
-Added the Part number 3-644456-2 for the 2X1 header J4 and J5.
-Updated the part number for the PowerPSoC as CY8CLED04DOCD1-56LTXI in the BOM.
-The part no for the Stand off is updated to 2205 manufactured by Key stone electronics.
-The part no for the Screw is updated to PMS 440 0050 PH manufactured by Building Fasteners.
Design changes:
-Updated the value of the resistor R15 to 0.499 ohms with 0603 package with Part no SR731JTTDR499F.
-Removed the 20pf No load capacitor C34
Design changes:
-Updated the part no of the screw to PMS 440 0025 PH manufactured by Building Fasteners which has the length of
0.250" (6.35mm) 1/4".
-Added the Manufacturing Reference No in the Title Block
-Updated the Value of the capacitor C22 to 2.2nF(2200pF),0603,16V with part no C0603C222J4RACTU
- Both pins of R16
- PowerPSoC pin41 GDO
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Schematic
Schematic
Schematic
Title
Title
Title
Size
Size
Size
Date:
Date:
Date:
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Monday, January 12, 2009
Monday, January 12, 2009
Monday, January 12, 2009
Document Number
Document Number
Document Number
CY3268 PowerPSoC Lighting Starter Board
CY3268 PowerPSoC Lighting Starter Board
CY3268 PowerPSoC Lighting Starter Board
Design Notes and Revision History
Design Notes and Revision History
Design Notes and Revision History
SCH-CY3268-B04
SCH-CY3268-B04
SCH-CY3268-B04
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Sheet
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[+] Feedback
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of
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Rev
Rev
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