CDB150X-01-Z

CDB150X-01-Z Datasheet


CDB150x-01

Part Datasheet
CDB150X-01-Z CDB150X-01-Z CDB150X-01-Z (pdf)
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CDB150x-01

CS1501 90W, High-efficiency PFC Demonstration Board

Variable On Time, Variable Frequency, DCM PFC Controller

Line Voltage Range 90 to 265 VAC RMS Output voltage 400 V Rated Pout 90 W Efficiency 97% 90 W, 230 VAC No-load Power Dissipation W Low Component Count Supports Cirrus Logic Product CS1501

The CDB150x-01 board demonstrates the performance of the CS1501 digital PFC controller with a 90 watt output at a link voltage of 400 volts.
ORDERING INFORMATION CDB150x-01 PFC Demonstration Board - Supports CS1501

AC Line Input

Regulated DC Output

Actual Size 254mm x 44mm

Copyright Cirrus Logic, Inc. 2011 All Rights Reserved

MAR ‘11 DS927DB3

CDB150x-01

IMPORTANT SAFETY INSTRUCTIONS

Read and follow all safety instructions prior to using this demonstration board.

This Engineering Evaluation Unit or Demonstration Board must only be used for assessing IC performance in a laboratory setting. This product is not intended for any other use or incorporation into products for sale.

This product must only be used by qualified technicians or professionals who are trained in the safety procedures associated with the use of demonstration boards.

Risk of Electric Shock
• The direct connection to the AC power line and the open and unprotected boards present a serious risk of electric shock and can cause serious injury or death. Extreme caution needs to be exercised while handling this board.
• Avoid contact with the exposed conductor or terminals of components on the board. High voltage is present on exposed conductor and it may be present on terminals of any components directly or indirectly connected to the AC line.
• Dangerous voltages and/or currents may be internally generated and accessible at various points across the board.
• Charged capacitors store high voltage, even after the circuit has been disconnected from the AC line.
• Make sure that the power source is off before wiring any connection. Make sure that all connectors are well connected before the power source is on.
• Follow all laboratory safety procedures established by your employer and relevant safety regulations and guidelines, such as the ones listed under, OSHA General Industry Regulations - Subpart S and NFPA 70E.

Suitable eye protection must be worn when working with or around demonstration boards. Always comply with your employer’s policies regarding the use of personal protective equipment.

All components, heat sinks or metallic parts may be extremely hot to touch when electrically active.

Heatsinking is required for Q1. The end product should use tar pitch or an equivalent compound for this purpose. For lab evaluation purposes, a fan is recommended to provide adequate cooling.

Contacting Cirrus Logic Support

For all product questions and inquiries contact a Cirrus Logic Sales Representative. To find the one nearest to you go to

IMPORTANT NOTICE

Cirrus Logic, Inc. and its subsidiaries "Cirrus" believe that the information contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided "AS IS" without warranty of any kind express or implied . Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, indemnification, and limitation of liability. No responsibility is assumed by Cirrus for the use of this information, including use of this information as the basis for manufacture or sale of any items, or for infringement of patents or other rights of third parties. This document is the property of Cirrus and by furnishing this information, Cirrus grants no license, express or implied under any patents, mask work rights, copyrights, trademarks, trade secrets or other intellectual property rights. Cirrus owns the copyrights associated with the information contained herein and gives consent for copies to be made of the information only for use within your organization with respect to Cirrus integrated circuits or other products of Cirrus. This consent does not extend to other copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE "CRITICAL APPLICATIONS" . CIRRUS PRODUCTS ARE NOT DESIGNED, AUTHORIZED OR WARRANTED FOR USE IN PRODUCTS SURGICALLY IMPLANTED INTO THE BODY, AUTOMOTIVE SAFETY OR SECURITY DEVICES, LIFE SUPPORT PRODUCTS OR OTHER CRITICAL APPLICATIONS. INCLUSION OF CIRRUS PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER'S RISK AND CIRRUS DISCLAIMS AND MAKES NO WARRANTY, EXPRESS, STATUTORY OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE, WITH REGARD TO ANY CIRRUS PRODUCT THAT IS USED IN SUCH A MANNER. IF THE CUSTOMER OR CUSTOMER'S CUSTOMER USES OR PERMITS THE USE OF CIRRUS PRODUCTS IN CRITICAL APPLICATIONS, CUSTOMER AGREES, BY SUCH USE, TO FULLY INDEMNIFY CIRRUS, ITS OFFICERS, DIRECTORS, EMPLOYEES, DISTRIBUTORS AND OTHER AGENTS FROM ANY AND ALL LIABILITY, INCLUDING ATTORNEYS' FEES AND COSTS, THAT MAY RESULT FROM OR ARISE IN CONNECTION WITH THESE USES. Cirrus Logic, Cirrus, and the Cirrus Logic logo designs are trademarks of Cirrus Logic, Inc. All other brand and product names in this document may be trademarks or service marks of their respective owners.

DS927DB3

CDB150x-01

INTRODUCTION

The CS1501 is a high-performance Variable Frequency Discontinuous Conduction Mode VF-DCM , active Power Factor Correction PFC controller, optimized to deliver the lowest system cost in switched mode power supply SMPS applications. The CS1501 uses a digital control algorithm that is optimized for high efficiency and near-unity power factor over a wide input voltage range 90-265 VAC .

Using an adaptive digital control algorithm, both the ON time and the switching frequency are varied on a cycle-by-cycle basis over the entire AC line to achieve close-to-unity power factor. The feedback loop is closed through an integrated digital control system within the IC.

The variation in switching frequency also provides a spread-frequency spectrum, thus minimizing the conducted EMI filtering requirements. Burst mode control minimizes the light-load/standby losses. Protection features such as overvoltage, overcurrent, overpower, open circuit, overtemperature, and brownout help protect the device during abnormal transient conditions. Details of these features are provided in the CS1501 data sheets.

The CDB150x-01 board demonstrates the performance of the CS1501 with input voltage range of 90-265 VAC, typically seen in universal input applications. This board has been designed for 400V Vlink, 90 Watts, full load.

Extreme caution needs to be exercised while handling this board. This board is to be used by trained professionals only. Prior to applying AC power to the CDB150x-01 board, the CS1501 needs to be biased using an external 13 VDC power supply.

This document provides the schematic for the board. It includes oscilloscope screen shots that indicate operating waveforms. Graphs are also provided that document the performance of the board in terms of Efficiency vs. Load, Total Harmonic Distortion vs. Load, and Power Factor vs. Load for the CS1501 PFC controller IC.

DS927DB3

SCHEMATIC

CON1 TERM BLK

NO POP, SHORT PIN 1-2 & PIN 3-4 with 28 AWG wire

V300LA20AP
300V VZ

L1 5mH
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Datasheet ID: CDB150X-01-Z 523108