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2016 Microchip Technology Inc. DS50002545A
HV98100
120 V
AC Off-Line LED Driver
Evaluation Board
User’s Guide
2016 Microchip Technology Inc. DS50002545A-page 2
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
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OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
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suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights unless otherwise stated.
Note the following details of the code protection feature on Microchip devices:
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• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
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Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
QUALITY MANAGEMENT S
YSTEM
CERTIFIED BY DNV
== ISO/TS 16949 ==
Trademarks
The Microchip name and logo, the Microchip logo, AnyRate,
dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq,
KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST,
MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo,
RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O
are registered trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries.
ClockWorks, The Embedded Control Solutions Company,
ETHERSYNCH, Hyper Speed Control, HyperLight Load,
IntelliMOS, mTouch, Precision Edge, and QUIET-WIRE are
registered trademarks of Microchip Technology Incorporated
in the U.S.A.
Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut,
BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM,
dsPICDEM.net, Dynamic Average Matching, DAM, ECAN,
EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip
Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi,
motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB,
MPLINK, MultiTRAK, NetDetach, Omniscient Code
Generation, PICDEM, PICDEM.net, PICkit, PICtail,
PureSilicon, RightTouch logo, REAL ICE, Ripple Blocker,
Serial Quad I/O, SQI, SuperSwitcher, SuperSwitcher II, Total
Endurance, TSHARC, USBCheck, VariSense, ViewSpan,
WiperLock, Wireless DNA, and ZENA are trademarks of
Microchip Technology Incorporated in the U.S.A. and other
countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
Silicon Storage Technology is a registered trademark of
Microchip Technology Inc. in other countries.
GestIC is a registered trademarks of Microchip Technology
Germany II GmbH & Co. KG, a subsidiary of Microchip
Technology Inc., in other countries.
All other trademarks mentioned herein are property of their
respective companies.
© 2016, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
ISBN: 978-1-5224-1040-9
2016 Microchip Technology Inc. DS50002545A-page 3
Object of Declaration: HV98100 120 VAC Off-Line LED Driver Evaluation Board
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 4 2016 Microchip Technology Inc.
NOTES:
HV98100 120 V
AC
OFF-LINE LED
DRIVER EVALUATION BOARD
USER’S GUIDE
2016 Microchip Technology Inc. DS50002545A-page 5
Table of Contents
Preface ........................................................................................................................... 7
Introduction............................................................................................................ 7
Document Layout .................................................................................................. 7
Conventions Used in This Guide........................................................................... 8
Recommended Reading........................................................................................ 9
The Microchip Website.......................................................................................... 9
Customer Support ................................................................................................. 9
Revision History .................................................................................................... 9
Chapter 1. Product Overview
1.1 Introduction ................................................................................................... 11
1.2 HV98100 Device – Short Overview .............................................................. 11
1.3 What Is the HV98100 120 VAC Off-Line LED Driver
Evaluation Board? .................................................................................. 12
1.4 What Does the HV98100 120 VAC Off-Line LED Driver
Evaluation Board Kit Include? ................................................................ 12
Chapter 2. Installation and Operation
2.1 Getting Started ............................................................................................. 13
2.2 Setup Procedure .......................................................................................... 13
2.3 How Does the HV98100 120 VAC Off-Line LED Driver
Evaluation Board Work? ......................................................................... 14
2.4 Testing the Board ......................................................................................... 14
2.5 Typical Waveforms ....................................................................................... 15
2.6 Typical Measurements ................................................................................. 18
Appendix A. Schematic and Layouts
A.1 Introduction .................................................................................................. 23
A.2 Board – Schematic ....................................................................................... 24
A.3 Board – Top Copper and Pads .................................................................... 25
A.4 Board – Top Copper, Pads and Silk ............................................................ 25
A.5 Board – Top Silk and Pads .......................................................................... 26
A.6 Board – Bottom Copper and Pads ............................................................... 26
Appendix B. Bill of Materials (BOM)........................................................................... 27
Worldwide Sales and Service .................................................................................... 30
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 6 2016 Microchip Technology Inc.
NOTES:
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 8 2016 Microchip Technology Inc.
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description Represents Examples
Arial font:
Italic characters Referenced books MPLAB® IDE User’s Guide
Emphasized text ...is the only compiler...
Initial caps A window the Output window
A dialog the Settings dialog
A menu selection select Enable Programmer
Quotes A field name in a window or
dialog
“Save project before build”
Underlined, italic text with
right angle bracket
A menu path File>Save
Bold characters A dialog button Click OK
A tab Click the Power tab
N‘Rnnnn A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
4‘b0010, 2‘hF1
Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>
Courier New font:
Plain Courier New Sample source code #define START
Filenames autoexec.bat
File paths c:\mcc18\h
Keywords _asm, _endasm, static
Command-line options -Opa+, -Opa-
Bit values 0, 1
Constants 0xFF, ‘A’
Italic Courier New A variable argument file.o, where file can be
any valid filename
Square brackets [ ] Optional arguments mcc18 [options] file
[options]
Curly brackets and pipe
character: { | }
Choice of mutually exclusive
arguments; an OR selection
errorlevel {0|1}
Ellipses... Replaces repeated text var_name [,
var_name...]
Represents code supplied by
user
void main (void)
{ ...
}
Preface
2016 Microchip Technology Inc. DS50002545A-page 9
RECOMMENDED READING
This user’s guide describes how to use the HV98100 120 VAC Off-Line LED Driver
Evaluation Board. Another useful document is listed below. The following Microchip
document is available and recommended as supplemental reference resource.
• HV98100/HV98101 Data Sheet – “Non-Dimmable, Off-Line, LED Driver with
Low Total Harmonic Distortions” (DS20005640)
THE MICROCHIP WEBSITE
Microchip provides online support via our website at www.microchip.com. This website
is used as a means to make files and information easily available to customers.
Accessible by using your favorite Internet browser, the website contains the following
information:
•Product Support – Data sheets and errata, application notes and sample
programs, design resources, user’s guides and hardware support documents,
latest software releases and archived software
•General Technical Support – Frequently Asked Questions (FAQs), technical
support requests, online discussion groups, Microchip consultant program
member listing
•Business of Microchip – Product selector and ordering guides, latest Microchip
press releases, listing of seminars and events, listings of Microchip sales offices,
distributors and factory representatives
CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
Customers should contact their distributor, representative or field application engineer
(FAE) for support. Local sales offices are also available to help customers. A listing of
sales offices and locations is included in the back of this document.
Technical support is available through the website at:
http://www.microchip.com/support
DOCUMENT REVISION HISTORY
Revision A (October 2016)
• Initial release of this document.
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 10 2016 Microchip Technology Inc.
NOTES:
HV98100 120 V
AC
OFF-LINE LED
DRIVER EVALUATION BOARD
USER’S GUIDE
2016 Microchip Technology Inc. DS50002545A-page 11
Chapter 1. Product Overview
1.1 INTRODUCTION
This chapter provides an overview of the HV98100 120 VAC Off-Line LED Driver
Evaluation Board and covers the following topics:
• HV98100 Device – Short Overview
• HV98100 Device – Key Features
• What Is the HV98100 120 VAC Off-Line LED Driver Evaluation Board?
• Board – Technical Specifications
• What Does the HV98100 120 VAC Off-Line LED Driver Evaluation Board Kit
Include?
1.2 HV98100 DEVICE – SHORT OVERVIEW
The HV98100 LED driver integrated circuit (IC) is an off-line, high-power factor,
buck-boost controller targeted at general LED lighting products, such as LED lamps
and LED lighting fixtures with a maximum power rating of about 15W. The HV98100 IC
is specifically designed to work from a nominal 120VAC input voltage.
Valley-switching buck-boost converters are preferred in off-line applications since they
reduce switching losses. A typical solution is to pair a constant on-time control scheme
with valley switching to achieve both high-power factor and good efficiency. However,
this control scheme results in a higher Total Harmonic Distortion (THD), and the actual
value is dependent on the input and output voltages. The HV98100 IC uses a unique
control scheme (patent pending) to achieve high-power factor and low THD simultane-
ously under all line and load conditions, while maximizing efficiency utilizing valley
switching. The average output current is also controlled in a closed-loop manner to
achieve high LED current accuracy.
Another HV98100 unique feature is the bootstrap of the IC supply voltage from the
output, as well as the unique valley-sensing scheme, which allows the use of a
standard off-the-shelf inductor to minimize the overall system cost.
1.2.1 HV98100 Device – Key Features
• Good average LED current regulation
• Better than 5% current accuracy
• Output overvoltage and output short-circuit protection
• Valley switching buck-boost converter with power factor correction:
- high power factor (> 0.95)
- low THD (< 10%)
• Uses a standard off-the-shelf inductor:
- no auxiliary winding required
• Single input voltage range: 120VAC ± 15%
• Supports 5W – 15W output power
• Available in small, space-saving SOT-23-6L package
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 12 2016 Microchip Technology Inc.
FIGURE 1-1: Typical HV98100 Off-Line LED Driver Circuit.
1.3 WHAT IS THE HV98100 120 VAC OFF-LINE LED DRIVER EVALUATION
BOARD?
The HV98100 120 VAC Off-Line LED Driver Evaluation Board is used to evaluate and
demonstrate Microchip’s HV98100 device in the following topology:
• Buck-boost converter application, supplied from the mains (120 VAC), to drive an
92 – 133V LED load.
The HV98100 120 VAC Off-Line LED Driver Evaluation Board was developed to help
engineers reduce product design cycle time.
1.3.1 Board – Technical Specifications
• Input Voltage = 100V to 135VAC, 50 Hz
• LED String Voltage = 92V – 133V
• LED Current = 120 mA ± 5%
• Output short-circuit protection with auto-restart
• Output open-circuit protection with auto-restart
• Meets CISPR-15 conducted emissions standards
1.4 WHAT DOES THE HV98100 120 VAC OFF-LINE LED DRIVER EVALUATION
BOARD KIT INCLUDE?
The HV98100 120 VAC Off-Line LED Driver Evaluation Board kit includes:
• HV98100 120 VAC Off-Line LED Driver Evaluation Board (ADM00786)
• Important Information Sheet
HV98100
GT
GND
CS IND
COMP
PVDD
M
BBT
L
BBT
R
CS
D
BBT
LED
C
COMP
C
REC
D
PVDD
R
PVDD
C
O
C
PVDD
R
HV
D
HV
R
VD
D
VD
V
AC
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 14 2016 Microchip Technology Inc.
2.3 HOW DOES THE HV98100 120 VAC OFF-LINE LED DRIVER EVALUATION
BOARD WORK?
The evaluation board is designed to control the current through the LED load while
maintaining high-input power factor (PF) and low Total Harmonic Distortion (THD). The
topology used in this evaluation board is an off-line, non-isolated, buck-boost converter.
The IC adopts a novel control mechanism to vary both on-time and switching period at
the same instant over the line cycle in such a way as to force the average input current
to be proportional to input voltage, realizing high-power factor and low THD which is
independent of the load voltage (VO) (unlike a constant on-time control where the THD
is dependent on the LED string voltage).
The LED current (ILED) is sensed directly using an external sense resistor RCS and
compared to an internal fixed reference (CSREF). An internal transconductance
amplifier is used to close the loop on the LED current with an external compensation
capacitor. The LED current can be programmed per Equation 2-1.
EQUATION 2-1:
The driver incorporates valley switching (quasi-resonant switching), a technique for
reducing switching loss at the turn-on event of the buck-boost converter FET. Valley
detect is accomplished by sensing the current sunk into the IND pin when the M1 GATE
is low. Apart from the valley detect, the current sunk into the IND pin when the M1 GATE
is low is used to sense an output overvoltage or open-circuit event.
2.4 TESTING THE BOARD
To start testing the evaluation board, follow these steps:
1. Connect the input AC source and the output LED load as shown in Figure 2-1.
2. Power the board at 120 VAC.
3. Check that the voltmeter measures a voltage between 92V and 133V on the LED
load.
4. Verify the current through the LEDs. It should be within 114 mA and 126 mA
(120 mA ± 5%).
5. If a variable AC source is available, set the input voltage to any value between
100 VAC and 135 VAC. The LED current should still be within ±5% of 120 mA.
6. Power down the AC source.
ILED
CSREF
RCS
-------------------=
WARNING
There are high voltages present on the board when powered up. No part of the
board must be handled when the board is being powered.
Note: Since there is significant capacitance at the output, it takes time for the
output capacitor to discharge once the input AC source is powered down.
There is a green LED indicator on the evaluation board that stays lit as long
as high voltage is present on the board.
Installation and Operation
2016 Microchip Technology Inc. DS50002545A-page 15
2.5 TYPICAL WAVEFORMS
This section shows the typical waveforms that are obtained from the evaluation board.
FIGURE 2-2: Input Voltage and Current Waveforms at Full Load and 120 VAC Input.
FIGURE 2-3: Drain Voltage Waveform Showing Valley Switching at Different Instantaneous Input
Voltage Conditions, Sample 1 and 2 of 3.
Input Current
Input Voltage
Source Voltage,
with reference to TP2
Source Voltage,
with reference to TP2
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 16 2016 Microchip Technology Inc.
FIGURE 2-4: Drain Voltage Waveform Showing Valley Switching at Different Instantaneous Input
Voltage Conditions, Sample 3 of 3.
FIGURE 2-5: LED Current Waveform.
Source Voltage,
with reference to TP2
LED Current
Installation and Operation
2016 Microchip Technology Inc. DS50002545A-page 17
FIGURE 2-6: Start-Up Waveforms Showing Start-Up Delay and the Smooth Rise of the LED
Current.
FIGURE 2-7: Open-Circuit Protection and Recovery from an Open-Circuit Condition.
LED Current
Input Voltage
Output Voltage
LED Current
Output Voltage
LED Current
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 18 2016 Microchip Technology Inc.
2.6 TYPICAL MEASUREMENTS
This section shows the typical measurements that are obtained from the evaluation
board.
FIGURE 2-8: Variation of LED Current vs. Input Voltage, at 133V LED String Voltage.
FIGURE 2-9: Variation of LED Current vs. LED string Voltage, at 120 VAC Line Voltage.
115.0
116.0
117.0
118.0
119.0
120.0
121.0
122.0
123.0
124.0
125.0
100 105 110 115 120 125 130 135
LED Current (mA)
Line Voltage (V
AC, RMS)
115.0
116.0
117.0
118.0
119.0
120.0
121.0
122.0
123.0
124.0
125.0
90 95 100 105 110 115 120 125 130 135
LED Current (mA)
LED String Voltage (V)
Installation and Operation
2016 Microchip Technology Inc. DS50002545A-page 19
FIGURE 2-10: Efficiency vs. Line Voltage, at 133V LED String Voltage.
FIGURE 2-11: Efficiency vs. LED String Voltage, at 120 VAC Line Voltage.
84.0
85.0
86.0
87.0
88.0
89.0
100 105 110 115 120 125 130 135
Efficiency (%)
Line Voltage (V
A
C, RMS)
85.0
86.0
87.0
88.0
89.0
90.0
90 95 100 105 110 115 120 125 130 135
Efficiency (%)
LED String Voltage (V)
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 20 2016 Microchip Technology Inc.
FIGURE 2-12: Power Factor vs. Line Voltage, at 133V LED String Voltage.
FIGURE 2-13: Power Factor vs. LED String Voltage, at 120 VAC Line Voltage.
0.95
0.96
0.97
0.98
0.99
1.00
100 105 110 115 120 125 130 135
Power Factor
Line Voltage (VAC, RMS)
0.95
0.96
0.97
0.98
0.99
1.00
90 95 100 105 110 115 120 125 130 135
Power Factor
LED String Voltage (V)
Installation and Operation
2016 Microchip Technology Inc. DS50002545A-page 21
FIGURE 2-14: Total Harmonic Distortion (THD) vs. Line Voltage, at 133V LED String Voltage.
FIGURE 2-15: Total Harmonic Distortion (THD) vs. LED String Voltage, at 120 VAC Line Voltage.
1.0
2.0
3.0
4.0
5.0
100 105 110 115 120 125 130 135
THD (%)
Line Voltage (V
AC, RMS)
0.0
1.0
2.0
3.0
4.0
5.0
90 95 100 105 110 115 120 125 130 135
THD (%)
LED String Voltage (V)
HV98100 120 VAC Off-Line LED Driver Evaluation Board User’s Guide
DS50002545A-page 22 2016 Microchip Technology Inc.
NOTES:
HV98100 120 V
AC
OFF-LINE LED
DRIVER EVALUATION BOARD
USER’S GUIDE
2016 Microchip Technology Inc. DS50002545A-page 23
Appendix A. Schematic and Layouts
A.1 INTRODUCTION
This appendix contains the following schematics and layouts for the HV98100 120 VAC
Off-Line LED Driver Evaluation Board:
• Board – Schematic
• Board – Top Copper and Pads
• Board – Top Copper, Pads and Silk
• Board – Top Silk and Pads
• Board – Bottom Copper and Pads
DS50002545A-page 24 2015 Microchip Technology Inc.
A.2 BOARD – SCHEMATIC
TUMD2SM
SOT-23
SMA
MBS
12
3
4
BR1
HD06-T
300VAC
TRS 383 1A
F1
1A
305VAC
C2
100nF
L1 3.9mH
RFC1010B-395KE
L3 3.9mH 305VAC
C1
100nF
1
2 3
M1
IPN60R2K1CEATMA
DO5022P-105MLB
L2
1mH
D2
ES1J
EEUEE2D
200V
13
D1
MMBD4148-7-F
D3
RFU02VSM6S
D4
RFU02VSM6S
HDR1
I ND
1
CS 4
GAT E 6
PVDD
5
COMP
3
GND
2
IC1
1
2
3
W1
TE-1776275-3
TP 1
TP 2
49.9k
1206
R3A
49.9k
1206
R3B
1.62R
1210
R1
7.5k
1206
R4A
7.5k
1206
R4B
390k
0805
R5
10R
0805
R2
4.7uF
25V
1206
C3
1uF
50V
0805
C4
CO N1
CO N2
S07K175
MO V1
TUMD2SM
10k
1206
R10
10k
1206
R11
HV98100
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | HV98100 |
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