All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.
The information furnished in this publication is subject to changes without notice.
ZLED7030
High Current 40V LED Driver with Switch Dimming
ZLED7x30 Block Diagram
6 to 40 VDC
V
S
I
SENSE
(C1)
C2
0.1µF
1
VCC
2
Rs
D1
(C3)
n LED
L1
33µH to
220µH
V
IN
VCC
SD
Power
Supply,
Oscillator
and
Under-
Voltage
Detection
(UV)
VDDA
VDDD
I
SENSE
V
REF
UV
POR
CLK
SD
S
V
IN
Power
MOS
8
LX
I
SENSE
And
Driver
DR
SD
6
DIM1
DIM2
5
Analog
Dim
Logic
Dim
Select
Shut-
down
Trim
ZLED7x30
GND
7
Typical Applications
Illuminated LED signs and other displays
LED street and traffic lighting (low voltage)
Architecture/building LED lighting
LED backlighting
Interior/exterior LED lighting
MR16 LED spot lights
Retrofit LED lighting fixtures
General purpose industrial and consumer LED applications
Ordering Information
Product Sales Code Description
ZLED7030-ZI1R
ZLED7330-ZI1R
ZLED7530-ZI1R
ZLED7730-ZI1R
ZLED7030KIT-D1
ZLED-PCB8
ZLED7030 – High Current (1200mA) 40V LED Driver with Switch Dimming
ZLED7330 – High Current (1000mA) 40V LED Driver with Switch Dimming
ZLED7530 – High Current (750mA) 40V LED Driver with Switch Dimming
ZLED7730 – High Current (350mA) 40V LED Driver with Switch Dimming
ZLED7030-D1 Demo Board, 1 ZLED-PCB8 and 5 ZLED7030 ICs
Test PCB with one 5W white High Brightness (HB) LED, cascadable to one
multiple LED string
Package
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
SOP-8 (Tape & Reel)
Kit
Printed Circuit Board (PCB)
Sales and Further Information
Zentrum Mikroelektronik
Dresden AG (ZMD AG)
Grenzstrasse 28
01109 Dresden
Germany
Phone +49 (0)351.8822.7.533
Fax
+49 (0)351.8822.8.7533
www.zmdi.com
Zentrum Mikroelektronik
Dresden AG, Japan Office
2nd Floor, Shinbashi Tokyu Bldg.
4-21-3, Shinbashi, Minato-ku
Tokyo, 105-0004
Japan
Phone +81.3.6895.7410
Fax
+81.3.6895.7301
LED_Drivers@zmdi.com
ZMD FAR EAST, Ltd.
3F, No. 51, Sec. 2,
Keelung Road
11052 Taipei
Taiwan
Phone +886.2.2377.8189
Fax
+886.2.2377.8199
ZMD America, Inc.
8413 Excelsior Drive
Suite 200
Madison, WI 53717
USA
Phone
Fax
+1 (608) 829-1987
+1 (631) 549-2882
DISCLAIMER: This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Zentrum Mikroelektronik Dresden AG (ZMD AG) assumes no obligation
regarding future manufacture unless otherwise agreed to in writing. The information furnished hereby is believed to be true and accurate. However, under no circumstances shall ZMD AG be liable to any customer, licensee, or
any other third party for any special, indirect, incidental, or consequential damages of any kind or nature whatsoever arising out of or in any way related to the furnishing, performance, or use of this technical data. ZMD AG
hereby expressly disclaims any liability of ZMD AG to any customer, licensee or any other third party, and any such customer, licensee and any other third party hereby waives any liability of ZMD AG for any damages in
connection with or arising out of the furnishing, performance or use of this technical data, whether based on contract, warranty, tort (including negligence), strict liability, or otherwise
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.
ZLED7030
High Current 40V LED Driver with Switch Dimming
Contents
1
IC Characteristics .......................................................................................................................................................... 6
1.1
1.2
1.3
1.4
2
2.1
2.2
2.3
2.4
Absolute Maximum Ratings ................................................................................................................................... 6
ZLED7x30 Protection Features ............................................................................................................................ 14
LED Open-Load Protection ........................................................................................................................... 14
Sense Resistor Rs ........................................................................................................................................ 16
Pin Configuration and Package ................................................................................................................................... 21
Ordering Information ................................................................................................................................................... 22
Document Revision History ......................................................................................................................................... 23
I installed an ISA card on my industrial computer and installed the driver (both purchased from other companies). It works fine with a single-core CPU, but when I changed to a dual-core CPU, the colle...
As the title says, in order to make our embedded section more livable, we hope that we can act together. So [b]STEP 1[/b]: Talk about the embedded website or forum you think is good, and explain why. ...
The ADC module of the LM3S811 has a conversion resolution of 10-bit and supports 4 input channels, as well as an internal temperature sensor. The hardware can average up to 64 sample values to improve...
[size=14px]A minimum system should include the following parts to be able to be used normally: [/size] [size=14px][b]Power supply, reset circuit, clock, BOOT circuit, debug interface, firmware downloa...
The PCB, steel mesh and solder paste arrived today. The STM32 microcontroller should arrive tomorrow. I will take some time to solder it and see the effect.
The steel mesh area is quite large, and oth...
littleshrimpST Sensors & Low Power Wireless Technology Forum
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
introduction
In recent years, with the increasing number of high-rise buildings, the demand for elevators has also increased. Currently, the elevators we use most often use LED dot array displ...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
Challenges come from multiple dimensions, and data centers on wheels require more rigorous testing.
Comparing the past, present, and future of automobiles, one clear trend emerges: cars ...[Details]
Preface
Embedded systems have been widely used in mobile phones, wristbands, tablet computers, and other devices. However, due to the limited processing performance of their central processing...[Details]
summary
NFC (Near Field Communication) is a short-range, high-frequency wireless communication technology that allows contactless, point-to-point data exchange (within ten centimeters) between...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
The development of electric vehicles is unstoppable. More and more people are choosing new energy vehicles. With the subsidies provided by the state and the shortage of resources, new energy vehicl...[Details]
Chengdu Huanshi Co., Ltd. (hereinafter referred to as "Huanshi Intelligence"), a vision technology company, recently announced the completion of a multi-million yuan angel round of financing. Tianr...[Details]
On July 29th, Leadshine announced on its interactive platform that its products have been tested and trialed by hundreds of companies and module manufacturers, including those in collaborative robo...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]