Hongkong Meitek Technology Company Limited
Shenzhen Hongmao Semiconductor Company Limited
Member of China Power Supply Society(CPSS)
Member of ShenZhen Semiconductor Industry Association(SZSIA)
Recruitment
Agents
www.hmsemicon.com/en
Hongkong Meitek Technology Co., Ltd/Shenzhen Hongmao Semiconductor Co., Ltd. is a leading domes
-tic power management IC/ signal chain IC design and sales enterprise, specializing in all kinds of power
management IC/ signal chain IC design, production and sales.
The company closely combines its own leading advantages in device and process design, and maintains
close cooperation and cooperation with domestic first-class wafer foundries and packaging foundries to
Since its establishment, Hongmao Semiconductor has developed rapidly. Products have covered power
management IC /lithium charging IC/Li-ion BT protection IC /LDO/Low Voltage detection (reset) IC /Swi-tch
boost & buck IC/ voltage reference source IC/ constant voltage constant current control IC/ three-terminal
voltage regulator IC/ General PWM control IC, etc.), LED driver IC/Op Amp IC/Comparator IC/Logic circuit
IC/Analog switch IC/Interface IC and many other types of hundreds of models.
strictly control product quality and ensure product quality and stable supply.
The company currently focuses on the design, production, testing, quality control, sales and service of
power management IC/ signal chain IC.
The company's product positioning: performance and reliability to imported brands and domestic brands,
application positioning in the high-end, cost-effective, pay attention to brand, quality and reputation.
The main team of the company is composed of a group of domestic professional and experienced power
management IC/ signal chain IC engineers.
The company aims to become one of the most valuable suppliers of power management IC/ signal chain
IC in China.
The company is a member of Shenzhen Semiconductor Association and China Power Supply Society.
Based on independent innovation, the company has and is committed to the promotion of "Hongmao
Semiconductor" self-branded products.
In good faith, the company is committed to providing customers with cost-effective products, efficient and
timely delivery, professional technical support and other comprehensive services.
At present, the company's IC products can be widely used in mobile phones, tablet computers, energy
storage, outdoor power supply, BMS (battery management system), electric vehicles, balance vehicles,
charging piles, OBC(car charger), mobile power supply, electronic cigarettes, mini audio (plug-in card
speaker), TWS Bluetooth headset, electronic watches, smart wear, wireless charging, USB PD, sweeping
machine, fascia gun, massager, UAV, model aircraft, point reader & point reader pen, GPS, driving recorder,
LCD TV, LCD display, set-top box, car audio, mobile phone battery, lithium battery protection board, charger,
home appliance control board, electric vehicle control board, various power supplies (UPS power supply/
communication power supply, etc.), adapter, LED lighting (LED day) Light & Bulb light & table lamp /LED
flashlight/headlamp & Mine lamp, etc.), energy-saving lighting, LED display, wireless mouse & keyboard,
wireless anti-theft alarm, wireless transceiver module, game console and handle, POS machine, printer, fax
machine, electric toys, remote control toys, security electronics, network communication, visual doorbell,
electricity meter, water meter, intercom, power tools, Induction cooker, welding machine, inverter, inverter
and other electronic products.
The company adheres to the service spirit of integrity, professionalism and enthusiasm, pursues the
highest customer satisfaction with the most responsible attitude, and regards customers as eternal partners
Our company can order silk screen printing according to customer requirements!
on the road to growth and grow together with customers.
Company profile
Boost converter IC.............................10
Charge pump IC.................................10
Buck converter IC...............................11
High inputvoltage buck converter IC..11
RS232 Interface IC.............................11
Switch buck LED driver IC..................12
Led lamp/bulblamp/desklamp driveIC12
Non-isolated buck circuit IC..............12
Operational amplifier IC.......................13
Comparator IC...................................13
Logic circuit IC...................................14
Analog switch IC.................................14
Real-Time clock and calendar IC........14
DC brush motor drive IC.....................15
MOSFET/IGBT gate driver IC............16
O
mnipolar/unipolar hall effect switch...16
3-terminal positive voltage regulators ..17
Switching converter regulator IC.......17
PWM controller IC.............................17
CV and CC controller IC....................18
Voltage reference IC...........................18
Syn-Rectification IC...........................18
Darlington transistor array IC..............18
New Product Catalog
Single linear LFP NiMH/NICd charge IC..
Reverse bt protection li-ion charge IC
L
D
O I
C...............................................1
Enable L
D
O
I
C...................................1
High Input voltage
L
D
O
I
C.................2
Enable high input voltage
L
DO
I
C....3
Single switch buck Li-ion charge
I
C...3
Switch boost charge IC...................4
High Input /ovp li-ion battery charge IC...4
4
5
Solor powered charge IC..................5
4
.
3
5
V
Li-ion charge management
I
C6
Littile Capacity
Li-ion charge
I
C..........7
E-Cigarette IC...................................8
Single Li-ion Battery Protection IC.....8
2Cells Li-ion Battery Protection IC.....8
1Cell Li-ion protection IC include MOS .....9
Low voltage detect IC(Reset IC)......9
USB current-limit and protection IC..........9
Watchdog IC...................................10
Synrectification boost converter ic..1
Tws bluetooth earphone charge ic....6
R
everse vdd protection and reverseBT
Protection function li-ion charge IC....6
0