Feature Story
Richtek Wide
Input Voltage Range DC/DC Power Solutions for Industrial, Automotive
and LED lighting Applications
|
|
Richtek offers comprehensive power conversion solutions
for input voltages ranging from 1.4V up to 80V, suitable
for a wide range of applications in the industrial, automotive,
and professional lighting field.
Key features for these parts are: Robust control architectures
for coping with noisy environments, PGOOD and adjustable
Soft-start for power sequencing, thermally enhanced packages
for operation in higher ambient temperatures, and fully
stable with all ceramic input and output capacitors for
extended operation life time.
|
|
We also offer products qualified over -40°C to 85°C
industrial temperature range as well as automotive AEC-Q100
standard qualified parts.
The selected wide Vin product range highlights Richtek linear
and switching converters, from low quiescent LDOs to highly
efficient step-up and step down converters and controllers,
LED lighting drivers, Power Switches and DDR terminators.
Suitable
for demanding applications fields:
|
 |
 |
 |
 |
|
Industrial |
Automotive |
Communications |
Professional LED Lighting |
|
• eMetering
• Embedded Computing
• Industrial control systems
• Portable equipment
• Instrumentation
• Surveillance Cameras
|
• Infotainment
• USB power
|
• Networking
• Servers
• Data storage
|
• Car lighting
• Street Lighting
• Display lighting
• Lighting controls
|
Find out what we can offer:
|
VIN
/ IOUT
|
Products |
Applications |
|
1.4V~6VIN,
up to 4A |
Buck converters
AEC-Q100
LDOs AEC-Q100 & 3T grade
|
Li-ion battery
powered applications, 5V input power rails and intermediate
power conversions. |
|
4V~18VIN,
up to 6A |
Buck converters
3T grade |
Applications powered
from 5V~12V power rails, intermediate power conversions,
etc. |
|
3V~24VIN,
up to 8A |
Buck converters |
Applications powered
from 12V system power rails requiring extra input voltage
de-rating |
Also see:
Application note “Buck
converter selection criteria’’
Application note “Comparing
Buck converter topologies – Current mode, CMCOT™
and ACOT®’’
|
|
3.5V~36VIN,
up to 0.6A |
Buck converters
low quiescent LDO AEC-Q100
|
Applications powered from 24V rails for powering low power MCUs in e-metering, lighting controls, sensors, etc. |
Also see:
Application note “How
to power small MCU’s from industrial supply rails”
|
|
4.5V~36VIN,
up to 5A |
Buck converters
AEC-Q100 & 3T grade
|
Medium power applications from 24V power rails, such as USB supply, displays, medium power MCUs, Instrumentation, etc. |
|
4.5V~80VIN,
230mA |
LDOs |
Applications powered
from highly fluctuating power rails (±60/±80V),
such as automotive battery powered applications, for low
power MCUs, sensors, etc. |
|
4.5V~29VIN
|
Boost controller |
Applications with
high boost power, such as 24V to 48V conversion, large display
backlighting, thermal printers, battery pack charging, etc.
|
4.5V~150VIN
Constant Current |
Constant current
LED drivers
Buck/Boost converters & controllers AEC-Q100
|
Industrial/automotive
LED lighting applications, such as high LED string applications,
street lighting, display backlight, etc. |
|
Others
|
Power Switch
AEC-Q100 &
DDR termination regulator
3T grade
|
For more information, please read the full article
in the application note “Richtek Wide Input Voltage Range
DC/DC Power Solutions “
Get your design started
in no time with “Richtek
parametric search’’ and “Richtek
Designer™’’ |
New Products |
|
|
RT6237/8/9 family are 4.5V~18V input,
7A/8A/9A, 500kHz, ACOT®
Synchronous Buck Converters with adjustable
Soft-Start and Power Good output in UQFN-14L 2x3 package.
These high current parts with ultra fast transient response
and characterized over full -40°C to 85°C
temperature range are great for core supply
rails in STBs, and industrial & commercial
low power systems.
|
|
|
RT9536 is a DC adapter/USB input
linear single cell Li-ion Battery Charger IC
with a 50mA LDO output and status indicators in WDFN-10L
3x2 package. It allows 4.2V or
4.35V/2.3A factory mode without battery
and programmed charging current, ideal forportable applications
requiring charge currents up to 1A.
|
|
|
RT7255 is a 4.3V~18V input,
0.6V~8V output, 1.5A,
500kHz ACOT® Synchronous Buck converter
with Power Good and Adjustable Soft-Start
in cost-effective SOT-23-8 package.
Ideal for cost sensitive small footprint applications
requiring low current and PGood signaling.
|
|
|
RT6266 is a 7.5V~36V input,
2.4A, 100kHz Asynchronous Buck
converter with adjustable output line
drop compensation in SOP-8 package. The high
36V input rating and robust current mode architecture
with programmable output current limit makes it especially
suitable for 5V adaptors and
USB chargers powered from automotive cigarette
lighter socket.
|
|
|
RT4812 is a 1.8V~5.5V
single Li-ion cell input, 1.8V~5.5V output, up to
2A load current CMCOT synchronous
Boost converter. It features 40mΩ/20mΩ
low R DS(ON),
true load disconnect and programmable 3.3A/5.3A
current limit setting. Housed in a tiny TSOT-23-8 package,
it is ideal for providing 5V system and USB
power from single Li-Ion battery powered applications.
|
|