SAN JOSE, Calif., Dec. 4, 2018 /PRNewswire/
-- Designers of small, battery-powered electronics can enhance
the user experience by extending battery life and further shrinking
device size with six new low-power power-management integrated
circuits (PMICs) from Maxim Integrated Products, Inc. (NASDAQ:
MXIM). The MAX17270, MAX77278,
MAX77640/MAX77641 and MAX77680/MAX77681 PMICs help to
reduce the power-management footprint by up to 50 percent for
space-constrained products such as wearables, hearables, sensors,
smart-home automation hubs and internet of things (IoT) devices.
They increase the overall system efficiency by nine percent
compared to the closest competitive solution, while also reducing
heat dissipation, an important consideration for wearable products
that make skin contact.
- Details about the MAX17270:
www.maximintegrated.com/products/MAX17270
- Details about the MAX77278:
www.maximintegrated.com/products/MAX77278
- Details about the MAX77680/1:
http://www.maximintegrated.com/products/MAX77680
- Details about the MAX77640/1:
http://www.maximintegrated.com/products/MAX77640
- Hi-res image: http://bit.ly/MAX_SIMO_PMICS
Designers are striving to make electronic gadgets more integral
in consumers' lives by scaling down their form factor, reducing
heat, improving efficiency and extending battery life. Meeting each
of these criteria is a formidable challenge given the rich feature
sets, lower thermal thresholds and smaller capacity batteries
required to achieve increasingly compact solution sizes. Maxim is
expanding its portfolio of SIMO PMICs to enable designers to
overcome these challenges, continuing the compact size and
efficiency precedents set by MAX77650/MAX77651. The unique control
architecture in the MAX17270, MAX77278, MAX77640/MAX77641 and
MAX77680/MAX77681 PMICs allows a single inductor to serve as the
critical energy-storage element for multiple, independent DC-rail
outputs. This allows engineers to reduce the number of bulky
inductors in their designs, thereby improving efficiency, shrinking
form factor and reducing heat dissipation. In addition, the low
quiescent current of the PMICs plays an important role in extending
battery life. With the intrinsic buck-boost operation of the PMICs,
the power rails can operate over a battery's entire range.
MAX17270: Smallest Size and Lowest Quiescent Current
At 50 percent smaller than previous-generation SIMO-only solutions,
the MAX17270 SIMO buck-boost converter provides the industry's
smallest solution size while reducing the number of inductors and
ICs that are required for a power tree. Its quiescent current of
850nA for one SIMO channel and 1.3µA for three SIMO channels is the
lowest in the market and helps extend battery life of end devices.
In addition, the product's low power consumption prevents
overheating and reduces frequent charging cycles for wearables and
hearables. They are available in TQFN and WLP package options.
MAX77278: Power Path Charger Optimized for Small Li+
Batteries
This ultra-low-power SIMO PMIC provides three
buck-boost regulators with independent voltage outputs
(0.8VOUT to 5.25VOUT), 16µA operating
quiescent current/300nA standby current and flexible power
sequencing. The device is also a charger for small Li+ cells (7.5mA
– 300mA CC range). It includes an adjustable 425mA current sink for
an LED, eight general-purpose input/output (GPIO) pins and a
3.7125V to 5.3V, 50mA low-noise low-dropout regulator (LDO) with
fixed headroom control in a total solution size as low as
24mm2. The PMIC's I2C interface allows an
applications processor to monitor the status and control power
management. The MAX77278 is ideal for remote controls,
health and fitness monitors, body cameras and IoT applications.
MAX77640/MAX77641: Highly Integrated Battery Charging and
Power Solutions
These ultra-low-power SIMO PMICs
feature three buck-boost regulators, a low-noise 150mA LDO, a GPIO
output port, a triple current sink for an RGB LED array and
flexible power sequencing. Operating current is just 5.6µA and
shutdown current is 300nA. Available in a 16mm2 total
solution size, the MAX77640 and MAX77641 are ideal for applications
with a built-in charger in areas like wearables, fitness and health
monitoring and IoT.
MAX77680/MAX77681: Mini PMICs for Always-On, Low-Power
Applications
These ultra-low-power SIMO PMICs provide three
buck-boost regulators, 3.0µA operating quiescent current, 300nA
shutdown current and flexible power sequencing. Total solution size
is only 15.5mm2. Given their feature set, the MAX77680
and MAX77681 are ideal for more minimalistic platforms that require
streamlined resources, such as hearables (Bluetooth®
headsets/earbuds) and miniaturized IoT devices (rings, watches,
e-pens).
Commentary
- "As small, connected mobile devices become more sophisticated,
they also require more power rails," said Kevin Anderson, senior analyst, Power IC
Research at IHS Markit. "Any technology that allows designers to
add functionality, reduce form factor and improve power management
simultaneously will find interest among developers who need to
shrink the design footprint of their devices to make them more
attractive to end users."
- "The challenge facing developers is how to include the
processor, high-quality audio, near-field communication, wireless
connectivity and multiple sensors in wearable form factors that
conserve precious battery life and manage the thermals, given that
these devices often come in contact with heat-sensitive skin," said
Karthi Gopalan, director of business
management, Mobile Power Business Unit, Maxim Integrated. "These
SIMO PMICs continue our tradition of providing one-stop power
management solutions for a wide range of next-generation, low-power
designs."
Support, Availability and Pricing
- The MAX17270 is available for $1.84 (1000-up, FOB USA); the MAX77278 is available for
$2.18 (1000-up, FOB USA); the MAX77680 and MAX77681 are available
for $1.24 (1000-up, FOB USA); and the MAX77640 and MAX77641 are
available for $1.71 (1000-up, FOB
USA) at Maxim's website. The ICs
are also available from select authorized distributors.
- The MAX17270EVKIT# evaluation kit is available for $100; the MAX77278EVKIT# evaluation kit is
available for $100; the
MAX77680/MAX77681EVKIT# evaluation kit is available for
$100; and the MAX77640/MAX77641EVKIT#
is available for $100.
About Maxim Integrated
Maxim Integrated develops
innovative analog and mixed-signal products and technologies to
make systems smaller and smarter, with enhanced security and
increased energy efficiency. We are empowering design innovation
for our automotive, industrial, healthcare, mobile consumer and
cloud data center customers to deliver industry-leading solutions
that help change the world. Learn more at
https://www.maximintegrated.com.
Contact:
|
Tom Murphy
|
|
408-601-3145
|
|
Thomas.Murphy@maximintegrated.com
|
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SOURCE Maxim Integrated