FTMEMEAOctober2014.pdf

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ISOLATION CALCULATOR
INSIDE – SEE PAGE 2
Component Focus: pages 3-18
New ams sensor module provides for a superior
display-viewing experience in any ambient light
Application Spotlight on
Design Note: page 19
Microcontrollers
and DSPs
How to give expensive components protection from
ESD risks without sacrificing performance
Application Spotlight: pages 20-25
Atmel’s ARM
®
Cortex
®
-A5 processor offers 720p
video decoding and advanced encryption
Adding sophisticated intelligence and connectivity
with an off-the-shelf computing system-on-module
Technical View: pages 26-27
141001:
For more information e-mail
info@my-ftm.com
COMPONENT
FOCUS
–
STAR
PART
Family of digital temperature sensors
provides I
2
C and SMBus outputs
ATMEL
The Atmel AT30TS family of digital
temperature sensors provides a
complete, real-time temperature-
monitoring solution which operates over
the -55°C to 125°C temperature range.
The devices produce digitised temperature
data via a standard I
2
C/SMBus-compatible
serial interface, eliminating the need for any
external components such as ADCs or data
post-processing blocks.
The family includes variants that offer
selectable temperature resolutions and
conversion rates, fault-tolerance queuing, and
selectable hysteresis thresholds to account for
minor temperature variances near the
programmed temperature limits.
Non-volatile configuration and temperature
limit registers are also available, to retain
application-specific configurations and user
preferences even when the devices are
powered off.
The AT30TS74, AT30TS75A, AT30TS750A,
AT30TSE752A, AT30TSE754A and
AT30TSE758A are drop-in replacements for the
industry-standard LM75-type devices.
The AT30TS74 is available in a tiny 4-ball
WLCSP package, which is perfect for space-
constrained applications and allows for the
closest placement of the temperature sensor
next to the heat source to be monitored.
Some devices also feature integrated non-
volatile registers. This improves application
safety and reliability by allowing pre-configured
power-up settings to be permanently retained
across power cycles. It also keeps the
microcontroller’s involvement
in the power-up process
to a minimum.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
•
•
•
•
•
•
•
•
•
APPLICATIONS
DDR4/DDR3 DIMM memory
Lithium ion and lithium polymer batteries
Plasma and LCD TVs
Solid-state drives and servers
Digital video recorders
Energy meters and industrial controls
Surveillance cameras
Smart lighting
Medical equipment
•
SMBus time-out
•
I C High-speed Mode or Fast Mode Plus
•
Supports two or three programmable
2
FEATURES
PRODUCT
STAR
temperature limits
141002:
FREE
BOARDS
For samples or pricing e-mail
info@my-ftm.com
Digital temperature sensing
The kit includes an AT88Microbase board, an AT30TK175
daughterboard, a ribbon cable to support remote
sensing, and a USB cable extension.
Orderable Part Number:
AT30TK175STK
Apply now at my-boardclub.com
Fast-track board request code: FTM410A
Atmel AT30TS: drop-in replacement for LM75-type devices
61V buck regulator features adjustable current limit
STMICROELECTRONICS
The L7987L from STMicroelectronics is
a monolithic step-down switching
regulator with an adjustable current
limit, and capable of producing an
output of up to 2A.
The device’s adjustable current
limit enables the designer to
specify an inductor with an
average current rating appropriate
to the nominal output current.
This means that the size of the
inductor may be kept to a
minimum. At the same time, the
high switching frequency, up to a
maximum of 1.5MHz, restricts the
amount of capacitance required in
the circuit. Together, these
features help the designer to
realise a compact power system.
The L7987L, which implements
a voltage-mode, constant-
frequency control loop, produces
an output voltage that may be
adjusted from a low of 0.8V up to
the value of the input voltage.
Operating across a wide input-
voltage range of 4.5V to 61V and a duty cycle
up to 100%, the L7987L meets the fail-safe
specifications set in industrial systems.
Pulse-by-pulse current sensing with digital
frequency fold-back provides for effective
constant-current protection in all operating
conditions. In addition, peak-current fold-back
reduces the stress on power components in
extreme short circuits.
Multiple devices may be synchronised via the
Synch pin to prevent beating noise in noise-
sensitive applications such as analogue
sensing. The embedded switch-over feature
on the Bias Voltage pin maximizes efficiency at
light loads.
WORKING PARTNER
Atmel’s SAMA5D4: page 20
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
•
24V bus power systems
•
Fail-safe systems
•
Programmable logic controllers
•
300mΩ on-resistance
•
Switching frequency adjustable from
•
•
•
•
250kHz to 1.5MHz
11µA typical shut-down current
1mA typical quiescent current
Adjustable soft-start time
Output-voltage sequencing
APPLICATIONS
FEATURES
141003:
For samples or pricing e-mail
info@my-ftm.com
©Copyright 2014 Future Electronics Ltd. All trademarks contained herein are the property of their respective owners.
Applications for product samples, badge boards, demonstration boards, Future Electronics’ boards and other advertised materials from Future Electronics are offered subject to qualification.
3
COMPONENT
FOCUS
60V MOSFET family adds new members offering high
efficiency and current density
INTERNATIONAL RECTIFIER
International Rectifier has added 19
new devices to its 60V StrongIRFET
™
power MOSFET family, which offers low
on-resistance with very high current
capability for the industrial
market in a versatile range
of through-hole and surface-
Part Number
mount power packages.
IRF7580M
wirebond-free construction delivering
enhanced reliability.
Moreover, the DirectFET
®
package meets all
RoHS requirements such as a completely
lead-free bill of materials, and is, therefore,
ideally suited for long-lifecycle designs.
Alternative high-performance packages feature
lead (Pb) die attach under RoHS exemption
7(a) which is due to expire in 2016.
I
D
@ 25ºC
116A
100A
110A
85A
71A
240A
240A
195A
195A
195A
110A
195A
195A
195A
195A
195A
110A
85A
58A
Maximum
on-resistance
@ V
GS
= 10V
3.6Ω
3.2Ω
4.8Ω
5.2Ω
7.9Ω
1.4Ω
1.9Ω
2.0Ω
2.4Ω
3.3Ω
5.1Ω
2.0Ω
2.0Ω
2.4Ω
3.3Ω
3.3Ω
5.1Ω
5.9Ω
7.3Ω
Package
Medium Can;
DirectFET
™
(ME)
PQFN 5x6 (B)
D-PAK
PQFN 5x6 (E)
D-PAK
D2-PAK-7
D2-PAK-7
D2-PAK
D2-PAK
D2-PAK
D2-PAK
TO-220
TO-247
TO-220
TO-220
TO-247
TO-220
TO-220
TO-220
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
60V MOSFETs: standard and high-performance package options
The ultra-low on-resistance of
these devices helps boost
efficiency in low-frequency
applications. The devices also
have a typical threshold voltage
of 3V, which improves noise
immunity. Each device in the
family is 100% avalanche tested
at the industry’s highest
avalanche-current levels to
ensure the most robust solution
for demanding industrial
applications.
Various standard and high-
performance package options
are available, such as the low-
profile, ultra-compact Medium
Can (ME) DirectFET
®
package
that delivers high current density
while reducing overall system
size and cost. Devices in this
package, such as the
IRF7580M, are well suited for
space-constrained high-power
industrial designs, and feature
IRFH7085
IRFR7540
IRFR7545
IRFR7546
IRFS7530-7P
IRFS7534-7P
IRFS7530
IRFS7534
IRFS7537
IRFS7540
IRFB7530
IRFP7530
IRFB7534
IRFB7537
IRFP7537
IRFB7540
IRFB7545
IRFB7546
•
Power tools
•
Light Electric Vehicles (LEV)
•
Inverters including solar, back-up and
•
•
•
APPLICATIONS
mobile
DC-motor drives
Li-ion battery-pack protection
Switched-Mode Power Supplies (SMPS)
•
Designed for industrial applications
•
Ultra-low on-resistance
•
High-current capability, highest in the
•
•
•
FEATURES
industry for some packages
Wide portfolio
Softer body diode improved performance
in low-frequency applications
3V typical threshold voltage to improve
noise immunity
For samples or pricing e-mail
info@my-ftm.com
141004:
AC thyristor triac safely handles high
transient voltages
NXP SEMICONDUCTORS
The ACTT10-800C from NXP
Semiconductors is an AC thyristor triac
power switch featuring clamping
capabilities which protect it against low-
and high-energy transients.
It is rated for a repetitive peak voltage of 800V,
and can withstand pulsed peak currents of
90A. The clamping voltage is rated at 850V. Its
over-voltage withstand capability complies with
the IEC 61000-4-5 standard.
The gate is triggered by a maximum current of
35mA, and only in three quadrants. This
relatively insensitive gate is useful in applications
calling for high noise immunity.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
•
AC fan, pump and compressor controls
•
Highly inductive, resistive and safety loads
•
Large and small appliances
•
White goods
•
Reversing induction-motor controls
•
Full-cycle AC conduction
•
Pin-compatible with standard triacs
•
Planar-passivated for voltage ruggedness
•
•
FEATURES
APPLICATIONS
and reliability
Protective automatic turn-on capability for
high-energy transients
Very high immunity to false turn-on by dV/dt
For samples or pricing e-mail
info@my-ftm.com
141005:
The ACTT10-800C triac has an 850V maximum clamping voltage
4
EMAIL INFO@My-FTM.COM FOR SAMPLES AND DATASHEETS
COMPONENT
FOCUS
Miniature immersible fluid-temperature sensor is
robust, responsive and accurate
VISHAy
The Vishay NTCAIMME3 miniature
immersion sensor for fluid-temperature
sensing combines a number of features
that allow a long service life, versatile
mounting options, and accurate
temperature measurement.
The NTCAIMME3 consists
of an NTC thermistor chip
mounted in a stainless-
steel housing, which allows
the sensor to remain in
permanent contact with the
monitored fluid.
The tip of the sensor is
small, with a diameter of
only 2.0mm, which allows
fast and accurate sensing
of the fluid temperature.
Typical response time is
1.5 seconds. In addition,
the electrical connection is
made through twin PVC-
insulated AWG #30 lead
wires, which impose minimal heat loss helping
to promote sensing accuracy and precision.
Together, the small tip size and thin-gauge wire
help to achieve overall thermal gradient of less
than 0.02K/K.
The NTCAIMME3 is available with a brass
collar for applications that require a sealed
mounting. An alternative version without the
collar is also available, and is suitable for
custom mounting. The end wire is suitable for
soldered or crimped termination, and
equipment designers can also choose the
option of a connector for wire-to-wire or wire-
to-board connection.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
•
Water boilers
•
Heating or chiller systems
•
Water and used-water systems
•
Water or oil tanks
•
Consumer appliances
•
Industrial appliances
•
Solar-powered heating systems
•
Resistance value at 25°C (R25):
•
•
•
FEATURES
APPLICATIONS
10kΩ ±3%
B25/85 value: 3984K ±5%
100mW maximum power dissipation
Measurement-temperature range:
25°C to 105°C
For samples or pricing e-mail
info@my-ftm.com
141006:
Vishay’s NTCAIMME3 captures temperature measurements in liquid in just 1.5s
Small-outline, custom crystal oscillators cut NRE costs
and lead-times
ABRACON
For engineers needing low to mid
annual volumes of custom-frequency
Temperature-Compensated Crystal
Oscillators (TCXOs), the Abracon
ASGTX series now delivers a fast-
turnaround, NRE-free solution.
An ASGTX series fixed-frequency TCXO or
Voltage-Controlled TCXO (VCTCXO) can be
delivered within days, avoiding the typical
waiting time of 12 weeks or longer for custom
oscillators from other manufacturers. The
oscillators are available at any desired
frequency from 10MHz to 1.50GHz, such as
149.875MHz or 1.00GHz, with stability as tight
as ±1.00ppm over temperature. No other
solution in the marketplace currently offers
such capability, especially in the small ASGTX
form-factor of 9.0mm x 7.0mm x 2.24mm.
ASGTX oscillators are suitable for a wide
variety of precision timing applications where
TCXOs or VCTCXOs are typically employed.
They can also be used in high-frequency
Local-Oscillator (LO) applications to replace
traditional SAW-
based oscillators,
which are typically
only available at a
few fixed frequencies,
often in 9mm x
14mm or larger
packages, and can
vary by as much as
±100ppm over
temperature. The
ASGTX series can
provide any carrier
frequency from
10MHz to 1.50GHz,
is stable to within
±1.00ppm over -30ºC to 70ºC and ±2.00ppm
over -40ºC to 85ºC, and offers the advantage
of a small form factor. There is no NRE or lead
time, and devices are available with LVCMOS
output from 10MHz to 250MHz, or LVDS or
LVPECL output from 10MHz to 1.50GHz.
Abracon has also launched a new web-
based reference design tool that helps
engineers to link the ICs used in reference
designs, such as microcontrollers, to the
correct crystal-oscillator part number. For more
information, and to gain password-protected
entry, contact RefDesign@Abracon.com.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
•
•
•
•
•
APPLICATIONS
Carrier infrastructure equipment
Point-to-point communication networks
Ethernet equipment
Embedded electronics
Test and measurement equipment
•
LVCMOS output at any frequency
•
LVDS/LVPECL output at any frequency
•
Low phase noise, harmonics and spurious
•
±10ppm minimum guaranteed pull ability
•
1.80ps maximum guaranteed RMS jitter
@ 1.50GHz carrier
in VCTCXO mode
content
between 10MHz and 1.50GHz
between 10MHz and 250MHz
FEATURES
141007:
For samples or pricing e-mail
info@my-ftm.com
VISIT THE ONLINE FTM MAGAZINE AT: WWW.My-FTM.COM
5

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