FTMEMEAApril2015.pdf

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Component Focus: pages 2-10
Vishay’s UV sensor integrates a photo-diode and
signal-processing circuitry in a tiny package
Design Note: pages 11-12
Avago shows how to calculate creepage and
clearance requirements in high-voltage systems
Application Spotlight: pages 13-19
NXP upgrades its SLIX family of wireless
authentication chips
Technical View: pages 20-23
Bluetooth
®
Smart explained and how to choose
the right module for a Bluetooth Smart design
NEWS
IN
BRIEF
STAR
PRODUCT
New Digital PoL standard for
high-current applications
The Architects of Modern Power (AMP
Group) consortium has announced a new
standard aimed at establishing common
mechanical and electrical specifications for
the development of advanced power-
conversion technology for use in distributed
power systems.
The teraAMP
standard, designed for
non-isolated digital Point-of-Load (POL) DC-
DC converters, will extend the current range
for the group’s architecture up to 120A,
while supporting both vertical and horizontal
mechanical configurations. The AMP Group
members manufacturing standards-
compliant power supplies are CUI, Murata
and Ericsson Power Modules.
New cryptographic chip secures
smart, connected and IoT systems
ATMEL
$10 PSoC 5LP prototyping kit
Cypress Semiconductor has released a low-
cost prototyping kit for its PSoC
®
5LP
programmable system-on-chip with a 32-bit
ARM
®
Cortex
®
-M3 core. The $10
CY8CKIT-059 kit, combined with Cypress’s
free, easy-to-use PSoC Creator
integrated
design environment and hundreds of
example projects, enables rapid prototyping
of designs and helps designers to cut time
to market.
The PSoC 5LP architecture provides a
24-bit digital filter co-processor and 24
programmable digital blocks. A high-
performance DMA controller enables smart
peripherals to operate in parallel to the ARM
Cortex-M3 core. PSoC 5LP one-chip
solutions are ideal for a wide range of
applications, including motor control, digital
power management, switch-mode power
supplies, solar inverters and metering.
PRODUCT
STAR
The AT88CK590 evaluation kit for the CryptoAuthentication family
has a convenient USB interface for use on a PC
Atmel has made a breakthrough in the
provision of security functionality for
Internet of Things (IoT) devices and
other connected systems with the
launch of the ATECC508A, the latest
member of its CryptoAuthentication
product family.
The Atmel
®
ATECC508A is the first device to
implement the Elliptic Curve Diffie–Hellman
(ECDH) security protocol – an ultra-secure
method for providing key agreement when
encrypting and decrypting data shared between
two devices – in a small, low-power device
suitable for use in IoT equipment. It also
implements the Elliptic Curve Digital Signature
Algorithm (ECDSA) to provide for sign-verify
authentication.
The CryptoAuthentication portfolio now
includes two series of devices offering
advanced Elliptic Curve Cryptography (ECC)
capabilities. Because the new ATECC508A has
ECDH and ECDSA built-in, it enables design
engineers to easily provide confidentiality, data
integrity and authentication in systems that use
a microcontroller or microprocessor running
encryption/decryption algorithms such as
Advanced Encryption Standard (AES) in software.
Like all Atmel CryptoAuthentication products,
the new ATECC508A employs hardware-based
cryptographic key storage and cryptographic
counter-measures, which are more secure than
software-based key storage.
It is compatible with any MCU or MPU on the
market today. Drawing a typical current of just
3mA in Active mode, it consumes very little
power, and requires only a single general-
purpose I/O.
The ATECC508A is available in versions with
either an I
2
C or a single-wire interface, and in
eight-lead SOIC, eight-pad UDFN or three-lead
contact packages.
WORKING PARTNER
Atmel’s ATSAMD10/D11: page 4
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
Home automation
Industrial networking
Authentication of accessories and
consumables
Medical equipment
Mobile devices
High-current automotive
MOSFETs now available in
TO-Leadless packaging
Fairchild has developed new versions of its
PowerTrench
®
MOSFETs for automotive
applications, housed in a high-power TO-
Leadless (TO-LL) package. The innovative
TO-LL technology offers extremely low
package resistance, a small footprint, and
provides for very good EMI behaviour.
Typical applications for the TO-LL
packaged devices include battery
management in electric and hybrid-electric
vehicles, battery safety switches, start-stop
systems, motor drives and active-
rectification alternators.
©Copyright 2015 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.
FEATURES
Support for X.509 certificate formats
256-bit SHA/HMAC hardware engine
Multi-level random number generation
using FIPS SP 800-90A DRBG
Guaranteed unique 72-bit identity
Maximum 150nA stand-by current
10.5kbits EEPROM for secret and private
keys
For samples or pricing e-mail
info@my-ftm.com
150402:
FREE
BOARDS
CryptoAuthentication
Development
The USB board development board allows the user to
use ACES software to configure and evaluate the operation
of each of the three crypto devices on the board.
Orderable Part Number:
AT88CK590
150401:
2
For more information e-mail
info@my-ftm.com
Apply now at my-boardclub.com
Fast-track board request code: FTM54A
EMAIL INFO@MY-FTM.COM FOR SAMPLES AND DATASHEETS
COMPONENT
FOCUS
New 75V MOSFETs notable for
very low on-resistance
INTERNATIONAL RECTIFIER
International Rectifier has announced the expansion of its StrongIRFET
MOSFET
portfolio to include 75V devices suitable for a wide variety of industrial applications.
The new family of 75V power
MOSFETs features ultra-low on-
resistance, providing excellent
performance in low-frequency
applications. The devices also
offer a very high current
capability, a soft body diode,
and a 3V typical threshold
voltage for improved noise
immunity.
Each device in the family is
100% avalanche-tested at the
industry's highest avalanche
currents to ensure that they
provide the most robust solution
for demanding industrial
applications. The devices are
offered in through-hole packages.
WORKING PARTNER
IR’s IRSxxxxxL: page 7
International Rectifier’s 75V MOSFETs are well suited to low-
frequency switching power supplies
Part Number
IRFP7718
IRFB7730
IRFB7734
IRFB7740
IRFB7787
IRFB7746
IRFS7730-7P
IRFS7730
IRFS7734
IRFS7734-7P
IRFH7787
IRFS7787
IRFS7762
IRFR7740
IRFR7746
Drain
Maximum
Current at On-resistance
25°C (A)
at 10V (mΩ)
195
174
130
62
76
42
240
195
183
197
68
76
85
56
56
1.8
2.6
3.5
7.3
8.4
10.6
2.0
2.6
3.5
3.1
8.0
8.4
6.7
7.2
11.2
Gate-
charge at
10V (nC)
552
271
180
81
73
55
285
271
180
180
75
73
85
84
59
Package
TO-247AC
TO-220AB
TO-220AB
TO-220AB
TO-220AB
TO-220AB
D
2
PAK
7-Lead
D
2
PAK
D
2
PAK
D
2
PAK
7-Lead
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
Power tools
Light electric-vehicle inverters
DC motor drives
Lithium-ion battery-pack protection
Secondary-side synchronous rectification
FEATURES
175°C maximum junction temperature
Fully characterised capacitance and
Enhanced body diode dV/dt and dI/dt
capability
avalanche safe operating areas
PQFN 5x6
D
2
PAK
D
2
PAK
DPAK
DPAK
150403:
For samples or pricing e-mail
info@my-ftm.com
Combined proximity and ambient light
sensor offers display design flexibility
VISHAY
The VCNL4040 from Vishay is a fully
integrated proximity and ambient light
sensor that combines an IR emitter,
photo-detectors for proximity and
ambient light sensing, a signal-
processing IC and a 16-bit ADC in a
single chip.
When used in battery-powered products that
have a touchscreen display, the Vishay
Semiconductors VCNL4040 reduces power
consumption, because its proximity sensor
function lets the system automatically disable
the display until a user is detected.
At the same time, the ambient light sensor
supports adaptive brightness control of display
and keypad backlighting, also helping to
reduce power consumption while improving
the user experience.
Because the VCNL4040 includes all of the
circuitry needed for these applications in a
single device, it eliminates the need for
additional light barriers and for optical alignment
of the IR emitter and photodiode.
Measuring just 4mm x 2mm x 1.1mm, the
VCNL4040 gives design engineers great
flexibility in the placement of the sensor. It can
function at any depth or air gap below the
glass window, unlike sensors with resolution of
8-, 10- or 12-bits, which require a depth of
1.5mm or less. Lower-resolution devices must
also be placed away from other components
on a costly and dedicated flexible circuit, while
the 16-bit resolution of the VCNL4040 allows it
to be assembled on the main PCB.
The VCNL4040's ambient light and proximity
sensors operate in a parallel structure; each
offers a programmable Interrupt function with
high and low thresholds. The use of patented
Filtron
technology provides for ambient light
sensitivity that very closely matches the response
of the human eye. The device also offers an
excellent temperature-compensation capability
to keep the output stable in all conditions.
The VCNL4040 measures ambient light with
an accuracy of ±10% across a broad range
from very dark (0.01lux) conditions up to bright
sunlight (5.2klux). This means that it can be
used equally well behind a dark or a
transparent window. The sensor is immune to
fluorescent light flicker.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
Smartphones
Tablets
Digital cameras
Handheld consumer electronics devices
FEATURES
I²C bus interface
Proximity function has selectable 12-bit
and 16-bit outputs
Intelligent cancellation eliminates cross-
talk in proximity sensor
940nm emitter wavelength with no visible
‘red tail’
Supply voltage range: 2.5V to 3.6V
For samples or pricing e-mail
info@my-ftm.com
150404:
VISIT THE ONLINE FTM MAGAZINE AT: WWW.MY-FTM.COM
3
COMPONENT
FOCUS
ESD and surge protector diode outperforms other
device types
DIODES INCORPORATED
Diodes Incorporated has announced
an automotive-grade ESD and surge
protector offering better protection
than Zener-based and varistor devices
provide, while offering the same
optical solder-inspection capabilities.
In cars, the protection of CAN and
LIN two-wire communications
buses from voltage transients is
critical to their reliability and safety.
The D24V0L1B2LPSQ, a bi-
directional ESD protection diode
rated with a typical capacitance of
6pF at a reverse voltage of 0V, is
ideally suited to this application.
Featuring 0.2Ω dynamic
resistance, the diode benefits
from sharper triggering than Zener
diodes or varistors can offer,
resulting in superior protection
from fast transients such as ESD
strikes.
D24V0L1B2LPSQ: protects LIN and CAN bus in cars
The D24V0L1B2LPSQ, housed in a tiny
DFN1006-S package, is the first of its type to
feature sidewall plating, sometimes known as
‘wettable flanks’. This means that the package
sidewall is tin-plated, allowing a solder fillet to
be formed. The solder fillet may be inspected
optically, eliminating the need for slow and
expensive X-ray inspection during PCB
assembly.
The D24V0L1B2LPSQ will withstand air
discharges and contact electrostatic discharges
of ±20kV.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
CAN buses
LIN buses
FlexRay
networks
FEATURES
AECQ101-qualified, supported by PPAP
traceability
24V reverse stand-off voltage
Minimum 26V breakdown voltage
100nA maximum channel leakage current
2A maximum peak pulse current
46V maximum clamping voltage at 2A
Complies with IEC 61000-4-2 standard,
level 4
For samples or pricing e-mail
info@my-ftm.com
150405:
Tiny, low-power 32-bit MCUs offer
rich set of peripheral functions
ATMEL
The new Atmel
®
SMART
SAM D10 and
SAM D11 microcontrollers, which have
an ARM
®
Cortex
®
-M0+ core, combine
flexibility and ease of use with low power
consumption and a compact package.
The tiny devices, which offer 8-16kbytes of
Flash memory and 4kbytes of SRAM, are
available in 14- or 20-pin SOIC packages and
a 24-pin QFN, which has a footprint of just
4mm x 4mm. Operating at a maximum clock
speed of 48MHz, these MCUs have a current
requirement of <70µA/MHz.
Both the SAM D10 and SAM D11 offer a
rich selection of peripherals integrated in the
chip. These include Full-speed USB with no
requirement for a crystal, a peripheral touch
controller which requires no external
components, a 12-bit ADC with gain stage, a
six-channel DMA controller, a 10-bit DAC, and
timers/counters for control applications.
All three packages use just two pins for
power; the Reset pin can be configured as a
general-purpose I/O.
Atmel has provided for easy migration
between SAM D series MCUs: they are code-
and pin-compatible, making it easy for
designers to extend or reduce the functionality
of an existing design as required.
All devices have accurate and low-power
external and internal oscillators. All oscillators
can be used as a source for the system clock.
Different clock domains can be independently
configured to run at different frequencies,
enabling power saving by running each
peripheral at its optimal clock frequency, and
thus maintaining a high core frequency while
reducing power consumption.
WORKING PARTNER
Atmel’s ATECC508A: page 2
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
FREE
BOARDS
Home automation
Consumer electronics
Metering
Industrial equipment
FEATURES
SAM D10 and SAM D11 Evaluation
The SAM D10 Xplained features the 24-pin
ATSAMD10D14A MCU and features an on-board
embedded debugger, USB connection and a prototyping
area with access to all GPIO pins. It also has a capacitive
touch button. All Xplained mini boards are compatible
with Arduino shields.
The SAM D11 Xplained Pro board features the
ATSAMD11D14A MCU, and includes an on-board
embedded debugger, USB connection, two capacitive
touch buttons, and an Xplained Pro-compatible header.
Orderable Part Numbers:
ATSAMD10-XMINI and ATSAMD11-XPRO
Support for capacitive touch buttons,
wheels and sliders
Atmel’s Event System for inter-peripheral
signalling
Up to three flexible serial communication
modules
32-bit real-time clock and calendar
Two analogue comparators
Two software-selectable Sleep modes
Apply now at my-boardclub.com
Fast-track board request code: FTM54A
150406:
For samples or pricing e-mail
info@my-ftm.com
4
EMAIL INFO@MY-FTM.COM FOR SAMPLES AND DATASHEETS
COMPONENT
FOCUS
Small UV sensor fits space constraints of
wearable devices
VISHAY
Vishay Intertechnology has released an
integrated ultra-violet (UV) light sensor
featuring Filtron
UV technology, which
provides for both high sensitivity to UV
light and excellent linearity.
The Vishay Semiconductors
VEML6070, which combines a
photo-diode and a signal-
processing IC in a compact
2.35mm x 1.8mm x 1.0mm
surface-mount package, converts
measurements of solar UV light
intensity to a digital read-out.
It may be used for UV detection
in products such as smartphones,
fitness wristbands, flame
detectors and weather stations.
The sensor saves space by
integrating the circuitry needed for
these applications into one
compact unit.
A robust refresh-rate setting helps the system
designer to lower costs and simplify the circuit
by eliminating the need for an external low-
pass (resistor-capacitor) filter. The VEML6070
offers high resolution and excellent
performance under long-term solar UV
exposure.
The built-in photo-diode is sensitive to light
at wavelengths between 280nm and 400nm;
peak sensitivity is at 355nm. The sensor is
immune to the flicker from fluorescent lights.
Vishay has provided the VEML6070 with a
software setting that cuts typical power
consumption to 1µA in Shut-down mode. Its
output is highly stable over a temperature
range of -40°C to 85°C thanks to a
temperature-compensation scheme
implemented in the chip.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
Smartphones
Wearable devices
Fitness monitoring products
Flame detectors
FEATURES
I
2
C bus interface
Operating voltage range: 2.7V to 5.5V
150407:
For samples or pricing e-mail
info@my-ftm.com
New optocouplers with high operating voltage
suit SiC and GaN power ICs
AVAGO TECHNOLOGIES
Avago Technologies has announced
two new series of gate-drive
optocouplers, which protect and drive
fast-switching power semiconductors
that are made of Silicon Carbide (SiC)
or Gallium Nitride (GaN) material.
The ACPL-P347 and -W347 are 1.0A gate-
drive optocouplers, and the ACPL-P349 and
-W349 are 2.5A devices.
These new parts support a wide gate
operating-voltage range up to as
high as 30V. This new higher gate-
drive capability means that they can
be used with the latest generation of
high-power SiC and GaN MOSFETs and
IGBTs, which are becoming increasingly
popular in industrial applications because they
support high switching frequencies and
operate at very high efficiency.
The ACPL-P/W347 and ACPL-P/W349 are
also notable for their very high-speed operation.
Propagation delay is rated at a maximum of
110ns; the propagation-delay difference is a
maximum of 50ns. Both rise and fall times are
typically 10ns, at 15V and a 50% duty cycle.
In addition, the gate-drive optocouplers
feature a high minimum common-mode
rejection figure of 50kV/µs, which is higher
than that of comparable gate-drive
optocouplers produced by competing
suppliers.
The maximum working insulation voltage, in
accordance with IEC/EN/DIN EN 60747-5-5, is
rated at 891V for the ACPL-P347/349, and at
1,140V for the ACPL-W347/349.
ENERGY
INDUSTRIAL
LIGHTING
MEDICAL
AUTOMOTIVE SECURITY
CONSUMER TELECOMMS
APPLICATIONS
Power inverters
Motor drives
Switch-mode power supplies
FEATURES
Rail-to-rail output voltage
Under-voltage lock-out with hysteresis
UL recognised:
3,750V
RMS
: ACPL-P347/349, 1 minute
5,000V
RMS
: ACPL-W347/349, 1 minute
CSA safety approval
150408:
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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