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December, 2015 Texas Instruments: Battery Management System
Dallas, TX — Texas Instruments has developed a battery management system for wearables and the industrial Internet of Things (IoT) that allows powered devices to stay on without draining the battery. The bq25120 battery management system contains a linear charger, configurable LDO, load switch, buck converter, pushbutton control, and battery voltage monitor. The device supports bat- teries from 3.6 to 4.65V, and fast charge current from 5 to 300mA. Also, it is able to draw a charge from a battery down to 500µA before completing its charging cycle. The device maintains its “on” state at 1.8V
using power path technology and a low Iq buck con- verter. A host microprocessor is able to connect by Bluetooth and continue running during recharging by not extracting “empty energy.” Designers can also achieve long battery shelf life with the system’s
standby mode quiescent current of 50nA. Its configurable LDO and load switch shut off rarely used functions to minimize battery drain. It
also includes an integrated battery voltage moni- tor, enabling a state-of-charge indicator, buck con- verter and pushbutton control features. The device comes in a 2.5 x 2.5 mm (0.01 x
0.01 in.) WCSP package, making it one of the smallest components for wearable and IoT applica- tions. For a more robust product, designers can incorporate the CC2640 wireless MCU, a QFN package solution with integrated Flash for Bluetooth Smart. The bq25120’s I2C programming interface
gives designers the ability to set key parameters including battery charger voltage, current, termi- nation threshold, input current limit, load switch
control, flexible timer, and reset options. Contact: Texas Instruments, Inc., 12500 TI
bq25120 battery management system.
Boulevard, Dallas, Texas 75243 % 972-995-2011 Web:
www.ti.com
New Vincotech: Semiconductor
Power Module Unterhaching, Germany — Vinco - tech, a manufacturer of semiconduc- tor power modules for motion control, renewable energy and power supply applications, has developed a rectifi- er, dual PFC, and inverter combined in one module. The flowRPI 1 family is designed
Inline Condensation Soldering A patented principle with advantages
for welding, charger and SMPS applications rated from 1.5 to 7kW. The product family combines a
rectifier with low-voltage drop diodes, a PFC with 650V IGBTs and diodes, and filtering capacitors and diodes for current sensing with an external transformer. It also con- tains an inverter with an H-bridge open emitter topology and optional capacitors. A version is available that comes with a PFC which has IGBTs with higher current ratings for a wider input voltage range. It is rated for applications with input voltages of 110-220VAC.
› Voids ratios below 2 % possible › Controllable vacuum process › Prepared for Industry 4.0 › 3 steps to pro le
Three-in-one power module. The new layout of the module
XLine XP/HS XM XS
family is more EMC-friendly. It has the latest IGBT H5 chip technology on board to switch quickly with low conduction and switching losses. Because the modules contain three power stages, they can be used in the design of compact PCBs. Various power ratings are available in the same housing and with the same pinout, so applications can be scaled up with a PCB design remaining intact. The family of modules comes in
Condenso X-Serie Condensation Soldering
For more information visit
www.rehm-group.com or call + 1 770 442 8913
12 and 17 mm (0.47 and 0.67 in.) housings. Press-fit pins and phase- change material are available upon request. The modules are scheduled to be manufactured in series in early
2016. Contact: Vincotech GmbH,
Biberger Strasse 93, 82008 Unterhaching, Germany % +49-0- 89-8780-67-0 fax: +49-0-89-8780-67- 300 E-mail:
info@vincotech.com Web:
www.vincotech.com
Vacuum with
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