Inside Medical Technology

11 - 12 April 2018 // Nuremberg, Germany

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Exhibitors & Products MT-CONNECT 2017
Zoom product LOGO_Charger Platform „FOX-C“

Charger Platform „FOX-C“

LOGO_Charger Platform „FOX-C“

Charger Platform „FOX-C“

FRIWO's new charger platform „FOX-C“

Optimized control for various power ranges

The charging technology expert FRIWO, headquartered in Ostbevern/Germany, has expanded its charger portfolio: In addition to the already known and established plug-in solutions the product line FOX-C also provides powerful desktop chargers. The new solutions focus on lithium-ion technology which is currently one of the most popular cellular chemistries because it features high power density and low weight.

As is generally known, lithium-ion technology also poses a high security risk for incorrect handling. For example Li-ion batteries neither possess overcharge nor discharge tolerances. A higher technical charging effort is required to safeguard proper handling of this technology. The FRIWO Li-Ion chargers are equipped with a charging and discharging µ-controller to protect the cells accordingly. This also impacts the long-term use of the battery: the charging process and its implementation significantly influence both efficiency and service life of a battery.

The new charger platform FOX-C is particularly designed for Li-Ion batteries with CCCCCV charging method. "CC" stands for constant current and "CV" for constant voltage. The CCCCCV charging process starts with a low, constant charging current (CC). The second phase (CC) triggers the main charge. As soon as the battery voltage approaches the permissible end-of-charge voltage, the charging current decreases automatically. The battery charge left is carried out with a constant voltage (CV). Eventually, the charging process is terminated when the charging current reaches a preset value (1/10 of the charging current). Alternatively, charging may be terminated after a predefined charging time. A trickle charge, as is known from former NiMH batteries, does not exist with LI-Ion. It can damage the batteries or even destroy them in the long run which requires a complete shutdown of Li-Ion charging processes.

The new product line FOX-C offers standard solutions for different cell configurations and power ranges. The figure in the chargers' product name characterize the power ranges: FOX50-C (50 Watts), FOX90-C (90 Watts) and FOX160-C (160 Watts). All three of them have an identical housing design with extremely compact dimensions (179x86x50,5 mm) and comply with standard IEC 60335. In addition, the PCB layout of the units has been designed in accordance with EN606061 to meet the stringent safety requirements for medical technology.

The units comply with protection class 2 and are voltage regulated, current limited and short circuit proof. Consequently, they offer a high operational reliability and long service life. This is also confirmed by the high MTBF of the units: it is set to 200,000 hrs. A high efficiency factor and a minimum standby power loss of ≤ 0,5 W make these chargers so magnificent.

Open Frame Power Supply Solutions

LOGO_Open Frame Power Supply Solutions

IEC62133 Battery Packs

LOGO_IEC62133 Battery Packs

FOX Stromversorgungen

LOGO_FOX Stromversorgungen

FOX-XM-USB

LOGO_FOX-XM-USB

Charger Platform „FOX-C“ is assigned to following product groups:

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