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EETE JULAUG 2012

60w DC/DC converters packaged in a 25.4x25.4mm case Superior Solutions for Available immediately from MicroPower Direct, the C6000RU a compact, 25.4x25.4x12.7mm metal case. Eight models Industrial. series is a family of 60W DC/DC converters packaged in operate from wide 4:1 inputs of 9 to 36 or 18 to 75 VDC; provid- ing single outputs of 3.3, 5, 12, or 15 VDC. Standard features include efficiency to 90%; a line/ load regulation of ±0.5% maxi- mum; I/O isolation of 1,500 VDC; and an output trim capability. All models have output over voltage protection and continuous short circuit protection (with au- torecovery). Also standard is a remote On/Off control input. The MTBF (per MIL HDBK 217F) of the C6000RU series is greater than 888,000 hours. The pin-out is industry standard and each model is specified for full power operation over the wide temperature range of -40 to +40°C ambient with the optional heatsink attached (15 VDC output models operate to +50°C). MicroPower Direct www.micropowerdirect.com li-ion battery protection ICs target E-Bikes, power tools and electrical vehicles Rohm Semiconductor released a broad line-up of ICs providing all functions needed for controlling, monitoring and protect- ing systems using multiple-cell series-connected Li-ion bat- tery packs. The ML5207, ML5208, Aluminum electro- Common-mode ML5235 and ML5237 Li-ion battery lytic capacitors for chokes for high management ICs are low consump- high ripple currents currents tion current protector ICs compat- ible with multiple-cell series-con- PFC products for Varistors and surge nected Li-ion battery packs (five to energy saving and arresters for over- ten respectively 13 cells), detecting power quality voltage protection the over-charge or over-discharge and over-current of each EMC and sine-wave Power electronic cell. They also integrate the Gate driver for an automatic On/Off filters for currents capacitors with control of the external PMOS-FET or N-ch FET (depending on up to 8 kA high reliability the version) for the charge and discharge. Based on the results of the voltage control of each cell or the entire battery pack, as X and Y capacitors High-current chokes well as the monitoring of the charge and discharge current, an for EMI suppression for power supplies external MCU can perform corresponding actions to protect the batteries and to prevent the system to get into an irregular state. For a complete protection solution, Rohm also offers the MCU ML5227 which can be used in combination with the battery monitoring IC. The monitoring IC can supply 3.3V power supply to the MCU so that no external voltage regulator is needed. MLCC mega caps SMT power The MCU is an 8bit high-performance controller based on the with high ripple inductors with low power Microcontroller series ML610Q4xx with integrated current capability high reliability Flash memory to store the register settings. Another chip, the ML5218 is a Li-ion battery monitoring IC for packs of four to 14 Rare earth and Large ferrite cells especially designed for the use in automotive applications. ferrite magnets cores It features a highly accurate voltage measurement function to detect overcharge/over-discharge, passive cell balancing and the possibility of four temperature measurements with externally connected sensors. ROHM Semiconductor www.tdk.eu · www.epcos.com www.rohm.com/eu www.electronics-eetimes.com Electronic Engineering Times Europe July/August 2012 27


EETE JULAUG 2012
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