It pays to know techniques for mitigating leakage current and over- voltages in uses where several supercapacitors work in parallel. Michele Kinman Advanced Linear Devices Inc. In applications requiring rapid charge/discharge cycles or short-term energy storage, you’ll often find supercapacitors connected in series or parallel. However, there’s a potential problem when supercaps are wired together […]
Energy efficient supercapacitor cell balancers include over-voltage protection
The precision dual-channel SABMBOVP2XX family of products automatically balances supercapacitors with the addition of over-voltage protection (OVP). The result is energy-efficient supercapacitor balancing, ideal for products that require low-loss energy power, leakage current regulation, and OVP. Supercapacitor cells typically operate at a nominal recommended working voltage. However, voltages that exceed the maximum rating for a […]
Zero-power board automatically balances supercapacitors of all sizes
Advanced Linear Devices Inc. announced its six-channel supercapacitor automatic balancing (SAB) PCB. The SABMB6 can balance any size of supercapacitor with zero added power dissipation. Each PCB can balance up to six supercapacitors stacked in a series, ranging in size from six to hundreds of supercapacitors with capacities from 0.1 to 3,000 Farads in voltages of […]
PCBs atuomatically balance two-cell supercap low-voltage systems
Two-Channel printed circuit boards provide production-ready automatic balancing for two-cell supercapacitor low-voltage systems. The SABMB2 offers over-voltage protection and ultra-low power usage for supercapacitors required in industrial controls, remote monitoring and battery backup applications. Devleoped by Advanced Linear Devices Inc., the PCB balances leakage current, manages over-voltage and dissipates zero power. Each SABMB2 balances two […]
Energy efficient route to managing low-voltage energy harvesters
It can be tough to harvest energy from innovative IoT devices such as thermoelectric generators built into clothing. A new kind of MOSFET is designed to work with the super-low voltages involved. Robert Chao | Advanced Linear Devices Inc. Energy harvesting devices make headlines because they are thought to be important for internet-of-things applications. As […]
MOSFET PCBs balance high-voltage supercapacitors via low-power leakage-current regulation
High-voltage supercapacitor balancing printed circuit boards are designed to automatically control leakage current and enhance reliability for applications used in data center, industrial automation, public utility, and transportation systems. ALD SABMB810028 boards built with ALD810028SCLI SAB (supercapacitor auto-balancing) MOSFETs provide balancing for 2.8-V, 3.0-V and 3.3-V supercapacitors arranged in a series stack by equalizing the […]
The fundamentals of supercapacitor balancing
The low voltage available from a single supercapacitor forces most applications to use several supercaps in series. Here are the tricks involved in stringing these components together. Robert Chao | Advanced Linear Devices Inc. The average supercapacitor has a maximum charging voltage of between 2.5 and 2.7 V. For many applications a voltage this low […]
Precision P-channel, zero-threshold MOSFET arrays enable sub-threshold, ultra-low power circuits
A zero-gate threshold voltage EPAD P-Channel MOSFET Array is billed as the industry’s first precision sub-threshold circuit. The ALD310700A/ALD310700 quad zero threshold MOSFET from Advanced Linear Devices Inc. (ALD) is intended for the development of small-signal precision applications utilizing zero threshold voltage. The circuit targets designs requiring operating voltages below a half volt. Allowing circuits […]
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