Nano Cap? Solution

About Nano Cap™ Technology

Nano Cap™ power supply technology refers to ultra-stable control technology achieved by combining advanced analog expertise covering circuit design, processes, and layout utilizing ROHM’s vertically integrated production system. Optimized control eliminates the problem of operational stability regarding capacitors in analog circuits, contributing to a reduction in design time for a wide range of applications in the automotive, industrial equipment, consumer, and other fields.

Details of Nano Cap™ Technology

Nano Cap provides stable control of linear regulator output by improving response in analog circuits while minimizing parasitic factors related to wiring and amplifiers, making it possible to reduce the output capacitance to less than 1/10th over conventional solutions.

Nano Cap? Acheives Ultra-Stable Control

As a result, circuits composed of a linear regulator and MCU which usually require a 1uF capacitor at the output of the linear regulator and a 100nF at the input of the MCU as mentioned above, ROHM's Nano Cap™ linear regulator technology achieve stable operation using just one 100nF capacitor at the MCU side.

Given an industry requirement for output voltage fluctuation of ±5.0% max. (in case focusing on just fluctuation) with respect to 50mA load current fluctuation with 100nF capacitance, Nano Cap™ equipped chips achieve a stable operation of ±3.6% in the evaluations, compared with conventional linear regulators whose output voltage can vary by as much as ±15.6%.

Other Nano Power Supply Technologies

ROHM established Nano power supply technologies by incorporating proprietary analog expertise that combines circuit design, processes, and layout utilizing a vertically integrated production system. The following are other Nano power supply technologies centered on power supply ICs developed by ROHM that contribute to solving application issues in a wide range of products.

Nano Pulse Control™
Refers to ROHM’s ultra-high-speed pulse control technology for power supply ICs that achieves a switching ON time (control width of the power supply IC) on the order of nanoseconds (ns), making it possible to convert from high to low voltages using a single IC - unlike conventional solutions requiring 2 or more power supply ICs. This contributes to greater miniaturization and system simplification in 48V applications ranging from mild hybrid vehicles and industrial robots to base station sub power supplies.

Nano Energy™
This ultra-low current technology features a no-load current consumption in the nA range by minimizing the trade-off that occurs when reducing current consumption at ultra-light loads. As a result, 10-year drive on a single coin battery demanded by the IoT market is possible, supporting long-term operation in compact battery-driven applications, including portable devices, wearables, and IoT.


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