Semiconductor manufacturer Rohm has developed the BD83070GWL-EVK-002 evaluation board to showcase its high-efficiency DC-DC converter IC, which achieves up to 97% conversion efficiency alongside an ultra-low quiescent current of 2.8 µA, according to company specifications.
Component Integration and Space Savings on the BD83070GWL-EVK-002 Board
The evaluation board integrates the BD83070GWL chip with an onboard coil and capacitors using a total of only five components. According to Rohm design data, this compact layout yields a total mounting area of just 12.87 mm² with physical dimensions measuring 3.3 by 3.9 mm.
Commercial Availability Through Online Distributors
Engineers and hardware developers can purchase the evaluation hardware immediately. Rohm confirmed that online sales have officially started, with units stocked by major global distributors including DigiKey and Farnell.
Target Applications Across Wearables, IoT, and Mobile Devices
The combination of a 2.8 µA quiescent current and 97% peak efficiency targets power-sensitive hardware categories. According to Rohm’s deployment overview, primary application segments include:
- Wearable devices: Smartwatches, smart rings, and biometric sensing hardware.
- Mobile devices: Augmented reality (AR) and virtual reality (VR) headsets, alongside smartphones.
- IoT hardware: AI sensor nodes, Bluetooth Low Energy (BLE) devices, smart locks, and small drones.
- Small battery-powered items: E-cigarettes, wireless earbuds, digital keys, and electric toothbrushes.
Frequently Asked Questions
What are the primary electrical specifications of the BD83070GWL DC-DC converter?
According to Rohm, the converter achieves an efficiency rate of up to 97% while maintaining a quiescent current consumption of 2.8 µA.
How many total components are required on the evaluation board?
The evaluation board integrates the chip, a coil, and capacitors using a total of only five external components.
Where can engineers purchase the BD83070GWL-EVK-002 board?
The board is currently available for purchase online through major electronics distributors such as DigiKey and Farnell.
Did You Know? Quiescent current represents the electrical current drawn by an integrated circuit when it is in an idle or standby state, making it a critical metric for battery longevity in devices like smart rings and wireless earbuds.
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