Nexperia adds to energy harvesting range
Nexperia is expanding its energy harvesting portfolio with the NEH71x0 power management IC (PMIC) family, which eliminates the need for an external inductor, reducing circuit board space and bill-of-materials (BOM) cost.
The NEH71x0 (NEH7100BU, NEH7110BU) PMICs offer a choice of ambient power sources such as light, kinetic/piezo or temperature gradient. They have in input power range from 15μW to 100mW, and can convert energy with an efficiency of up to 95 percent.
Features include an on-chip maximum power point tracking (MPPT) adaptive algorithm to optimise the energy harvested, which adapts every 0.5 second, making the PMIC responsive to changing environmental conditions.
The family integrates a range of features to protect batteries and storage elements, including over-voltage protection, low-voltage detection, and over-current protection. The addition of a low dropout (LDO) regulator and USB charging further reduces the BOM cost and simplifies the design process.
For greater functionality, the NEH710BU variant includes I2C programmability and measurement readings, giving engineers additional flexibility and control in their designs.
The devices are available in a compact 4 mm x 4 mm QFN28 package. Applications include remote controls, key fobs, smart tags, asset trackers, occupancy sensors, environmental monitors, wearables, keyboards, tyre pressure monitors, and any number of Internet of Things (IoT) applications.
“The NEH71x0 family addresses key challenges in energy harvesting by offering an inductor-less solution with integrated power management features,” said Simon van der Jagt, Energy Harvesting product group leader at Nexperia. “This enables customers to lower costs while delivering an innovative solution for a wide range of applications. By optimising battery life and reducing the need for costly, polluting battery replacements, the NEH71x0 contributes to a more sustainable future of electronics.”
