Analog efficient power ICs extend battery life

Next-generation systems must provide higher currents from small batteries to support advanced applications such as drug delivery, sensing, machine learning and artificial intelligence. Device limitations force developers into tradeoffs that either constrain functionality, shorten battery life or increase solution size. Three new Efficient Power ICs from Maxim’s Essential Analog portfolio help ease these tradeoffs with both industry-leading lowest quiescent current and smallest solution size.

MAX17227A: For battery-operated consumer accessories, IoT and medical wearable systems that need to boost power, the MAX17227A delivers the highest output power and the lowest quiescent current. It handles up to 2A switch current, twice that of the closest competitive solution. And it consumes half the quiescent current, at just 350nA. This nanoPower boost converter features short-circuit protection, true shutdown and an input voltage range from 400mV to 5.5V, and it can extend battery system life up to ten percent.

MAX17291: Delivering a high voltage boost up to 20V, the MAX17291 offers a quiescent current that is 80% lower and a solution size that is 60% smaller than the closest competitive offerings. Delivering up to ten times voltage conversion, this boost converter fits battery-operated systems with higher output voltage loads such as industrial energy hold-up, displays or sensors.

MAX38911: Up to 50% smaller than competitive solutions, the MAX38911 500mA LDO for battery-operated IoT systems draws only 19µA during idle mode to extend battery life up to ten percent. It also has the industry’s best power supply rejection ratio (PSRR) at a level 16dB better than the closest competitor, thus helping prevent noisy power supplies from interfering with critical functions such as precise measurements and communications.

Key advantages

• Long battery life: All three ICs are part of Maxim’s Efficient Power portfolio and lead the industry with the lowest quiescent current
• Small size: Up to 50% smaller than the closest competitive solutions.
• High reliability: Features such as short-circuit protection and high PSRR help IoT systems overcome disruptions in harsh environments..

“The three new Efficient Power ICs from Maxim’s Essential Analog portfolio offer designers a path to simultaneously improve efficiency and reduce solution size,” said Vickram Vathulya, Vice President, Core Products Group at Maxim Integrated. “For industrial, consumer and healthcare operations, Maxim sets the bar for extending battery life by offering the lowest quiescent power in each category.”