Maxim's Ultra-Small Step-Down Converters Deliver the Industry's Lowest Quiescent Current and Highest Peak Efficiency for Always-on Automotive Applications

MAX20075 and MAX20076 enable 50% savings in board space

SAN JOSE, Calif., March 27, 2018 — (PRNewswire) —  System designers looking to create small and highly efficient 40V load dump-tolerant applications can now utilize the ultra-compact, pin-compatible MAX20075 and MAX20076 step-down converters from Maxim Integrated Products, Inc. (NASDAQ: MXIM). The MAX20075 and MAX20076 step-down converters offer the industry's lowest quiescent current (IQ) and comes in an ultra-small size solution with integrated compensation. This enables minimal external components that can lead up to 50% savings in board space making them ideal products for always-on automotive applications.

Maxim Integrated’s MAX20075 and MAX20076 deliver the industry’s lowest quiescent current and highest peak efficiency for always-on automotive applications.

Customers expect always-on applications to bring them experiences richer and more compelling than ever before. However, designers are challenged with having to balance delivering advanced features with meeting size constraints, power-saving features, and high efficiency.

The MAX20075 and MAX20076 in peak current mode draw the industry's lowest IQ—just 3.5µA in the low power operating mode, which is key to meeting the stringent OEM IQ consumption requirements of 100µA per module. The converters enable low noise operation via pin-controlled spread spectrum and fixed 2.1MHz operation to meet CISPR 25 Class 5 EMI compliance. Furthermore, added advantage of the 2.1MHz operation and internal compensation is that it lowers the solution size and the bill of materials (BOM) compared to a non-synchronous device that operates in the AM band. The MAX20075 and MAX20076 are available with a low minimum on-time mode operation, which allows the converters to support large input-to-output conversion ratios. For example, Vbatt input to Vout of <3V at 2.1MHz; this translates to not having to use a secondary supply, which reduces overall BOM cost by $0.30 to incorporate new functions into the design for greater flexibility. The MAX20075 and MAX20076 meet AEC-Q100, are available in a 3x3mm TDFN package, and operate over the -40oC to +125oC temperature range.

Key Advantages

  • Industry's Lowest Quiescent Current: Offers 3.5µA IQ compared to traditional solutions that offer 15-30µA IQ; flexibility for more budget dispersed throughout the system; ability to support faster start-up times, consume lower power, and feature low minimum on-time operation mode
  • Highest Peak Efficiency: Delivers highest peak efficiency of 91% compared to competitive solutions
  • Ultra-Small Solution Size: 12-pin TDFN and side-wettable TDFN packages (3mm × 3mm) with integrated compensation enables very few external components for 50% savings in board space
  • EMI mitigation: Spread spectrum control and internally fixed at 2.1MHz assist with CISPR25 Class 5 EMI compliance; supports the increasing need for more processing power in ADAS applications

Commentary

  • "Advancements in automotive technology have led to an increase in complex ECUs per vehicle. Adding more electrical components to a vehicle leads to higher amounts of parasitic battery drain, which has made reducing quiescent current a huge trend in the automotive world," said Zong Zhen, automotive electronics and semiconductor senior analyst for IHS Markit, a global information provider. "The MAX20075 and MAX20076 step-down converters offer another viable option to car manufacturers."
  • "By offering the lowest IQ in the market, the pin-compatible MAX20075 and MAX20076 presents an overall benefit to the system. This translates to higher peak efficiency and faster start-up time," said Chintan Parikh, Executive Business Manager, Automotive, Maxim Integrated. "The 3.5µA IQ offered with these buck converters are key to meeting stringent OEM quiescent current consumption requirements, which are typically as low as 100µA per module. This enables engineers to build in more processing power for more functionality and other advanced features."

Availability and Pricing

About Maxim Integrated
Maxim Integrated develops innovative analog and mixed-signal products and technologies to make systems smaller and smarter, with enhanced security and increased energy efficiency. We are empowering design innovation for our automotive, industrial, healthcare, mobile consumer, and cloud data center customers to deliver industry-leading solutions that help change the world. Learn more at https://www.maximintegrated.com.

Contact:

Mariel Santos


408-601-3145


Mariel.Santos@maximintegrated.com

 

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