Datasheet Directories

Power/Battery Management ICs

Written by Jeff Child

Perfecting Power

Battery-powered systems—including power tools, electric vehicles wearable electronics, IoT edge devices and more—depend on the proper managing of battery power. To keep pace, all sorts of innovations have been happening in power management ICs, battery monitoring ICs and more.

  • What’s happening in power/battery management ICs?

  • Analog Devices’ ADBMS1818

  • Dialog Semiconductor’s DA9130-A

  • Infineon Technologies’ TLE9012AQU

  • MAX77655 from Maxim

  • Microchip Technologies’ MCP16501

  • FS26 from NXP Semiconductors

  • Renesas Electronics’ ISL78714

  • STMicroelectronics’ STWLC88

  • Texas Instruments’ BQ25792

There are many facets to managing power and batteries in embedded systems. Increasing battery life and efficiency is a major goal for a variety of embedded system. Analog IC vendors are smoothing the way with innovative chips for monitoring, controlling and charging batteries. Over the past 12 months, analog ICs vendors have rolled out several innovative solutions both for portable, battery-powered systems and for the particular needs for electric vehicle battery management.

The latest crop of power management ICs (PMICs) includes devices that combine multiple functions into a single device to reduce the component count and board space needed to easily and cost-effectively manage power in a wide variety of devices. Meanwhile, the latest battery management ICs maximize battery capacity, extend battery life and monitor the charging process. They support a variety of battery chemistries and feature low-cost and high-accuracy voltage regulation solutions that require few external components thereby reducing design size, cost and complexity.

In an example application, in 2018 Maxim Integrated announced that its single-chip, ASIL D-rated battery monitoring IC was being integrated into the Nissan LEAF, the company’s zero-emission electric vehicle (Figure 1). The battery monitoring IC meets the highest safety standards, supporting ISO 26262 and ASIL D requirements (also applicable for ASIL C). Its differential universal asynchronous receiver/transmitter (UART) using capacitive isolation reduces BOM costs and failure in time (FIT) rates. The flexible UART enables robust communications in noisy environments. Using Maxim’s proprietary daisy-chain architecture and successive-approximation-register (SAR) ADC, the battery monitoring IC captures fast, accurate voltage measurements and delivers high electromagnetic capability (EMC) performance.

Figure 1
in 2018, Maxim Integrated announced that its single-chip, ASIL D-rated battery monitoring IC was being integrated into the Nissan LEAF, the company’s zero-emission electric vehicle.


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Former Editor-in-Chief at Circuit Cellar | Website | + posts

Jeff served as Editor-in-Chief for both and its sister publication, Circuit Cellar magazine 6/2017—3/2022. In nearly three decades of covering the embedded electronics and computing industry, Jeff has also held senior editorial positions at EE Times, Computer Design, Electronic Design, Embedded Systems Development, and COTS Journal. His knowledge spans a broad range of electronics and computing topics, including CPUs, MCUs, memory, storage, graphics, power supplies, software development, and real-time OSes.

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Power/Battery Management ICs

by Jeff Child time to read: 2 min