Designers can now extend battery life and reduce the solution size of consumer, industrial, healthcare, and IoT systems with three new Essential Analog ICs from Maxim Integrated Products, Inc. The MAX17227A 2A nano power boost converter, the MAX17291 high voltage, 1A boost converter, and the MAX38911 500mA LDO all provide the lowest quiescent current among competitive solutions to […]
High-power current sense resistors meet automotive quality standards
Bourns, Inc. announced the addition of nine new models to its existing AEC-Q200 compliant Model CSM2F High Power Current Sense Resistor Series. Bourns designed the new series as efficient, reliable, cost-effective, and accurate measurement solutions for the battery management systems (BMS), industrial control, and other high current applications. Current sense resistors are growing in popularity due to […]
Single-/Multi-cell solar harvester increases runtime in wearable and IoT applications
Designers of space-constrained designs can now significantly increase runtime with the MAX20361 single-/multi-cell solar harvester with maximum power point tracking (MPPT) from Maxim Integrated Products, Inc. . The industry’s smallest solar harvesting solution is ideal for space-constrained applications such as wearables and the emerging internet of things (IoT) applications. Designers are often challenged with the […]
Next-gen BMS goes wireless, with proprietary protocol and functional safety compliance
Because today’s battery management systems (BMS) are wired, the common source of cable failures – wire harnesses and connectors – becomes a warranty and functional safety issue. With the launch of a wireless BMS that features the first independently assessed functional safety concept, Texas Instruments hopes to revolutionize electric vehicle (EV) BMS. By removing the […]
Testing power consumption and batteries for wireless IoT nodes and wearables – Virtual Roundtable (part 2)
In this second part of EEWorld’s virtual round table on testing power consumption and batteries for wireless IoT nodes and wearables, our panelists delve into the nuances of complementary cumulative distribution function (CCDF) testing and predicting actual battery performance. Our panelists include: Janet Ooi (JO), IoT Industry Solutions Lead at Keysight Technologies, Shah Hassan (SH), […]
Batteries and charging for wireless IoT sensor nodes and wearables
Battery selection for a given wireless Internet of Things (IoT) node or wearables design is complex. Among the important factors are: how long the device is expected to operate with a single battery; the choice between various primary and secondary battery chemistries; the nominal and cut-off voltage of the electronics; the energy/current consumption profile, the […]
Design challenges when using energy harvesting – Virtual Roundtable (part 1 of 2)
The first part of EEWorld’s two-part “virtual roundtable” discussion on energy harvesting considers technical challenges and design tradeoffs for engineers using energy harvesting power sources. Joining us for this virtual roundtable are: Dr. André Mansano (AM), CTO at Nowi; Graeme Clark (GC), Marketing Manager, Energy Harvesting Business Unit, at Renesas Electronics, Ken Imai (KI) Sr. […]
Buck-boost charger ICs for USB Type-C and USB Power Delivery ports hit 97% charging efficiency
Texas Instruments introduced the industry’s smallest buck-boost battery charger integrated circuits, which integrate power-path management for maximum power density and universal and fast charging at up to 97% efficiency. The BQ25790 and BQ25792 support efficient charging and 10 times lower quiescent current through USB Type-C and USB Power Delivery (PD) ports in small personal electronics, […]
Energy efficient supercapacitor cell balancers include over-voltage protection
The precision dual-channel SABMBOVP2XX family of products automatically balances supercapacitors with the addition of over-voltage protection (OVP). The result is energy-efficient supercapacitor balancing, ideal for products that require low-loss energy power, leakage current regulation, and OVP. Supercapacitor cells typically operate at a nominal recommended working voltage. However, voltages that exceed the maximum rating for a […]
Programmable USB-C charger integrates primary, secondary and PD controller components
Cypress Semiconductor Corp. announced the newest member of its USB-C Power Delivery family, the EZ-PD Power Adapter Generation 1 (PAG1) solution. The PAG1 is a complete AC-DC power solution with an integrated USB Power Delivery (PD) controller that enables OEMs to build reliable, efficient, and cost-effective power adapters for the growing USB-C charger market. The […]