Portable Device Battery Voltage Monitoring Integrated Circuits Control Multiple LED Indicators (3, 4, or 5 Bars)
Article: ABLIC's S-82x9 Family of ICs for Battery Status Indication and dSPACE's High-Fidelity HIL Simulator
The S-82x9 family, a series of integrated circuits developed by ABLIC, is making waves in the electronics industry. These ICs are designed primarily for battery status indication applications in portable devices, combining voltage monitoring and LED-driving functions into a single chip.
Key Features of the S-82x9 Family
The S-82x9 family boasts several key features that make it an attractive choice for designers.
- Voltage Monitoring: The ICs monitor specific battery voltage levels, allowing for accurate detection of battery charge states. Built-in voltage detection thresholds trigger LED indicators, providing a clear visual representation of the battery's status.
- LED Driving Capability: These ICs drive multiple LEDs corresponding to different battery states, supporting LED current regulation or limiting to protect LEDs from excess current.
- Multi-LED Output: Depending on the variant, the S-82x9 family can drive from 2 to 4 LEDs or more, enabling multi-segment battery status display.
- Low Power Consumption: With minimal quiescent current, these ICs are designed for battery-powered devices, helping to preserve battery life.
- Simple Interface and Integration: The S-82x9 family minimizes external components, often integrating voltage references and comparators internally. This simplifies the connection to battery voltage lines and LED outputs.
- Compact Package: The ICs come in small form-factor packages, suitable for compact, portable electronics.
Variants in the S-82x9 Family
Variants in the S-82x9 family differ in the number of LED outputs they can drive, ranging from 2 to 4 LEDs. Some variants also have adjustable or fixed voltage detection levels tailored for various battery chemistries or voltage ranges. Certain models may include additional features like enable/disable inputs or reset functions.
Typical Applications
The S-82x9 family finds its application in various devices, including portable devices like digital cameras, handheld instruments, and battery packs. It is also used in battery-operated toys, wireless devices, and power tools where accurate battery level display is crucial.
On a separate note, dSPACE's High-Fidelity HIL Simulator is making strides in the automotive industry. This simulator allows for the simulation of various driving scenarios, including dynamic driving and load changes. It is particularly useful for simulating and testing electric and hybrid vehicle powertrains, speeding up the development of AURIX motor drives and xEV powertrains. The High-Fidelity HIL Simulator supports the AURIX TC3 family of microcontrollers.
In other news, the electric passenger aircraft sector is seeing significant advancements. The Heart Aerospace ES-19, an electric regional aircraft, is expected to enter service in the early 2020s, marking a new era for air travel. This week in PowerBites, there are articles on EV battery recycling and bidirectional power conversion.
For more detailed electrical characteristics or pin configuration details, please refer to the official ABLIC datasheets for each S-82x9 variant.
The S-82x9 family, utilizing technology for voltage monitoring and LED driving, offers an attractive choice for designers due to its key features such as multiple LED output support, low power consumption, and minimal required external components.
Moreover, these ICs are suitable for various applications, including portable devices like digital cameras and battery-operated toys, where technology plays a crucial role in providing accurate battery level display.
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