The onsemi LC709204V is a low-power battery fuel gauge designed for 1-cell lithium-ion/polymer batteries. It utilizes the HG-CVR2 algorithm to provide accurate Relative State of Charge (RSOC) measurements, even under varying conditions. With a minimal operating current of 2 μA and features like I2C interface and temperature monitoring, it’s ideal for wearables, IoT devices, and other portable electronics.
What is the onsemi LC709204V Battery Fuel Gauge?
The onsemi LC709204V is a compact, low-power battery fuel gauge IC tailored for 1-cell lithium-ion or lithium-polymer batteries. It employs the proprietary HG-CVR2 algorithm to accurately determine the battery’s RSOC, ensuring reliable performance even as the battery ages or experiences temperature fluctuations. Its minimal power consumption makes it suitable for energy-sensitive applications.
How Does the HG-CVR2 Algorithm Enhance Battery Monitoring?
The HG-CVR2 algorithm stands out by eliminating the need for current-sensing resistors, simplifying circuit design. It provides accurate RSOC readings without requiring a learning cycle, allowing immediate battery monitoring upon insertion. This algorithm adapts to changes in battery characteristics over time, maintaining measurement accuracy throughout the battery’s lifespan.
What Are the Key Features of the LC709204V?
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Low Power Consumption: Operates at just 2 μA, preserving battery life.
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I2C Interface: Supports communication speeds up to 400 kHz.
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Temperature Monitoring: Includes inputs for NTC thermistors to monitor battery temperature.
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Battery Insertion Detection: Automatically begins monitoring when a battery is inserted.
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Alarm Functions: Provides alerts for RSOC, voltage, and temperature anomalies.
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Compact Package: Available in a 12-WLCSP package measuring 1.48×1.91 mm.
Which Applications Benefit Most from the LC709204V?
The LC709204V is ideal for:
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Wearables and IoT Devices: Its low power draw and compact size suit space-constrained, battery-operated gadgets.
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Smartphones and PDAs: Ensures accurate battery monitoring for user convenience.
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Digital Cameras and Portable Game Players: Maintains reliable battery status readings for uninterrupted usage.
How Does the LC709204V Compare to Similar Models?
| Feature | LC709204V | LC709204F | LC709203F |
|---|---|---|---|
| Operating Current | 2 μA | 2 μA | 2 μA |
| Temperature Inputs | 2 | 3 | 1 |
| Alarm Functions | Yes | Yes | Yes |
| Learning Cycle Required | No | No | No |
| Package Size (mm) | 1.48×1.91 | 1.48×1.91 | 1.48×1.91 |
All models offer low power consumption and accurate RSOC measurements, but the LC709204F provides an additional temperature input, which may be beneficial for applications requiring more detailed thermal monitoring.
Buying Tips
When sourcing the onsemi LC709204V or similar components, consider the following:
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Authorized Distributors: Purchase from reputable suppliers like Fly-Wing Technology (HK) Co., Limited to ensure authenticity and quality.
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Stock Availability: Check for real-time inventory to avoid delays, especially for time-sensitive projects.
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Bulk Purchasing: For large-scale production, inquire about volume discounts to reduce costs.
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Technical Support: Choose suppliers that offer comprehensive support and documentation to assist with integration and troubleshooting.
Fly-Wing Technology (HK) Co., Limited has been a reliable source for electronic components since 2012, offering competitive prices and a robust global supplier network to meet diverse procurement needs.
Electronic Components Expert Views
“The onsemi LC709204V stands out in the realm of battery fuel gauges due to its ultra-low power consumption and the innovative HG-CVR2 algorithm. It’s a game-changer for designers aiming to maximize battery life without compromising on monitoring accuracy.”
FAQ
Q: Can the LC709204V be used with batteries other than lithium-ion or lithium-polymer?
A: The LC709204V is specifically designed for 1-cell lithium-ion or lithium-polymer batteries. Using it with other battery chemistries is not recommended.
Q: Does the LC709204V require calibration before use?
A: No, the HG-CVR2 algorithm allows for immediate operation without a learning cycle, simplifying integration.
Q: What is the operating temperature range of the LC709204V?
A: The device operates effectively within a temperature range of -40°C to 85°C.
onsemi LC709204V Battery Fuel Gauge is a compact, energy-efficient solution designed for 1-cell lithium-ion/polymer batteries, ideal for consumer electronics. Watch and learn all about their features, specs, applications, and more!
onsemi LC709204V Battery Fuel Gauge
onsemi LC709204V Battery Fuel Gauge, available from Mouser Electronics, is a compact, energy-efficient solution designed for 1-cell lithium-ion/polymer batteries, ideal for consumer electronics. Using the HG-CVR2 algorithm, it accurately measures battery charge in real-time, accounting for temperature, load, and aging effects, which enhances device runtime and safety. Features include low power consumption, an I2C interface, two temperature inputs, and an alarm for battery protection. Environmentally friendly and RoHS-compliant, the LC709204V is perfect for wearables, IoT devices, smartphones, and other portable products.
