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LM3658SD-A/NOPB
Battery Management Dual Srce USB/AC Li Chemistry Chgr IC
LM3658SD-A/NOPB
Battery Management Dual Srce USB/AC Li Chemistry Chgr IC
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Manufacturer Part # : LM3658SD-A/NOPB
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Package/Case: WSON-10
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Brand: Texas Instruments
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Product Categories : Battery Chargers
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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LM3658SD-A/NOPB DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Featuring easy programming of charge currents through external resistors, the LM3658SD-A/NOPB offers a wide range of charge current options, from 50mA to 1000mA when using an AC wall adapter, and 100mA or 500mA when charging with USB power. The precise termination voltage control within ±0.35% of 4.2V ensures optimal battery charging performance
Key Features
- LM3658SD-A/NOPB, a reliable battery charger
- High efficiency and low quiescent current
- Safe and thermal regulated charging solution
- Status indication LEDs for easy monitoring
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Number of series cells | 1 | Charge current (max) (A) | 1 |
| Vin (max) (V) | 6 | Cell chemistry | Li-Ion/Li-Polymer |
| Battery charge voltage (min) (V) | 4.2 | Battery charge voltage (max) (V) | 4.2 |
| Absolute max Vin (max) (V) | 6.5 | Control topology | Linear |
| Control interface | Standalone (RC-Settable) | Features | BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation |
| Vin (min) (V) | 4.5 | Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
FAQs
What is LM3658SD-A/NOPB?
The LM3658SD-A/NOPB is a highly integrated single-cell Li-Ion and Li-Polymer battery charger designed by Texas Instruments. It is specifically designed for portable applications requiring a compact, high-efficiency charging solution, such as smartphones, tablets, and portable media players.
How Does LM3658SD-A/NOPB Work?
The LM3658SD-A/NOPB works by efficiently charging single-cell Li-Ion and Li-Polymer batteries using a constant current/constant voltage charging algorithm. It integrates a power FET, current sensor, and thermal regulation, providing a complete charging solution with minimal external components. The charger also includes features such as thermal regulation, battery detection, and charge status indication for safe and reliable battery charging.
How Many Pins does LM3658SD-A/NOPB have and What are the Functions of the Pinout Configuration?
The LM3658SD-A/NOPB is housed in a 12-pin WSON (Very Thin Small Outline No-lead) package. The pinout configuration includes:
- VBUS: Input voltage pin for the charger.
- PGND: Power ground pin.
- TS: Thermistor input for thermal regulation.
- STAT: Charge status indication pin.
- CE, EN, ILIM: Control pins for charge enable, enable, and current limit setting.
- PROG: Programming pin for setting the fast-charge current.
- USB: USB input pin.
- BAT: Battery connector pin.
- TS: Thermistor input pin for thermal regulation.
- C, F, S, T: Internal analog temperature status pins.
What are the Pros and Cons of LM3658SD-A/NOPB?
Pros:
- Integration: Highly integrated solution with minimal external components required.
- High Efficiency: Provides high-efficiency charging for Li-Ion and Li-Polymer batteries.
- Compact Package: Housed in a small WSON package, suitable for space-constrained designs.
- Thermal Regulation: Includes thermal regulation for safe and reliable charging.
- Charge Status Indication: Provides an indication of the charging status for user feedback.
Cons:
- Package Handling: The small WSON package may require specialized handling during assembly.
- Programming Complexity: May require careful consideration of programming the fast-charge current for optimal performance.
- External Components: Additional external components may be required for specific battery and system configurations.
Are There Any Equivalents/Alternatives to LM3658SD-A/NOPB for Recommendation?
- An equivalent part to the LM3658SD-A/NOPB is the BQ24092 from Texas Instruments.
- Alternatives to the LM3658SD-A/NOPB include the MCP73871 from Microchip Technology and the MAX1555 from Maxim Integrated.
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