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BQ25731RSNR
I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support 32-QFN -40 to 85
BQ25731RSNR
I2C 1-5 cell NVDC buck-boost battery charge controller with USB type-C PD support 32-QFN -40 to 85
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Manufacturer Part # : BQ25731RSNR
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Package/Case: QFN-32
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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
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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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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BQ25731RSNR 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
The BQ25731RSNR is a state-of-the-art switch-mode battery charge management and power path management device that offers a robust and efficient solution for diverse applications. Boasting a synchronous switch-mode charger and high-efficiency buck-boost converter, this device delivers superior charging performance and reliability for a variety of battery types and sizes. Its wide input voltage range of 3.6 V to 24 V, combined with a maximum charge current of 6 A, ensures compatibility with different power sources and battery capacities. The power path management capability allows for seamless power distribution from multiple sources simultaneously, with a priority on supplying system power for uninterrupted operation. Equipped with advanced protection features including input overvoltage protection and thermal regulation, the BQ25731RSNR guarantees safe and reliable functionality under various environmental conditions. Its compact and thermally-enhanced 38-pin QFN package makes it ideal for space-constrained designs, offering a perfect blend of performance and convenience in electronic applications
Key Features
- High-Efficiency and Low EMI Design
- Flexible Charging Options for Versatility
- Battery Protection Against Overcharge
- Advanced Power Management
- Improved System Reliability
- Enhanced Safety Features
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Reach Compliance Code | |
| ECCN Code | EAR99 | HTS Code ! | 8542.39.00.01 |
| Date Of Intro | 2020-06-28 | Adjustable Threshold | YES |
| Analog IC - Other Type | BATTERY CHARGE CONTROLLER | JESD-30 Code | S-PQCC-N32 |
| JESD-609 Code | e4 | Length | 4 mm |
| Moisture Sensitivity Level | 1 | Number of Channels | 5 |
| Number of Functions | 1 | Number of Terminals | 32 |
| Operating Temperature-Max | 85 °C | Operating Temperature-Min | -40 °C |
| Package Body Material | PLASTIC/EPOXY | Package Code | HVQCCN |
| Package Equivalence Code | LCC32,.16SQ,16 | Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | Peak Reflow Temperature (Cel) | 260 |
| Seated Height-Max | 0.8 mm | Supply Voltage-Max (Vsup) | 26 V |
| Supply Voltage-Min (Vsup) | 3.5 V | Surface Mount ! | YES |
| Switcher Configuration | BUCK-BOOST | Temperature Grade ! | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | Terminal Form ! | NO LEAD |
| Terminal Pitch ! | 0.4 mm | Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | Width | 4 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is BQ25731RSNR?
The BQ25731RSNR is a highly integrated battery charge controller and system power path management device designed by Texas Instruments. It is specifically tailored for single-cell Li-ion or Li-polymer battery charging applications in a wide range of portable devices.
How Does BQ25731RSNR Work?
The BQ25731RSNR manages the charging process of a single-cell battery through a high-efficiency synchronous buck-boost charger. It incorporates power path management to support various input sources while delivering power to the system and charging the battery simultaneously. The device also features dynamic power path management for optimal efficiency during different operating scenarios.
How Many Pins does BQ25731RSNR have and What are the Functions of the Pinout Configuration?
The BQ25731RSNR is housed in a 24-pin VQFN (Very Thin Quad Flat No-leads) package. The pinout configuration includes:
- VBUS: Input power supply pin.
- VOUT: Output power supply pin.
- TS: Temperature sense pin.
- PROG: Programmable pin for setting up various functions.
- STAT: Status pin for indicating different charge states.
- PG: Power good indicator pin.
- IRQ: Interrupt pin for system control.
- EN: Enable pin for turning the device on or off.
What are the Pros and Cons of BQ25731RSNR?
Pros:
- Integrated Solution: Combines battery charging and power management functions in a single device.
- High Efficiency: Utilizes synchronous buck-boost charging for maximize charging efficiency.
- Power Path Management: Supports concurrent system and battery charging with multiple input sources.
- Dynamic Power Path Management: Optimizes power flow based on system requirements for efficiency.
- Programmable Functions: Provides flexibility through programmable pins for customized applications.
Cons:
- Complexity: Requires careful design consideration and configuration for optimal performance.
- Thermal Management: May need additional measures for thermal dissipation in high-power applications.
- Cost: Integrated features may come at a higher price point compared to basic charging controllers.
Are There Any Equivalents/Alternatives to BQ25731RSNR for Recommendation?
- The BQ25601 from Texas Instruments offers similar charging and power management functionalities in a different package.
- Alternatives to the BQ25731RSNR include the MAX77827 from Maxim Integrated and the LTC4011 from Analog Devices.
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