TI BQ25798RQMR
5-A buck-boost solar battery charger





Brands: Texas Instruments
Mfr.Part #: BQ25798RQMR
Datasheet: BQ25798RQMR Datasheet (PDF)
Package/Case: VQFN-HR (RQM)-29
Product Type: Battery Chargers
RoHS Status:
Stock Condition: 3,276 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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BQ25798RQMR General Description
The BQ25798RQMR is a cutting-edge buck-boost charger ideal for 1-4 cell Li-ion and Li-polymer batteries. Its advanced design integrates multiple components, including switching MOSFETs, current sensing circuits, and the battery FET, simplifying the charging process. With NVDC power path management, this charger ensures stable system voltage levels, preventing any drops below a user-defined threshold. Additionally, the battery supplement mode enables the system to draw power from the battery when the input source capacity is exceeded, avoiding overload situations
Features
- Autonomous decision-making
- Machine learning and AI integration
- Sensor fusion and processing
Application
Specifications
Parameter | Value | Parameter | Value |
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Number of series cells | 1, 2, 3, 4 | Charge current (max) (A) | 5 |
Vin (max) (V) | 24 | Cell chemistry | Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4 |
Battery charge voltage (min) (V) | 3 | Battery charge voltage (max) (V) | 18.8 |
Absolute max Vin (max) (V) | 30 | Control topology | Switch-Mode Buck-boost |
Control interface | I2C | Features | BAT temp thermistor monitoring (JEITA profile), BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, ICO (Input Current Optimization), IINDPM (Input current limit), Input OVP, Integrated ADC, Integrated LDO, Power Path, Solar input/MPPT, USB C/PD compatible, USB D+/D-/BC1.2 integrated, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power) |
Vin (min) (V) | 3.6 | Rating | Catalog |
Operating temperature range (°C) | -40 to 85 |
Shipping
Shipping Type | Ship Fee | Lead Time | |
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time:Shipping fee depend on different zone and country.
Payment
Terms of payment | Hand Fee | |
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.5% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the BQ25798RQMR?
A: To place an order for the BQ25798RQMR, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the BQ25798RQMR?
A: We offer a 1-year warranty on the BQ25798RQMR. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of BQ25798RQMR from Texas Instruments?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents. All Texas Instruments suppliers must pass a qualification review before they can list their BQ25798RQMR products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the BQ25798RQMR chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Texas Instruments information page to find comprehensive details about the BQ25798RQMR.
Q: Are the price and stock information for BQ25798RQMR on Ovaga's platform accurate?
A: Inventory levels for Texas Instruments products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for BQ25798RQMR?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the BQ25798RQMR?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The BQ25798RQMR chip is a highly integrated synchronous battery charger controller for modern USB Type-C and USB Power Delivery (PD) applications. It supports a wide input voltage range, and provides advanced features such as programmable power path management, dynamic power management, and battery monitoring. This chip is designed to optimize battery charging and power delivery in a compact and efficient package.
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Equivalent
The equivalent products of BQ25798RQMR chip are the BQ25798RQMT, BQ25798RQMTG4, BQ25790DQCT, and BQ25795DQCT chips. These chips are part of Texas Instruments' battery charging ICs with integrated buck-boost power stage for fast charging. -
Features
BQ25798RQMR is a USB Type-C charger with Power Delivery (PD) controller, supporting up to 100W charging power, with integrated buck-boost controller and battery charge management features. It offers high efficiency charging, thermal protection, and system monitoring functions. -
Pinout
The BQ25798RQMR is a 42-pin integrated battery charger IC with Power Delivery support. It features USB Type-C input, battery charging, and system power delivery. Key functions include battery management, source and sink charging, USB PD negotiation, and system power monitoring. -
Manufacturer
Texas Instruments is the manufacturer of the BQ25798RQMR. They are an American semiconductor company that designs and manufactures a wide range of integrated circuits, including microcontrollers, power management devices, and analog chips. Texas Instruments is a leading supplier of semiconductor solutions for various industries, including automotive, consumer electronics, and industrial applications. -
Application Field
The BQ25798RQMR is commonly used in various applications such as power banks, portable chargers, USB Type-C power delivery systems, and other portable electronic devices. It is designed to efficiently manage power sources, protect the battery, and support fast charging technologies, making it ideal for mobile devices. -
Package
The BQ25798RQMR chip is a 28-pin VQFN package with a form factor of Surface Mount. Its size is 4mm x 4mm x 1mm.
Assembly Advice
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