Products > Integrated Circuits (ICs) > RT9526AGQW

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Single Cell Li-Ion Battery Charger with Input Over Voltage Protection

  • Package/Case :
  • WDFN-8L
  • Product Categories :
  • Battery Management ; Single Cell Li-Ion Battery Charger
  • RoHs Status:
  • Lead free / RoHS Compliant
  • Marking Code:
  • 05x
  • In-stock:
  • 1979


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RT9526AGQW Product Details

The RT9526AGQW is a fully integrated low cost single cell Li-ion battery charger ideal for portable applications. The RT9526AGQW is capable of being powered up from AC adapter and USB (Universal Serial Bus) port inputs. The RT9526AGQW enters sleep mode when supplies are removed. The RT9526AGQW optimizes the charging task by using a control algorithm including preconditioning mode, fast charge mode, and constant voltage mode. The charging task will remain in constant voltage mode to hold the battery in a full charge condition. The charge current can be programmed with an external resistor. The internal thermal feedback circuitry regulates the die temperature to optimize the charge rate under all ambient temperatures. The RT9526AGQW features 28V maximum rating voltage for VIN. Under-voltage protection and over-voltage protection are provided for the AC adapter supply. The RT9526AGQW is available in the WDFN-8L 2x3 and SOT-23-6 package to achieve best solution for PCB space and total BOM cost saving considerations.



  • 28V Maximum Rating for AC Adapter with Over-Voltage Protection 7V
  • Internal Integrated Power FETs
  • AC Adapter Power Good Status Indicator
  • Programmed Charging Current
  • Charge Status Indicator
  • Programmed End of Charge Current
  • Under-Voltage Protection
  • Thermal Feedback Optimizing Charge Rate
  • RoHS Compliant and Halogen Free


  • Cellular Phones
  • Digital Cameras
  • PDAs and Smart Phones
  • Portable Instruments

RT9526AGQW Block Diagram
(Picture: Diagram)

Technical Parameters

  • Status
  • Active
  • Vin (min) (V)
  • 4.5
  • Vin (max) (V)
  • 6
  • Battery Charge Voltage (max) (V)
  • 4.2
  • Battery Charge Current (max) (A)
  • 1
  • Status Indicator
  • Yes
  • Charger Type
  • Linear
  • Input Source
  • AC Adapter;USB
  • Features
  • Enable Input;OVP;Power Good;UVP
  • Package Type
  • SOT-26;WDFN2x3-8
  • Built in Power MOSFETs
  • Yes

RT9526AGQW Documents

RT9526AGQW Related Products

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Shipping More
Estimated Delivery Time: May 28 - Jun 02 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

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.


Q: How does Jotrin guarantee that RT9526AGQW is the original manufacturer or agent of RICHTEK?
We have a professional business development department to strictly test and verify the qualifications of RICHTEK original manufacturers and agents. All RICHTEK suppliers must pass the qualification review before they can publish their RT9526AGQW devices; we pay more attention to the channels and quality of RT9526AGQW products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of RT9526AGQW chips? Including RICHTEK original factory information, Battery Management ; Single Cell Li-Ion Battery Charger application, RT9526AGQW pictures?
You can use Jotrin's intelligent search engine, or filter by Battery Management ; Single Cell Li-Ion Battery Charger category, or find it through Richtek Technology Corporation Information page.
Q: Are the RICHTEK's RT9526AGQW price and stock displayed on the platform accurate?
The RICHTEK's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for RT9526AGQW, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of RT9526AGQW?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the RT9526AGQW we delivered, we will accept the replacement or return of the RT9526AGQW only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of RT9526AGQW.
(3)The RT9526AGQW is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as RT9526AGQW datasheet pdf, RT9526A pin diagram?
Need any After-Sales service, please feel free contact us:

Richtek Technology Corporation

Richtek is an international analog IC design company specializing in providing customers with diverse and competitive products and complete power management solutions. Since its establishment, Richtek has focused on integrating technical capabilities, adhering to quality and positive customer ser...
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