Products > Integrated Circuits (ICs) > Power Management ICs > BQ29209TDRBRQ1
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BQ29209TDRBRQ1

Automotive Voltage Protection with Automatic Cell Balance For 2-Cell Li-Ion Batteries, OVP=4.30V

  • Manufacturer :
  • TI
  • Package/Case :
  • SON-8
  • Product Categories :
  • Battery Management
  • RoHs Status:
  • Lead free / RoHS Compliant
  • Marking Code:
  • 209Q1
  • In-stock:
  • 0

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BQ29209TDRBRQ1 Product Details

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Description

The BQ29209TDRBRQ1 deviceis a secondary overvoltage protection IC for 2-series cell lithium-ion battery packs thatincorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalancecorrection.

The voltage of each cell in a 2-series cell battery pack is compared to a factoryprogrammed internal reference voltage. If either cell reaches an overvoltage condition, the OUT pinchanges from low to high state.

The BQ29209TDRBRQ1 canperform automatic voltage-based cell imbalance correction. Balancing can start when the cellvoltages are different by nominally 30mV or more and stops when the difference isnominally 0 mV. Cell balancing is enabled and disabled by the CB_ENpin.

BQ29209TDRBRQ1

Feature

  • 2-series cell secondaryprotection
  • Automatic cell imbalance correction with external enablecontrol
    • ±30-mV enable, 0-mV disable thresholdstypical
  • External capacitor-controlled delaytimer
  • External resistor-controlled cell balance current
  • Lowpower consumption ICC < 3 μA typical (VCELL(ALL)< VPROTECT)
  • Internal cell balancing handlescurrentup to 15mA
  • External cell balancing modesupported
  • High-accuracy overvoltage protection:
    • ±25 mVwith TA = 0°C to 60°C
  • Fixedovervoltage protection threshold:4.30 V
  • Small8L DRB package
  • Automotive-qualified AEC Q100 grade two

All trademarks are the property of their respective owners.

Description

The BQ29209-Q1 deviceis a secondary overvoltage protection IC for 2-series cell lithium-ion battery packs thatincorporates a high-accuracy precision overvoltage detection circuit and automatic cell imbalancecorrection.

The voltage of each cell in a 2-series cell battery pack is compared to a factoryprogrammed internal reference voltage. If either cell reaches an overvoltage condition, the OUT pinchanges from low to high state.

The BQ29209-Q1 canperform automatic voltage-based cell imbalance correction. Balancing can start when the cellvoltages are different by nominally 30mV or more and stops when the difference isnominally 0 mV. Cell balancing is enabled and disabled by the CB_ENpin.

BQ29209TDRBRQ1 Block Diagram
(Picture: Diagram)

Technical Parameters

  • Function
  • Battery Protection
  • Battery Chemistry
  • Lithium-Ion
  • Number of Cells
  • 2
  • Fault Protection
  • Over Voltage
  • Operating Temperature
  • -40??C ~ 105??C (TA)
  • Package / Case
  • 8-VDFN Exposed Pad
  • Supplier Device Package
  • 8-SON (3x3)

BQ29209TDRBRQ1 Documents

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Ratings and Reviews (1)

  • 5 / 5
  • 5 Stars 100%
  • 4 Stars 0%
  • 3 Stars 0%
  • 2 Stars 0%
  • 1 Stars 0%
  • **hris***
    2018-07-28

    Livraison rapide, produit nickel, c'est parfait

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  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

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    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.

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

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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.

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Guarantees

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.

FAQ:

Q: How does Jotrin guarantee that BQ29209TDRBRQ1 is the original manufacturer or agent of TI?
We have a professional business development department to strictly test and verify the qualifications of TI original manufacturers and agents. All TI suppliers must pass the qualification review before they can publish their BQ29209TDRBRQ1 devices; we pay more attention to the channels and quality of BQ29209TDRBRQ1 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of BQ29209TDRBRQ1 chips? Including TI original factory information, Battery Management application, BQ29209TDRBRQ1 pictures?
You can use Jotrin's intelligent search engine, or filter by Power management ; Battery management ; Battery protectors category, or find it through TI brand manufacturer page.
Q: Are the TI's BQ29209TDRBRQ1 price and stock displayed on the platform accurate?
The TI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for BQ29209TDRBRQ1, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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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.
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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 BQ29209TDRBRQ1?
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 BQ29209TDRBRQ1 we delivered, we will accept the replacement or return of the BQ29209TDRBRQ1 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 BQ29209TDRBRQ1.
(3)The BQ29209TDRBRQ1 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 BQ29209TDRBRQ1 datasheet pdf, BQ29209-Q1 pin diagram?
Need any After-Sales service, please feel free contact us: sales@jotrin.com

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