BQ24040DSQ The BQ24040DSQ from Texas Instruments is a highly integrated linear charger for Li-Ion and Li-Pol batteries. It operates from USB or AC adapter sources.
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BQ24040DSQ

Available from 1 distributors
Mfr Name: NXE
NXE
The BQ24040DSQ from Texas Instruments is a highly integrated linear charger for Li-Ion and Li-Pol batteries. It operates from USB or AC adapter sources.
✓ Total Stock: 1,200 pcs
$ Price Range: $1.29

BQ24040DSQ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,200 pcs
1200 pcs On Request 1 On Request On Request On Request On Request On Request

BQ24040DSQ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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BQ24040DSQ Description

Short technical summary and product information.

The BQ24040DSQ is a highly integrated, single-input, single-cell Li-Ion and Li-Pol battery charger designed for space-limited portable applications. It can operate from either a USB port or an AC adapter, with a high input voltage range and overvoltage protection supporting low-cost unregulated adapters.

 

The device charges the battery in three phases: conditioning, constant current, and constant voltage. It offers precise charge voltage accuracy of 1% and charge current accuracy of 10%. The charger includes programmable termination and precharge thresholds, and supports high voltage (4.35V) chemistry with the bq24045 variant.

 

Protection features include a 30V input rating with overvoltage protection, input voltage dynamic power management, and thermal regulation at 125°C with thermal shutdown at 150°C. It also has OUT short-circuit protection and ISET short detection. The charger is available in a compact 2mm x 2mm WSON-10 package, suitable for surface mounting.

 

Applications for the BQ24040DSQ include smart phones, PDAs, MP3 players, and other low-power handheld devices.

BQ24040DSQ Quick Information

Product Type: Battery Charger
Series: bq2404x
Canonical Name: BQ24040DSQ Single-Input, Single-Cell Li-Ion and Li-Pol Battery Charger
Subcategory: Power Management ICs

BQ24040DSQ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BQ24040DSQ Estimated Pricing

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1+ $1.29 $1.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

BQ24040DSQ Features

  • Highly integrated Li-Ion/Li-Pol linear charger.
  • 1% charge voltage accuracy.
  • 10% charge current accuracy.
  • 30V input rating with overvoltage protection.
  • Compact 2mm x 2mm WSON-10 package.

BQ24040DSQ Applications

  • Used in portable devices with single-cell Li-Ion batteries.
  • Ideal for USB-powered chargers.
  • Suitable for handheld medical devices.
  • Battery charging for wearables.
  • Charging circuits in IoT modules.

BQ24040DSQ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum input voltage for the BQ24040DSQ?

The maximum input voltage rating is 30V.

What is the package type of the BQ24040DSQ?

The BQ24040DSQ is packaged in a WSON-10 (2mm x 2mm) package.

What is the charge voltage accuracy of the BQ24040DSQ?

The typical charge voltage accuracy is 1%.

What is the charge current accuracy of the BQ24040DSQ?

The typical charge current accuracy is 10%.

Does the BQ24040DSQ have thermal protection?

Yes, it has thermal regulation at 125°C and thermal shutdown protection at 150°C.

What is the safety timer duration of the BQ24040DSQ?

The safety timer is 10 hours.

Does the BQ24040DSQ include short-circuit protection?

Yes, it includes OUT short-circuit protection and ISET short detection.

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