Mfr Part #:

BQ771803DPJT

The Texas Instruments BQ771803DPJT is an integrated circuit designed for battery protection in 2 to 5-cell Lithium-Ion battery packs. It offers overvoltage protection and operates over a wide temperature range.

✓ Total Stock: 30,133 pcs

$ Price Range: $0.58

BQ771803DPJT Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Romaks Technologies ✓ Non-Authorised Inventory information	30,133 pcs On Request	30133 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BQ771803DPJT Description

Short technical summary and product information.

The BQ771803DPJT from Texas Instruments is a dedicated battery protection IC for Lithium-Ion battery systems, supporting configurations from 2 to 5 series cells. This device independently monitors each cell for overvoltage conditions, providing critical protection against damaging voltage spikes.

Key electrical specifications include a maximum input voltage of 25V and a typical operating current of just 1µA, ensuring minimal power draw. The overvoltage protection threshold is precisely controlled, with a minimum setting of 3.85V and a maximum of 4.65V, offering high accuracy of ±10mV. The device operates reliably within an extended temperature range of -40°C to 110°C.

Packaged in an 8-WSON (3x4 mm) or 8-WDFN exposed pad format, the BQ771803DPJT is designed for surface mount applications. Its functionality includes overvoltage fault protection, making it suitable for various battery management applications where cell integrity is paramount.

BQ771803DPJT Quick Information

Product Type: Battery Protection IC

Canonical Name: BQ771803DPJT Overvoltage Protector IC

Subcategory: Battery Protectors

BQ771803DPJT Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BQ771803DPJT Estimated Pricing

Qty	Low	High
1+	$0.58	$0.58

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

BQ771803DPJT Features

Monitors 2 to 5 series Li-Ion cells.
Provides precise overvoltage protection.
Operates from -40°C to 110°C.
Low typical operating current of 1µA.
Surface mount 8-WSON package.

BQ771803DPJT Applications

Protects Li-Ion battery packs.
Enhances battery safety in devices.
Suitable for portable electronics.
Used in power tool battery systems.
Applicable in energy storage systems.

BQ771803DPJT FAQs

6 frequently asked questions generated from this part’s specifications.

What is the operating temperature range for the BQ771803DPJT?

The operating temperature range for the BQ771803DPJT is -40°C to 110°C.

What is the maximum number of cells the BQ771803DPJT can protect?

The BQ771803DPJT can protect up to 5 series cells.

What type of battery chemistry is supported by the BQ771803DPJT?

The BQ771803DPJT supports Lithium Ion battery chemistry.

What is the typical operating current of the BQ771803DPJT?

The typical operating current for the BQ771803DPJT is 1 µA.

What is the minimum overvoltage protection threshold for the BQ771803DPJT?

The minimum overvoltage protection threshold is 3.85 V.

What is the package type for the BQ771803DPJT?

The BQ771803DPJT is available in an 8-WSON (3x4) or 8-WDFN Exposed Pad package.

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