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BQ24205DGN The BQ24205DGN from Texas Instruments is a single-chip Li-Ion battery charger IC designed for current-limited applications. It offers a 500mA charge current and a 4.1V battery charge voltage.
Mfr Part #:

BQ24205DGN

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The BQ24205DGN from Texas Instruments is a single-chip Li-Ion battery charger IC designed for current-limited applications. It offers a 500mA charge current and a 4.1V battery charge voltage.
✓ Total Stock: 20,089 pcs
$ Price Range: $3.39

BQ24205DGN Available from 1 distributor

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20,089 pcs
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BQ24205DGN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Control Interface
Current
Fault Protection
Features
Input Voltage
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Voltage
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BQ24205DGN Description

Short technical summary and product information.

The Texas Instruments BQ24205DGN is a linear charge management IC specifically designed for low-cost and space-limited Li-Ion and Li-Polymer battery charger applications. This device integrates a powerFET, voltage regulation with 0.5% accuracy, temperature monitoring, charge status output, and charge termination capabilities into a single monolithic package.

 

It is ideal for designs utilizing current-limited wall supplies. Key electrical specifications include a minimum input voltage of 2.8V and a maximum of 13.5V, with an absolute maximum input voltage of 16.5V. The charge current is 500mA, and the battery charge voltage is fixed at 4.1V. It supports single-cell (1S) battery configurations.

 

The BQ24205DGN features thermistor monitoring for battery temperature, pre-charge conditioning with a safety timer, and sleep mode for low-power consumption. Charge termination is achieved by minimum current and time. The device provides charge status output for LED indication or host processor interface, signaling charge-in-progress, completion, and faults.

 

Packaged in an 8-pin HVSSOP (MSOP) with an exposed pad, this IC is suitable for surface mount applications. The operating temperature range is -40°C to 85°C.

BQ24205DGN Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ24205DGN Single-Chip Li-Ion & Li_Pol Charge Mgmt IC
Subcategory: Power Management ICs

BQ24205DGN Compliance

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

BQ24205DGN Estimated Pricing

Qty Low High
1+ $3.39 $3.39

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

BQ24205DGN Features

  • Single-chip Li-Ion charge management IC.
  • 500mA charge current capability.
  • 4.1V fixed battery charge voltage.
  • Integrated powerFET and voltage regulation.
  • MSOP-8 package for space-limited designs.

BQ24205DGN Applications

  • Ideal for current-limited applications.
  • Suitable for single-cell Li-Ion packs.
  • Low-cost charger designs.
  • Portable electronic devices.

BQ24205DGN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the BQ24205DGN?

The input voltage range is 2.8V to 13.5V, with an absolute maximum of 16.5V.

What is the charge current capability?

The maximum charge current is 500mA.

What battery chemistry does it support?

It supports Li-Ion and Li-Polymer batteries.

What protection features does it include?

It includes over-temperature and short circuit protection.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package options are available?

It is available in 8-HVSSOP and 8-TSSOP/MSOP (0.118" width) with exposed pad, surface mount.

How many cells can it charge?

It charges a single (1) series cell.

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