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BQ25619RTWT The Texas Instruments BQ25619RTWT is an I2C controlled single-cell buck battery charger. It offers a 1.5A charge current, 1A boost output, and operates over a wide input voltage range.
Mfr Part #:

BQ25619RTWT

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments BQ25619RTWT is an I2C controlled single-cell buck battery charger. It offers a 1.5A charge current, 1A boost output, and operates over a wide input voltage range.
✓ Total Stock: 15,061 pcs
$ Price Range: $1.94

BQ25619RTWT Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
12,053 pcs
On Request
12053 pcs On Request 1 On Request On Request On Request On Request On Request
Unit Electronics Co.,Limited ✓
Non-Authorised Inventory information
3,008 pcs
On Request
3008 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BQ25619RTWT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Battery Chemistry
Battery Pack Voltage
Charge Current
Current
Fault Protection
Input Voltage
Interface
Mounting Type
Number of Cells
Operating Temperature
Programmable Features
Supplier Device Package
Voltage
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BQ25619RTWT Description

Short technical summary and product information.

The BQ25619RTWT from Texas Instruments is an I2C controlled, single-cell buck battery charger designed for wearable accessories. It supports charging from adapter or battery sources with a flexible input voltage range of 4V to 13.5V, and an absolute maximum rating of 22V.

 

This charger features high efficiency, operating at 1.5MHz with synchronous switch-mode buck topology. It provides a charge current of 1A and a boost mode output from 4.6V to 5.15V with 1A output. The device offers precise charge voltage regulation of ±0.5% and a low termination current of 20mA ±10mA. Programmable features include current, timer, and voltage, with fault protection for over current, over temperature, and over voltage conditions.

 

The BQ25619RTWT is housed in a 24-WQFN (4x4) package and is designed for surface mount applications. It operates within an ambient temperature range of -40°C to 85°C. The integrated control allows seamless switching between charge and boost modes, simplifying system design.

BQ25619RTWT Quick Information

Product Type: Battery Charger IC
Canonical Name: BQ25619RTWT I2C Controlled 1.5-A Single Cell Buck Battery Charger with 20-mA Termination and 1-A Boost
Subcategory: Power Management ICs

BQ25619RTWT Compliance

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

BQ25619RTWT Estimated Pricing

Qty Low High
1+ $1.94 $1.94

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

BQ25619RTWT Features

  • I2C controlled single-cell buck battery charger.
  • 1.5A charge current and 1A boost output.
  • Wide 4V to 13.5V input voltage range.
  • High efficiency charge and boost modes.
  • Compact 24-WQFN (4x4) package.

BQ25619RTWT Applications

  • Ideal for wearable accessory charging.
  • Suitable for portable power applications.
  • Enables efficient battery management.
  • Supports USB and adapter power inputs.

BQ25619RTWT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the BQ25619RTWT?

The BQ25619RTWT supports an input voltage range of 4V to 13.5V.

What package type is the BQ25619RTWT available in?

The BQ25619RTWT is available in a 24-WQFN (4x4) package, also referred to as 24-WFQFN Exposed Pad.

What is the operating temperature range for the BQ25619RTWT?

The operating temperature range for the BQ25619RTWT is -40°C to 85°C.

What is the charge current for the BQ25619RTWT?

The BQ25619RTWT has a charge current of 1A.

What is the boost output current of the BQ25619RTWT?

The BQ25619RTWT provides a boost output current of 1A.

How many cells can the BQ25619RTWT charge?

The BQ25619RTWT is designed to charge a single cell (1S) Lithium Ion/Polymer battery.

What interfaces does the BQ25619RTWT support?

The BQ25619RTWT supports I2C and USB interfaces.

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