• BQ25619RTWR WQFN-24
BQ25619RTWR WQFN-24

BQ25619RTWR

This battery charger includes a 20-mA termination function to ensure efficient charging and a 1 amp boost for a total power output of 24 watts

Quantity Unit Price(USD) Ext. Price
1 $1.481 $1.48
10 $1.299 $12.99
30 $1.187 $35.61
100 $0.855 $85.50
500 $0.804 $402.00
1000 $0.782 $782.00

Inventory:8,961

*The price is for reference only.
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Submit your quote request for BQ25619RTWR using this form.You can also reach us via email at Email: [email protected], and we will respond within 12 hours.

Overview of BQ25619RTWR

The BQ25619RTWR is a highly integrated single-cell Li-Ion battery charger with PowerPath management. It features USB OTG and USB SDP modes for flexibility in charging options. This charger is designed to provide efficient and reliable charging for portable devices powered by Li-Ion batteries.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VBUS: USB Input Voltage
  • STAT: Charging Status Indicator
  • PG: Power Good Indicator
  • TS: Thermistor Input
  • VIN: DC Input Voltage
  • VBAT: Battery Voltage Output
  • PROG: Programming Pin
  • GND: Ground
  • TS: Thermistor Input
  • IRLIM: Current Limit Programming
  • ISET: Charge Current Setting
  • EN2: Enable Input for USB OTG Mode
  • EN1: Enable Input for Charger Operation
  • TS: Thermistor Input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ25619RTWR for a visual representation.

Key Features

  • Single-Cell Li-Ion Charger: Specifically designed for single-cell Li-Ion batteries, ensuring compatibility with a wide range of portable devices.
  • PowerPath Management: Offers PowerPath management functionality for seamless power delivery and enhanced system reliability.
  • USB OTG and USB SDP Modes: Supports USB On-The-Go (OTG) and Standard Downstream Port (SDP) modes for versatile charging options.
  • Thermal Regulation: Incorporates thermal regulation features to prevent overheating during charging processes, ensuring safe charging operations.
  • Status Indicators: Includes status indicators such as STAT and PG for monitoring charging status and power availability.

Note: For detailed technical specifications, please refer to the BQ25619RTWR datasheet.

Application

  • Portable Devices: Ideal for charging batteries in various portable devices including smartphones, tablets, and portable media players.
  • Power Banks: Suitable for use in power bank applications, providing efficient and reliable charging capabilities for on-the-go power solutions.
  • Mobile Accessories: Used in various mobile accessories that require Li-Ion battery charging, such as wireless earbuds and wearable devices.

Functionality

The BQ25619RTWR is a versatile Li-Ion battery charger with advanced features for efficient charging and power management in portable devices. It offers a reliable charging solution for single-cell Li-Ion batteries with integrated thermal regulation and status monitoring.

Usage Guide

  • Input Power: Connect the VBUS pin to the USB input voltage source for charging.
  • Battery Connection: Connect the battery to the VBAT pin for charging and power delivery.
  • Programming: Use the PROG pin for programming charge current and other settings based on application requirements.

Frequently Asked Questions

Q: Can the BQ25619RTWR charger multiple cells in series?
A: No, the BQ25619RTWR is designed specifically for single-cell Li-Ion battery charging and does not support multiple cells in series configurations.

Q: Does the BQ25619RTWR support fast charging technologies?
A: Yes, the BQ25619RTWR is compatible with fast charging protocols and can deliver efficient charging for devices that support fast charging.

Equivalent

For similar functionalities, consider these alternatives to the BQ25619RTWR:

  • BQ24210DGWR: A compact single-cell Li-Ion charger with integrated power management features for portable applications.
  • BQ25895MUV: This charger IC offers high efficiency and advanced charging algorithms for optimizing battery performance in portable devices.

BQ25619RTWR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of series cells 1 Charge current (max) (A) 1.5
Vin (max) (V) 13.5 Cell chemistry Li-Ion/Li-Polymer, Lithium Phosphate/LiFePO4
Battery charge voltage (min) (V) 3.5 Battery charge voltage (max) (V) 4.52
Absolute max Vin (max) (V) 22 Control topology Switch-Mode Buck
Control interface I2C Features BAT temp thermistor monitoring (JEITA profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path, USB OTG integrated, VINDPM (Input voltage threshold to maximize adaptor power)
Vin (min) (V) 3.9 Rating Catalog
Operating temperature range (°C) -40 to 85

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package

    Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

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