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BQ24133RGYT

BQ24133RGYT - Synchronous Charger for Stand-Alone Li-Ion and Li-Polymer Batteries

Inventory:3,122

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Overview of BQ24133RGYT

The BQ24133RGYT is a highly integrated standalone Li-ion and Li-polymer switch-mode battery charger. It features high-efficiency synchronous PWM charger, integrated power FETs, and numerous safety features, making it suitable for portable applications.

Pinout

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

  • VBUS: Input for the USB supply voltage
  • VIN: Input for the AC adapter supply voltage
  • TS: Temperature sense input
  • STAT: Charger status output
  • CE: Charge enable control input
  • TS: Temperature sense input
  • PG: Power good status output
  • TS: Temperature sense input
  • TS: Temperature sense input
  • TS: Temperature sense input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ24133RGYT for a visual representation.

Key Features

  • Integrated Power FETs: Includes internal power FETs for high efficiency and reduced footprint.
  • Wide Input Voltage Range: Supports input voltages from 4.5V to 17V, accommodating various power sources.
  • USB On-the-Go (OTG) Support: Provides USB OTG support for charging and system power from a single USB port.
  • Charge Status Outputs: Outputs charge status information through STAT and PG pins.
  • Thermal Regulation and Protection: Integrated thermal regulation and protection ensure safe operation under varying conditions.
  • Small Package: Available in a compact 24-pin QFN package.

Note: For detailed technical specifications, please refer to the BQ24133RGYT datasheet.

Application

  • Portable Devices: Ideal for charging Li-ion and Li-polymer batteries in portable electronic devices.
  • Smartphones and Tablets: Suitable for battery management in smartphones, tablets, and other mobile devices.
  • Power Banks: Used in power bank applications to charge external batteries efficiently.

Functionality

The BQ24133RGYT is a high-efficiency switch-mode battery charger designed for standalone operation with integrated power FETs. It ensures reliable and efficient charging of Li-ion and Li-polymer batteries in various portable applications.

Usage Guide

  • Power Supply: Connect VIN and VBUS to the respective power sources (AC adapter or USB).
  • Temperature Sensing: Utilize the TS pin for accurate temperature monitoring during charging.
  • Charge Enable: Control charging with the CE pin to enable or disable the charging process.

Frequently Asked Questions

Q: What input voltage range does the BQ24133RGYT support?
A: The BQ24133RGYT supports input voltages from 4.5V to 17V, making it versatile for various power sources.

Q: Is the BQ24133RGYT suitable for USB On-the-Go (OTG) applications?
A: Yes, the BQ24133RGYT supports USB OTG functionality, enabling charging and system power from a single USB port.

Equivalent

For similar functionalities, consider these alternatives to the BQ24133RGYT:

  • BQ24130: Another variant from Texas Instruments, offering similar features with slight variations in specifications.
  • BQ24150: This IC provides comparable battery charging capabilities with enhanced efficiency and integration.

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, 2, 3 Charge current (max) (A) 2.5
Vin (max) (V) 17 Cell chemistry Li-Ion/Li-Polymer
Battery charge voltage (min) (V) 4.2 Battery charge voltage (max) (V) 13.5
Absolute max Vin (max) (V) 20 Control topology Switch-Mode Buck
Control interface Standalone (RC-Settable) Features BAT temp thermistor monitoring (hot/cold profile), IC thermal regulation, IINDPM (Input current limit), Input OVP, Power Path
Vin (min) (V) 4.5 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

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packageimg

BQ24133RGYT

BQ24133RGYT - Synchronous Charger for Stand-Alone Li-Ion and Li-Polymer Batteries

Inventory:

3,122