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HomeProductsIntegrated Circuits (ICs)PMIC - Battery ChargersBQ24193RGER
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BQ24193RGER - Texas Instruments

Manufacturer Part Number
BQ24193RGER
Manufacturer
Texas Instruments
Allelco Part Number
32D-BQ24193RGER
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
18,810 pcs available, New & Original
Parts Description
IC BATT CHG LI-ION 1CELL 24VQFN
Package
24-VQFN (4x4)
Data sheet
BQ24193RGER.pdf

PCN Assembly/Origin

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 18810
  • Unit Price: $1.593
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $1.593 $1.59
10+ $1.556 $15.56
30+ $1.531 $45.93
100+ $1.506 $150.60
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

BQ24193RGER Tech Specifications
Texas Instruments - BQ24193RGER technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - BQ24193RGER

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply (Max) 17V
Supplier Device Package 24-VQFN (4x4)
Series -
Programmable Features -
Package / Case 24-VFQFN Exposed Pad
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C (TA)
Number of Cells 1
Product Attribute Attribute Value
Mounting Type Surface Mount
Interface I²C
Fault Protection Over Current, Over Temperature, Over Voltage
Current - Charging Constant - Programmable
Charge Current - Max 4.5A
Battery Pack Voltage 4.2V
Battery Chemistry Lithium Ion/Polymer
Base Product Number BQ24193

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

BQ24193RGER Image
BQ24193RGER (1)

Manufacturer Part Number

BQ24193RGER

Manufacturer

Texas Instruments

Introduction

Texas Instruments' BQ24193RGER is a highly integrated battery charger designed for lithium-ion or lithium-polymer batteries, suitable for powering portable devices.

Product Features and Performance

Supports Lithium Ion/Polymer battery chemistry

Provides constant programmable charging current up to 4.5A

Features fault protection against overcurrent, overtemperature, and overvoltage

Operates with a maximum supply voltage of 17V

Utilizes I2C interface for communication and control

Designed for surface mounting with a 24-VFQFN Exposed Pad package

Product Advantages

High charge current capability enhances faster charging

Integrated fault protection increases device safety and longevity

Compact 24-VQFN package allows for space-saving designs

BQ24193RGER Image
BQ24193RGER (2)

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Charge Current Max: 4.5A

Battery Pack Voltage: 4.2V

Voltage Supply (Max): 17V

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Overcurrent, overtemperature, and overvoltage protection mechanisms safeguard the battery and the device

Compatibility

Compatible with single-cell lithium-ion or lithium-polymer batteries

Application Areas

Widely applicable in charging solutions for portable electronic devices such as smartphones, tablets, and digital cameras

Product Lifecycle

Currently active product status with no indications of nearing discontinuation; availability of future replacements or upgrades is maintained

Several Key Reasons to Choose This Product

High current capability for quick charging

Comprehensive safety features enhance device reliability

Flexible I2C interface allows for advanced battery management

Robust operating temperature range suitable for various environments

Compact size suitable for portable applications

Frequently Asked Questions(FAQ)

How does the BQ24193RGER handle thermal regulation during high-current charging of a single-cell Li-Ion battery, and what safeguards are implemented to prevent overheating in compact designs?
The BQ24193RGER integrates an internal thermal regulation mechanism that reduces the charge current when the device temperature exceeds safe operating limits, typically around 120°C. This feature helps maintain reliability in space-constrained applications where heat dissipation is limited. Additionally, it includes overtemperature protection that halts charging if sustained high temperatures threaten device integrity, ensuring long-term stability even under continuous 4.5A draw.
What is the significance of the 17V maximum supply voltage for the BQ24193RGER, and how should input voltage selection impact system-level efficiency in portable power solutions?
The 17V supply limit defines the upper boundary for safe operation, allowing compatibility with standard USB-C PD sources or AC adapters without risking damage. Operating near this threshold increases conduction losses and may reduce overall efficiency due to higher voltage differentials across internal pass elements. Designers must balance input headroom with switching regulator performance to avoid compromising thermal margins while maintaining >90% efficiency at typical charge currents.
In what scenarios would one choose the BQ24193RGER over alternative linear chargers for Li-Ion systems requiring programmable I2C control?
The BQ24193RGER is preferred when precise charge profile tuning via I2C is required—such as adjusting termination thresholds or enabling JEITA-compliant cooling—and when high peak currents (up to 4.5A) justify switching architecture despite slightly lower efficiency than modern buck-based solutions. Its integration of safety features like overvoltage lockout makes it suitable for industrial or automotive edge devices where robustness outweighs minor efficiency gains from discrete designs.
How does the Moisture Sensitivity Level (MSL) of 2 for the BQ24193RGER influence assembly process planning, particularly in mass production environments?
With an MSL rating of 2, the BQ24193RGER requires bake-out only after 168 hours of exposure above the floor life threshold, simplifying inventory management compared to MSL 3 or 4 components. Manufacturers can implement standard moisture barrier bags with desiccant, reducing storage costs and rework associated with popcorning during reflow. This aligns well with typical SMT workflows and supports Just-in-Time delivery models common in high-volume electronics manufacturing.
Can the BQ24193RGER safely charge lithium-polymer batteries at full 4.5A rate regardless of ambient temperature within its specified operating range?
No. While the device operates from -40°C to 85°C, charging at 4.5A should be avoided below approximately 0°C due to increased risk of lithium plating on the anode. The JEITA guidelines embedded in the IC automatically reduce current and voltage at low temperatures to protect cell health. At elevated ambient temperatures above 60°C, thermal foldback activates to prevent excessive die heating, limiting effective charge rates despite nominal capability.
How does the I2C interface on the BQ24193RGER enhance system diagnostics compared to fixed-function charger ICs without digital communication?
Through I2C access, designers can monitor real-time status registers including fault flags, battery voltage, and charge state—enabling predictive maintenance and compliance with functional safety standards like ISO 26262. For example, reading the FAULT_STAT register allows software to log brownout events or thermal shutdowns, which is critical in battery-powered medical devices where traceability and diagnostics are mandated by regulatory bodies.
What trade-offs exist between using the BQ24193RGER in cut tape versus Digi-Reel packaging for prototype development?
Cut tape offers immediate accessibility for small-batch prototyping but lacks standardized machine handling, increasing manual placement risk. Digi-Reel provides automated feeder compatibility, improving placement accuracy and throughput for larger builds. However, reel packaging may incur higher logistics costs per unit. Most engineers select cut tape for initial bring-up phases due to faster procurement lead times, then transition to reel for pilot production.
Does the BQ24193RGER support trickle charging or pre-conditioning for deeply discharged Li-Ion cells, and how does this affect battery longevity?
Yes. The IC implements a low-current pre-charge mode that applies ~10% of programmed fast-charge current (e.g., 450mA at 4.5A max) when the battery voltage falls below ~2.5V. This safely recovers cells that have been left discharged for extended periods, preventing irreversible damage. Without such pre-conditioning, repeated deep discharges accelerate capacity fade; thus, the BQ24193RGER contributes significantly to extended pack lifespan in consumer electronics.
How does the 4x4 VQFN package size of the BQ24193RGER compare to larger QFN alternatives in terms of PCB real estate and thermal performance?
At just 16 mm² footprint, the 24-VQFN offers 30–50% less area than comparable 8mm x 8mm QFNs used in earlier generations, enabling miniaturization in wearables and IoT nodes. Despite its small size, the exposed pad provides adequate thermal conduction when properly soldered to a ground plane. Thermal resistance (θJA) remains manageable up to 3A, though derating beyond 4A requires careful layout with thermal vias to avoid exceeding junction temperature limits.
What role does the constant-current/constant-voltage (CC/CV) algorithm play in the BQ24193RGER’s charging profile, and how is it optimized for single-cell Li-Ion chemistry?
The CC phase delivers stable current until the battery reaches 4.20V, after which the IC switches to CV mode, holding voltage precisely while current tapers naturally toward zero. This mimics optimal charging curves derived from electrochemical studies showing minimal degradation at 4.2V float. The transition is smooth and tightly regulated, minimizing stress on electrode materials and ensuring consistent cycle life across varying loads and temperatures.
Is it acceptable to operate the BQ24193RGER continuously at 4.5A output current indefinitely in a sealed enclosure?
Continuous operation at 4.5A generates significant power dissipation (P = (VIN − VBAT) × I), potentially exceeding 2W depending on input voltage. In sealed enclosures with poor airflow, this could raise case temperature above 85°C ambient, triggering thermal throttling or shutdown. Proper evaluation requires calculating total thermal impedance from junction-to-ambient path and ensuring margin below maximum TA. External heatsinking or forced convection may be necessary for reliable long-term deployment.
How does the RoHS3 compliance of the BQ24193RGER impact material selection in global supply chains, especially in regions with strict environmental regulations?
RoHS3 compliance ensures adherence to updated European directives banning substances like lead, mercury, cadmium, and certain phthalates, facilitating market access across EEA, China, and other jurisdictions. It also future-proofs designs against evolving regulations in North America and Japan. Suppliers leveraging RoHS3-certified processes reduce audit overhead and minimize risk of shipment rejection due to non-compliance, streamlining certification for OEMs targeting multiple geographies.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments BQ24193RGER

Product Attribute BQ24193HRGER BQ24196BRGER BQ24193HRGET BQ24195RGER
Part Number BQ24193HRGER BQ24196BRGER BQ24193HRGET BQ24195RGER
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Series - - - -
Fault Protection - - - -
Battery Pack Voltage - - - -
Interface - - - -
Battery Chemistry - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Programmable Features - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Current - Charging - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Supply (Max) - - - -
Charge Current - Max - - - -
Number of Cells - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

BQ24193RGER Datasheet PDF

Download BQ24193RGER pdf datasheets and Texas Instruments documentation for BQ24193RGER - Texas Instruments.

PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
Cylindrical Battery Holders.pdf
PCN Design/Specification
Material Set 30/Aug/2016.pdf Mult Dev Material Chg 29/Mar/2018.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA
BQ24193RGER Image

BQ24193RGER

Texas Instruments
32D-BQ24193RGER

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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