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HomeProductsIntegrated Circuits (ICs)PMIC - Battery ChargersBQ24200DGNR
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BQ24200DGNR - Texas Instruments

Manufacturer Part Number
BQ24200DGNR
Manufacturer
Texas Instruments
Allelco Part Number
32D-BQ24200DGNR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,715 pcs available, New & Original
Parts Description
IC BATT CHG LI-ION 1CELL 8MSOP
Package
8-HVSSOP
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 9715
  • Unit Price: $3.03
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $3.03 $3.03
200+ $1.173 $234.60
500+ $1.131 $565.50
1000+ $1.112 $1,112.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

BQ24200DGNR Tech Specifications
Texas Instruments - BQ24200DGNR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - BQ24200DGNR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply (Max) 13.5V
Supplier Device Package 8-HVSSOP
Series -
Programmable Features Current, Timer
Package / Case 8-TSSOP, 8-MSOP (0.118', 3.00mm Width) Exposed Pad
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C (TJ)
Number of Cells 1
Product Attribute Attribute Value
Mounting Type Surface Mount
Interface -
Fault Protection Over Temperature, Short Circuit
Current - Charging Constant
Charge Current - Max 500mA
Battery Pack Voltage 4.2V
Battery Chemistry Lithium Ion/Polymer
Base Product Number BQ24200

Environmental & Export Classifications

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

Parts Introduction

BQ24200DGNR Image
BQ24200DGNR (1)

Manufacturer Part Number

BQ24200DGNR

Manufacturer

Texas Instruments

Introduction

The BQ24200DGNR is a sophisticated lithium-ion/polymer battery charger designed for single-cell applications, utilizing state-of-the-art technology for efficient charging solutions.

Product Features and Performance

Specifically tailored for Lithium Ion/Polymer batteries

Supports a single cell configuration

Provides a constant charging current

Allows for programmable current and timer adjustments

Features fault protection against over temperature and short circuit scenarios

Capable of a maximum charging current of 500mA

Supports a battery pack voltage of 4.2V

Operable with a maximum supply voltage of 13.5V

Designed for surface mount applications with a 8-TSSOP, 8-MSOP package that includes an exposed pad for improved heat dissipation

Efficient operation across a broad temperature range (-40°C to 125°C)

Product Advantages

Precision charging and safety features enhance battery life and prevent damage

Programmable parameters offer flexibility in charging algorithms

Compact, efficient, and designed for easy integration into various electronics systems

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Charging Current: Constant, up to 500mA

Battery Pack Voltage: 4.2V

Voltage Supply (Max): 13.5V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Over-temperature protection

Short circuit protection ensures device and battery safety under fault conditions

Compatibility

Designed for applications requiring single lithium ion/polymer cell charging

Application Areas

Portable electronics

Wearable technology

Small scale energy storage systems

Consumer electronics requiring efficient power management

Product Lifecycle

Currently active with no immediate plans for discontinuation

Supported by Texas Instruments with possible future upgrades

Several Key Reasons to Choose This Product

High reliability and safety features tailored for sensitive lithium chemistry

Programmable charge parameters for optimized charging cycles

Robust temperature range ensures performance in varied environments

Compact, surface-mount design simplifies integration into design projects

Backed by the extensive support and innovative edge of Texas Instruments

Frequently Asked Questions(FAQ)

What are the key design considerations when implementing the BQ24200DGNR for a space-constrained portable device, and how does its package form factor influence thermal and electrical performance?
The BQ24200DGNR is housed in an 8-HVSSOP package with an exposed pad, which supports efficient heat dissipation from the power path to the PCB ground plane. This thermal advantage enables sustained 500mA charging without significant derating, even in compact handheld designs. However, the small footprint (3.00mm width) requires careful layout to minimize parasitic inductance and resistance in the high-current charge path. Engineers must ensure adequate copper pour and via stitching around the IC to maintain junction temperature below 125°C under continuous operation.
How does the BQ24200DGNR handle input voltage transients, and what protection mechanisms ensure system stability when connected to unregulated USB ports or adapters?
The device regulates up to 13.5V supply input, providing robust tolerance to typical adapter variations and brief overvoltage events. It integrates input overvoltage protection that disables charging if the input exceeds safe thresholds, preventing damage to both the charger and connected Li-Ion cells. This behavior is critical when sourcing power from non-compliant USB sources or automotive environments with voltage spikes. The internal control loop maintains stable regulation during load transients by dynamically adjusting the pass element duty cycle.
Can the BQ24200DGNR be used safely with third-party Li-Ion batteries that do not include a thermistor, and what compromises arise in safety margin?
Yes, the BQ24200DGNR can charge standard Li-Ion cells without a thermistor by relying solely on timer-based termination. However, this omits real-time temperature monitoring, reducing protection against thermal runaway during fast charging or elevated ambient temperatures. While the IC includes overtemperature shutdown of the charge pump and pass FET, absence of NTC feedback limits response precision. Designs using non-thermistor packs must ensure enclosure ventilation and avoid prolonged charging in hot environments to compensate for reduced safety margins.
How does the programmable charge current feature of the BQ24200DGNR affect system efficiency at partial loads, and what resistor values are recommended for 300mA versus 500mA configurations?
By setting ISET = 300mA, the BQ24200DGNR reduces conduction losses and quiescent current draw, improving light-load efficiency in battery-powered systems. For a 300mA setting, a 6.8kΩ resistor is typically used between ISET and GND; for 500mA, 4.7kΩ is standard. Lower currents also extend charge time proportionally, which may impact user experience but benefits applications prioritizing energy conservation. Efficiency gains are most notable during trickle or CV phases where power dissipation scales quadratically with current.
What role does the charge termination timer play in the BQ24200DGNR, and how should it be configured to balance safety against premature cut-off in slow-charging scenarios?
The BQ24200DGNR uses a programmable timer to prevent overcharging by terminating charge after approximately 4 hours under normal conditions. This default duration assumes standard 0.5C charging; however, extending the timer accommodates low-current charging from solar panels or energy-harvesting sources. Engineers configuring external resistors must account for the exponential nature of Li-Ion cell absorption—prolonged charging beyond 90% SoC yields diminishing returns and risks lithium plating. A 6-hour timeout provides flexibility while maintaining compliance with safety standards.
How does the BQ24200DGNR compare to similar chargers like the BQ24210 or BQ2419x series in terms of integration level and application suitability for single-cell LiPo devices?
Unlike the BQ24200DGNR, the BQ24210 offers higher charge current (up to 1A) and integrated boost functionality for direct battery-driven loads, making it better suited for power banks. The BQ2419x series supports multi-cell configurations and advanced features like input current optimization. The BQ24200DGNR remains optimal for low-power, space-constrained applications where simplicity and cost outweigh peak current demands. Its lack of system power-path integration simplifies board design but limits use cases requiring simultaneous battery charging and device operation.
What precautions should be taken when routing high-current traces near the BQ24200DGNR’s IN, BAT, and OUT pins, and how does poor layout affect reliability?
High-current paths must use wide traces (≥20 mil) and minimize loop area to reduce EMI and voltage drop. Poor routing increases effective RDS(on), raising power dissipation and junction temperature. Inadequate grounding of the exposed pad leads to thermal throttling or false overtemperature faults. Additionally, placing decoupling capacitors too far from VIN and VBAT introduces noise that can destabilize the switching regulator. These factors collectively degrade efficiency and increase failure risk over time.
Is the BQ24200DGNR suitable for automotive-grade applications requiring AEC-Q100 qualification, and what environmental limitations apply?
No, the BQ24200DGNR is not qualified to AEC-Q100 standards and is intended for industrial and consumer electronics only. While it operates over -40°C to 125°C (TJ), automotive environments demand additional stress testing for vibration, humidity, and thermal cycling. Using this part in automotive systems voids warranty and risks functional failure under field conditions. For automotive designs, TI recommends the BQ25601 or other AEC-compliant PMICs with enhanced diagnostic features.
How does the short-circuit protection mechanism of the BQ24200DGNR respond during output fault events, and what recovery behavior ensures system resilience?
Upon detecting a short circuit at the battery terminals, the BQ24200DGNR immediately reduces charge current to zero and enters hiccup mode with periodic retry attempts. This prevents catastrophic failure during accidental load shorts while allowing automatic recovery once the fault is cleared. The hysteresis in current limiting avoids chatter and reduces stress on the pass FET. Recovery timing depends on internal oscillator cycles, typically resuming normal operation within seconds after fault removal.
What impact does enabling the timer-based charge termination have on battery lifespan compared to coulomb-counting methods used in more advanced chargers?
The BQ24200DGNR relies on voltage and timer-based termination rather than coulomb counting, which slightly accelerates capacity fade under deep discharge cycles or extended float periods. However, for most consumer Li-Ion applications, the trade-off in complexity and cost is acceptable given the minimal degradation over the product lifetime. Properly managing state-of-charge through software algorithms can mitigate this limitation. Timer-only termination remains compliant with common safety certifications and sufficient for non-critical systems.
How does the Moisture Sensitivity Level (MSL) of 1 for the BQ24200DGNR influence handling and storage practices during manufacturing?
With MSL rating of 1, the BQ24200DGNR has unlimited floor life before soldering and does not require baking prior to reflow. This simplifies production logistics and reduces lead times in high-volume assembly lines. However, operators must still follow standard ESD protocols due to the CMOS-sensitive inputs. The part’s packaging in tape and reel format supports automated pick-and-place systems without special handling beyond conventional SMT workflows.
Can the BQ24200DGNR support charging from multiple input sources such as USB and solar simultaneously, and what control logic prevents reverse current flow?
The BQ24200DGNR lacks native multi-input arbitration and cannot automatically switch between USB and solar sources. External diodes or ideal diode controllers are required to isolate inputs and prevent backfeeding. Without such circuitry, simultaneous connection may cause contention and undefined states. Implementing source priority via external logic adds complexity but enables hybrid power systems. The IC itself only regulates one active input at a time based on availability.
What is the significance of the REACH status "Unaffected" for the BQ24200DGNR, and how should engineers verify compliance in their supply chain?
"REACH Unaffected" indicates that the BQ24200DGNR contains no substances of very high concern (SVHC) above 0.1% weight-by-weight, satisfying EU regulatory requirements. Engineers should still request full material declarations from distributors and validate through TI’s online tools or component traceability portals. Even with this status, ongoing monitoring is necessary as supplier formulations may change. Documentation must accompany procurement records for audit purposes.
How does the operating temperature range of -40°C to 125°C (TJ) affect derating curves, and what maximum charge current should be assumed at elevated ambient temperatures?
At full 125°C junction temperature, the BQ24200DGNR may experience slight reduction in internal gate drive strength, leading to marginally higher RDS(on) and reduced charge current capability. Conservative designs assume 500mA maximum regardless of ambient temperature, but real-world performance depends on airflow, PCB thermal conductivity, and duty cycle. In sealed enclosures without cooling, sustained charging above 85°C ambient risks exceeding TJ even with moderate current levels. Thermal simulations are advisable for high-reliability deployments.
What interface options exist to monitor charge status and faults using the BQ24200DGNR, and how can designers access these signals without adding extra microcontrollers?
The BQ24200DGNR provides open-drain status outputs including CHG (charge active), DONE (termination complete), and FAULT indicators. These can drive LEDs or interrupt GPIOs directly, enabling simple user feedback or system-level alerts. No digital communication protocol is supported, so status reads must be event-driven. This architecture minimizes pin count and BOM cost, aligning with ultra-low-power embedded systems where continuous polling is avoided.
How does the RoHS3 compliance of the BQ24200DGNR align with global environmental regulations, and what documentation should accompany procurement?
RoHS3 compliance confirms adherence to EU Directive 2011/65/EU and amendments, prohibiting specified hazardous substances including lead, mercury, cadmium, and certain phthalates. Procurement packages should include certificates of conformance, full material breakdowns, and exemption lists if applicable. While the part meets current standards, engineers must verify regional variations, especially in China (China RoHS) and California (SB 258), where additional restrictions apply.
What are the implications of selecting the BQ24200DGNR over discrete solutions for Li-Ion charging, particularly regarding bill of materials (BOM) reduction and design validation effort?
Integrating the BQ24200DGNR eliminates the need for discrete pass transistors, current sense resistors, and linear regulators typically found in discrete designs. This reduces component count by 6–8 parts, shrinking PCB real estate and lowering assembly costs. However, validation requires reference design compliance checks, especially for EMC and thermal profiles. While faster time-to-market is achievable, long-term reliability must be assessed through accelerated life testing to match or exceed discrete alternatives.
How does the BQ24200DGNR handle brownout conditions on the input supply, and what safeguards protect downstream components during sudden voltage drops?
During input brownouts, the BQ24200DGNR monitors VIN and suspends charging if voltage falls below dropout threshold (~4.3V typical). This prevents incomplete charge cycles and protects the battery management system from undervoltage stress. Simultaneously, the internal LDO and control circuits remain operational down to 2.5V, ensuring minimal disruption to system monitoring functions. The transition is seamless and avoids glitches in auxiliary circuits powered from the same rail.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments BQ24200DGNR

Product Attribute BQ24201DGNRG4 BQ24202DGNRG4 BQ24200DGN BQ24200DGNG4
Part Number BQ24201DGNRG4 BQ24202DGNRG4 BQ24200DGN BQ24200DGNG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Luminary Micro / Texas Instruments
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Programmable Features - - - -
Voltage - Supply (Max) - - - -
Battery Chemistry - - - -
Battery Pack Voltage - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Base Product Number - DAC34H84 MAX500 ADS62P42
Interface - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Charge Current - Max - - - -
Current - Charging - - - -
Series - - - -
Number of Cells - - - -
Fault Protection - - - -

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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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0.00kg-1.00kg USD$30.00 - USD$60.00
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2.00kg-3.00kg USD$50.00 - USD$100.00
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BQ24200DGNR Image

BQ24200DGNR

Texas Instruments
32D-BQ24200DGNR

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

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