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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsBD48K54G-TL
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BD48K54G-TL - Rohm Semiconductor

Manufacturer Part Number
BD48K54G-TL
Manufacturer
LAPIS Technology
Allelco Part Number
98D-BD48K54G-TL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
2,662 pcs available, New & Original
Parts Description
IC SUPERVISOR 1 CHANNEL 3SSOP
Package
3-SSOP
Data sheet
BD48K54G-TL.pdf

HTML Datasheet

SSOP3 Taping Spec.pdf

PCN Obsolescence/ EOL

DK OBS NOTICE.pdf

Other Related Documents

BD48K54G-TL Flammability.pdf

Environmental Information

BD48K54G-TL Whisker Info.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 2662
  • Unit Price: $0.108
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.108 $0.11
200+ $0.042 $8.40
500+ $0.04 $20.00
1000+ $0.04 $40.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

BD48K54G-TL Tech Specifications
Rohm Semiconductor - BD48K54G-TL technical specifications, attributes, parameters and parts with similar specifications to Rohm Semiconductor - BD48K54G-TL

Product Attribute Attribute Value
Manufacturer LAPIS Technology
Voltage - Threshold 5.4V
Type Voltage Detector
Supplier Device Package 3-SSOP
Series BD48Kxx
Reset Timeout -
Reset Active Low
Product Attribute Attribute Value
Package / Case TO-236-3, SC-59, SOT-23-3
Package Tape & Reel (TR)
Output Open Drain or Open Collector
Operating Temperature -40°C ~ 105°C (TA)
Number of Voltages Monitored 1
Mounting Type Surface Mount
Base Product Number BD48K54

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

What are the key differences between the BD48K54G-TL and BD48L54G-TL voltage supervisors in terms of reset timeout behavior and typical application suitability?
The BD48K54G-TL is a fixed-threshold voltage supervisor with an open-drain output and no specified reset timeout, making it suitable for systems where precise power-on reset timing is not critical and immediate assertion upon under-voltage detection is acceptable. In contrast, the BD48L54G-TL typically offers a fixed delay (e.g., 200ms) before asserting reset, which helps suppress false resets caused by transient brownout conditions. This makes the L-series more appropriate for noise-sensitive applications such as microcontrollers with weak power rails or systems prone to momentary supply dips.
How does the 5.4V threshold of the BD48K54G-TL compare to other common supervisory ICs like the MAX809T or TPS3823-33 in industrial-grade power sequencing designs?
The BD48K54G-TL’s 5.4V threshold is higher than the MAX809T’s typical 4.63V or the TPS3823-33’s 3.3V reference, positioning it for applications requiring tighter control above 5V rail margins—such as legacy industrial controllers or battery-powered devices with high-voltage logic families. While the MAX809T offers better precision (±1.5%) and the TPS3823 supports lower voltages, the BD48K54G-TL provides a cost-effective solution for 5V systems where moderate tolerance (±5%) suffices and space constraints favor compact SOT-23 packaging.
Can the BD48K54G-TL reliably operate in automotive environments given its -40°C to +105°C range and what design precautions should be taken?
Yes, the BD48K54G-TL meets extended industrial temperature requirements and can function in automotive edge cases like cold starts or engine bay proximity, provided PCB layout adheres to standard practices for noise immunity. However, due to its open-drain output without internal pull-up, external resistor selection becomes critical near temperature extremes—typically 10kΩ to 100kΩ depending on system impedance—to ensure stable logic levels across the full operating range while avoiding excessive current draw during fault conditions.
What impact does the absence of a built-in pull-up resistor have on system-level design when using the BD48K54G-TL’s open-drain output?
Since the BD48K54G-TL lacks an internal pull-up, designers must add an external resistor between the output pin and the target supply (e.g., 3.3V or 5V logic rail). For most microcontrollers, a 47kΩ to 100kΩ value balances response speed and power consumption; however, in long-trace or high-capacitance environments, smaller resistors (e.g., 10kΩ) may be needed to prevent slow rise times that could trigger unintended interrupts. This adds one passive component but enables flexible voltage compatibility across mixed-supply systems.
How does the Moisture Sensitivity Level (MSL) 3 classification of the BD48K54G-TL affect manufacturing handling procedures compared to MSL 1 parts?
As an MSL 3 device with a 168-hour floor life at 30°C/60% RH, the BD48K54G-TL requires bake-out if stored beyond this window before reflow soldering—unlike MSL 1 components that can sit indefinitely under ambient conditions. Manufacturers must track lot receipt dates and implement humidity-controlled storage to avoid popcorning during thermal cycling, especially in high-volume production where lead-free reflow profiles exceed 240°C peak.
In what scenarios would replacing the BD48K54G-TL with a dedicated reset generator like the MCP101 be preferable despite increased component count?
A dedicated reset generator such as the MCP101 might be justified when additional features are required—such as manual reset input, watchdog functionality, or multiple voltage monitoring points—even though it increases BOM count by two components. However, for single-voltage supervision in cost-sensitive or space-constrained designs (e.g., IoT sensor nodes), the integrated simplicity of the BD48K54G-TL outweighs marginal flexibility gains, particularly since both share similar thresholds and package footprints.
How does the 3-SSOP package size compare functionally and thermally to larger alternatives like TSSOP-8 in high-density PCBs?
Although the 3-SSOP package used for the BD48K54G-TL occupies less board area than a TSSOP-8 variant, its thermal performance remains limited due to minimal exposed pad connectivity. In continuous operation near 105°C, junction-to-ambient thermal resistance may approach 200°C/W, necessitating careful placement away from heat sources. For applications requiring sustained high-current drive or thermal management, a larger package would reduce stress but isn’t necessary here given the BD48K54G-TL’s low quiescent current (<1µA typ).
What considerations arise when cascading multiple BD48K54G-TL units for multi-rail monitoring in complex embedded systems?
When monitoring several rails with multiple BD48K54G-TL devices, attention must be paid to output logic compatibility—ensuring all open-drain outputs can be OR’ed via diodes or pulled together safely without exceeding absolute maximum ratings. Additionally, slight threshold variations between batches (within ±5%) may cause non-deterministic activation sequences; thus, margining each threshold by 2–3% above nominal ensures robust coordination across rails during power-up or fault events.
How does the RoHS3 compliance status of the BD48K54G-TL influence material selection in global supply chains versus earlier RoHS directives?
RoHS3 compliance confirms adherence to stricter cadmium limits (<100ppm) and inclusion of SCIP database reporting for plastic materials containing SVHCs over 0.1%. This reduces regulatory risk in EU markets and supports sustainability audits, though it doesn’t alter soldering or assembly processes. For engineers sourcing globally, this certification simplifies export documentation compared to non-compliant alternatives and aligns with corporate ESG goals without impacting electrical performance of the BD48K54G-TL itself.
What role does the base product number BD48K54 play in identifying compatible substitutes or future-proofing designs using the BD48K54G-TL?
The base number BD48K54 indicates a family of voltage supervisors sharing core architecture and pinout, enabling substitution within the same footprint and threshold class. Substitutes like the BD48L54G-TL differ primarily in delay characteristics rather than electrical interface, so migration paths exist for designs needing added hysteresis or reset latency. Maintaining consistency in base numbering streamlines procurement and reduces qualification effort when scaling production across variants.

Parts with Similar Specifications

The three parts on the right have similar specifications to Rohm Semiconductor BD48K54G-TL

Product Attribute BD48K50G-TL BD48K55G-TL BD48K43G-TL BD48K59G-TL
Part Number BD48K50G-TL BD48K55G-TL BD48K43G-TL BD48K59G-TL
Manufacturer Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor
Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of Voltages Monitored - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Output - - - -
Reset Timeout - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Voltage - Threshold - - - -
Reset - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

BD48K54G-TL Datasheet PDF

Download BD48K54G-TL pdf datasheets and Rohm Semiconductor documentation for BD48K54G-TL - Rohm Semiconductor.

HTML Datasheet
SSOP3 Taping Spec.pdf
PCN Obsolescence/ EOL
DK OBS NOTICE.pdf
Other Related Documents
BD48K54G-TL Flammability.pdf
Environmental Information
BD48K54G-TL Whisker Info.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • 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.

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Delivery Time

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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.
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BD48K54G-TL Image

BD48K54G-TL

Rohm Semiconductor
98D-BD48K54G-TL

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

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