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HomeProductsIntegrated Circuits (ICs)PMIC - SupervisorsBD48K52G-TL
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BD48K52G-TL - Rohm Semiconductor

Manufacturer Part Number
BD48K52G-TL
Manufacturer
LAPIS Technology
Allelco Part Number
98D-BD48K52G-TL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,760 pcs available, New & Original
Parts Description
IC SUPERVISOR 1 CHANNEL 3SSOP
Package
3-SSOP
Data sheet
BD48K52G-TL.pdf

HTML Datasheet

SSOP3 Taping Spec.pdf

PCN Obsolescence/ EOL

DK OBS NOTICE.pdf

Other Related Documents

BD48K52G-TL Flammability.pdf

Environmental Information

BD48K52G-TL Whisker Info.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 5760
  • 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

BD48K52G-TL Tech Specifications
Rohm Semiconductor - BD48K52G-TL technical specifications, attributes, parameters and parts with similar specifications to Rohm Semiconductor - BD48K52G-TL

Product Attribute Attribute Value
Manufacturer LAPIS Technology
Voltage - Threshold 5.2V
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 BD48K52

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 typical application scenarios where the Rohm Semiconductor BD48K52G-TL is preferred over a simpler reset IC?
The Rohm Semiconductor BD48K52G-TL, with its precise 5.2V detection threshold and open-drain output, is well-suited for critical power-on reset sequencing in systems requiring a robust watchdog function or monitoring of specific voltage rails. It provides a reliable reset signal to microcontrollers or other logic devices when the input voltage drops below the BD48K52G-TL's 5.2V threshold, preventing erratic behavior during power transients.
How does the BD48K52G-TL's open-drain output differ in implementation from an open-collector output, and what are the design implications for the BD48K52G-TL?
Both open-drain and open-collector outputs on the BD48K52G-TL function similarly by allowing the output to be pulled low to ground but unable to actively drive high. This requires an external pull-up resistor to establish a high logic level. The distinction is largely historical; "open-drain" is more common for MOS outputs (like in the BD48K52G-TL), while "open-collector" is associated with bipolar outputs. For the BD48K52G-TL, this necessitates careful selection of the pull-up resistor value to balance current consumption and signal rise time.
For a system operating at 5V, what is the effective noise margin provided by the BD48K52G-TL's 5.2V detection threshold during normal operation?
With a nominal 5V system supply, the BD48K52G-TL's 5.2V threshold means the reset signal remains inactive as long as the supply voltage is at or above 5.2V. This provides a minimal margin of 0.2V above the intended system operating voltage before a reset is triggered. Designers must account for potential voltage overshoot or fluctuations that could approach this 5.2V level, impacting the perceived noise margin.
When comparing the BD48K52G-TL with the BD48L52G-TL, what is the primary performance difference that would influence component selection for a low-power application?
The primary difference often lies in the quiescent current and potentially the detection threshold accuracy or temperature drift. While both the BD48K52G-TL and BD48L52G-TL are in the same series, specific datasheets should be consulted. However, generally, "L" variants in Rohm's series are designed for lower power consumption. If minimizing standby current is critical in the BD48K52G-TL's application, the BD48L52G-TL might offer advantages, potentially at the cost of other parameters or a slightly different threshold.
What impact does the BD48K52G-TL's operating temperature range of -40°C to 105°C have on its long-term reliability in an industrial environment?
The -40°C to 105°C operating range for the BD48K52G-TL indicates it is designed to withstand a broad spectrum of ambient temperatures common in industrial settings. Operating within this specified range generally ensures the internal components of the BD48K52G-TL remain within their designed parameters, contributing to long-term reliability and consistent performance by minimizing thermal stress and potential degradation mechanisms.
How would a designer typically implement a pull-up resistor for the open-drain output of the BD48K52G-TL to interface with a 3.3V microcontroller input?
To interface the BD48K52G-TL's open-drain output with a 3.3V microcontroller input, a pull-up resistor would be connected between the BD48K52G-TL's output pin and the 3.3V supply rail. The value of this resistor, typically between 4.7kΩ and 10kΩ, would be chosen based on the microcontroller's input capacitance and the desired rise time for the reset signal from the BD48K52G-TL, while also considering the leakage current of the BD48K52G-TL output.
What are the considerations for selecting a substitute part if the Rohm Semiconductor BD48K52G-TL is unavailable, specifically concerning package and pinout compatibility?
When seeking a substitute for the BD48K52G-TL, immediate attention must be paid to the package. The BD48K52G-TL is in a 3-SSOP (TO-236-3, SC-59, SOT-23-3) package. A substitute must offer the same or a compatible pinout and physical dimensions to ensure it can be soldered onto the existing PCB footprint. Beyond the BD48K52G-TL's package, equivalent or superior electrical specifications (voltage threshold, output type, temperature range) are also critical.
Can the BD48K52G-TL be used in applications requiring a reset threshold significantly higher than 5.2V, or is it strictly limited to this value?
The BD48K52G-TL is specifically designed with a fixed voltage detection threshold of 5.2V. It cannot be adjusted or reconfigured to monitor significantly higher voltages. For applications requiring different reset thresholds, other members of the BD48Kxx series with different voltage options or entirely different supervisor ICs would need to be selected to meet the BD48K52G-TL's functional requirements.
What is the recommended method for handling the BD48K52G-TL during soldering, considering its MSL 3 rating?
The BD48K52G-TL has an MSL 3 rating, indicating it requires specific handling to prevent moisture absorption before soldering. This typically means that once the package is exposed to ambient conditions (relative humidity above 30% or temperature above 30°C), it has a floor life of 168 hours. Before reflow soldering, it may need to be baked according to industry standards (e.g., J-STD-020) to drive out absorbed moisture and prevent potential issues like delamination or popcorning during the soldering process.
Does the BD48K52G-TL offer any features for debouncing or filtering noisy voltage inputs, or is it a direct threshold detector?
The BD48K52G-TL is a direct voltage detector. It does not inherently include internal debouncing or filtering circuitry to ignore brief voltage glitches. The 5.2V threshold of the BD48K52G-TL is monitored continuously, and any voltage crossing this threshold will trigger the active-low reset output. If input voltage noise is a concern for the BD48K52G-TL's application, external filtering components (like a small capacitor across the input) might be necessary.
How does the "Active Low" reset characteristic of the BD48K52G-TL influence the logic design of the connected microcontroller or system?
The "Active Low" reset output of the BD48K52G-TL means that the reset signal is asserted (pulled to a low state) when the voltage drops below 5.2V, indicating a fault condition or power-up/down sequence. Conversely, when the voltage is above 5.2V, the BD48K52G-TL's output is in its high-impedance state (or pulled high by an external resistor), signifying a stable condition. System designers must configure their microcontroller's reset input or associated logic to interpret this low signal as a reset trigger event.
What are the practical implications of the BD48K52G-TL's 3-SSOP package (TO-236-3, SC-59) for PCB layout and thermal management?
The 3-SSOP package, also known as TO-236-3 or SC-59, is a small surface-mount form factor. For the BD48K52G-TL, this means it occupies minimal PCB space, which is advantageous for dense designs. However, due to its small size, thermal management should be considered. Ensuring adequate copper pour connected to the device's ground pin can help dissipate heat generated during operation, especially if the BD48K52G-TL is expected to switch frequently or operate near its maximum ambient temperature of 105°C.

Parts with Similar Specifications

The three parts on the right have similar specifications to Rohm Semiconductor BD48K52G-TL

Product Attribute BD48K57G-TL BD48K56G-TL BD48K51G-TL BD48K42G-TL
Part Number BD48K57G-TL BD48K56G-TL BD48K51G-TL BD48K42G-TL
Manufacturer Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor Rohm Semiconductor
Output - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Threshold - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Reset - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Number of Voltages Monitored - - - -
Series - - - -
Reset Timeout - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C

BD48K52G-TL Datasheet PDF

Download BD48K52G-TL pdf datasheets and Rohm Semiconductor documentation for BD48K52G-TL - Rohm Semiconductor.

HTML Datasheet
SSOP3 Taping Spec.pdf
PCN Obsolescence/ EOL
DK OBS NOTICE.pdf
Other Related Documents
BD48K52G-TL Flammability.pdf
Environmental Information
BD48K52G-TL Whisker Info.pdf

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Customer Reviews

Evaluation: 10 Articles

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    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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

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    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.

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    Jun 29, 2026

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

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    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.

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

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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.

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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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BD48K52G-TL Image

BD48K52G-TL

Rohm Semiconductor
98D-BD48K52G-TL

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

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