9e102 Datasheet !!exclusive!!
The part number 9E102 typically refers to the BD9E102FJ-GE2 Go to product viewer dialog for this item.
synchronous buck converter manufactured by ROHM Semiconductor. It is a popular integrated circuit (IC) used in power delivery systems for laptops and industrial electronics. 🛠️ Key Technical Specifications The
is a compact, high-efficiency step-down converter designed to handle a wide range of input voltages. Input Voltage: 7.0V to 26V (typical) Output Current: Up to 1.0A Package Type: SOP-8 (Standard 8-pin Surface Mount) Switching Frequency: Ranges from 300 kHz to 1.2 MHz
Safety Features: Integrated overcurrent and thermal protection 📝 Helpful Blog Post Summary: Repairing with 9E102
Repair experts and electronics hobbyists frequently encounter this chip in laptop motherboards from brands like Dell, HP, Lenovo, and ASUS. 1. Identification
The chip is often marked simply as 9E102 on the top of the SOP-8 package. If a laptop is completely unresponsive after a power surge or liquid spill, this IC—often found near the CPU VRM or main DC-in circuit—is a common failure point. 2. Cross-Compatibility If you cannot find the specific "9E102" branding, the BD9E102FJ-GE2
and MP1432DN-LF-Z are frequently listed as compatible replacements that match the pinout and electrical characteristics. 3. Pro Tips for Replacement
Thermal Management: Use a hot air station at roughly 260°C to 350°C to desolder the old chip.
Cleaning: Ensure pads are cleaned with isopropyl alcohol and fresh flux is applied to avoid "cold" solder joints.
Orientation: Look for the small dot or notch on the package to identify Pin 1 (usually bottom-left) to avoid reversing the polarity. 📂 Datasheet Resources Official ROHM Datasheet: Search for
on ALLDATASHEET to find the full electrical curves and pin configurations. Pinout Diagram: Most technical guides show Pin 8 as VCCcap V sub cap C cap C end-sub (Power Input) and Pin 4 as GND (Ground). 9E102 Datasheet, PDF - ALLDATASHEET.COM 9E102 Datasheet, PDF - Alldatasheet. ALLDATASHEET.COM 9E102 Datasheet, PDF - ALLDATASHEET.COM
is an integrated circuit (IC) part number typically associated with the
, a high-efficiency step-down (buck) switching regulator manufactured by ROHM Semiconductor Key Features & Specifications
The BD9E102FJ is designed to convert high-voltage inputs into a stable, lower-voltage output for industrial and communications equipment. ЧП Ворон Input Voltage Range: 7.0V to 26V. Output Current: Maximum 1.0A continuous output. Switching Frequency: Efficiency: (measured at 0.7A output). Package Type: SOP-J8 (Small Outline Package).
Integrated high-side and low-side N-channel MOSFETs (synchronous rectification). Protection Features: Under-Voltage Lockout (detection at 6.4V). Over-Current Protection: Typically triggers at 2.2A. Soft Start:
Internal soft start time of 2.5ms to prevent inrush current. Application & Usage This component is widely used in: Power Supplies: Consumer electronics and custom power modules. Industrial Equipment: Motor control systems and communication hardware. Battery Devices: Its low quiescent current helps extend battery life. Datasheet Resources
For full technical details, pinout diagrams, and application circuits, you can access the official documentation here: BD9E102FJ Product Datasheet (PDF) BD9E102FJ Evaluation Board User Guide replacement part for a circuit repair? 9E102 SOP-8 | In Stock - utsource
Given the ambiguity, let's explore possible avenues for finding the information you're seeking:
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Component Identification:
- Manufacturer and Component Type: Try to identify the manufacturer and the type of component (e.g., IC, transistor, resistor). This information can usually be found on the component itself or in the datasheet if you have it.
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Datasheet Search Engines:
- Websites like Digikey (https://www.digikey.com/), Mouser (https://www.mouser.com/), or Allied Electronics (https://www.alliedelec.com/) allow you to search for electronic components. You can try searching with the part number "9e102" along with keywords like "datasheet" to see if any relevant results come up.
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Manufacturer Websites:
- If you can identify the manufacturer, their official websites often have a search function for datasheets. Major electronics manufacturers like Texas Instruments, STMicroelectronics, or ON Semiconductor have extensive datasheet libraries.
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Google Search:
- A simple Google search with the part number and "datasheet" as keywords might yield results. For example, searching for "9e102 datasheet".
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Forum and Community Websites:
- Websites like Forum.FourWires or Reddit’s r/LearnElectronics can be helpful if you have questions about identifying components or finding datasheets.
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Possible Meanings of "9e102":
- Resistor: If "9e102" refers to a resistor, the notation could mean 9.1 kΩ (9E10^2 = 9.1 * 10^2). However, this is speculative without more context.
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Possible Applications:
- If "9e102" relates to a specific application or device, understanding the context or where you encountered this part number might help in narrowing down the search.
If you have any additional details or if there's a specific aspect of the datasheet you're trying to understand (e.g., pin configuration, electrical characteristics), providing more context could help in giving a more targeted response.
This is an electronic component manufactured by Citizen Finedevice Co Ltd. It is often used in communications, industrial equipment, and personal electronics. Package Type: SOP-8 (8-pin surface mount). Key Technical Specs:
Pins: 8 pins total, with Pin 1 typically marked by a dot or notch.
Power: Vcc is connected to Pin 8; GND is connected to Pin 4.
Signal: Input signals typically use pins 1–3, while outputs use pins 5–7.
Usage Notes: It is recommended to use decoupling capacitors (0.1µF and 10µF) near the power pins to filter noise. Some distributors list it as a potentially obsolete or hard-to-find part. 2. 9E102 Crane Control Diagram
In the context of heavy machinery, 9E102 refers to a "9.Auxiliaries" datasheet used for crane control systems.
Function: This 5-page document outlines control wire markings and power supply configurations for crane auxiliaries.
Voltages: It specifies circuits running on 380V and 220V (50Hz) power sources.
Manufacturers Involved: The diagram covers auxiliary components from Delattre Levivier and SB Clecim.
Availability: You can find this specific technical layout on Scribd. 9E102 Datasheet Overview - Electrical Engineering - Scribd
The ROHM BD9E102FJ-GE2 is a 1.0A synchronous buck regulator featuring high-efficiency SLLM™ technology, integrated power MOSFETs, and wide 7.0V to 26V input voltage support. Suited for industrial and consumer applications, this device enables stable operation in a small SOP-J8 package. For complete technical specifications and to read the official data sheet, visit ROHM Semiconductor BD9E102FJ-GE2 - ROHM Semiconductor Part Detail | TTI, Inc.
Package / Case | Product Attribute: SOP-J-8 |. Minimum Operating Temperature. Maximum Operating Temperature BD9E102FJ-GE2 Rohm Semiconductor - DigiKey
is a synchronous buck switching regulator featuring low on-resistance power MOSFETs. It is designed for equipment requiring low standby power and high-speed transient response. 9e102 datasheet
Technology: Current mode control for easy phase compensation.
Efficiency: High efficiency even at light loads due to ROHM's Simple Light Load Mode (SLLM™). Package: Standard SOP-J8 (4.90 mm x 6.00 mm x 1.65 mm). 2. Key Specifications
The following parameters define the 9E102's operational range:
is a technical specification identifier commonly associated with high-precision integrated circuits, specifically linked to the series of step-down converters. Technical Overview
The 9E102 datasheet pertains to a high-efficiency, step-down (buck) regulator. It is often identified as a marking code or a specific variant for components like the MP1432DN-LF-Z , which is a 2A, 28V, 380kHz step-down converter. Package Type: SOP-8 (Standard 8-pin surface mount). Key Function:
Provides stable signal performance and voltage regulation in complex circuits. Applications:
Industrial control systems, mill equipment diagrams, and general power management. Related Documentation
Full technical summaries and control diagrams referencing the 9E102 can be found on document-sharing platforms: Datasheet Overview: A 5-page overview is available via
, often grouped with industrial manuals like the ACS600 MultiDrive or Endress Prowirl specifications. Control Context: It is frequently cited in the context of CRMI Mill Equipment control diagrams and vibration standard documentation. for the full PDF or more specific pinout details for the 9E102?
The "9E102" technical datasheet refers primarily to a high-performance synchronous buck switching regulator, most commonly identified as the
manufactured by ROHM Semiconductor. This integrated circuit (IC) is a critical component in power management systems, designed to efficiently convert higher input voltages into stable, lower output voltages for sensitive electronic devices. Functional Overview and Architecture
is built on a silicon monolithic integrated circuit structure. Its primary function is as a DC/DC converter, utilizing current mode control to provide high-speed transient response and easy phase compensation.
Synchronous Rectification: It features built-in power MOSFETs with low on-resistance (typically 250 mΩ for the high-side), which minimizes energy loss and eliminates the need for an external diode.
SLLM™ Technology: A standout feature of the ROHM BD9E102FJ is its Simple Light Load Mode (SLLM™), which maintains high efficiency (approximately 80% at 10mA) even during light-load or standby conditions. Key Technical Specifications
According to technical listings from retailers like UTSource and Mouser, the operates within the following parameters:
Input Voltage Range: Supports a broad range from 7.0V to 26V.
Output Capabilities: Delivers a maximum output current of 1.0A, with an adjustable output voltage range starting from 1.0V.
Switching Frequency: Operates at a typical frequency of 570 kHz.
Protection Mechanisms: Includes integrated safety features such as thermal shutdown, over-current protection, short circuit protection, and under-voltage lockout. The part number 9E102 typically refers to the
Package Type: Housed in a standard SOP-J8 or SOP-8 surface mount package. Applications and Industry Use
The 9E102 is a staple in the repair and manufacturing of modern consumer electronics. It is frequently used in laptop motherboard power delivery systems for brands like Dell, HP, Lenovo, and ASUS. In these environments, it often serves as a controller for CPU VRM (Voltage Regulator Module) or main DC-in circuits. Other applications include:
Home Appliances: Powering control boards in household devices.
Telecommunications: Serving as a secondary power supply in networking equipment.
Industrial Electronics: Providing stable power for communications and industrial control systems.
In summary, the 9E102 datasheet describes a versatile, efficient power management IC. Its ability to handle high input voltages while maintaining efficiency at low loads makes it an essential component for reducing standby power consumption in modern electronics. If you'd like, I can: Compare it to equivalent ICs like the MP1432 Provide a detailed pinout description for repair purposes
Help you find current stock and pricing from authorized distributors 9E102 SOP-8 | In Stock - utsource
Based on technical listings, here are the most likely components associated with this identifier:
ROHM Semiconductor BD9E102FJ: This is a synchronous step-down switching regulator (DC/DC converter) with an integrated power MOSFET. Input Range: Output Current: Up to Package: SOP-J8
Key Feature: High efficiency and a simple external circuit design. You can view technical details on sites like Alldatasheet.
Meritek AH09E102M: A Ceramic "Y" Capacitor used for EMI suppression and safety filtering in power supply circuits.
MP1432DN-LF-Z (Compatible): Some distributors list the MP1432 step-down converter as a direct equivalent or related part for 9E102 specifications in SOP-8 packaging.
Industrial Control Marking: In heavy machinery (such as cranes), "9E102" is sometimes found in technical documentation as a specific wire marking or auxiliary circuit designation. Where to Find the Full Datasheet
To ensure you have the correct specifications for your specific part, you can search these reliable databases:
ALLDATASHEET: Good for cross-referencing Meritek and ROHM parts.
Worldway Electronics: Lists 9E102 under Citizen Finedevice as a general IC category.
OMO Electronic: Provides stock status and basic attribute values for ROHM-manufactured 9E102 units. 9E102 Datasheet, PDF - ALLDATASHEET.COM
I searched for the "9e102" datasheet, but this specific alphanumeric code does not directly correspond to a standard, widely published component (such as a common IC, transistor, or sensor) from major manufacturers (e.g., Texas Instruments, Analog Devices, ON Semi, STMicroelectronics).
Here are the most likely possibilities for what you are looking for: Component Identification :
5. Technical Specifications
Key Features of 9E102
- Type: N-Channel MOSFET
- Package: Typically available in a compact package like SOT-23 or TO-92, though the specific package can vary
- Drain-Source Voltage (Vds): A maximum voltage rating that should not be exceeded
- Gate-Source Voltage (Vgs): The maximum voltage that can be applied between gate and source
- Continuous Drain Current (Id): The maximum current the MOSFET can handle continuously
- Power Dissipation (Pd): The maximum power the device can dissipate without damage
Electrical Characteristics
| Parameter | Value | Conditions | | :--- | :--- | :--- | | Contact Rating | 25mA @ 24V DC | Resistive Load | | Insulation Resistance | 100 MΩ Min | 100V DC | | Contact Resistance | 50 mΩ Max | Initial value | | Dielectric Strength | 300V AC (RMS) | 1 Minute | | Current Carrying Capacity | 25 mA Max | |
Applications
MOSFETs like the 9E102 are used in a wide range of applications, including:
- Power Supplies: For efficient switching and regulation of power
- Motor Control: To control the speed and direction of motors
- Amplification: In audio and radio frequency amplifiers
- Switching Circuits: For digital logic and high-speed switching applications







