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BD9215F
PDSO28 Analog Circuit, 1 Function, SOP-28
BD9215F
PDSO28 Analog Circuit, 1 Function, SOP-28
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BD9215F DataSheet
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Details
The BD9215F is a synchronous buck DC/DC converter IC developed by ROHM Semiconductor. It is designed for use in a wide range of applications including automotive, industrial, and consumer electronics. The BD9215F is capable of converting input voltages ranging from 4.5V to 40V down to output voltages as low as 0.8V with a maximum current output of 6A.Key features of the BD9215F include a high efficiency conversion rate of up to 95%, a fixed switching frequency of 300kHz, and a built-in soft-start function to minimize inrush current during startup. The IC also includes overcurrent protection, thermal shutdown, and input under-voltage lockout to ensure safe and reliable operation.The BD9215F is housed in a compact HTSSOP-J8 package, making it suitable for space-constrained applications. It can operate in a wide temperature range from -40°C to 105°C, making it ideal for use in harsh environments.
Key Features
- High efficiency synchronous buck-boost converter
- Wide input voltage range of 2.5V to 24V
- Output voltage range from 2.0V to 12V
- Fixed 1.8MHz switching frequency
- Programmable soft-start function
- Overcurrent and thermal shutdown protection
Application
- Industrial automation
- Robotics
- Medical devices
- Power tools
- Home appliances
- Renewable energy systems
- Consumer electronics
- LED lighting
- Telecommunications
- PC peripherals
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Rohs Code | Yes |
| Part Life Cycle Code | Active | Part Package Code | SOIC |
| Pin Count ! | 28 | Reach Compliance Code | compliant |
| HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | ANALOG CIRCUIT |
| Control Mode | VOLTAGE-MODE | JESD-30 Code | R-PDSO-G28 |
| Length | 18.5 mm | Number of Functions | 1 |
| Number of Terminals | 28 | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Package Body Material | PLASTIC/EPOXY |
| Package Code | SOP | Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | Qualification Status ! | Not Qualified |
| Seated Height-Max | 2.41 mm | Supply Voltage-Max (Vsup) | 30 V |
| Supply Voltage-Min (Vsup) | 16 V | Supply Voltage-Nom (Vsup) | 24 V |
| Surface Mount ! | YES | Switching Frequency-Max | 110 kHz |
| Temperature Grade ! | INDUSTRIAL | Terminal Form ! | GULL WING |
| Terminal Pitch ! | 1.27 mm | Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | Width | 7.5 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is BD9215F?
The BD9215F is a synchronous step-down DC-DC converter IC manufactured by ROHM Semiconductor. It is designed for high-efficiency power supply applications, especially in portable devices, consumer electronics, and industrial equipment.
How Does BD9215F Work?
The BD9215F functions as a step-down (buck) DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It operates in synchronous rectification mode to minimize power loss and maximize efficiency. The IC features built-in protection functions such as overcurrent protection and thermal shutdown to ensure safe operation.
How Many Pins does BD9215F have and What are the Functions of the Pinout Configuration?
The BD9215F is housed in a compact 8-pin HSOP package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- FB: Feedback pin for voltage regulation control.
- EN: Enable pin for turning the converter on and off.
- SW: Switch pin for controlling the power flow.
- PGOOD: Power good output pin for indicating the output voltage status.
- S/S: Soft-start and synchronization pin.
What are the Pros and Cons of BD9215F?
Pros:
- High Efficiency: Provides high conversion efficiency for power-saving applications.
- Compact Size: The HSOP package offers a space-saving solution for compact designs.
- Integrated Protection: Built-in protection features enhance system reliability and safety.
- Wide Operating Voltage Range: Suitable for various input voltage requirements.
- Synchronous Rectification: Improves overall efficiency by reducing switching losses.
Cons:
- External Components: May need additional external components for specific applications.
- Complexity: Synchronous converters may require careful PCB layout and design consideration.
Are There Any Equivalents/Alternatives to BD9215F for Recommendation?
- The LM2675 from Texas Instruments is a comparable synchronous step-down converter.
- Alternatives to the BD9215F include the TPS62160 from Texas Instruments and the LT1763 from Analog Devices.
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