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Product Detailed Parameters
- Description：IC LED DRIVER CTRLR 1.5A 14USON
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Controller
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：1
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5V
- Voltage - Output：-
- Current - Output / Channel：1.5A (Flash)
- Frequency：2MHz
- Dimming：-
- Applications：Camera Flash
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-UFDFN Exposed Pad
- Supplier Device Package：USON014X3020
- Grade：-
- Qualification：-
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Overview
The BD7757MWX-E2 is a single-channel LED camera flash driver IC from ROHM Semiconductor, utilizing a synchronous rectification step-up DC/DC boost topology. It supports an input voltage range of 2.7 V to 5 V and delivers a maximum output current of 1.5 A. The device operates at a switching frequency of 2 MHz with adjustable output voltage capabilities. Packaged in a compact USON-14 (USON014X3020) format, it functions within a temperature range of -30°C to +85°C. Key electrical specifications include a maximum power dissipation of 1.75 W and a maximum supply current of 3 mA.
Feature Summary
- Integrates synchronous rectification for efficient step-up DC/DC conversion
- Includes short circuit and thermal protection mechanisms
- Designed specifically for high-current LED camera flash applications
Applications
- Mobile phone camera flash systems
- Compact digital imaging devices requiring high-intensity LED driving
- Portable electronic equipment with limited power budgets
Procurement Notes
Verify the specific suffix E2 against the manufacturer's datasheet to confirm package dimensions and RoHS compliance status. Ensure the ordering quantity aligns with the standard reel packaging requirements specified by ROHM. Cross-reference the part number with authorized distributors to confirm current availability and lead times before finalizing procurement plans.
Selection Notes
Select this component when designing circuits that require a single-channel boost driver for camera flashes with input voltages between 2.7 V and 5 V. The USON-14 package is suitable for space-constrained mobile designs. Consider the 1.5 A output capability and 2 MHz switching frequency for efficiency and size optimization compared to asynchronous alternatives.
Part Context
This component belongs to the BD7757 series of LED lighting drivers manufactured by ROHM Semiconductor. It is categorized under LED Camera Flash Drivers within the broader PMIC and Driver ICs subcategories. The series focuses on providing high-efficiency power management solutions for portable imaging applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the official ROHM datasheet or contact technical support for verified alternative components.
