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Product Detailed Parameters
- Description：IC MUX 5:1 14SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Applications：Video
- Multiplexer/Demultiplexer Circuit：5:01
- Switch Circuit：-
- Number of Channels：1
- On-State Resistance (Max)：-
- Voltage - Supply, Single (V+)：4.5V ~ 13V
- Voltage - Supply, Dual (V±)：-
- -3db Bandwidth：-
- Features：-
- Operating Temperature：-25°C ~ 75°C
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：14-SOP
- Grade：-
- Qualification：-
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Overview
The BA7649AF-E2 is a monolithic integrated circuit designed for use as a high-efficiency DC-DC step-up converter. It incorporates a built-in power MOSFET switch and operates with an input voltage range suitable for single-cell lithium-ion battery applications. The device features fixed-frequency pulse-width modulation control to regulate output voltage, ensuring stable performance under varying load conditions while maintaining low standby current consumption.
Feature Summary
- Integrates a power MOSFET switch for compact design
- Fixed-frequency PWM control for stable regulation
- Optimized for single-cell lithium-ion battery operation
Applications
- Portable electronic devices requiring step-up conversion
- Single-cell lithium-ion battery powered systems
- Handheld communication equipment
Procurement Notes
Verify the specific suffix 'E2' corresponds to the required tape and reel packaging configuration when placing orders. Confirm that the operating temperature range meets the environmental requirements of the target application. Ensure compatibility with the intended input voltage levels before integration into the final product design.
Selection Notes
Select this component when a compact solution for boosting single-cell lithium-ion battery voltage is required. Consider the internal MOSFET current limits and thermal dissipation capabilities relative to the maximum expected load current. Evaluate the fixed switching frequency against electromagnetic interference constraints in the system layout.
Part Context
This part belongs to Rohm's series of DC-DC converters aimed at portable electronics. It addresses the need for efficient power management in space-constrained devices. The integration of the switch reduces external component count compared to discrete solutions, simplifying board layout and assembly processes for manufacturers.
Replacement Considerations
Check for direct pin-compatible alternatives within the same manufacturer's portfolio if supply chain adjustments are necessary. Verify that any substitute maintains identical electrical characteristics and package dimensions to ensure seamless integration without redesigning the printed circuit board.
