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Product Detailed Parameters
- Description：IC OR CTRLR SRC SELECT SOT23-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Type：Source Selector Switch
- FET Type：N and P-Channel
- Ratio - Input:Output：2:01
- Internal Switch(s)：Yes
- Delay Time - ON：-
- Delay Time - OFF：-
- Current - Output (Max)：500mA, 100mA
- Current - Supply：14 µA
- Voltage - Supply：2.7V ~ 4V
- Applications：Handheld/Mobile Devices
- Operating Temperature：-40°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The TPS2103DBVT is an OR controller and ideal diode IC from Texas Instruments, designed for power source selection in SOT-23-5 packages. It operates within a supply voltage range of 2.7 V to 5.5 V and supports output currents up to 500 mA. The device features a maximum on-resistance of 2.4 ohms, with a maximum run time of 340 us and a maximum idle time of 6 us. It functions reliably across temperatures from -40°C to +85°C.
Feature Summary
- Implements OR control logic for seamless power source selection
- Functions as an ideal diode to minimize forward voltage drop
- Provides source selection capabilities in a compact surface-mount package
Applications
- Battery backup systems requiring automatic switchover
- Dual-input power supplies for portable electronics
- Ideal diode bridging applications in low-voltage circuits
Procurement Notes
Verify the specific ordering suffix 'DBVT' corresponds to the SOT-23-5 package and tape-and-reel quantity configuration. Confirm that the component meets RoHS compliance standards required for your assembly process. Ensure the operating temperature range aligns with your system's environmental specifications before finalizing procurement orders.
Selection Notes
Select this component when designing circuits requiring precise power path management between two sources. It is suitable for applications needing low forward voltage drops and fast response times. Consider the SOT-23-5 footprint constraints and the 500 mA current limit when sizing the power delivery network for your specific load requirements.
Part Context
This part belongs to the TPS2103 series of OR controllers and ideal diodes manufactured by Texas Instruments. It serves as a critical interface for managing redundant power inputs in embedded systems. The device complements other power management solutions by providing efficient source selection without significant power loss.
Replacement Considerations
Public confirmed substitute part numbers include TPS2103D and TPS2103DBVR. Verify pinout compatibility and package dimensions when transitioning between these variants to ensure proper integration into existing PCB layouts.
