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NCV451AMNWTBG
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Product Detailed Parameters
- Description：IC PWR SWITCH N-CHANNEL 1:1 6DFN
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：2
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：N-Channel
- Interface：On/Off
- Voltage - Load：3.6V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：0.75V ~ 5.25V
- Current - Output (Max)：3A
- Rds On (Typ)：21mOhm
- Input Type：Non-Inverting
- Features：-
- Fault Protection：-
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：6-DFNW (2x2.2)
- Package / Case：6-VDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The NCV451AMNWTBG is a dual-channel load switch IC from onsemi, designed for power distribution applications. It supports an operating supply voltage range of 750 mV to 5.5 V and delivers a maximum output current of 3 A per channel. The device features a typical on-resistance of 21 mOhms and a maximum on-resistance of 50 mOhms. It operates within a temperature range of -40°C to +125°C and holds AEC-Q101 qualification for automotive reliability. The component is available in a WLCSP-6 package.
Feature Summary
- Dual high-side load switch configuration for independent channel control
- AEC-Q101 qualified for automotive-grade reliability and robustness
- Ultra-small footprint suitable for space-constrained mobile designs
Applications
- Smartphone battery management systems
- Portable electronic device power distribution
- Automotive infotainment and sensor power switching
Procurement Notes
Verify the specific suffix 'W' indicates the tape and reel packaging format when ordering. Confirm that the AEC-Q101 qualification aligns with your target automotive application requirements. Ensure the WLCSP-6 package compatibility matches your PCB assembly capabilities. Cross-reference the latest datasheet for any updates regarding recommended soldering profiles or storage conditions.
Selection Notes
Select this component when a compact dual-channel solution is required for low-voltage power distribution. The 3 A current rating suits most peripheral loads in mobile devices. Consider the 21 mOhm typical on-resistance for efficiency calculations. The wide input voltage range accommodates various battery states. Verify thermal performance under continuous load conditions given the small package size.
Part Context
This part belongs to onsemi's NCV451 series of ultra-small load switches. It is distinct from the NCV459MNWTBG, which offers higher current capacity. The series targets portable electronics where board space is limited. It complements other power management ICs in system-level designs.
Replacement Considerations
Direct substitutes include the NCV451AMNTBG (tray packaging) or NCV451AMNTWG (tape and reel). Check pinout compatibility before substitution. Higher current variants like the NCV459 series may fit if space permits.
