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SIP4282DNP3-T1GE4
Vishay Siliconix
IC PWR SWITCH P-CHAN 1:1 4TDFN
5735 Pcs New Original In Stock
Power Switch/Driver 1:1 P-Channel 1.4A 4-TDFN (1.2x1.6)
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*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (474 Ratings)
SIP4282DNP3-T1GE4
Product Overview
1116231
DiGi Electronics Part Number
SIP4282DNP3-T1GE4-DGManufacturer
Vishay Siliconix
SIP4282DNP3-T1GE4
Description
IC PWR SWITCH P-CHAN 1:1 4TDFNInventory
5735 Pcs New Original In Stock
Power Switch/Driver 1:1 P-Channel 1.4A 4-TDFN (1.2x1.6)
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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SIP4282DNP3-T1GE4 Technical Specifications
Category
Power Management (PMIC), Power Distribution Switches, Load Drivers
Packaging
Tape & Reel (TR)
Series
-
Product Status
Active
Switch Type
General Purpose
Number of Outputs
1
Ratio - Input:Output
1:1
Output Configuration
High Side
Output Type
P-Channel
Interface
On/Off
Voltage - Load
1.8V ~ 5.5V
Voltage - Supply (Vcc/Vdd)
Not Required
Current - Output (Max)
1.4A
Rds On (Typ)
105mOhm
Input Type
Non-Inverting
Features
Load Discharge, Slew Rate Controlled
Fault Protection
UVLO
Operating Temperature
-40°C ~ 125°C (TJ)
Mounting Type
Surface Mount
Supplier Device Package
4-TDFN (1.2x1.6)
Package / Case
4-UFDFN Exposed Pad
Base Product Number
SIP4282
Datasheet & Documents
HTML Datasheet
SIP4282DNP3-T1GE4-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
SIP4282DNP3-T1GE4CT
SIP4282DNP3-T1GE4DKR
SIP4282DNP3-T1GE4TR
SIP4282DNP3-T1GE4-DG
Standard Package
3,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
DiGi Electronics의 정밀 포장 방법이 인상적이었고, 배송 과정에서도 안전하게 이동했습니다.
грудня 02, 2025
Every interaction with their after-sales team leaves us satisfied and confident.
грудня 02, 2025
Their support agents are insightful and patient in solving issues.
грудня 02, 2025
DiGi Electronics always meets my expectations with their budget-friendly prices and green packaging.
грудня 02, 2025
Delivery was not only fast but also very professional, with no damages at all.
грудня 02, 2025
Their employees are courteous and knowledgeable, making shopping a pleasant experience.
грудня 02, 2025
The professionalism displayed in all dealings makes me a loyal customer.
грудня 02, 2025
Their customer-first approach makes them stand out in the industry.
грудня 02, 2025
DiGi Electronics' after-sales support has helped us optimize our processes.
грудня 02, 2025
Rapid delivery and friendly support made this a perfect experience.
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Frequently Asked Questions (FAQ)
Can the SIP4282DNP3-T1GE4 safely replace a TI TPS22916 in a 3.3V battery-powered IoT device, and what design risks should I consider during the swap?
The SIP4282DNP3-T1GE4 can be a functional replacement for the TPS22916 in 3.3V battery-powered applications, but critical differences exist. While both are P-channel high-side switches with similar Rds(on) (~105mΩ vs. ~85mΩ), the SIP4282DNP3-T1GE4 lacks an integrated enable pull-down and has a higher leakage current in shutdown mode (1µA vs. 100nA), which may impact ultra-low-power IoT sleep modes. Additionally, the 4-TDFN package (1.2x1.6mm) is smaller than the TPS22916’s 1.5x1.5mm DSBGA, requiring PCB layout adjustments. Ensure your control logic can drive the non-inverting input directly and verify that the UVLO threshold (~1.2V) aligns with your system’s brownout requirements. Always validate quiescent current in real-world sleep conditions to avoid premature battery drain.
What are the thermal and layout risks when using the SIP4282DNP3-T1GE4 in a 1.4A continuous load application on a 2-layer PCB?
Operating the SIP4282DNP3-T1GE4 at its 1.4A maximum continuous current on a 2-layer board introduces significant thermal risk due to limited heat dissipation. The 4-TDFN with exposed pad has a θJA of ~80°C/W (estimated), meaning at 1.4A and 105mΩ Rds(on), power dissipation reaches ~206mW, raising junction temperature by ~16.5°C above ambient—problematic in enclosed or high-ambient environments. To mitigate, maximize copper pour under the exposed pad (connected to ground), use multiple vias to a bottom-layer ground plane, and avoid routing high-impedance signals nearby. Consider derating to ≤1.0A continuous if operating above 85°C ambient. Active airflow or a 4-layer stack-up is strongly recommended for sustained loads near 1.4A.
How does the slew rate control feature in the SIP4282DNP3-T1GE4 affect EMI and inrush current when switching capacitive loads like USB peripherals?
The SIP4282DNP3-T1GE4’s built-in slew rate control significantly reduces inrush current and dV/dt-induced EMI when driving capacitive loads such as USB hubs or camera modules. By limiting the turn-on transition time, it prevents excessive current spikes that could trigger upstream protection circuits or cause voltage droop on shared rails. However, this comes with a trade-off: slower rise times increase switching losses during transitions, which may elevate junction temperature during frequent cycling. For USB 2.0/3.0 peripherals with >10µF input capacitance, this feature is beneficial and often necessary to meet IEC 61000-4-5 surge immunity. Always measure actual inrush with an oscilloscope and scope current probe; if overshoot exceeds 500mA, consider adding a small series resistor (0.5–2Ω) or external RC snubber.
Is the SIP4282DNP3-T1GE4 suitable for hot-swap applications in 5V industrial systems, and what protection circuitry is still required?
The SIP4282DNP3-T1GE4 is not inherently designed for hot-swap applications despite its robust -40°C to 125°C rating. While UVLO and slew rate control help, it lacks active current limiting, foldback protection, or fault reporting—critical for safe hot-plugging into live 5V backplanes. In industrial systems, inductive kickback or connector arcing can expose the switch to transient voltages beyond its 5.5V absolute max. To use it safely, add an external TVS diode (e.g., SMAJ5.0A) at the output, a current-limiting circuit (e.g., eFuse like TPS25921), and ensure the input capacitor is placed close to limit loop inductance. For mission-critical designs, consider a dedicated hot-swap controller instead, such as the LTC4215, which integrates soft-start, current monitoring, and fault isolation.
What are the reliability implications of operating the SIP4282DNP3-T1GE4 near its -40°C lower temperature limit in automotive under-hood environments?
Operating the SIP4282DNP3-T1GE4 at -40°C in automotive environments introduces reliability concerns despite its rated TJ range. At low temperatures, Rds(on) increases by ~30–40% (per typical MOSFET behavior), reducing efficiency and potentially causing voltage droop under load. More critically, the 4-TDFN package’s small size and thin bond wires are susceptible to thermal cycling stress between -40°C and 125°C, leading to solder joint fatigue over time—especially on non-homogeneous PCBs. Ensure your PCB uses high-Tg FR4 or polyimide material, apply corner staking if vibration is present, and avoid placing the device near high-heat components. Also, verify that your load’s startup characteristics (e.g., motor inrush) don’t exceed 1.4A at cold start, where battery voltage may surge above 5.5V during jump-start scenarios. Consider AEC-Q101 qualification validation if used in safety-critical paths.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
SIP4282DNP3-T1GE4 CAD Models
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