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Vishay Siliconix SIP4282DVP3-T1GE3
- Part No.:
- SIP4282DVP3-T1GE3
- Manufacturer:
- Vishay Siliconix
- Package:
- PowerPAK® SC-75-6L
- Datasheet:
-
SIP4282DVP3-T1GE3.pdf
- Description:
- IC PWR SWITCH P-CHAN 1:1 PWRPAK
- Quantity:
- Payment:
- Shipping:
Inventory:1,171
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Product details
Overview
SIP4282DVP3-T1GE3 from Vishay Siliconix is a slew-rate-controlled high-side load switch built around a low-RDS(on) p-channel MOSFET, supporting 1.2 A continuous current with 100 μs turn-on slew rate and under-voltage lockout (UVLO) activation at 1.4 V. It operates from 1.8 V to 5.5 V input, features 105 mΩ RDS(on) at 5 V, and delivers fast output discharge for capacitive loads-ideal for power sequencing in portable computing and battery-powered instrumentation.
For engineers reviewing the SIP4282DVP3-T1GE3 datasheet, SIP4282DVP3-T1GE3 pinout, SIP4282DVP3-T1GE3 application, or SIP4282DVP3-T1GE3 equivalent, key selection criteria include UVLO threshold (1.4 V), 100 μs controlled rise time, TDFN4 1.2 mm × 1.6 mm package compatibility, and <4 μA quiescent current across -40 °C to +85 °C operation.
Technical Context
The SIP4282DVP3-T1GE3 integrates a linear gate voltage ramp circuit that elevates the MOSFET gate from threshold to full enhancement over 100 μs, preventing inrush current spikes. Its UVLO circuit disables the switch when VIN falls below 1.4 V (typ.), avoiding MOSFET saturation and ensuring safe startup in brown-out conditions.
It includes an internal output pulldown resistor (180–250 Ω) activated during shutdown to discharge capacitive loads, and supports TTL/CMOS logic-level enable inputs with VIL ≤ 0.6 V and VIH ≥ 1.8 V at VIN = 5.5 V-enabling direct interfacing with low-voltage microcontrollers without level-shifting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input voltage range | 1.8 V to 5.5 V - supports Li-ion battery (3.0–4.2 V) and USB-powered (5 V) systems without external regulation |
| RDS(on) @ 5 V | 105 mΩ (typ.) - enables ≤630 mW conduction loss at 1.2 A, minimizing thermal stress in compact layouts |
| Turn-on slew time | 100 μs (typ.) - limits di/dt to ~12 A/ms, suppressing EMI and reducing stress on upstream power sources |
| UVLO threshold | 1.4 V (typ., falling) - prevents erratic switching during battery discharge below functional voltage |
| Quiescent current | 2.5 μA (typ.) - extends battery life in always-on standby modes (e.g., RTC backup rails) |
| Output discharge resistance | 180–250 Ω - discharges 100 μF load in <25 ms, enabling rapid power-down sequencing |
| Operating temperature | -40 °C to +85 °C - qualified for industrial and portable consumer environments |
Pinout & Package
Package: TDFN4 1.2 mm × 1.6 mm, 0.5 mm height, exposed thermal pad (pin 3). Compact footprint suits space-constrained PCBs in handheld devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | p-channel MOSFET drain - connects to load; requires 0.1 μF bypass to GND for stable slew control |
| 2 | GND | Power and signal reference - must be connected to PCB ground plane with low-impedance path |
| 3 | ON/OFF | Enable input - active-high TTL/CMOS compatible; drives internal level shifter and slew control logic |
| 4 | IN | p-channel MOSFET source - connects to input supply; requires 1 μF bypass capacitor for transient suppression |
Key Features
| Feature | Design Value |
|---|---|
| Controlled turn-on slew rate | 100 μs rise time - eliminates inrush current peaks and associated voltage droop on shared rails |
| Integrated output discharge | 180–250 Ω internal pulldown - ensures rapid, predictable load de-energization without external components |
| Under-voltage lockout | 1.4 V UVLO threshold with 250 mV hysteresis - guarantees clean disable behavior during brown-out recovery |
| Low quiescent current | 2.5 μA typical - reduces standby power consumption in battery-backed subsystems |
| Logic-level enable interface | VIL ≤ 0.6 V / VIH ≥ 1.8 V at 5.5 V VIN - eliminates need for external level shifters with 1.8 V/3.3 V MCUs |
Applications
| Cellular Telephones | Notebook Computers |
|---|---|
Use Scenario: Powering RF front-end modules only during active transmission to minimize idle current draw. IC Role / Device Role / Timing Role: High-side load switch with controlled turn-on to prevent supply rail collapse during burst-mode operation. Use Value: 100 μs slew rate limits peak inrush to <1.2 A, preserving baseband processor stability and extending battery runtime by 8–12% versus uncontrolled switches. | Use Scenario: Sequencing power to USB-C port controller and PD PHY after system wake-up. IC Role / Device Role / Timing Role: Slew-controlled enable switch ensuring clean voltage ramp to avoid false hot-plug detection. Use Value: UVLO prevents partial-enable during cold-start; integrated discharge clears residual bus voltage before re-enabling, eliminating enumeration failures. |
| Digital Still Cameras | Portable Instruments |
Use Scenario: Isolating image sensor bias rails during sleep mode to reduce dark current and noise floor. IC Role / Device Role / Timing Role: Low-leakage high-side switch with <1 μA shutdown current and fast discharge for sensor reset. Use Value: 2.5 μA quiescent current minimizes standby drain; 100 μs ramp avoids mechanical shutter jitter induced by sudden current surges. | Use Scenario: Enabling precision ADC reference buffers only during measurement cycles. IC Role / Device Role / Timing Role: Load switch providing clean, slew-controlled power delivery to analog subsystems. Use Value: 105 mΩ RDS(on) limits voltage drop to <126 mV at 1.2 A, preserving reference accuracy; TDFN4 package fits tight layout constraints near sensor ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-side load switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS22915DBVR | No UVLO; 500 mΩ RDS(on) at 3.3 V; 1.5 A max current | Lacks brown-out protection; higher conduction loss limits use to low-current rails (<300 mA) | Select when UVLO is unnecessary and cost sensitivity outweighs efficiency requirements |
| AP22802AW5-7 | 1.2 V min input; no UVLO; 85 mΩ RDS(on) at 5 V; 2 A rating | Supports lower-voltage systems but lacks voltage monitoring; higher current capability increases thermal margin | Prefer for 1.2–1.8 V supply domains where UVLO is managed externally |
Compared with SIP4282DVP3-T1GE3, the TPS22915DBVR offers lower cost but sacrifices UVLO and efficiency; the AP22802AW5-7 provides better RDS(on) and current headroom but requires external brown-out handling-making SIP4282DVP3-T1GE3 optimal for 1.8–5.5 V battery systems needing integrated protection and controlled ramping.
Availability
SIP4282DVP3-T1GE3 is available at Aetrix Electronics and suitable for notebook computers, cellular telephones, and portable instruments requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for SIP4282DVP3-T1GE3 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay Siliconix designs and manufactures discrete semiconductors and power ICs, with expertise in MOSFETs, diodes, and load switches for high-efficiency power management.
The SiP4282 series targets portable and battery-powered applications requiring precise inrush control, low quiescent current, and robust UVLO-delivering reliable high-side switching in space-constrained, thermally sensitive designs.
FAQ
What is the UVLO threshold of SIP4282DVP3-T1GE3 and how does it affect system behavior?
The SIP4282DVP3-T1GE3 features an under-voltage lockout (UVLO) threshold of 1.4 V (typical, falling), with 250 mV hysteresis. When input voltage drops below this threshold, the device disables the MOSFET to prevent operation in the saturation region, which could cause excessive power dissipation and thermal instability. This ensures clean, repeatable power-up sequencing in battery-powered systems where voltage sags occur during high-load transients. The SIP4282DVP3-T1GE3 remains disabled until VIN rises above ~1.65 V, guaranteeing stable re-enablement.
Can SIP4282DVP3-T1GE3 operate from a 1.5 V supply?
No, SIP4282DVP3-T1GE3 is not rated for 1.5 V operation. Its specified input voltage range is 1.8 V to 5.5 V, and its UVLO circuit is configured for 1.4 V turn-off-meaning reliable functionality begins only above 1.8 V. For 1.5 V minimum operation, the SiP4282A variant (e.g., SIP4282ADVP3-T1GE3) is required, as it omits UVLO and extends the lower limit to 1.5 V. Using SIP4282DVP3-T1GE3 below 1.8 V risks undefined behavior, incomplete turn-on, or failure to meet RDS(on) specifications.
How does the 100 μs slew rate of SIP4282DVP3-T1GE3 improve system reliability?
The 100 μs slew rate in SIP4282DVP3-T1GE3 linearly ramps output voltage during turn-on, limiting di/dt to approximately 12 A/ms. This suppresses inrush current spikes that would otherwise cause voltage droop on shared power rails, induce EMI in adjacent signal traces, or trigger upstream current-limit protection. In practice, this enables stable powering of capacitive loads up to 100 μF without external soft-start circuitry-reducing BOM count and improving startup repeatability in portable electronics. The SIP4282DVP3-T1GE3 achieves this via internal gate voltage ramp control, independent of external RC networks.
What is the purpose of the output discharge function in SIP4282DVP3-T1GE3 and how fast does it operate?
The SIP4282DVP3-T1GE3 integrates an active output discharge circuit that activates automatically when the ON/OFF pin is driven low. It connects a 180–250 Ω internal pulldown resistor between OUT and GND, rapidly discharging residual charge from downstream capacitive loads. For example, a 100 μF load discharges from 5 V to <0.8 V in under 25 ms-ensuring safe, deterministic power-down before re-enabling or entering low-power states. This eliminates the need for external bleed resistors, saves board space, and prevents latch-up or false wake-up events caused by floating outputs. The SIP4282DVP3-T1GE3 performs this function without external components or timing dependencies.
Is SIP4282DVP3-T1GE3 compatible with 1.8 V GPIO interfaces?
Yes, SIP4282DVP3-T1GE3 is fully compatible with 1.8 V GPIO interfaces. Its ON/OFF pin accepts TTL/CMOS logic levels: VIL is guaranteed ≤ 0.6 V and VIH ≥ 1.8 V when VIN ≥ 4.2 V, meeting standard 1.8 V logic thresholds. Input leakage is limited to 1 μA maximum, placing negligible load on driving MCU pins. No level-shifting circuitry is required-direct connection to 1.8 V microcontrollers (e.g., ARM Cortex-M0+ or RISC-V SoCs) is supported. This interoperability is confirmed across the full -40 °C to +85 °C operating range and is integral to the SIP4282DVP3-T1GE3's design for low-voltage portable systems.
SIP4282DVP3-T1GE3 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay Siliconix
- Package/Case:
- PowerPAK® SC-75-6L
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- 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)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PowerPAK® SC-75-6L
SIP4282DVP3-T1GE3 FAQ
1.How can I place an order for SIP4282DVP3-T1GE3 through Aetrix?
Please submit a Request for Quotation (RFQ) for SIP4282DVP3-T1GE3 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SIP4282DVP3-T1GE3 reliable?
The price and inventory of SIP4282DVP3-T1GE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SIP4282DVP3-T1GE3 is usually 5 days.
3.What payment methods are accepted for SIP4282DVP3-T1GE3?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SIP4282DVP3-T1GE3 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SIP4282DVP3-T1GE3?
SIP4282DVP3-T1GE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SIP4282DVP3-T1GE3 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SIP4282DVP3-T1GE3?
For technical support, including SIP4282DVP3-T1GE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SIP4282DVP3-T1GE3 requirements.
6.How does Aetrix verify that SIP4282DVP3-T1GE3 is sourced from the original manufacturer or authorized distributors?
All SIP4282DVP3-T1GE3 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SIP4282DVP3-T1GE3 meets industry standards.
7.What is the process for return or replacement of SIP4282DVP3-T1GE3?
All SIP4282DVP3-T1GE3 units undergo pre-shipment inspection (PSI). If there is an issue with SIP4282DVP3-T1GE3, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SIP4282DVP3-T1GE3 part is unused and in its original packaging.
Return procedure for SIP4282DVP3-T1GE3:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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