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onsemi NCV663SQ30T1G
- Part No.:
- NCV663SQ30T1G
- Manufacturer:
- onsemi
- Package:
- SC-82A, SOT-343
- Datasheet:
-
NCV663SQ30T1G.pdf
- Description:
- IC REG LINEAR 3V 100MA SC82AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,316
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Product details
Overview
NCV663SQ30T1G from onsemi is an automotive-grade, fixed-output 3.0 V low-dropout linear regulator with 100 mA output capability, ultra-low 2.5 µA quiescent current, and AEC-Q100 qualification for operation from −40 °C to +125 °C. It uses a PMOS pass transistor, requires only a 0.1 µF ceramic output capacitor, and delivers ±2.0% output voltage accuracy under load.
For engineers reviewing the NCV663SQ30T1G datasheet, pinout, applications, or equivalent options, this page provides verified technical context, real-world design meaning of key specs, validated pin functions, automotive-qualified thermal and electrical behavior, and confirmed alternative options for supply continuity planning.
Technical Context
The NCV663SQ30T1G implements a PMOS-based LDO architecture with internal voltage reference, error amplifier, current limit, and thermal shutdown protection. It lacks an enable pin-pin 4 is No Connect (N/C)-and relies solely on input voltage presence for operation.
Designed for battery-powered automotive subsystems, it operates across 1.8 V to 6.0 V input range with 250 mV typical dropout at 100 mA (3.0 V output), supports 0.1 µF–1.0 µF ceramic output capacitors, and maintains regulation over full −40 °C to +125 °C ambient temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2.0% (ensures stable MCU core or sensor rail without external feedback) |
| Max Output Current | 100 mA continuous (supports low-power microcontrollers, CAN transceivers, or display bias circuits) |
| Quiescent Current | 2.5 µA typical (enables >1-year battery life in always-on automotive modules) |
| Dropout Voltage | 250 mV @ 100 mA (allows operation down to 3.25 V input-critical for cold-crank scenarios) |
| Input Voltage Range | 1.8 V to 6.0 V (compatible with 3.3 V/5 V rails and unregulated automotive battery transients) |
| Operating Temp | −40 °C to +125 °C (AEC-Q100 Grade 1 qualified for engine bay and infotainment applications) |
| Package | SC-82AB (2.0 × 1.25 mm, 0.65 mm pitch; enables high-density placement in compact ECUs) |
Pinout & Package
NCV663SQ30T1G is housed in the SC-82AB surface-mount package (Case 419C−02), measuring 2.0 mm × 1.25 mm × 0.95 mm with 4 terminals in a single-row configuration. Pin 4 is internally unconnected (N/C) and must remain floating or grounded per layout best practice.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference; must be connected to low-impedance PCB ground plane for noise immunity and thermal dissipation |
| 2 | Vin | Main input supply (1.8–6.0 V); requires local 1.0 µF ceramic decoupling capacitor placed within 2 mm |
| 3 | Vout | Regulated 3.0 V output; drives load directly; minimum 0.1 µF ceramic capacitor required for stability |
| 4 | N/C | No internal connection; no bond wire attached; must not be soldered to trace or pulled high/low |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 2.5 µA quiescent current enables >10-year shelf life in automotive telematics modules with backup battery |
| AEC-Q100 Grade 1 | Qualified for −40 °C to +125 °C ambient operation-meets requirements for body control, lighting, and ADAS sensors |
| PMOS Pass Device | Enables low dropout and eliminates reverse-current flow during input undervoltage or shutdown |
| Ceramic Cap Compatible | Stable with 0.1 µF–1.0 µF X5R/X7R ceramics-reduces BOM cost and board space vs. tantalum alternatives |
| Thermal Shutdown | Activates at ~160 °C junction temperature-protects against sustained overload or poor heatsinking in sealed enclosures |
Applications
| Automotive Infotainment Power | ADAS Camera Bias Supply |
|---|---|
Use Scenario: Providing clean 3.0 V bias to image signal processors and MIPI CSI-2 serializers in rear-view cameras. IC Role / Device Role / Timing Role: Primary LDO for low-noise analog front-end and digital core logic. Use Value: 100 mVRMS output noise and 250 mV dropout ensure reliable startup during cold-crank (6.0 V → 3.25 V input window). |
Use Scenario: Powering CMOS image sensors and lens drivers in forward-facing driver-assistance cameras. IC Role / Device Role / Timing Role: Fixed-output voltage regulator delivering stable rail independent of battery fluctuation. Use Value: −40 °C to +125 °C operation and AEC-Q100 qualification guarantee functionality across full vehicle lifecycle and environmental stress. |
| Body Control Module Logic Rail | Telematics GPS/GNSS Receiver |
Use Scenario: Supplying 3.0 V to microcontroller I/O banks and LIN transceivers in door module ECUs. IC Role / Device Role / Timing Role: Low-quiescent-current regulator maintaining system wake-up readiness during sleep mode. Use Value: 2.5 µA IQ minimizes parasitic drain-critical for meeting ISO 16750-2 quiescent current limits (<50 µA total ECU). |
Use Scenario: Delivering regulated 3.0 V to GNSS RF front-end and baseband ICs in cellular/V2X telematics units. IC Role / Device Role / Timing Role: Noise-suppressed power source for sensitive RF and timing circuitry. Use Value: Stable 3.0 V ±2.0% output ensures consistent oscillator performance and reduces GPS position drift under load transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV8170ASN300T1G | 300 mA output, 350 mV dropout @ 300 mA, same SC-82AB package, but 12 µA IQ | Higher current capacity suits multi-rail systems; higher IQ reduces battery life in always-on nodes | Select when >100 mA load or tighter transient response is required; verify thermal margin at full load |
| TLV73330PDBVR | 300 mA, 170 mV dropout @ 300 mA, SOT-23-5 package, 65 µA IQ, no AEC-Q100 rating | Larger footprint and non-automotive qualification limit use to cabin or non-safety-critical modules | Use only in non-automotive or interior-only applications where AEC-Q100 is not mandated |
Compared with NCV663SQ30T1G, NCV8170ASN300T1G offers higher current headroom but trades off 5× higher quiescent current, while TLV73330PDBVR provides lower dropout in a different package but lacks automotive qualification and thermal robustness.
Availability
NCV663SQ30T1G is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, and body control unit designs requiring stable component supply, long-lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for NCV663SQ30T1G 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
onsemi is a global semiconductor supplier focused on energy-efficient electronics, with leadership in automotive, industrial, cloud, and IoT markets.
The NCV663SQ30T1G belongs to onsemi's NCV663 automotive LDO family-designed specifically for high-reliability, low-power, wide-temperature operation in safety-critical vehicle subsystems.
FAQ
What is the maximum input voltage rating for the NCV663SQ30T1G?
The NCV663SQ30T1G has a maximum input voltage rating of 6.0 V, as specified in the Absolute Maximum Ratings table. Exceeding this voltage-even momentarily-may damage the device. This rating allows safe operation during automotive load-dump transients when used with appropriate upstream clamping, and supports compatibility with both 3.3 V and 5 V system rails.
Does the NCV663SQ30T1G include an enable pin?
No, the NCV663SQ30T1G does not include an enable pin. Pin 4 is designated N/C (No Connection) per the datasheet pin function table and top-view marking diagram. Unlike the NCV662 variant, the NCV663 series omits enable functionality-operation is controlled solely by Vin presence. Do not tie pin 4 to any voltage or ground.
What output capacitor value is required for stable operation of the NCV663SQ30T1G?
The NCV663SQ30T1G requires a minimum output capacitance of 0.1 µF ceramic (X5R or X7R dielectric), as stated in the datasheet. Larger values up to 1.0 µF improve load transient response and noise rejection. The regulator is stable across this range without ESR constraints-unlike older LDOs-making low-cost, low-ESR MLCCs fully compatible.
Is the NCV663SQ30T1G qualified for automotive applications?
Yes, the NCV663SQ30T1G carries the NCV prefix, indicating it is AEC-Q100 qualified (Grade 1) and PPAP capable. Its guaranteed operating ambient temperature range of −40 °C to +125 °C, automotive-specific process controls, and qualification testing meet requirements for engine compartment, chassis, and infotainment applications per ISO/TS 16949.
What is the typical dropout voltage of the NCV663SQ30T1G at full load?
The typical dropout voltage of the NCV663SQ30T1G is 250 mV at 100 mA output current and 25 °C, measured when Vout drops 3.0% below nominal (i.e., to 2.91 V). This value increases slightly at temperature extremes and remains within 420 mV maximum across the full −40 °C to +125 °C range, enabling reliable operation during cold-crank conditions.
NCV663SQ30T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.42V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 6 µA
- PSRR:
- -
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-82AB
NCV663SQ30T1G FAQ
1.How can I place an order for NCV663SQ30T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV663SQ30T1G 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 NCV663SQ30T1G reliable?
The price and inventory of NCV663SQ30T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV663SQ30T1G is usually 5 days.
3.What payment methods are accepted for NCV663SQ30T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV663SQ30T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV663SQ30T1G?
NCV663SQ30T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV663SQ30T1G 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 NCV663SQ30T1G?
For technical support, including NCV663SQ30T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV663SQ30T1G requirements.
6.How does Aetrix verify that NCV663SQ30T1G is sourced from the original manufacturer or authorized distributors?
All NCV663SQ30T1G 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 NCV663SQ30T1G meets industry standards.
7.What is the process for return or replacement of NCV663SQ30T1G?
All NCV663SQ30T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCV663SQ30T1G, 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 NCV663SQ30T1G part is unused and in its original packaging.
Return procedure for NCV663SQ30T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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