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onsemi NCV612SQ30T2G
- Part No.:
- NCV612SQ30T2G
- Manufacturer:
- onsemi
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
NCV612SQ30T2G.pdf
- Description:
- IC REG LINEAR 3V 100MA SC88A
- Quantity:
- Payment:
- Shipping:
Inventory:2,240
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Product details
Overview
NCV612SQ30T2G from onsemi is an automotive-grade, fixed-output 3.0 V low-dropout linear regulator in SC70-5 package, delivering up to 100 mA with 40 µA typical quiescent current and 230 mV dropout at full load. It integrates thermal shutdown, current limiting, and enable control, and is AEC-Q100 qualified for use in battery-powered infotainment modules and body control units.
For engineers reviewing the NCV612SQ30T2G datasheet, pinout, applications, or equivalent options, key selection criteria include its −40 °C to +125 °C operating range, ±2.0% output voltage accuracy over temperature, ultra-low IQ, SC70-5 footprint compatibility, and automotive qualification status.
Technical Context
The NCV612SQ30T2G uses a PMOS pass transistor architecture enabling low dropout and stable operation with ceramic output capacitors as small as 1.0 µF. Its internal error amplifier and voltage reference ensure tight regulation across line, load, and temperature variations.
Enable functionality provides precise system-level power sequencing: pulling Enable low disables the regulator (IQ drops to ≤0.03 µA), while tying it to Vin enables operation. The N/C pin (Pin 4) is unconnected internally and must remain floating or grounded per layout best practices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2.0% over −40 °C to +125 °C, ensuring stable MCU core supply under automotive thermal stress. |
| Max Output Current | 100 mA continuous, sufficient for powering microcontrollers, sensors, and CAN transceivers in compact ECUs. |
| Dropout Voltage | 230 mV at 100 mA and 3.0 V VOUT, enabling operation down to 3.23 V input - critical for cold-crank scenarios. |
| Quiescent Current | 40 µA typical at full load; ≤0.03 µA in shutdown, minimizing battery drain in always-on vehicle modules. |
| Operating Temp Range | −40 °C to +125 °C junction, validated for under-hood and cabin-mounted automotive electronics. |
| Package | SC70-5 (SOT-353), 2.2 mm × 1.35 mm footprint, compatible with high-density PCB layouts and reflow assembly. |
| AEC-Q100 Grade | Qualified to Grade 1 (−40 °C to +125 °C), supporting PPAP documentation for Tier 1 automotive production. |
Pinout & Package
NCV612SQ30T2G is housed in the SC70-5 (SOT-353) surface-mount package - a 5-pin, lead-free, micro-miniature outline measuring 2.2 mm × 1.35 mm × 1.0 mm (max height). Thermal pad is not present; PCB copper area under the package aids conduction cooling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Vin | Positive input supply rail; accepts 0–6.0 V; requires local 1.0 µF decoupling capacitor placed adjacent to pin. |
| 2 | Gnd | Power ground reference; must connect to low-impedance system ground plane to maintain noise immunity and regulation stability. |
| 3 | Enable | Active-high digital control input; logic high ≥0.95 V enables regulation; logic low ≤0.3 V places device in ultra-low-IQ shutdown mode. |
| 4 | N/C | No internal connection; must be left floating or tied to Gnd per layout guidelines - no routing or vias required. |
| 5 | Vout | Regulated 3.0 V output; supports ceramic or tantalum capacitors ≥1.0 µF; ESR up to 5 Ω permitted without instability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 40 µA typical during active regulation - extends battery life in always-on telematics and gateway modules. |
| Low dropout voltage | 230 mV at 100 mA ensures reliable 3.0 V output even during automotive cold-crank (input down to ~3.23 V). |
| Automotive qualification | AEC-Q100 Grade 1 certified with PPAP support - meets OEM requirements for functional safety-aware power domains. |
| Stable with ceramic capacitors | Operates with 1.0 µF ceramic output cap (no ESR minimum), reducing BOM cost and board space vs. tantalum alternatives. |
| Integrated protection | Thermal shutdown (trip ~160 °C) and current limit (~150–600 mA depending on VIN) prevent fault propagation in harsh environments. |
Applications
| Infotainment Power Rail | Body Control Module (BCM) |
|---|---|
|
Use Scenario: Powering low-voltage peripherals (touch controller, display bias, audio codec) in automotive head units with strict standby current limits. IC Role / Device Role / Timing Role: Primary 3.0 V LDO supplying regulated voltage to mixed-signal ICs; Enable pin synchronized with MCU wake-up signal. Use Value: 40 µA IQ prevents >1 µA parasitic drain during vehicle sleep mode, meeting ISO 16750-2 quiescent current targets. |
Use Scenario: Providing clean 3.0 V supply to door module MCUs and LIN transceivers in 12 V battery systems. IC Role / Device Role / Timing Role: Local point-of-load regulator with thermal protection, placed near load to minimize IR drop and noise coupling. Use Value: 230 mV dropout allows uninterrupted operation during cranking dips to 9 V battery - sustaining 3.0 V output when VIN ≥ 3.23 V. |
| Telematics Control Unit (TCU) | Advanced Driver Assistance Systems (ADAS) Sensor Interface |
|
Use Scenario: Regulating power for GPS/GNSS receivers and cellular modem baseband processors requiring low-noise, stable 3.0 V. IC Role / Device Role / Timing Role: Secondary LDO downstream of buck converter; filters switching noise and provides enable-controlled power gating. Use Value: 100 µVRMS output noise (100 Hz–100 kHz) preserves GNSS signal integrity and reduces bit error rates in LTE modems. |
Use Scenario: Supplying image sensor analog front-end (AFE) and timing controller in rear-view camera modules. IC Role / Device Role / Timing Role: Precision voltage source for sensor biasing and clock generation circuitry; operates across full automotive temperature range. Use Value: ±2.0% output accuracy over −40 °C to +125 °C ensures consistent ADC reference and pixel response calibration across environmental extremes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73330PDBVR | 300 mA output, 50 µA IQ, SOT-23-5 package (larger than SC70-5); no AEC-Q100 qualification. | Higher current capability suits dual-rail sensor interfaces but lacks automotive qualification and smaller footprint. | Select when higher output current is needed and automotive qualification is not required. |
| TPS7A0530YKAR | 200 mA output, 25 µA IQ, 1.5 mm × 1.5 mm X2SON-4 package; AEC-Q100 Grade 2 (−40 °C to +105 °C). | Lower IQ and smaller package, but limited to +105 °C ambient and only 4 pins (no Enable). | Select for ultra-low-power consumer-grade modules where Enable control and +125 °C operation are not mandatory. |
Compared with TLV73330PDBVR and TPS7A0530YKAR, the NCV612SQ30T2G uniquely balances automotive qualification, SC70-5 miniaturization, Enable control, and 100 mA capability - making it optimal for space-constrained, thermally demanding ECU designs requiring full AEC-Q100 compliance.
Availability
NCV612SQ30T2G is available at Aetrix Electronics and suitable for automotive infotainment systems, body control modules, and telematics control units requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for NCV612SQ30T2G 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 (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications.
The NCV612SQ30T2G belongs to onsemi's automotive-qualified LDO regulator family, engineered specifically for low-power, high-reliability power management in engine bay and cabin electronics.
FAQ
What is the maximum input voltage rating for the NCV612SQ30T2G?
The NCV612SQ30T2G supports an absolute maximum input voltage of 6.0 V, as specified in the Maximum Ratings table. Operation above this level risks permanent damage. For reliable 3.0 V output, Vin must exceed Vout by at least the dropout voltage - e.g., ≥3.23 V at 100 mA load. Designers should include transient voltage suppression if used in 12 V automotive systems subject to load dump.
Does the NCV612SQ30T2G require an external pull-up resistor on the Enable pin?
No - the NCV612SQ30T2G does not require an external pull-up on the Enable pin. If Enable functionality is unused, the datasheet explicitly states that Enable should be connected directly to Vin to ensure default operation. Adding a pull-up resistor introduces unnecessary leakage and board area; direct connection avoids startup delay and ensures deterministic behavior.
Is the NCV612SQ30T2G pin-compatible with other variants in the NCV612 series?
Yes - all NCV612 variants (e.g., NCV612SQ18T2G, NCV612SQ33T2G) share identical SC70-5 pinout and package dimensions. Only the output voltage and marking code differ. This allows single PCB design reuse across multiple voltage rails, simplifying inventory and reducing layout iterations for multi-voltage automotive subsystems.
What output capacitor value is recommended for stable operation of the NCV612SQ30T2G?
The NCV612SQ30T2G is stable with a minimum 1.0 µF ceramic output capacitor, as confirmed in the Applications Information section. Larger values (e.g., 2.2 µF or 4.7 µF) improve load transient response and noise rejection but are not required for stability. Tantalum capacitors are also supported, and ESR up to 5 Ω is acceptable - eliminating need for ESR tuning.
How does the NCV612SQ30T2G behave during thermal overload?
When junction temperature exceeds ~160 °C, the NCV612SQ30T2G activates internal thermal shutdown, turning off the output to protect itself. Once temperature falls below the hysteresis threshold (~140 °C), regulation automatically resumes. This cycle prevents permanent damage during sustained overload or poor heatsinking - a critical safeguard in sealed automotive enclosures where airflow is limited.
NCV612SQ30T2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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):
- 0.38V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 90 µA
- Current - Supply (Max):
- 90 µA
- PSRR:
- -
- Control Features:
- Enable
- 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-88A (SC-70-5/SOT-353)
NCV612SQ30T2G FAQ
1.How can I place an order for NCV612SQ30T2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV612SQ30T2G 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 NCV612SQ30T2G reliable?
The price and inventory of NCV612SQ30T2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV612SQ30T2G is usually 5 days.
3.What payment methods are accepted for NCV612SQ30T2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV612SQ30T2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV612SQ30T2G?
NCV612SQ30T2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV612SQ30T2G 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 NCV612SQ30T2G?
For technical support, including NCV612SQ30T2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV612SQ30T2G requirements.
6.How does Aetrix verify that NCV612SQ30T2G is sourced from the original manufacturer or authorized distributors?
All NCV612SQ30T2G 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 NCV612SQ30T2G meets industry standards.
7.What is the process for return or replacement of NCV612SQ30T2G?
All NCV612SQ30T2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV612SQ30T2G, 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 NCV612SQ30T2G part is unused and in its original packaging.
Return procedure for NCV612SQ30T2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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