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onsemi NCP662SQ15T1G
- Part No.:
- NCP662SQ15T1G
- Manufacturer:
- onsemi
- Package:
- SC-82A, SOT-343
- Datasheet:
-
NCP662SQ15T1G.pdf
- Description:
- IC REG LINEAR 1.5V 100MA SC82AB
- Quantity:
- Payment:
- Shipping:
Inventory:1,129
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Product details
Overview
NCP662SQ15T1G from onsemi is a fixed-output, CMOS-based low-dropout linear regulator delivering 1.5 V at up to 100 mA with 2.5 µA typical quiescent current, ±2.0% output voltage accuracy, and 680 mV dropout at 100 mA - designed for battery-powered instrumentation requiring ultra-low standby power.
For engineers reviewing the NCP662SQ15T1G datasheet, pinout, applications, or equivalent options, key selection criteria include enable-controlled ON/OFF operation, SC-82AB package compatibility, thermal shutdown protection, and support for 0.1 µF ceramic output capacitors in space-constrained portable designs.
Technical Context
The NCP662SQ15T1G integrates a PMOS pass transistor, precision voltage reference, error amplifier, and enable logic in a single die - enabling fast turn-on response (<10 µs) and stable regulation under load transients. Its architecture eliminates PNP-based dropout penalties while maintaining rail-to-rail input capability up to 6.0 V.
It operates across −40 °C to +85 °C ambient temperature, features internal current limit (150–600 mA) and thermal shutdown (~160 °C), and supports logic-level enable control with 1.3 V turn-on threshold and 0.5 V turn-off threshold - making it suitable for host-controlled power sequencing in low-power embedded systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.5 V ±2.0% - tightly regulated supply for 1.5 V logic rails or analog sensor biasing. |
| Max Output Current | 100 mA - sufficient for microcontrollers, RF front-ends, or small display drivers without external boost. |
| Quiescent Current | 2.5 µA typical - enables multi-year battery life in always-on monitoring applications. |
| Dropout Voltage | 680 mV at 100 mA - allows operation down to 2.18 V input when regulating 1.5 V output. |
| Enable Threshold | 1.3 V (rising), 0.5 V (falling) - compatible with 1.8 V and 3.3 V GPIO without level-shifting. |
| Input Voltage Range | −0.3 V to 6.0 V - supports single-cell Li-ion (4.2 V max), two-cell alkaline (3.2 V), or USB-powered inputs. |
| Thermal Shutdown | ~160 °C - protects against sustained overload or poor PCB thermal design. |
Pinout & Package
Package: SC-82AB (Case 419C), surface-mount, 4-pin micro-miniature package (2.0 × 1.25 × 0.95 mm), Pb-free, tape-and-reel (3,000 units).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference; must be low-impedance connection to minimize noise coupling and ensure regulation stability. |
| 2 | Vin | Main input supply pin; accepts up to 6.0 V and supplies internal circuitry and pass transistor gate drive. |
| 3 | Vout | Regulated 1.5 V output; requires ≥0.1 µF ceramic capacitor placed adjacent to pin for transient stability. |
| 4 | Enable | Active-high digital control input; pulls device into <1 µA shutdown state when driven ≤0.5 V; connect to Vin if unused. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 2.5 µA typical - reduces battery drain during sleep modes in IoT sensors and wearables. |
| Enable Control | Dedicated logic-level pin enables precise system-level power gating without external MOSFETs. |
| Ceramic Cap Compatible | Stable with 0.1 µF minimum output capacitance - eliminates need for costly tantalum or high-ESR capacitors. |
| ±2.0% Output Accuracy | Ensures reliable operation of 1.5 V I²C peripherals, ADC references, and low-voltage memory interfaces. |
| Thermal & Current Protection | Integrated foldback current limit and thermal shutdown prevent damage during short-circuit or overheating events. |
Applications
| Portable Medical Sensors | Wireless Remote Controls |
|---|---|
Use Scenario: Continuous glucose monitor (CGM) using coin-cell battery and low-power BLE SoC. IC Role / Device Role / Timing Role: Primary 1.5 V supply for analog front-end and BLE radio sleep-state regulation. Use Value: 2.5 µA quiescent current extends 3 V CR2032 battery life beyond 2 years in standby mode. |
Use Scenario: Infrared remote with motion-activated wake-up and sub-100 µA average current draw. IC Role / Device Role / Timing Role: Enables rapid power-up of microcontroller upon button press via Enable pin assertion. Use Value: 1.3 V enable threshold ensures compatibility with 1.8 V MCU GPIO, eliminating level-shifters. |
| Industrial Handheld Scanners | Automotive Cabin Sensors |
Use Scenario: Rugged barcode scanner powered by dual AA batteries with cold-temperature operation requirement. IC Role / Device Role / Timing Role: Provides stable 1.5 V rail for laser diode driver and image sensor interface. Use Value: 680 mV dropout allows full functionality down to 1.8 V input (2× alkaline at end-of-life). |
Use Scenario: Occupancy sensor module in vehicle cabin with AEC-Q100-compliant power domain. IC Role / Device Role / Timing Role: Secondary LDO for 1.5 V MEMS accelerometer and CAN transceiver biasing. Use Value: While NCP662SQ15T1G is industrial-grade (−40 °C to +85 °C), its pinout and footprint match AEC-Q100 NCV662SQ15T1G for drop-in qualification path. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-IQ LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-1502E/MB | 2.3 µA IQ, 250 mV dropout at 250 mA, SOT-23-5 package, no enable pin. | Lacks enable control; requires external transistor for ON/OFF sequencing. | Choose when board space permits SOT-23-5 and enable functionality is unnecessary. |
| TPS70615DRVR | 1.3 µA IQ, 220 mV dropout at 150 mA, 6-pin WSON, integrated enable and active-low reset. | Higher integration (reset), but larger footprint and higher cost; requires 1 µF min. Cout. | Prefer when system-level reset signaling is required and 0.1 µF capacitor constraint is relaxed. |
Compared with MCP1700T-1502E/MB and TPS70615DRVR, the NCP662SQ15T1G offers the optimal balance of ultra-low IQ, enable control, minimal output capacitance (0.1 µF), and SC-82AB footprint - making it uniquely suited for miniaturized, battery-sensitive designs where pin count and board area are constrained.
Availability
NCP662SQ15T1G is available at Aetrix Electronics and suitable for portable medical sensors, wireless remote controls, industrial handheld scanners, and automotive cabin sensors requiring stable component supply with long-lifecycle assurance.
Supply support for NCP662SQ15T1G 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 power management, analog, sensing, and connectivity solutions for automotive, industrial, and consumer markets.
The NCP662 series belongs to onsemi's ultra-low-quiescent-current LDO portfolio, engineered specifically for battery-powered portable equipment where extended runtime and compact form factor are critical design constraints.
FAQ
What is the maximum input voltage rating for the NCP662SQ15T1G?
The NCP662SQ15T1G has an absolute maximum input voltage of 6.0 V. Exceeding this rating may cause permanent damage. For reliable operation, maintain Vin within −0.3 V to 6.0 V, with recommended operating range of 2.2 V to 5.5 V to ensure proper regulation and margin above dropout.
Does the NCP662SQ15T1G require an external pull-up resistor on the Enable pin?
No - the NCP662SQ15T1G does not require an external pull-up on the Enable pin. If unused, the Enable pin must be directly connected to Vin to guarantee normal operation. Internal circuitry does not provide pull-up; leaving it floating risks unpredictable enable behavior and potential output instability.
Can the NCP662SQ15T1G operate with only a 0.1 µF output capacitor?
Yes - the NCP662SQ15T1G is explicitly characterized and stabilized with a minimum 0.1 µF ceramic output capacitor. Larger values (e.g., 1.0 µF) improve load transient response and noise rejection, but 0.1 µF meets all stability requirements per the datasheet and enables ultra-compact layout.
What is the thermal shutdown trigger temperature for the NCP662SQ15T1G?
The NCP662SQ15T1G activates thermal shutdown at approximately 160 °C junction temperature. Once triggered, the device disables output until junction temperature falls below the hysteresis threshold (~140 °C). This protection is internal and requires no external components.
Is the NCP662SQ15T1G pin-compatible with the NCV662SQ15T1G automotive variant?
Yes - the NCP662SQ15T1G and NCV662SQ15T1G share identical SC-82AB pinout, marking layout, and electrical pin functions. The NCV version adds AEC-Q100 qualification and extended −40 °C to +125 °C temperature range, but both use the same Enable, Vin, Vout, and GND pin assignments.
NCP662SQ15T1G 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):
- 1.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.95V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 6 µA
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-82AB
NCP662SQ15T1G FAQ
1.How can I place an order for NCP662SQ15T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP662SQ15T1G 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 NCP662SQ15T1G reliable?
The price and inventory of NCP662SQ15T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP662SQ15T1G is usually 5 days.
3.What payment methods are accepted for NCP662SQ15T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP662SQ15T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP662SQ15T1G?
NCP662SQ15T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP662SQ15T1G 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 NCP662SQ15T1G?
For technical support, including NCP662SQ15T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP662SQ15T1G requirements.
6.How does Aetrix verify that NCP662SQ15T1G is sourced from the original manufacturer or authorized distributors?
All NCP662SQ15T1G 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 NCP662SQ15T1G meets industry standards.
7.What is the process for return or replacement of NCP662SQ15T1G?
All NCP662SQ15T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCP662SQ15T1G, 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 NCP662SQ15T1G part is unused and in its original packaging.
Return procedure for NCP662SQ15T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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