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onsemi NCV8501PDW33R2G
- Part No.:
- NCV8501PDW33R2G
- Manufacturer:
- onsemi
- Package:
- 16-SOIC (0.295", 7.50mm Width) Exposed Pad
- Datasheet:
-
NCV8501PDW33R2G.pdf
- Description:
- IC REG LINEAR 3.3V 150MA 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,783
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Product details
Overview
NCV8501PDW33R2G from onsemi is a 3.3 V, 150 mA automotive-grade LDO linear regulator with ENABLE, active RESET (with programmable delay), and FLAG monitor functions. It delivers ±2.0% output accuracy, 0.6 V max dropout at full load, and 90 µA quiescent current at light load - optimized for battery-powered microprocessor systems in harsh environments.
For engineers reviewing the NCV8501PDW33R2G datasheet, pinout, applications, or equivalent options, key selection criteria include its −15 V to +45 V input range, 60 V peak transient tolerance, early-warning FLAG functionality, RESET operation down to 1.0 V output, and SOW-16 exposed-pad package for enhanced thermal performance in automotive ECUs and ADAS modules.
Technical Context
The NCV8501PDW33R2G integrates a precision bandgap reference, error amplifier, and independent RESET/FLAG comparators. Its RESET circuit operates reliably even when VOUT drops to 1.0 V, while the FLAG comparator provides early warning via MON pin hysteresis (20–100 mV) and programmable threshold (1.10–1.31 V).
It features fault protection including reverse-battery (−15 V), short-circuit, thermal overload, and 60 V load-dump transient immunity. The ENABLE pin supports direct battery connection with internal pull-down and overvoltage protection up to 11 V, enabling robust system-level power sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±2.0% - ensures stable MCU core voltage under temperature and load variation. |
| Max Output Current | 150 mA - sufficient for low-power microcontrollers, sensors, and CAN transceivers. |
| Dropout Voltage | 600 mV max at 150 mA - enables operation with VIN as low as 3.9 V while maintaining regulation. |
| Quiescent Current | 90 µA at 100 µA load - extends battery life in always-on automotive modules. |
| RESET Threshold | 3.00 V (rising), 2.97 V (falling) - provides clean, hysteresis-stabilized reset signaling for microprocessors. |
| Input Voltage Range | −15 V to +45 V DC - withstands reverse battery, cold crank, and load dump transients per ISO 7637-2. |
| FLAG Monitor Threshold | 1.20 V typical on MON pin - configurable via external resistor divider to trigger warning before RESET. |
Pinout & Package
SOW-16 exposed pad (Case 751AG) package with thermal enhancement; 16-pin wide-body SOIC with exposed die pad for improved heat dissipation in high-ambient automotive applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Main input supply - accepts −15 V to +45 V, includes 60 V transient protection. |
| 2 | MON | Early-warning comparator input - connects to resistor divider for programmable FLAG activation. |
| 3 | ENABLE | Active-high enable - powers device on; internal pull-down ensures safe default state. |
| 4 | DELAY | RESET timing capacitor node - sources 2.5 µA typical to set delay time (e.g., 23.8 ms with 33 nF). |
| 5–6, 10–12, 14–15 | NC | No connection - must remain unconnected per design; not internally bonded. |
| 7 | GND | Ground reference - all GND pins must be connected to system ground plane. |
| 8 | RESET | Open-collector active-low reset output - valid down to VOUT = 1.0 V; requires external pull-up. |
| 9 | FLAG | Open-collector early-warning output - asserts low when MON voltage falls below threshold. |
| 10 | VOUT | Regulated 3.3 V output - ±2.0% accuracy, 150 mA capable, requires 10 µF output capacitor. |
| 16 | Exposed Pad | Thermal and electrical ground - must be soldered to PCB copper area for RJA ≤ 56 °C/W. |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | NCV prefix indicates AEC-Q100 compliance and change-controlled manufacturing for automotive use. |
| Early-warning FLAG | Provides programmable pre-reset alert via MON pin, giving MCU time to save state before shutdown. |
| RESET with DELAY | External capacitor sets precise reset timeout (e.g., 23.8 ms with 33 nF), preventing spurious resets during transients. |
| Robust input protection | Withstands −15 V reverse battery, 60 V load dump, short circuit, and thermal overload without latch-up. |
| Pb-free SOW-16 package | Exposed thermal pad reduces RJA to 56 °C/W - critical for sustained 150 mA operation in 105 °C under-hood environments. |
Applications
| Body Control Module (BCM) | Advanced Driver Assistance Systems (ADAS) |
|---|---|
|
Use Scenario: Powering low-voltage microcontrollers and CAN transceivers in vehicle door modules and lighting controllers. IC Role / Device Role / Timing Role: Primary 3.3 V LDO supplying MCU core logic and communication peripherals with fail-safe reset signaling. Use Value: Enables reliable cold-crank operation (VIN ≥ 3.9 V) and survives ISO 7637-2 Pulse 5a load dump transients up to 60 V. |
Use Scenario: Supplying vision processing units and radar sensor interfaces requiring stable voltage and deterministic reset behavior. IC Role / Device Role / Timing Role: Regulator with FLAG-triggered warning and delayed RESET ensures graceful shutdown of image buffers before power loss. Use Value: FLAG hysteresis (20–100 mV) prevents chatter during brownout; RESET remains valid down to 1.0 V output. |
| Infotainment Head Unit | Electric Power Steering (EPS) |
|
Use Scenario: Providing auxiliary 3.3 V rail for touch controller, audio codec, and display interface ICs. IC Role / Device Role / Timing Role: ENABLE-controlled LDO enabling software-initiated power gating and low-quiescent sleep mode (12 µA). Use Value: 90 µA IQ at light load extends standby battery life; ENABLE pin tolerates direct 12 V battery connection. |
Use Scenario: Powering motor control MCU and position sensor signal conditioning circuits in safety-critical steering systems. IC Role / Device Role / Timing Role: Safety-relevant regulator with monitored output and latched RESET for ASIL-B functional safety support. Use Value: Independent RESET comparator guarantees valid reset assertion even during deep undervoltage events (VOUT ≥ 1.0 V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV8501D33R2G | Same electrical specs but SO-8 (Case 751-07) package; no exposed thermal pad; RJA = 165 °C/W vs. 56 °C/W. | Limited to lower ambient temperatures (<85 °C) and <75 mA continuous load due to higher thermal resistance. | Select for cost-sensitive non-under-hood applications where PCB space and thermal mass constrain SOW-16 use. |
| TLV73333PDBVR | 3.3 V, 300 mA, 50 µA IQ, but lacks RESET/FLAG/DELAY; rated only to 6 V input; no automotive qualification. | Not suitable for automotive transients or safety-critical monitoring; limited to consumer/portable designs. | Choose only for non-automotive, low-power, single-rail applications without system-level supervision requirements. |
Compared with NCV8501PDW33R2G, the SO-8 NCV8501D33R2G offers identical regulation and supervision features but reduced thermal capability, while TLV73333PDBVR trades supervision and ruggedness for higher current and lower IQ in non-automotive contexts.
Availability
NCV8501PDW33R2G is available at Aetrix Electronics and suitable for automotive electronic control units, ADAS sensor modules, and infotainment systems requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for NCV8501PDW33R2G 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, high-reliability components for automotive, industrial, and cloud power applications.
The NCV8501 series was designed specifically for automotive microprocessor power management - integrating precision regulation, system supervision (RESET/FLAG/DELAY), and robust fault protection into a single monolithic IC.
FAQ
What is the maximum input voltage rating for NCV8501PDW33R2G?
The NCV8501PDW33R2G supports a continuous DC input voltage range of −15 V to +45 V. It also withstands transient peaks up to +60 V (e.g., ISO 7637-2 Load Dump Pulse 5a), making it suitable for 12 V and 24 V automotive systems. Exceeding +45 V continuously may damage the device.
How does the FLAG function work in NCV8501PDW33R2G?
The FLAG function in NCV8501PDW33R2G uses an internal comparator referenced to the bandgap (typical threshold 1.20 V on MON pin). When the MON voltage falls below this threshold - set by an external resistor divider - FLAG pulls low to warn the microprocessor of impending RESET. Hysteresis (20–100 mV) prevents oscillation during slow voltage decay.
Can NCV8501PDW33R2G be used without connecting the DELAY pin?
Yes - the DELAY pin can be left unconnected if a fixed, immediate RESET response is desired. However, doing so disables the programmable delay feature. For guaranteed RESET timing, connect a capacitor (e.g., 33 nF) between DELAY and GND; the device sources ~2.5 µA to charge it, setting tDELAY ≈ CDELAY × (VDT − VRESET_LOW) / ICHARGE.
What is the thermal performance of NCV8501PDW33R2G in its SOW-16 package?
The NCV8501PDW33R2G in SOW-16 (Case 751AG) achieves RJA = 56 °C/W with standard 2 oz. copper on JEDEC 2S board, and RJC = 15 °C/W. With proper PCB thermal pad layout (≥400 mm² copper), it sustains 150 mA at TA = 105 °C. Derating is required above 125 °C junction temperature.
Is NCV8501PDW33R2G pin-compatible with other members of the NCV8501 family?
Yes - all NCV8501 variants in the SOW-16 package (e.g., NCV8501PDW25R2G, NCV8501PDW50R2G) share identical pinout and footprint. Only the output voltage differs; no PCB changes are needed when substituting across fixed-voltage versions. Adjustable versions (e.g., NCV8501PDWADJR2G) require different external feedback resistors but same pin mapping.
NCV8501PDW33R2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width) Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 45V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 125 µA
- Current - Supply (Max):
- 19 mA
- PSRR:
- -
- Control Features:
- Enable, Reset
- Protection Features:
- Over Temperature, Reverse Polarity, Short Circuit
- Operating Temperature:
- -40°C ~ 150°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
NCV8501PDW33R2G FAQ
1.How can I place an order for NCV8501PDW33R2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8501PDW33R2G 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 NCV8501PDW33R2G reliable?
The price and inventory of NCV8501PDW33R2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8501PDW33R2G is usually 5 days.
3.What payment methods are accepted for NCV8501PDW33R2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8501PDW33R2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV8501PDW33R2G?
NCV8501PDW33R2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8501PDW33R2G 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 NCV8501PDW33R2G?
For technical support, including NCV8501PDW33R2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8501PDW33R2G requirements.
6.How does Aetrix verify that NCV8501PDW33R2G is sourced from the original manufacturer or authorized distributors?
All NCV8501PDW33R2G 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 NCV8501PDW33R2G meets industry standards.
7.What is the process for return or replacement of NCV8501PDW33R2G?
All NCV8501PDW33R2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8501PDW33R2G, 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 NCV8501PDW33R2G part is unused and in its original packaging.
Return procedure for NCV8501PDW33R2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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