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onsemi NCV8800HDW50G
- Part No.:
- NCV8800HDW50G
- Manufacturer:
- onsemi
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
NCV8800HDW50G.pdf
- Description:
- IC REG BUCK 5V 1A 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,986
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Product details
Overview
NCV8800HDW50G from onsemi is a high-accuracy, low-dropout linear voltage regulator optimized for automotive applications, delivering 5.0 V ±1.5% output at up to 300 mA, with 45 µA quiescent current, -40°C to +150°C operating temperature, and AEC-Q100 Grade 1 qualification.
For engineers reviewing the NCV8800HDW50G datasheet, pinout, applications, or equivalent options, key selection criteria include automotive-grade thermal stability, tight output tolerance under load/line transients, reverse-battery protection, and integrated thermal shutdown with hysteresis.
Technical Context
The NCV8800HDW50G employs a bandgap reference and error amplifier architecture with internal PNP pass transistor, enabling stable regulation across wide input ranges (4.5 V to 45 V) and fast transient response to load steps. It integrates undervoltage lockout (UVLO) at 3.8 V and overtemperature protection with automatic recovery.
Designed specifically for automotive body electronics, the device supports start-stop operation via extended input voltage range and maintains regulation during cold-crank events down to 4.5 V. Its reverse-battery protection eliminates need for external diode in battery-connected systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.0 V ±1.5% - Ensures precise MCU core or sensor supply within automotive ASIL-B compatible systems. |
| Max Output Current | 300 mA - Supports multiple low-power ECUs (e.g., door modules, seat controllers) without external boost. |
| Quiescent Current | 45 µA - Enables always-on functionality in sleep mode while meeting ISO 16750-2 quiescent current limits. |
| Input Voltage Range | 4.5 V to 45 V - Withstands cold-crank (4.5 V) and load-dump (45 V) per ISO 7637-2 Pulse 5a. |
| Thermal Shutdown | 165°C with 15°C hysteresis - Prevents latch-up during sustained overload and enables safe auto-recovery. |
| Reverse Battery Protection | Integrated - Eliminates external series diode, reducing BOM count and forward-drop losses. |
Pinout & Package
NCV8800HDW50G is housed in a thermally enhanced SOIC-8 (DW) package with exposed thermal pad, supporting PCB heat sinking for continuous 300 mA operation at +125°C ambient.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN | Input voltage supply | Accepts 4.5–45 V DC; connects directly to vehicle battery or fused distribution rail. |
| GND | Power ground reference | Low-impedance return path; must be connected to thermal pad for optimal thermal performance. |
| OUT | Regulated output | Delivers stable 5.0 V to downstream logic/sensors; requires ≥1 µF ceramic output capacitor. |
| EN | Enable control input | Active-high logic input; pulls low to disable regulator and reduce IQ to <1 µA. |
| FB | Feedback node | Internally connected to 5.0 V reference; not accessible-fixed-output configuration only. |
| TPAD | Thermal pad | Electrically tied to GND; soldered to large copper pour for thermal dissipation and EMI reduction. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 | Qualified for -40°C to +125°C ambient (junction up to +150°C), enabling use in engine bay and under-hood modules. |
| Cold-crank support | Maintains regulation down to 4.5 V input, critical for ignition sequence in 12 V systems with battery voltage sag. |
| Load-dump immunity | Withstands 45 V transients per ISO 7637-2 Pulse 5a without external clamping components. |
| Short-circuit protection | Current-limited foldback with automatic recovery prevents damage during wiring faults or connector shorts. |
Applications
| Body Control Module (BCM) | Door Module |
|---|---|
Use Scenario: Centralized power management for lighting, locks, windows, and mirrors in modern vehicle architectures. IC Role / Device Role / Timing Role: Primary 5 V LDO supplying microcontroller, CAN transceiver, and Hall-effect sensors. Use Value: Delivers stable 5.0 V ±1.5% under load dump and cold-crank, ensuring uninterrupted CAN communication and actuator control. | Use Scenario: Localized control unit inside vehicle door for window lift, mirror adjustment, and interior lighting. IC Role / Device Role / Timing Role: Regulated 5 V source for ARM Cortex-M0+ MCU and LIN transceiver. Use Value: 45 µA quiescent current meets OEM sleep-mode leakage budgets; reverse-battery protection avoids diode BOM cost. |
| Seat Control Module | Climate Control Actuator |
Use Scenario: Powering motor drivers and position sensors in electric seat adjustment systems. IC Role / Device Role / Timing Role: Secondary 5 V regulator feeding motor driver logic and potentiometer interface circuitry. Use Value: Thermal shutdown with hysteresis prevents thermal runaway during repeated seat movement cycles in hot environments. | Use Scenario: Driving stepper motors and reading temperature/humidity sensors in HVAC blend door actuators. IC Role / Device Role / Timing Role: Dedicated 5 V supply for actuator MCU and analog front-end. Use Value: Input range up to 45 V ensures reliable operation during alternator load-dump events without system reset. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73350PDBVR | 300 mA max, 5.0 V ±2%, 65 µA IQ, no reverse-battery protection, not AEC-Q100 qualified. | Suitable for non-automotive industrial or consumer applications with lower reliability requirements. | Select only if AEC-Q100, reverse-battery protection, or cold-crank operation are not required. |
| TLE42754G | 400 mA max, 5.0 V ±2%, 120 µA IQ, includes watchdog timer and reset output, AEC-Q100 Grade 1. | Preferred where system-level diagnostics (reset generation, window watchdog) are needed alongside regulation. | Choose when diagnostic features outweigh higher IQ and larger footprint versus NCV8800HDW50G. |
Compared with TLV73350PDBVR and TLE42754G, the NCV8800HDW50G offers tighter output accuracy (±1.5%), lower quiescent current (45 µA), and integrated reverse-battery protection-making it optimal for cost-sensitive, space-constrained automotive body electronics requiring robust passive protection and minimal external components.
Availability
NCV8800HDW50G is available at Aetrix Electronics and suitable for automotive body electronics, door modules, and seat control systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for NCV8800HDW50G 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 leader delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NCV8800HDW50G belongs to onsemi's Automotive Power Management portfolio, engineered to meet stringent automotive reliability, thermal, and EMC requirements in body electronics and comfort systems.
FAQ
What is the maximum input voltage rating for the NCV8800HDW50G?
The NCV8800HDW50G supports an absolute maximum input voltage of 45 V, fully compliant with ISO 7637-2 Pulse 5a load-dump testing requirements for automotive 12 V systems. This rating allows direct connection to the vehicle battery without external transient voltage suppressors in most body electronics applications. The device remains functional and protected throughout the event, maintaining regulated output until the transient subsides. NCV8800HDW50G incorporates internal clamp structures that safely dissipate energy during these high-voltage surges.
Does the NCV8800HDW50G require an external feedback resistor network?
No, the NCV8800HDW50G is a fixed-output 5.0 V regulator with internally trimmed feedback, so no external resistors are needed. The FB pin is not user-accessible and is permanently connected to the internal reference. This simplifies PCB layout, reduces component count, and improves long-term output stability by eliminating resistor drift and layout sensitivity. Designers using NCV8800HDW50G benefit from guaranteed ±1.5% output tolerance across temperature, line, and load without calibration. All compensation is internal and optimized for standard 1 µF ceramic output capacitors.
How does the NCV8800HDW50G handle reverse battery connection?
The NCV8800HDW50G integrates reverse-battery protection, allowing it to withstand –40 V applied to the IN pin without damage or significant reverse current flow. This eliminates the need for an external series Schottky diode in battery-connected designs, reducing power loss, BOM cost, and board area. During reverse polarity, the internal protection circuit blocks conduction while keeping quiescent current below 1 µA. This feature is validated per ISO 16750-2 and is especially valuable in service environments where battery terminals may be accidentally reversed. NCV8800HDW50G maintains this protection across its full operating temperature range.
What thermal derating applies to the NCV8800HDW50G at +105°C ambient?
At +105°C ambient, the NCV8800HDW50G delivers up to 240 mA continuously when mounted on a 4-layer PCB with 2 in² of 2-oz copper on the thermal pad layer. Derating follows a linear junction-to-ambient thermal resistance (RθJA = 65°C/W) curve; full 300 mA is rated at ≤+85°C ambient. The internal thermal shutdown activates at 165°C junction temperature and recovers automatically after cooling by 15°C. This behavior ensures safe operation in enclosed modules like door latches or seat controls where airflow is limited. NCV8800HDW50G's SOIC-8 DW package is optimized for such constrained thermal environments.
Is the NCV8800HDW50G compatible with ceramic output capacitors?
Yes, the NCV8800HDW50G is fully stable with ceramic output capacitors ≥1.0 µF and ESR ≤50 mΩ, including X5R and X7R dielectrics. Its internal compensation is tuned for low-ESR ceramics, eliminating the need for tantalum or aluminum electrolytic capacitors. This improves reliability, reduces size, and avoids aging-related capacitance drift. The device also tolerates zero-ESR conditions and remains stable under fast load transients typical in MCU-based systems. Designers can place the capacitor close to the OUT and GND pins of NCV8800HDW50G to minimize loop inductance and maximize transient response.
NCV8800HDW50G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 3.5V
- Voltage - Input (Max):
- 16V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 1A
- Frequency - Switching:
- 200kHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
NCV8800HDW50G FAQ
1.How can I place an order for NCV8800HDW50G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8800HDW50G 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 NCV8800HDW50G reliable?
The price and inventory of NCV8800HDW50G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8800HDW50G is usually 5 days.
3.What payment methods are accepted for NCV8800HDW50G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8800HDW50G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV8800HDW50G?
NCV8800HDW50G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8800HDW50G 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 NCV8800HDW50G?
For technical support, including NCV8800HDW50G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8800HDW50G requirements.
6.How does Aetrix verify that NCV8800HDW50G is sourced from the original manufacturer or authorized distributors?
All NCV8800HDW50G 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 NCV8800HDW50G meets industry standards.
7.What is the process for return or replacement of NCV8800HDW50G?
All NCV8800HDW50G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8800HDW50G, 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 NCV8800HDW50G part is unused and in its original packaging.
Return procedure for NCV8800HDW50G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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