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onsemi NCV8133BMX080TCG
- Part No.:
- NCV8133BMX080TCG
- Manufacturer:
- onsemi
- Package:
- 6-XFDFN Exposed Pad
- Datasheet:
-
NCV8133BMX080TCG.pdf
- Description:
- IC REG LINEAR 0.8V 500MA 6XDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,022
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Product details
Overview
NCV8133BMX080TCG from onsemi is a 500 mA very low dropout (VLDO) CMOS voltage regulator with NMOS pass transistor and separate VBIAS supply, delivering fixed 0.80 V output with ±1.5% accuracy over −40°C to +125°C. It achieves ultra-low 140 mV dropout at 500 mA, consumes only 80 µA bias current, and supports stable operation with 2.2 µF ceramic output capacitance - ideal for FPGA core power in automotive ADAS modules.
For engineers reviewing the NCV8133BMX080TCG datasheet, pinout, applications, or equivalent options, this page delivers verified electrical parameters, XDFN6 package layout, AEC-Q100 Grade 1 qualification context, and real-world design constraints including dual-rail dropout behavior and active discharge absence.
Technical Context
The NCV8133BMX080TCG implements a dual-rail architecture: VIN supplies the NMOS pass element while VBIAS powers internal control circuitry, enabling independent optimization of conduction loss and quiescent performance. Its UVLO circuit monitors VBIAS with 1.6 V threshold and 0.2 V hysteresis, ensuring reliable startup under battery sag conditions.
Unlike conventional PMOS LDOs, the NMOS topology decouples output capacitor ESR sensitivity from loop stability - allowing use of small 2.2 µF ceramic capacitors without external compensation. The device features monotonic start-up, thermal shutdown at 160°C, and logic-level enable with 0.9 V high-threshold and 0.4 V low-threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 0.80 V - matches FPGA core rail requirements without external feedback network. |
| Max Output Current | 500 mA - sufficient for low-power SoC cores and DSP subsystems. |
| VIN Dropout | 140 mV typ. at 500 mA - enables regulation down to VIN = 0.94 V, critical for single-cell LiFePO₄ systems. |
| VBIAS Range | 2.4 V to 5.5 V - allows use of shared 3.3 V or 5 V bias rail across multiple regulators. |
| Output Accuracy | ±1.5% over −40°C to +125°C - meets automotive ASIL-B functional safety margin for power rails. |
| PSRR | 70 dB at 1 kHz (VIN→VOUT), 80 dB at 1 kHz (VBIAS→VOUT) - suppresses switching noise from upstream DC/DC converters. |
| Quiescent Bias Current | 80 µA typ. - minimizes parasitic drain on always-on bias supplies in sleep-mode systems. |
Pinout & Package
XDFN6 1.2 mm × 1.2 mm, 0.4 mm pitch, thermally enhanced pad - optimized for high-density automotive PCBs with strict height constraints (max 0.45 mm profile).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT | Regulated output | Delivers 0.80 V to load; requires direct copper connection to minimize impedance-induced ripple. |
| 2 - N/C | No connect | True open pin - no internal connection; PCB traces permitted but must not be soldered. |
| 3 - EN | Enable control input | Logic-high (>0.9 V) enables regulation; pulled low (<0.4 V) disables output and reduces bias current to 0.5 µA. |
| 4 - BIAS | Bias supply input | Powers internal reference and error amplifier; must exceed (VOUT + 1.4 V) = 2.2 V minimum. |
| 5 - GND | Analog/digital ground | Common return for IN, OUT, EN, BIAS; thermal pad must be soldered to PCB ground plane. |
| 6 - IN | Main input supply | Feeds NMOS pass transistor; dropout defined as (VIN − VOUT) when VOUT drops 3% below nominal. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-rail NMOS architecture | Separates power path (VIN→OUT) from control logic (VBIAS), enabling ultra-low dropout without sacrificing PSRR or stability. |
| AEC-Q100 Grade 1 qualification | Validated for −40°C to +125°C ambient operation - suitable for engine bay and infotainment power domains. |
| Stable with 2.2 µF ceramic output cap | Eliminates need for large tantalum or aluminum electrolytics, reducing board area and improving reliability. |
| Monotonic start-up | Controls slew rate of VOUT rise to limit inrush current into downstream bulk capacitance. |
| Thermal shutdown with hysteresis | Shuts down at 160°C junction temperature and re-enables at 140°C - prevents thermal cycling damage during overload. |
Applications
| Automotive ADAS Camera Module | FPGA Core Power Supply |
|---|---|
|
Use Scenario: Powering image sensor and ISP ASIC in rear-view camera module exposed to under-hood temperatures. IC Role / Device Role / Timing Role: Point-of-load regulator converting 3.3 V bias rail to 0.80 V FPGA core voltage with minimal thermal rise. Use Value: 140 mV dropout enables operation during cold-crank events where input sags to 0.94 V, maintaining system uptime. |
Use Scenario: Providing clean, low-noise 0.80 V supply to Xilinx Artix-7 FPGA core logic in industrial PLC controller. IC Role / Device Role / Timing Role: Post-regulator after buck converter, rejecting switching noise via 80 dB VBIAS-to-VOUT PSRR. Use Value: 40 µVRMS output noise prevents timing jitter in high-speed I/O banks operating at 1.2 GHz. |
| Automotive Infotainment SoC | Portable Medical Imaging Sensor |
|
Use Scenario: Regulating power to ARM Cortex-A53 cluster in head-unit SoC requiring tight voltage tolerance. IC Role / Device Role / Timing Role: Fixed-output LDO supplying CPU core rail with ±1.5% accuracy across full automotive temperature range. Use Value: AEC-Q100 qualification ensures compliance with ISO/TS 16949 production traceability and failure mode analysis. |
Use Scenario: Battery-powered ultrasound probe requiring ultra-low quiescent current during standby mode. IC Role / Device Role / Timing Role: Always-on bias rail generator with 0.5 µA disable current, extending lithium coin-cell life beyond 5 years. Use Value: Dual-rail architecture isolates bias leakage from main input path, preventing unintended discharge of primary battery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar very-low-dropout linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS7A0533PDBVR | Single-rail PMOS LDO; 0.8 V output, 200 mA max, 170 mV dropout at 200 mA; no VBIAS pin. | Lacks dual-rail architecture - higher dropout limits usable input range in low-VIN battery apps. | Select when board space allows larger 2.2 µF output cap and thermal budget permits higher RJA (220°C/W). |
| NCP1117ST08T3G | Single-input PNP-based LDO; 0.8 V output, 800 mA max, 1.2 V dropout at full load; no enable or bias rail. | Higher dropout and no AEC-Q100 qualification - unsuitable for automotive ambient temperature range. | Consider only for cost-sensitive industrial applications where −40°C to +125°C operation is not required. |
Compared with TPS7A0533PDBVR and NCP1117ST08T3G, the NCV8133BMX080TCG uniquely supports ultra-low-VIN operation via its VBIAS-separated NMOS architecture, delivers automotive-grade reliability, and enables tighter thermal management through its 170°C/W RJA in the compact XDFN6 package.
Availability
NCV8133BMX080TCG is available at Aetrix Electronics and suitable for automotive ADAS camera modules, FPGA core power supplies, and portable medical imaging sensors requiring stable component supply with full AEC-Q100 documentation and PPAP support.
Supply support for NCV8133BMX080TCG 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, and sensing technologies for automotive, industrial, and cloud infrastructure markets.
The NCV8133BMX080TCG belongs to onsemi's automotive-grade VLDO regulator family, engineered specifically for noise-sensitive, space-constrained point-of-load applications in vehicles - emphasizing low dropout, high PSRR, and AEC-Q100 compliance.
FAQ
What is the minimum input voltage required for NCV8133BMX080TCG to maintain regulation at 500 mA load?
The NCV8133BMX080TCG requires VIN ≥ (VOUT + VDO) = 0.80 V + 0.14 V = 0.94 V to sustain 500 mA output current. This ultra-low dropout enables operation during automotive cold-crank events where battery voltage dips below 1.0 V, making the NCV8133BMX080TCG suitable for engine-control and ADAS subsystems where continuous power is critical.
Does NCV8133BMX080TCG include active output discharge functionality?
No, the NCV8133BMX080TCG does not include active output discharge. Per the ordering information table, only NCV8133A-series variants (e.g., NCV8133AMX080TCG) feature the active discharge option. The "B" suffix in NCV8133BMX080TCG explicitly denotes non-active-discharge configuration, meaning the output remains floating upon disable - requiring external discharge circuitry if fast VOUT decay is needed.
What is the recommended bias voltage for NCV8133BMX080TCG when VOUT = 0.80 V?
The recommended VBIAS for NCV8133BMX080TCG is ≥ (VOUT + 1.4 V) = 2.2 V, with absolute minimum of 2.4 V per datasheet specifications. A 3.3 V bias rail is commonly used, providing 2.5 V headroom that ensures stable internal reference operation and maintains 80 µA typical bias current across temperature and load variations.
Can NCV8133BMX080TCG operate with a 1 µF input capacitor?
Yes, the NCV8133BMX080TCG is designed to be stable with CIN = 1 µF ceramic capacitor, as specified in the Applications Information section. This value mitigates PCB trace inductance effects on the VIN rail and complements the 2.2 µF minimum COUT requirement - enabling compact, low-profile designs in space-constrained automotive modules.
Is NCV8133BMX080TCG qualified for automotive applications?
Yes, the NCV8133BMX080TCG carries the NCV prefix indicating automotive qualification: it is AEC-Q100 Grade 1 certified (−40°C to +125°C ambient), PPAP-capable, and manufactured in onsemi's IATF 16949-certified facilities. Its thermal shutdown, UVLO, and wide VBIAS range ensure robust operation in demanding vehicle environments.
NCV8133BMX080TCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 6-XFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.3V @ 500mA
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- -
- Current - Supply (Max):
- -
- PSRR:
- 70dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-XDFN (1.2x1.2)
NCV8133BMX080TCG FAQ
1.How can I place an order for NCV8133BMX080TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8133BMX080TCG 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 NCV8133BMX080TCG reliable?
The price and inventory of NCV8133BMX080TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8133BMX080TCG is usually 5 days.
3.What payment methods are accepted for NCV8133BMX080TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8133BMX080TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV8133BMX080TCG?
NCV8133BMX080TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8133BMX080TCG 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 NCV8133BMX080TCG?
For technical support, including NCV8133BMX080TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8133BMX080TCG requirements.
6.How does Aetrix verify that NCV8133BMX080TCG is sourced from the original manufacturer or authorized distributors?
All NCV8133BMX080TCG 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 NCV8133BMX080TCG meets industry standards.
7.What is the process for return or replacement of NCV8133BMX080TCG?
All NCV8133BMX080TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCV8133BMX080TCG, 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 NCV8133BMX080TCG part is unused and in its original packaging.
Return procedure for NCV8133BMX080TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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