My Inquiry
My Account
onsemi NCV4269CPA50R2G
- Part No.:
- NCV4269CPA50R2G
- Manufacturer:
- onsemi
- Package:
- 14-TSSOP (0.173", 4.40mm Width) Exposed Pad
- Datasheet:
-
NCV4269CPA50R2G.pdf
- Description:
- IC REG LINEAR 5V 150MA 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,990
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
NCV4269CPA50R2G from onsemi is a 5.0 V ±2.0% AEC-Q100 Grade 1 qualified micropower LDO linear regulator delivering up to 150 mA output current with 0.23 V typical dropout at 100 mA and 125 µA quiescent current at 1 mA load. It integrates active reset (RO), sense input/output (SI/SO) for early warning, adjustable reset threshold (RADJ), and delay timing (D) - designed for automotive microprocessor power management in battery-sensitive systems.
For engineers reviewing the NCV4269CPA50R2G datasheet, pinout, applications, or equivalent options, key selection considerations include its guaranteed operation down to VQ = 1.0 V during reset, −40 V reverse voltage tolerance, +60 V transient immunity, SI/SO comparator-based pre-reset signaling, and TSSOP-14 EP package thermal performance (RθJA = 77.3 °C/W).
Technical Context
The NCV4269CPA50R2G implements a PNP-based LDO architecture with precision trimmed bandgap reference and base-drive quiescent current control to maintain regulation under low-input conditions. Its independent reset generator uses an internal 6.5 µA charge current to drive an external capacitor on the D pin, enabling programmable power-on and undervoltage reset delays.
Reset threshold adjustment is achieved via external resistor divider on RADJ, shifting VRT from 4.65 V down to ~3.5 V while maintaining functional validity down to VQ = 1.0 V. The SI/SO monitor operates using a dedicated comparator referenced to 1.20 V (typical), providing early warning before RO asserts low - critical for safe microprocessor shutdown sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.00 V ±2.0% - stable supply for 5 V logic rails; guaranteed over −40°C to +150°C junction temperature. |
| Max Output Current | 150 mA - sufficient for MCU core + peripherals in entry-level automotive ECUs. |
| Quiescent Current | 125 µA at 1 mA load - enables >10-year battery life in always-on vehicle modules (e.g., door modules, body controllers). |
| Dropout Voltage | 0.23 V (typ) at 100 mA - supports operation down to VI = 5.23 V, critical during cold-crank (6–7 V battery dips). |
| Reset Threshold | 4.65 V (typ), adjustable to ~3.5 V via RADJ - allows custom brown-out detection aligned with system MCU requirements. |
| Delay Timing | 28 ms (typ) with 100 nF capacitor on D pin - provides configurable reset hold-off time for controlled boot sequence. |
| Thermal Shutdown | 150°C (min) - protects against sustained overload or ambient overheating in enclosed automotive enclosures. |
Pinout & Package
TSSOP-14 EP (Case 948AW), thermally enhanced with exposed pad (EPAD) for improved heat dissipation; RθJA = 77.3 °C/W (2 oz copper, 150 mm²), RθJPad = 12.6 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 14 | SO / RO | Sense Output (open-collector, 20 kΩ internal pullup to Q); Reset Output (open-collector NPN, 20 kΩ internal pullup to Q) - both provide early-warning and hard-reset signals to MCU. |
| 2, 3 | RADJ / D | Reset Threshold Adjust (voltage divider input); Reset Delay (6.5 µA constant-current source for external timing capacitor) - enable customizable reset behavior. |
| 4–6, 9–12 | GND | Ground terminals - multiple pins reduce ground impedance and improve noise immunity in noisy automotive environments. |
| 7 | Q | 5 V regulated output - requires ≥2.2 µF ceramic capacitor (ESR < 2.5 Ω) for stability; connects to internal pullups for RO/SO. |
| 8 | I | Input - connect directly to GND with ceramic capacitor; withstands −40 V reverse and +60 V transients per ISO16750-2. |
| 13 | SI | Sense Input - comparator input for early-warning threshold (1.20 V typ); connect to voltage divider for custom trip point. |
| EPAD | Thermal Pad | Exposed pad - must be connected to PCB ground plane for optimal thermal performance and EMC robustness. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for −40°C to +125°C ambient operation - meets automotive reliability and lifetime requirements. |
| Integrated SI/SO early-warning circuit | Provides programmable pre-reset signal (SO) allowing MCU to complete critical tasks before RO asserts low. |
| Adjustable reset threshold (RADJ) | Enables precise brown-out detection down to ~3.5 V without external comparators or voltage references. |
| Load dump and reverse-battery protection | Withstands +60 V transients (ISO16750-2 Class A) and −40 V reverse polarity - eliminates need for external TVS or diodes. |
| Low-dropout PNP architecture | Maintains regulation at VI as low as 5.23 V (at 100 mA), supporting cold-crank operation in 12 V automotive systems. |
Applications
| Body Control Module (BCM) | Door Module Power Management |
|---|---|
Use Scenario: Centralized power distribution for interior lighting, window lift, mirror controls, and keyless entry in modern vehicles. IC Role / Device Role / Timing Role: Primary 5 V LDO supplying MCU, CAN transceiver, and analog sensors; RO triggers MCU reset during battery dip; SI monitors auxiliary rail for fail-safe shutdown. Use Value: 125 µA quiescent current extends sleep-mode battery life; −40 V reverse protection prevents damage during jump-starts. |
Use Scenario: Powering door ECU with integrated window motor driver, lock actuator, and proximity sensor. IC Role / Device Role / Timing Role: Regulator and supervisor IC - Q powers MCU and drivers; SO warns of impending reset due to low battery; D pin configures 50 ms delay for safe motor coast-down. Use Value: Adjustable VRT via RADJ aligns reset point with door module's 4.2 V MCU brown-out spec; TSSOP-14 EP enables compact layout with thermal margin. |
| Instrument Cluster Microcontroller Supply | Telematics Control Unit (TCU) Standby Rail |
Use Scenario: Providing clean, monitored 5 V supply to cluster MCU and display interface in digital dashboards. IC Role / Device Role / Timing Role: Precision LDO with dual supervision - RO resets display controller on undervoltage; SI monitors 3.3 V rail to preemptively warn of memory corruption risk. Use Value: ±2.0% output accuracy ensures reliable ADC reference; 1.0 V reset validity guarantees RO assertion even during deep brown-out. |
Use Scenario: Always-on 5 V rail for GPS/GNSS receiver, cellular modem, and CAN wake-up logic in connected car platforms. IC Role / Device Role / Timing Role: Low-IQ regulator with programmable delay - Q powers modem in sleep mode; D pin sets 100 ms reset hold-off after ignition-off to flush logs. Use Value: 77.3 °C/W RθJA (TSSOP-14 EP) sustains 150 mA at 85°C ambient without heatsink; Pb-free packaging complies with automotive RoHS. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator with reset and supervision applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV4279CPA50R2G | Includes external-pullup-capable logic outputs (no internal 20 kΩ pullups); otherwise identical specs and pinout. | Required when RO/SO must be pulled to separate voltage domains (e.g., 3.3 V MCU I/O) instead of Q (5 V). | Select NCV4279CPA50R2G only if external pullup resistors are needed; NCV4269CPA50R2G is preferred for simpler 5 V-only designs. |
| TLV70750PDP | Lower IQ (25 µA), smaller SOT-23-5 package, no SI/SO or adjustable reset; max 300 mA output. | Lacks supervision features - suitable only for basic 5 V regulation without reset/early-warning needs. | Choose TLV70750PDP for cost- and space-constrained non-safety-critical applications where supervision is handled externally. |
Compared with NCV4279CPA50R2G, the NCV4269CPA50R2G offers integrated pullups simplifying BOM and layout; versus TLV70750PDP, it trades lower quiescent current for comprehensive automotive-grade supervision - making it uniquely suited for ASIL-B adjacent functions requiring coordinated reset and warning signaling.
Availability
NCV4269CPA50R2G is available at Aetrix Electronics and suitable for automotive body electronics, instrument clusters, and telematics systems requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for NCV4269CPA50R2G 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, analog, sensor, and connectivity solutions for automotive, industrial, and cloud infrastructure markets.
The NCV4269C product line delivers automotive-qualified LDO regulators with integrated supervision - engineered specifically for safety-critical and always-on vehicle subsystems demanding high reliability, wide temperature operation, and robust fault protection.
FAQ
What is the minimum input voltage required for NCV4269CPA50R2G to maintain regulation at 150 mA output?
The NCV4269CPA50R2G maintains regulation at 150 mA output with a minimum input voltage of 5.5 V, based on its maximum dropout voltage of 0.5 V at 100 mA and typical 0.23 V at 100 mA. At full 150 mA, dropout rises slightly; design margin recommends VI ≥ 5.7 V for guaranteed 5.0 V ±2% output across temperature and process variation. The NCV4269CPA50R2G datasheet specifies Vdr ≤ 0.5 V at 100 mA, and current limit begins above 150 mA.
Can the NCV4269CPA50R2G operate with a 3.3 V microcontroller I/O interface?
No - the NCV4269CPA50R2G's RO and SO outputs feature internal 20 kΩ pullup resistors tied to the Q pin (5 V output), not to an external VCC. Driving a 3.3 V-tolerant MCU I/O directly risks overvoltage. To interface with 3.3 V logic, use an external level-shifter or select the pin-compatible NCV4279CPA50R2G, which omits internal pullups and allows user-defined pullup voltage. The NCV4269CPA50R2G is designed for 5 V system integration.
How does the SI/SO early-warning function work in the NCV4269CPA50R2G?
The NCV4269CPA50R2G's SI pin accepts a divided version of the monitored voltage (e.g., VQ or another rail); its internal comparator triggers SO low when SI falls below 1.20 V (typ). This occurs before VQ drops below the 4.65 V reset threshold, giving the MCU time to save state or complete critical operations. SO is open-collector with 20 kΩ internal pullup to Q, and the NCV4269CPA50R2G guarantees this function operates independently of main regulator status.
Is the exposed pad (EPAD) on the NCV4269CPA50R2G package required to be grounded?
Yes - the EPAD on the NCV4269CPA50R2G (TSSOP-14 EP, Case 948AW) must be soldered to a PCB ground plane to achieve specified thermal performance (RθJA = 77.3 °C/W) and EMC robustness. Leaving it unconnected degrades thermal resistance by >20 °C/W and increases susceptibility to radiated emissions. The NCV4269CPA50R2G datasheet explicitly states EPAD connects to ground potential for optimal operation.
Does the NCV4269CPA50R2G support adjustable reset delay timing, and how is it configured?
Yes - the NCV4269CPA50R2G provides programmable reset delay via the D pin, which sources a constant 6.5 µA (typ) current to charge an external capacitor (CD). Delay time td = CD × (VUD − VD,SAT) / ID,C; with CD = 100 nF, td ≈ 28 ms (typ). The NCV4269CPA50R2G datasheet confirms this relationship and specifies VUD = 1.8 V (typ), VD,SAT = 0.1 V (typ), and ID,C = 6.5 µA (typ).
NCV4269CPA50R2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 14-TSSOP (0.173", 4.40mm 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):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.5V @ 100mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 250 µA
- Current - Supply (Max):
- 3 mA
- PSRR:
- -
- Control Features:
- 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:
- 14-TSSOP-EP
NCV4269CPA50R2G FAQ
1.How can I place an order for NCV4269CPA50R2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV4269CPA50R2G 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 NCV4269CPA50R2G reliable?
The price and inventory of NCV4269CPA50R2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV4269CPA50R2G is usually 5 days.
3.What payment methods are accepted for NCV4269CPA50R2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV4269CPA50R2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV4269CPA50R2G?
NCV4269CPA50R2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV4269CPA50R2G 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 NCV4269CPA50R2G?
For technical support, including NCV4269CPA50R2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV4269CPA50R2G requirements.
6.How does Aetrix verify that NCV4269CPA50R2G is sourced from the original manufacturer or authorized distributors?
All NCV4269CPA50R2G 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 NCV4269CPA50R2G meets industry standards.
7.What is the process for return or replacement of NCV4269CPA50R2G?
All NCV4269CPA50R2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV4269CPA50R2G, 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 NCV4269CPA50R2G part is unused and in its original packaging.
Return procedure for NCV4269CPA50R2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NCV4269CPA50R2G Tags
-
MIC5504-1.8YM5-TR
Microchip Technology
-
MIC5504-3.3YM5-TR
Microchip Technology
-
MIC5365-3.0YC5-TR
Microchip Technology
-
MIC5365-1.8YC5-TR
Microchip Technology
-
MIC5365-2.5YC5-TR
Microchip Technology
-
MIC5365-3.3YC5-TR
Microchip Technology
-
MIC5365-3.3YD5-TR
Microchip Technology
-
MIC5317-3.3YM5-TR
Microchip Technology
-
TLV1117LV33DCYR
Texas Instruments
-
MIC5317-3.3YMT-TZ
Microchip Technology
-
MIC5528-3.3YMT-TR
Microchip Technology
-
TLV75801PDRVR
Texas Instruments
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
