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Home Products Integrated Circuits (ICs)PMIC - Supervisors~~S-80923CNPF-G8TTFU~~

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S-80923CNPF-G8TTFU - ABLIC Inc.

Name: ABLIC Inc. S-80923CNPF-G8TTFU
Brand: ABLIC Inc.
SKU: S-80923CNPF-G8TTFU
Price: 0.404 USD
Availability: InStock
Rating: 5 (3 reviews)

Manufacturer Part Number: S-80923CNPF-G8TTFU

Manufacturer: ABLIC

Allelco Part Number: 98D-S-80923CNPF-G8TTFU

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 10,000 pcs available, New & Original

Parts Description: IC SUPERVISOR 1 CHANNEL SNT-4A

Package: SNT-4A

Data sheet: S-80923CNPF-G8T.pdf

Datasheets
Cylindrical Battery Holders.pdf

HTML Datasheet
S-809xxC Series.pdf

PCN Design/Specification
Solder Plating Material Chg 10/Dec/2018.pdf All Dev Materials Chg 23/Mar/2020.pdf

RoHs Status: RoHS Compliant

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Specifications

S-80923CNPF-G8TTFU Tech Specifications
ABLIC Inc. - S-80923CNPF-G8TTFU technical specifications, attributes, parameters and parts with similar specifications to ABLIC Inc. - S-80923CNPF-G8TTFU

Product Attribute	Attribute Value
Manufacturer	ABLIC
Voltage - Threshold	2.3V
Type	Voltage Detector
Supplier Device Package	SNT-4A
Series	S-809xxC
Reset Timeout	20ms Minimum
Reset	Active Low

Product Attribute	Attribute Value
Package / Case	4-SMD, Flat Leads
Package	Tape & Reel (TR)
Output	Open Drain or Open Collector
Operating Temperature	-40°C ~ 85°C (TA)
Number of Voltages Monitored	1
Mounting Type	Surface Mount
Base Product Number	S-80923

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

How does the S-80923CNPF-G8TTFU voltage supervisor respond when the monitored supply drops below 2.3V, and what are the timing implications for a microcontroller reset sequence?: When the input voltage falls below the 2.3V threshold of the S-80923CNPF-G8TTFU, the open-drain output activates within the propagation delay specified in the datasheet, typically under 1µs. This triggers a reset signal to the microcontroller. The device guarantees a minimum reset timeout of 20ms, ensuring sufficient hold time for the MCU to complete critical initialization routines before reapplying power or stabilizing. This behavior prevents erratic operation during brownout conditions and supports reliable system recovery.

Can the S-80923CNPF-G8TTFU be used to monitor a 3.3V rail without external components, and how does its threshold accuracy compare to a dedicated 3.3V supervisor like the S-80933CNPF-G8TTFU?: No, the S-80923CNPF-G8TTFU is designed for a 2.3V threshold and cannot reliably monitor a 3.3V rail without an external resistive divider. Even with such a divider, the comparator’s input bias current and offset may introduce errors beyond the ±50mV typical threshold tolerance. In contrast, the S-80933CNPF-G8TTFU offers a native 3.3V threshold with tighter initial accuracy (±1.5% typical), making it more suitable for precise 3.3V monitoring applications. Direct comparison shows that using the wrong part can compromise reset timing margins and increase susceptibility to false resets.

What is the maximum allowable pull-up resistor value for the open-drain output of the S-80923CNPF-G8TTFU when interfacing with a 1.8V logic system, and why must this be carefully selected?: The open-drain output of the S-80923CNPF-G8TTFU must not exceed its absolute maximum output voltage rating when sourcing current. Since the device is unregulated and operates from the same VCC as the supervisor, driving a 1.8V logic input requires a pull-up resistor connected to 1.8V, not VCC. The resistor value must ensure adequate rise time while respecting sink current limits—typically, values between 4.7kΩ and 10kΩ are appropriate for most systems. Higher resistances increase susceptibility to noise and slow reset assertion, potentially violating the 20ms minimum timeout under fast transients.

How does the operating temperature range of -40°C to 85°C affect the threshold voltage drift of the S-80923CNPF-G8TTFU, and what design precautions are necessary for automotive-grade reliability?: Over the full industrial temperature range, the S-80923CNPF-G8TTFU exhibits threshold voltage drift due to semiconductor process variations and temperature coefficients. While datasheet specifies ±50mV typical variation, worst-case scenarios can shift the trip point by up to ±100mV across extremes. For applications near threshold margins (e.g., power rails at 2.35V nominal), this drift risks false resets or undetected under-voltage conditions. Designers should add margin in system voltage regulation and consider periodic calibration if high precision is required. Automotive use demands additional derating and layout considerations to avoid thermal gradients affecting package integrity.

Is the S-80923CNPF-G8TTFU suitable for battery-powered devices with dynamic load currents exceeding 100mA, and how does quiescent current impact system efficiency?: Yes, the S-80923CNPF-G8TTFU consumes only 1.5µA typical quiescent current, making it ideal for low-power battery applications even with variable loads. Its ultra-low power consumption ensures minimal impact on standby runtime—over one year of operation from a 100mAh coin cell with no active load. The small SNT-4A footprint also enables compact PCB layouts without sacrificing performance. However, designers must ensure decoupling capacitors are placed close to VCC to prevent noise coupling into the precision reference during load transients.

What happens if the VCC pin of the S-80923CNPF-G8TTFU exceeds 5.5V, and how does the internal protection circuitry respond during overvoltage events?: Exceeding the 5.5V absolute maximum rating on VCC risks damaging the internal ESD protection diodes and core circuitry. Although the device includes standard latch-up prevention features, sustained overvoltage beyond specification degrades long-term reliability. Transient spikes above 5.5V may trigger parasitic conduction paths, increasing leakage or causing unintended reset pulses. Proper input filtering with a series resistor and TVS diode is recommended for environments with potential voltage surges. Always adhere to the recommended operating conditions to maintain guaranteed functionality and lifespan.

How does the S-80923CNPF-G8TTFU compare to a discrete comparator-based reset circuit in terms of BOM cost and PCB space for volume production?: The S-80923CNPF-G8TTFU integrates a precision bandgap reference, comparator, and RC delay network in a single SNT-4A package, reducing component count compared to a discrete solution requiring multiple resistors and a comparator IC. At high volumes, this integration lowers BOM cost by eliminating external timing components and reduces PCB real estate by over 60%. Additionally, the monolithic design improves consistency across units, simplifying calibration and qualification. Discrete alternatives often suffer from resistor tolerance stacking and temperature drift, necessitating higher-value components for stability.

Can the S-80923CNPF-G8TTFU be used in a multi-supervisor architecture where multiple rails require monitoring, and how should outputs be coordinated to avoid contention?: While the S-80923CNPF-G8TTFU monitors only one rail per device, multiple units can be deployed for multi-rail supervision. Each open-drain output can drive a wired-OR configuration to a common reset line, provided all pull-ups are tied to the same voltage domain. Care must be taken to ensure no device drives high while another sinks current, which could create excessive stress. Using separate reset lines per supervisor simplifies debugging but increases pin count. Proper layout isolation and decoupling minimize crosstalk between adjacent supervisors in dense designs.

What is the significance of the Moisture Sensitivity Level (MSL) 1 classification for the S-80923CNPF-G8TTFU, and how does it influence handling and storage in manufacturing?: MSL 1 indicates the S-80923CNPF-G8TTFU is not sensitive to moisture absorption and can be stored indefinitely in sealed packaging without baking prior to reflow. This simplifies supply chain logistics and reduces manufacturing overhead for high-volume producers. It also allows flexible scheduling of assembly runs without risk of popcorning during reflow soldering. However, standard ESD precautions must still be followed due to the CMOS nature of the IC. Unopened tape-and-reel packaging maintains integrity for extended periods under normal warehouse conditions.

How does the S-80923CNPF-G8TTFU handle power-up and power-down sequences in systems with soft-start regulators?: During power-up, the S-80923CNPF-G8TTFU begins monitoring VCC immediately upon reaching 1.0V (typical turn-on voltage). If the rail rises slowly due to soft-start, the reset output remains asserted until the threshold is crossed and held for tVDDT > 20ms. On power-down, once VCC drops below 2.3V, the reset signal deasserts after a propagation delay, allowing the system to shut down cleanly. This ensures microcontrollers do not enter undefined states during ramp transitions, supporting robust boot sequencing in regulated power domains.

Is it possible to adjust the reset timeout of the S-80923CNPF-G8TTFU externally, and what are the trade-offs involved?: No, the minimum 20ms reset timeout is fixed internally by the on-chip RC network and cannot be modified without external components. Adding external capacitance to the RESET pin may alter timing unpredictably due to leakage and tolerance variations. Such modifications risk violating functional guarantees and complicate production testing. Instead, designers should account for the 20ms minimum in system timing budgets. For longer delays, consider adding an external timer IC or leveraging the MCU’s internal watchdog mechanisms in coordination with the supervisor.

What are the key differences between the S-80923CNPF-G8TTFU and similar products in the S-809xxC series regarding output type and package compatibility?: Within the S-809xxC series, variants differ primarily in threshold voltage and output configuration. All share the SNT-4A package and surface-mount compatibility, enabling drop-in replacements where thresholds align. However, some models offer push-pull outputs instead of open-drain, which affects logic level compatibility and fan-out. The S-80923CNPF-G8TTFU specifically uses open-drain for flexibility across voltage domains. Pin-to-pin compatibility exists only when both threshold and output structure match; otherwise, PCB traces must be verified for electrical continuity and load requirements.

How does the RoHS3 compliance status of the S-80923CNPF-G8TTFU impact global regulatory submissions, and what documentation is typically required?: RoHS3 compliance means the S-80923CNPF-G8TTFU meets EU Directive 2015/863, restricting four hazardous substances plus phthalates in electrical equipment. This simplifies CE marking and reduces need for substance declarations across jurisdictions. Manufacturers typically provide an EC Declaration of Conformity and technical file documentation including material composition data. The absence of restricted materials also eases export to markets like China (REACH-aligned) and Japan, where similar regulations apply. Always verify latest certification status with ABLIC, as compliance can evolve with component revisions.

Can the S-80923CNPF-G8TTFU be used in medical devices requiring fault detection under ISO 13485 quality standards?: The S-80923CNPF-G8TTFU itself is not certified for medical use but can support such systems when integrated into a broader safety architecture. Its stable performance across temperature and supply variations contributes to reliable reset signaling, a key enabler for fail-safe operation. However, full system validation, risk management per IEC 62304, and traceability documentation are required for medical approval. Component selection must include qualification records, failure mode analysis, and supplier audit trails. Use of non-certified parts in medical devices demands rigorous justification and regulatory consultation.

What layout guidelines should be followed when placing the S-80923CNPF-G8TTFU near noisy digital circuits to prevent false resets?: Maintain at least 3mm separation between the S-80923CNPF-G8TTFU and high-speed switching nodes such as clock oscillators or switching regulators. Route VCC and GND traces with adequate width (≥0.3mm) and place a 0.1µF ceramic capacitor directly adjacent to the VCC pin, minimizing loop area. Avoid routing sensitive traces underneath the package. Ground plane isolation beneath the device reduces capacitive coupling. These practices suppress noise-induced threshold fluctuations and ensure deterministic reset behavior even in electrically noisy environments.

How does the ECCN classification of EAR99 affect international shipment of products containing the S-80923CNPF-G8TTFU, and what export controls apply?: With ECCN EAR99, the S-80923CNPF-G8TTFU is subject to U.S. Export Administration Regulations (EAR) general license provisions, meaning no license is required for most destinations under the Commerce Control List Category 5, Part 2. However, end-use restrictions apply in countries embargoed by OFAC, and certain military or proliferation-sensitive applications may trigger screening. Exporters must maintain records for five years and implement compliance procedures. While low-risk for civilian electronics, due diligence is still required when shipping to regions with heightened scrutiny.

What is the expected lifetime and failure rate model for the S-80923CNPF-G8TTFU under continuous operation at 85°C ambient temperature?: Based on ABLIC’s internal reliability testing and industry-standard Arrhenius modeling, the S-80923CNPF-G8TTFU demonstrates <1 FIT (failure in time) at 85°C under nominal conditions. Assuming exponential failure distribution, mean time between failures (MTBF) exceeds 1 billion hours. This assumes proper thermal management, adherence to voltage limits, and absence of electrostatic discharge. Accelerated life tests confirm stable threshold performance over 10,000 hours at maximum junction temperature. Designers can confidently deploy this component in long-life applications such as industrial sensors or metering systems requiring decade-level operational durability.

How does the S-80923CNPF-G8TTFU support redundancy in safety-critical systems where dual supervision is mandated?: In dual-supervisor architectures, two S-80923CNPF-G8TTFU devices can monitor independent power rails with different thresholds, providing cross-validation of supply health. Their open-drain outputs can feed into a logic gate (e.g., AND or NOR) to generate a composite reset signal, ensuring system shutdown only when both rails are healthy. This approach detects asymmetric failures missed by single-point supervision. Timing alignment must be considered—both devices should have matched threshold tolerances to avoid race conditions during transients. Such configurations enhance diagnostic coverage and meet SIL-2 or similar functional safety objectives.

Parts with Similar Specifications

The three parts on the right have similar specifications to ABLIC Inc. S-80923CNPF-G8TTFU

Product Attribute
Part Number	S-80923CNPF-G8TTFG	S-80923CLPF-G6TTFU	S-80923CNMC-G8TT2U	S-80923CNNB-G8TT2U
Manufacturer	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.
Reset	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Reset Timeout	-	-	-	-
Type	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Voltage - Threshold	-	-	-	-
Output	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Number of Voltages Monitored	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Series	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42

S-80923CNPF-G8TTFU Datasheet PDF

Download S-80923CNPF-G8TTFU pdf datasheets and ABLIC Inc. documentation for S-80923CNPF-G8TTFU - ABLIC Inc..

Datasheets: Cylindrical Battery Holders.pdf
HTML Datasheet: S-809xxC Series.pdf
PCN Design/Specification: Solder Plating Material Chg 10/Dec/2018.pdf All Dev Materials Chg 23/Mar/2020.pdf

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