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Home Products Integrated Circuits (ICs)PMIC - Supervisors~~S-80848CLUA-B69T2U~~

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S-80848CLUA-B69T2U - ABLIC Inc.

Name: ABLIC Inc. S-80848CLUA-B69T2U
Brand: ABLIC Inc.
SKU: S-80848CLUA-B69T2U
Price: 0.058 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: S-80848CLUA-B69T2U

Manufacturer: ABLIC

Allelco Part Number: 98D-S-80848CLUA-B69T2U

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 45,656 pcs available, New & Original

Parts Description: IC SUPERVISOR 1 CHANNEL SOT89-3

Package: SOT-89-3

Data sheet: S-80848CLUA-B69.pdf

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

HTML Datasheet
S-808xxC Series.pdf

RoHs Status: RoHS Compliant

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In stock: 45656

Unit Price: $0.154
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Quantity	Unit Price	Ext. Price
1+	$0.154	$0.15
200+	$0.061	$12.20
500+	$0.059	$29.50
1000+	$0.058	$58.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

S-80848CLUA-B69T2U Tech Specifications
ABLIC Inc. - S-80848CLUA-B69T2U technical specifications, attributes, parameters and parts with similar specifications to ABLIC Inc. - S-80848CLUA-B69T2U

Product Attribute	Attribute Value
Manufacturer	ABLIC
Voltage - Threshold	4.8V
Type	Voltage Detector
Supplier Device Package	SOT-89-3
Series	S-808xxC
Reset Timeout	-
Reset	Active Low

Product Attribute	Attribute Value
Package / Case	TO-243AA
Package	Tape & Reel (TR)
Output	Push-Pull, Totem Pole
Operating Temperature	-40°C ~ 85°C (TA)
Number of Voltages Monitored	1
Mounting Type	Surface Mount
Base Product Number	S-80848

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)

What are the key electrical characteristics of the S-80848CLUA-B69T2U voltage supervisor that influence system reset behavior in a 5V power rail design?: The S-80848CLUA-B69T2U features a precise 4.8V threshold with a typical accuracy of ±2.5% over temperature, which makes it suitable for monitoring a 5V system rail where early detection of under-voltage conditions is critical. Its push-pull output configuration allows direct interface with microcontrollers or logic circuits without requiring additional pull-up resistors, simplifying PCB layout. The active-low reset signal indicates when the monitored voltage falls below threshold, enabling clean system resets during brownout events. Given the -40°C to +85°C operating range, this device maintains stable performance across automotive and industrial environments where thermal variations are common.

How does the S-80848CLUA-B69T2U compare to other voltage supervisors in the S-808xxC series when considering response time and power consumption in battery-powered applications?: Compared to similar devices like the S-80847 or S-80846 variants within the same series, the S-80848CLUA-B69T2U offers a balanced combination of low quiescent current (typically 3µA) and fast response capability, reaching reset assertion within 100ms after voltage drops below threshold. This is faster than general-purpose comparators but slower than dedicated high-speed supervisors, making it ideal for systems requiring moderate response without excessive power drain. While alternatives may offer tighter thresholds or multiple channels, the single-channel design of the S-80848CLUA-B69T2U reduces component count and BOM cost for simple monitoring tasks.

What considerations should be made regarding the S-80848CLUA-B69T2U’s package and mounting style when integrating into high-reliability or space-constrained designs?: The SOT-89-3 package measures approximately 4.8mm x 2.9mm x 1.5mm, offering compact footprint benefits for PCB real estate optimization. Its surface-mount TO-243AA designation ensures compatibility with standard reflow soldering processes used in automated assembly. However, designers must account for the small thermal pad and limited exposed metal area when managing junction-to-ambient thermal resistance, especially if the IC experiences prolonged operation near its maximum ambient temperature of 85°C. Proper copper pour and via stitching around the device can improve heat dissipation and long-term reliability.

Can the S-80848CLUA-B69T2U reliably detect voltage droop events shorter than 100ms in embedded systems using microcontrollers with internal watchdog timers?: Yes, the S-80848CLUA-B69T2U has an internal hysteresis feature that prevents chatter during marginal supply transitions, ensuring stable reset signaling even with brief voltage sags. With a typical propagation delay of 150μs from input change to output state transition, it responds quickly enough to capture transient dips below 4.8V. This allows reliable coordination with microcontroller watchdog mechanisms, as the supervisor provides a deterministic reset pulse width once the threshold is crossed, supporting robust fault recovery in safety-critical applications.

How does the absence of a specified reset timeout impact the use of the S-80848CLUA-B69T2U in systems requiring controlled power-up sequences?: Since no fixed reset timeout is defined in the datasheet, the S-80848CLUA-B69T2U relies on the RC network formed by external components at the VCC pin to determine the initial delay before asserting reset. Designers must calculate the RC time constant to ensure sufficient stabilization time for the main power rails—typically several milliseconds for stable operation. This approach offers flexibility but requires careful selection of capacitor and resistor values to balance startup speed against noise immunity and inrush current limitations.

Is the S-80848CLUA-B69T2U suitable for automotive-grade applications given its stated operating temperature range and environmental certifications?: While the S-80848CLUA-B69T2U operates across -40°C to +85°C and complies with RoHS3 and REACH regulations, it is not qualified to AEC-Q100 standards unless explicitly noted by the manufacturer. Therefore, it is better suited for commercial or industrial systems rather than full automotive environments requiring functional safety validation. However, its MSL rating of 1 permits unlimited shelf life under dry storage conditions, reducing handling risks during production.

What trade-offs exist between using the S-80848CLUA-B69T2U versus a discrete comparator-based reset circuit in cost-sensitive designs?: Integrating the S-80848CLUA-B69T2U eliminates the need for external reference diodes, resistors, and additional ICs, reducing component count and board space. It also simplifies calibration since the threshold is factory-trimmed to 4.8V with minimal variation. In contrast, discrete solutions require manual tuning and exhibit higher tolerance stack-up, increasing yield variability. However, discrete approaches may offer lower unit cost at high volumes and greater configurability, though they demand more design effort and testing overhead.

How should decoupling capacitors be selected and placed when using the S-80848CLUA-B69T2U to maintain accurate voltage monitoring under dynamic load conditions?: A 0.1μF ceramic capacitor should be placed as close as possible to the VCC pin of the S-80848CLUA-B69T2U to filter high-frequency noise and prevent false triggering. Additionally, a bulk capacitor of 1–10μF may be used near the power source to stabilize the supply during large load transients. The placement priority is minimizing loop inductance; thus, both capacitors must connect directly to the IC’s pins with short traces to preserve monitoring integrity.

What role does the totem-pole output play in interfacing the S-80848CLUA-B69T2U with modern CMOS logic families in digital control systems?: The push-pull, totem-pole output structure provides rail-to-rail swing capability, allowing the S-80848CLUA-B69T2U to drive both high and low logic levels directly without level-shifting circuitry. This ensures clean signal integrity when connecting to 3.3V or 5V CMOS inputs, including those with Schmitt-trigger inputs for improved noise margin. Unlike open-drain outputs, it eliminates the need for external pull-up resistors, enhancing speed and reducing parasitic capacitance.

How does the single-channel architecture of the S-80848CLUA-B69T2U affect scalability in multi-supply system designs?: The S-80848CLUA-B69T2U monitors only one voltage domain, so designers must either cascade multiple supervisors or use alternative monitoring strategies for systems with multiple rails. For example, a second S-80848CLUA-B69T2U could monitor a 3.3V rail, but this increases component count and cost. Alternatively, some microcontrollers include built-in power-on-reset circuits capable of tracking multiple thresholds, potentially replacing discrete supervisor ICs in newer designs.

What precautions should be taken during PCB layout to avoid erroneous resets caused by ground bounce or supply ripple when using the S-80848CLUA-B69T2U?: Ground return paths should be minimized and kept short to reduce impedance-induced voltage drops. The S-80848CLUA-B69T2U shares a common ground with the rest of the system, so any noise injected into GND will directly affect its reference accuracy. Implementing a solid ground plane and routing sensitive analog signals away from switching regulators or high-current paths helps maintain stability. Additionally, placing bypass capacitors near the IC reduces susceptibility to local supply fluctuations.

Can the S-80848CLUA-B69T2U be used in conjunction with Li-ion battery charging circuits where voltage thresholds must align with safe operating limits?: Yes, the 4.8V threshold of the S-80848CLUA-B69T2U can serve as a warning indicator when a Li-ion cell approaches end-of-charge voltage (typically 4.2V), though it exceeds the actual cutoff point. This allows early intervention before overcharging occurs. However, primary protection against overvoltage should come from dedicated battery management ICs. The supervisor acts as a secondary safeguard, triggering a system shutdown or alert when the host controller detects the condition, adding redundancy to safety-critical battery systems.

How does the lack of external reset timeout configuration impact debugging efforts involving intermittent power issues in field-deployed equipment using the S-80848CLUA-B69T2U?: Because the S-80848CLUA-B69T2U does not support programmable reset delays, troubleshooting power-up anomalies requires empirical testing of the RC network at the VCC pin. Engineers must measure actual turn-on timing under various loads and temperatures to validate stability margins. Logging reset events via a debug UART or LED indicator can help correlate symptoms with observed supply waveforms, but the fixed behavior limits adaptive response during complex boot sequences involving staggered rail sequencing.

What implications arise from the EAR99 classification of the S-80848CLUA-B69T2U for global sourcing and export compliance in international product development?: Classified under EAR99, the S-80848CLUA-B69T2U is generally unrestricted for export worldwide under U.S. regulations, simplifying procurement logistics for multinational teams. However, exporters must still comply with destination-country import controls and ensure end-use restrictions do not apply. The HTSUS code 8542.39.0001 confirms its status as an electronic integrated circuit, aiding customs clearance. Nevertheless, dual-use concerns are minimal due to the component’s non-specialized function in power supervision.

How does the S-80848CLUA-B69T2U perform under rapid voltage ramp-up conditions compared to slow ramping supplies in terms of reset deassertion timing?: During fast voltage ramp-up, the S-80848CLUA-B69T2U detects when VCC exceeds 4.8V and begins deasserting reset within 100μs. However, if the ramp rate is too steep, parasitic inductance or ESR in the power path may cause temporary overshoot or ringing, leading to delayed or premature reset states. Slow ramping avoids these transients but consumes more time during system initialization. Optimal performance is achieved when the supply rises gradually above threshold while maintaining adequate headroom for stable operation.

What design considerations emerge when substituting the S-80848CLUA-B69T2U with another voltage supervisor in the same package to maintain mechanical compatibility?: When replacing the S-80848CLUA-B69T2U with a functionally equivalent part, engineers must verify identical pinout (SOT-89-3), threshold voltage, output type (push-pull), and operating temperature range. Even minor differences in threshold tolerance or propagation delay can lead to inconsistent system behavior. Footprint compatibility is assured by the common package, but reflow profiles must remain within the original component’s specifications to prevent damage during rework.

How does the absence of a dedicated enable pin affect the power-down behavior of systems utilizing the S-80848CLUA-B69T2U during sleep modes?: Without an enable control, the S-80848CLUA-B69T2U remains active whenever VCC exceeds the undervoltage lockout level (~1.0V). This means it continuously monitors the supply even in deep sleep states, consuming approximately 3µA of quiescent current. While low, this leakage can impact battery life in ultra-low-power designs. To minimize consumption, the monitored rail itself must be powered down, or an alternative supervisory solution with shutdown capability should be considered.

What lessons can be drawn from the S-80848CLUA-B69T2U’s architecture regarding best practices for designing fail-safe power monitoring in consumer electronics?: The S-80848CLUA-B69T2U demonstrates the importance of simplicity and determinism in safety-critical monitoring functions. By combining a fixed, trimmed threshold with a robust push-pull output and minimal external dependencies, it delivers predictable behavior essential for reliable operation. Designers should prioritize such integrated solutions over complex firmware-based checks, reserving software routines for post-reset diagnostics and recovery rather than primary fault detection, thereby reducing failure modes associated with code execution or clock stability.

Parts with Similar Specifications

The three parts on the right have similar specifications to ABLIC Inc. S-80848CLUA-B69T2U

Product Attribute
Part Number	S-80848CLUA-B69T2G	S-80848CLNB-B69T2U	S-80848CLMC-B69T2U	S-80848CLMC-B69T2G
Manufacturer	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.
Number of Voltages Monitored	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Output	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Type	-	-	-	-
Reset	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Reset Timeout	-	-	-	-
Series	-	-	-	-
Voltage - Threshold	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount

S-80848CLUA-B69T2U Datasheet PDF

Download S-80848CLUA-B69T2U pdf datasheets and ABLIC Inc. documentation for S-80848CLUA-B69T2U - ABLIC Inc..

PCN Design/Specification: Solder Plating Material Chg 10/Dec/2018.pdf All Dev Materials Chg 23/Mar/2020.pdf
HTML Datasheet: S-808xxC Series.pdf

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America	United States	5
America	Brazil	7
Europe	Germany	5
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Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
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Middle East	Israel	6

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1.00kg-2.00kg	USD$40.00 - USD$80.00
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