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MIC6315-30D3UY-TR
Microchip Technology
IC SUPERVISOR 1 CHANNEL SOT143
3199 Pcs New Original In Stock
Supervisor Open Drain or Open Collector 1 Channel SOT-143
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Minimum 1
5.0 / 5.0
- (137 Ratings)
MIC6315-30D3UY-TR
Product Overview
1370552
DiGi Electronics Part Number
MIC6315-30D3UY-TR-DGManufacturer
Microchip Technology
MIC6315-30D3UY-TR
Description
IC SUPERVISOR 1 CHANNEL SOT143Inventory
3199 Pcs New Original In Stock
Supervisor Open Drain or Open Collector 1 Channel SOT-143
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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MIC6315-30D3UY-TR Technical Specifications
Category
Power Management (PMIC), Supervisors
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Type
Simple Reset/Power-On Reset
Number of Voltages Monitored
1
Voltage - Threshold
3V
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
140ms Minimum
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
TO-253-4, TO-253AA
Supplier Device Package
SOT-143
Base Product Number
MIC6315
Datasheet & Documents
HTML Datasheet
MIC6315-30D3UY-TR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
MIC631530D3UYTR
576-2890-1
576-2890-2
MIC6315-30D3UY TR-DG
MIC6315-30D3UY TR
MIC6315-30D3UYTR-DG
576-2890-6
MIC6315-30D3UYTR
Standard Package
3,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
디자인뿐만 아니라 포장도 견고해서 만족스럽고, 배송 과정 추적도 체계적이었습니다.
de desembre 02, 2025
DiGi Electronics überzeugt immer mit puncto Versandgenauigkeit und langlebiger Produktqualität.
de desembre 02, 2025
Sehr gutes Verpackungsdesign, schützt die Produkte perfekt während des Transports.
de desembre 02, 2025
素早い発送と高品質な商品にいつも満足しています。オススメのお店です！
de desembre 02, 2025
DiGi Electronics offers exceptional customer service that truly exceeds expectations.
de desembre 02, 2025
I value their consistent performance and reasonable pricing.
de desembre 02, 2025
Their shipment tracking was so detailed that I could plan my day around the expected delivery time.
de desembre 02, 2025
I love the friendly atmosphere and budget-friendly prices.
de desembre 02, 2025
Their strategic pricing makes premium electronics accessible, paired with impressive packaging.
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Frequently Asked Questions (FAQ)
When designing a power sequencing circuit with the MIC6315-30D3UY-TR, how do I ensure reliable reset behavior when replacing a legacy supervisor like the MAX809T or TPS3823-30DBVR, especially in systems with slow-ramping 3.3V rails?
The MIC6315-30D3UY-TR has a fixed 3.0V threshold and a 140ms minimum reset timeout, which differs from the MAX809T’s 2.93V threshold and shorter delays or the TPS3823’s adjustable delay. To ensure reliable replacement, verify that your 3.3V rail reaches above 3.0V within the MIC6315’s reset timeout window—especially under light loads where ramp-up may be slow. If the rail rises too slowly (e.g., >100ms to cross 3.0V), consider adding a small preload resistor to accelerate voltage rise or select a supervisor with a lower threshold. Unlike the TPS3823, the MIC6315 lacks external capacitor-based delay adjustment, so timing must be validated empirically in your system. Always test worst-case startup conditions, including cold temperature and low supply current, to avoid premature deassertion of reset.
Can the MIC6315-30D3UY-TR be safely used in a 5V-tolerant system where the monitored rail occasionally experiences voltage spikes up to 5.5V, and what protection is needed for its open-drain output?
The MIC6315-30D3UY-TR is not rated for direct 5V connection—its maximum VCC is 5.5V, but the monitored voltage must not exceed VCC. If the 3.3V rail spikes above 5.5V, even briefly, it risks damaging the device. To use it in such environments, add a low-capacitance TVS diode (e.g., SMAJ3.3A) on the monitored line and ensure the open-drain RESET output is pulled up to a voltage ≤ VCC. Since the output is open-drain, it can interface with higher-voltage logic (e.g., 5V MCU) only if the pull-up is connected to a supply ≤5.5V and transient energy is clamped. Avoid relying solely on internal ESD protection; external suppression is recommended for industrial or electrically noisy environments.
How does the MIC6315-30D3UY-TR behave during brownout conditions compared to precision supervisors like the ADM803 or LTC2935, and what risks should I consider in battery-powered applications with fluctuating supply voltages?
Unlike precision supervisors such as the ADM803 or LTC2935, the MIC6315-30D3UY-TR has a typical hysteresis of only ~50mV (not explicitly stated but inferred from similar Microchip parts), making it more susceptible to oscillation during slow brownouts near the 3.0V threshold. In battery-powered systems where voltage sags under load (e.g., GSM transmit bursts), this can cause repeated resets. To mitigate, add a small decoupling capacitor (1–10µF) close to the VCC pin and consider a low-pass RC filter on the monitored rail if noise is present. For critical applications, evaluate whether a supervisor with wider hysteresis (e.g., 200mV+) or windowed monitoring is needed—though this would require replacing the MIC6315 with a more advanced device.
Is the MIC6315-30D3UY-TR suitable for automotive-grade designs, and what derating or qualification steps are necessary given its -40°C to 85°C operating range and MSL-1 rating?
While the MIC6315-30D3UY-TR meets the temperature range (-40°C to 85°C) common in automotive under-hood applications, it is not AEC-Q100 qualified, which is typically required for automotive designs. Its MSL-1 rating means it’s safe from moisture-related failures during assembly, but lack of automotive qualification limits use to non-safety-critical, aftermarket, or telematics modules. If your design requires full automotive compliance, consider qualified alternatives like the MIC2779H-4DDMN (AEC-Q100 Grade 1). For non-critical uses, still perform extended thermal cycling and humidity testing, and ensure PCB layout minimizes thermal stress on the SOT-143 package, which has limited thermal mass.
What layout and decoupling practices are critical when using the MIC6315-30D3UY-TR in a high-noise digital system with fast-switching FPGAs or processors, and how can I prevent false resets?
In high-noise environments, the MIC6315-30D3UY-TR’s reset output can glitch if power supply noise couples into the VCC or GND paths. Place a 0.1µF ceramic capacitor as close as possible to the VCC pin, with short traces to a solid ground plane. Avoid routing the RESET signal near high-di/dt traces (e.g., clock lines or switching regulators); use a grounded guard trace if necessary. Since the device lacks built-in noise filtering beyond basic hysteresis, consider adding a small RC filter (e.g., 1kΩ + 10nF) on the RESET line if driving long traces or capacitive loads. Validate performance with an oscilloscope during dynamic load transients—especially during FPGA configuration or processor wake-up—to ensure the reset signal remains clean and meets your system’s timing requirements.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MIC6315-30D3UY-TR CAD Models
Microchip Technology MIC6315-30D3UY-TR PCB symbols & footprints
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