MIC6270YM5-TR - 5mV Precision Comparator, 2-36V | Microchip
N.º de pieza: MIC6270YM5-TR ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $0.55 | $0,55 |
| 10 | $0.49 | $4,90 |
| 100 | $0.43 | $43,00 |
| 500 | $0.38 | $190,00 |
| 1.000 | $0.34 | $340,00 |
| 3.000 | $0.28 | $840,00 |
MIC6270YM5-TR Descripción general
A voltage comparator is a fundamental analog building block that compares two input voltages and produces a digital-style output indicating which is larger. Comparators form the lowest layer of a hierarchy that includes analog comparators, operational amplifiers used in comparator mode, signal-conditioning front-ends, and finally power-management and data-acquisition subsystems. They are the bridge between the analog sensor world and the digital MCU/ASIC domain, where decisions must be made on threshold crossings, zero-crossings, or window-detect events.
Key features of the MIC6270YM5-TR include 5 mV maximum input offset voltage, single-supply operation from 2 V to 36 V (or split ±1 V to ±18 V), an open-collector output stage that allows wired-OR logic by tying multiple outputs together, and an internal pull-up current source that can eliminate the external pull-up resistor in many applications. The SOT-23-5 footprint enables compact PCB layouts where a standard 5-pin SOT-23 land pattern is already present.
From an architectural perspective, the MIC6270 uses a single-stage, low-power bipolar input design optimized for low offset and wide supply range rather than for high speed. Propagation delay is in the microsecond range, which is well-matched to threshold detection, battery monitoring, and slow analog control loops. The output transistor is a saturated NPN open-collector device, deliberately chosen so that the output high level can be pulled up to any rail independent of the supply voltage.
Typical applications include battery-voltage monitoring in portable equipment, threshold detectors for sensor signal conditioning, oscillator circuits, window comparators, level translators between mixed-voltage logic domains, and simple analog-to-digital conversion with a microcontroller's on-chip timer. The wide 2-36 V supply range makes it particularly attractive for industrial 24 V rail sensing and 12 V automotive subsystems.
When designing with the MIC6270YM5-TR, the key consideration is the open-collector output: an external pull-up resistor (or use of the internal pull-up current source) is mandatory to produce a defined logic-high level. The pull-up rail can be different from the comparator supply, which is a useful feature for level shifting. For high-speed applications exceeding a few hundred kHz, a faster comparator such as the LT1719 or TLV3201 should be considered instead.
This page synthesizes distributor pricing from LCSC and DigiKey, drop-in alternatives in the same SOT-23-5 footprint, and practical design notes not found in the manufacturer datasheet, providing a single engineering reference for part selection, sourcing, and circuit design.
Alternativas directas para MIC6270YM5-TR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MIC7211YM5-TR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MIC7221YM5-TR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MIC6270BM5-TR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MCP6541T-I/OT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
LPV7215MG/NOPB
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
TLV3201AIDBVR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MIC6270YM5-TR Valores máximos y características eléctricas
| Manufacturer | Microchip Technology |
| Product Type | Precision Voltage Comparator |
| Number of Comparators | 1 |
| Input Offset Voltage (max) | 5 mV |
| Supply Voltage Range (Single) | 2 V to 36 V |
| Supply Voltage Range (Split) | ±1 V to ±18 V |
| Tipo de salida | Open-Collector |
| Logic Compatibility | TTL, CMOS, DTL, ECL, MOS |
| Internal Pull-up Current Source | Yes |
| Rango de temperatura de funcionamiento | -40 °C to +85 °C |
| Encapsulado | SOT-23-5 |
| Tipo de montaje | Surface Mount |
| Packaging | Tape & Reel (TR) |
| Estado RoHS | Compliant |
| Lead Free | Yes |
Configuración de pines de MIC6270YM5-TR
| Pin 1 | OUT — Open-collector comparator output |
| Pin 2 | V- — Negative supply / GND for single-supply operation |
| Pin 3 | IN+ — Non-inverting comparator input |
| Pin 4 | IN- — Inverting comparator input |
| Pin 5 | V+ — Positive supply (2 V to 36 V) |
Aplicaciones típicas
MIC6270YM5-TR es adecuado para 7 aplicacións: Battery Voltage Monitoring, Threshold and Window Detector, Oscillator and Pulse Generator, Industrial 24V Sensor Interface, Zero-Crossing Detector, Level Shifter Between Mixed-Voltage Logic, Simple 1-bit Analog-to-Digital Conversion.
Battery Voltage Monitoring
The MIC6270YM5-TR is well suited to battery monitoring because its 2 V minimum supply allows operation from a single Li-ion cell and its 36 V maximum covers 12 V and 24 V battery stacks. The 5 mV maximum input offset translates directly to threshold precision when comparing a divided battery voltage against a reference, while the open-collector output can be pulled up to a 3.3 V MCU rail even when the comparator runs from the battery stack itself, eliminating a separate level shifter. The SOT-23-5 footprint fits compact battery-management boards where board area is at a premium.
Recomendado
Threshold and Window Detector
Using two MIC6270YM5-TR comparators, an engineer can build a window detector that flags when an analog signal falls outside a defined voltage band. The 5 mV offset provides predictable switching thresholds, and the open-collector outputs can be wired together for a single "out-of-range" flag signal pulled up to the MCU's logic rail. The 2-36 V supply range means the same circuit works at 3.3 V, 5 V, 12 V, and 24 V without modification.
Recomendado
Oscillator and Pulse Generator
The MIC6270YM5-TR can form the active element of a relaxation oscillator by charging a capacitor through a resistor and using the comparator to switch states when the threshold is crossed. With the open-collector output, the discharge path is straightforward and the output frequency depends only on the RC values, not on the comparator's output stage. The wide supply range allows oscillation from audio frequencies up to a few hundred kHz, useful for clock generation in low-speed embedded systems.
Recomendado
Industrial 24V Sensor Interface
Industrial sensors in 24 V systems often need a comparator to convert a high-voltage analog signal to a 3.3 V or 5 V logic output for an MCU. The MIC6270YM5-TR runs directly from the 24 V rail without a pre-regulator, and its open-collector output is pulled up to the MCU's lower logic rail, performing level shifting in a single device. The 5 mV offset ensures accurate threshold detection despite the high common-mode voltage present in industrial environments.
Recomendado
Zero-Crossing Detector
The MIC6270YM5-TR works as a zero-crossing detector for AC line signals by referencing the input to ground. The 36 V maximum supply covers the peaks of low-voltage AC waveforms, and the open-collector output drives a logic signal that an MCU can timestamp to measure line frequency or phase. The 5 mV offset keeps the switching point close to true zero, minimizing phase error in dimmer and motor-control circuits.
Recomendado
Level Shifter Between Mixed-Voltage Logic
The MIC6270YM5-TR performs voltage-level translation between mixed-voltage logic domains such as 5 V sensors and 3.3 V MCUs. Because the open-collector output is pulled up to the destination logic rail independently of the supply rail, the comparator can run from 5 V while signaling to a 3.3 V input - a level shifter in one inexpensive 5-pin device. The wide supply range (2-36 V) makes the same circuit usable as a 24 V-to-5 V or 12 V-to-3.3 V translator.
Recomendado
Simple 1-bit Analog-to-Digital Conversion
The MIC6270YM5-TR can be paired with a microcontroller's on-chip timer to form a simple 1-bit sigma-delta or duty-cycle ADC. The comparator continuously squares-up an analog input against a threshold, and the MCU measures the resulting duty cycle to reconstruct the analog level. The 5 mV offset sets the noise floor, and the open-collector output is directly timer-compatible on most MCUs. This is a useful technique for slow sensor channels where an external ADC is not justified.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MIC6270YM5-TR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | MIC7211YM5-TR | MIC7221YM5-TR | MIC6270BM5-TR | MCP6541T-I/OT | LPV7215MG/NOPB | TLV3201AIDBVR |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Texas Instruments | Texas Instruments |
| Package | SOT-23-5 | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same |
| Output Type | Open-Collector | Push-Pull | Open-Collector | Open-Collector | Push-Pull (CMOS) | Push-Pull (CMOS) | Push-Pull |
| Internal Pull-up Current Source | Yes | No | Yes | Yes | No (push-pull) | No (push-pull) | No (push-pull) |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C |
Diferenciadores clave
- Internal pull-up current source eliminates external pull-up resistor (frente a LM393)
- 36 V single-supply operation matches industrial 24 V rails directly (frente a MIC7211YM5-TR)
- True 5 mV offset in SOT-23-5 is rare at this price (frente a TLV3201AIDBVR)
Notas de diseño
The MIC6270YM5-TR open-collector output requires a pull-up resistor (or use of the internal pull-up current source) to produce a defined logic-high level. Forgetting the pull-up leaves the output floating and the circuit appears non-functional. The pull-up rail can be different from the comparator supply, which is a useful level-shifting feature, but the pull-up voltage must not exceed the OUT pin's absolute maximum rating.
Estimated: at V+ = 12 V, the MIC6270YM5-TR draws less than 1 mA quiescent current, making it suitable for always-on battery monitoring. The internal pull-up current source typically sources tens of microamps - adequate for low-speed signals into a high-impedance MCU pin, but if the output drives a long trace or multiple loads, an external pull-up resistor is recommended to ensure fast rise times.
Place the MIC6270YM5-TR close to the input signal source and keep input traces short to minimize noise pickup and stray coupling, since 5 mV of offset can be corrupted by tens of millivolts of board noise. Add a 0.1 µF ceramic bypass capacitor directly between V+ (pin 5) and V- (pin 2) within 2 mm of the package. The SOT-23-5 thermal pad (if present on the variant) should be soldered to a copper pour connected to V-.
The MIC6270YM5-TR propagation delay is in the microsecond range and is not suitable for signals above a few hundred kHz. For high-speed applications (above 1 MHz), substitute a faster comparator such as the LT1719 or TLV3201 in the same SOT-23-5 footprint. Also note that the open-collector output rise time is determined by the pull-up resistor and the load capacitance - keep load capacitance below 100 pF for clean edges at typical 10 kΩ pull-up values.
Información de cumplimiento
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose a Q1-graded variant for automotive applications. Halogen-free and conflict-minerals status not explicitly stated in the verified data.
