NCP301HSN27T1G

NCP301HSN27T1G is an On Semiconductor high-side switch IC. It integrates a protected pass element designed to connect/disconnect a DC load from a supply, simplifying power switching in automotive and industrial designs.
Key features
- 27V-rated high-side switch variant (NCP301 family)
- Built-in protection: overcurrent/short-circuit protection and thermal shutdown
- Undervoltage lockout to prevent unintended operation
- Enable (on/off) control input
- Often includes a fault/status indication (check datasheet)
Package/variant
- HSN package code with RoHS-compliant (T1G) lead-free marking
Typical applications
- Driving loads such as LEDs, relays, and other DC loads in automotive, industrial, and battery-powered systems
Note
- For exact electrical specs (current limit, quiescent current, pinout, fault signaling), refer to the NCP301HSN27T1G datasheet.

Equivalent products (voltage supervisor/reset ICs with ~2.7 V threshold) from other vendors include:
- TI TLV803/TLV803B-2.7
- Microchip MCP1316/MCP1317 (2.7 V options)
- Maxim MAX809/MAX810 (2.7 V variants)
- Renesas ISL8000/ISL8002 (2.7 V)
- Analog Devices ADM803/ADM803A (2.7 V)
Note: verify reset type (power-on/manual), output (push-pull/open-drain), exact threshold, and package.

NCP301HSN27T1G is a 2.7 V fixed-threshold microprocessor supervisory (voltage detector) with reset output. Key features:
- Fixed 2.7 V reset threshold
- Push-pull, active-low reset output (RESET#)
- Manual reset input for external forcing
- Power-on reset with guaranteed reset during power-up
- Reset output remains valid during brown-out and recovers cleanly
- Low quiescent current (high efficiency in standby)
- Wide operating temperature range (industrial/high-temp variants)
- Small 6-pin HSN package, RoHS-compliant (no external components required)
- Suitable for MCU, memory, and other reset-critical applications
Note: Please verify exact electrical specs (threshold tolerance, hysteresis, trip/reset delay, and operating voltage range) from the latest On Semiconductor datasheet for this specific part revision.

Pin count: 3 pins.
Function: A 2.7V-threshold voltage supervisor (reset IC). It monitors Vcc and asserts the reset output when Vcc falls below 2.7V, releasing reset when the supply rises above the threshold.

- Manufacturer: ON Semiconductor (ON Semi).
- Company type: A global semiconductor designer, manufacturer, and supplier of electronic components (analog, power management, sensors, logic, etc.) for automotive, industrial, communications, and consumer markets. HQ: Phoenix, Arizona.

NCP301HSN27T1G is a voltage detector/reset supervisor. Typical application areas:
- Reset supervision for microcontrollers, DSPs, FPGAs, and SoCs
- Power-on reset and brown-out protection on low-voltage rails (around 2.7 V)
- System supervision in portable electronics, IoT nodes, wearables, and smart meters
- Voltage-rail monitoring for PMICs/DC-DC converters to ensure proper startup/sequencing
- General low-voltage digital circuits requiring reliable reset behavior in consumer, industrial, and medical electronics

NCP301HSN27T1G uses the HSN package, a 3‑pin SC‑70 (SOT‑323) style surface‑mount package. T1G denotes tape‑and‑reel packaging (RoHS).