STMPS2141MTR

Voltage - Supply (Vcc/Vdd):	Not Required
Base Part Number:	STMPS2141
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Fault Protection:	Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Features:	--
Input Type:	Non-Inverting
Rds On (Typ):	110 mOhm
Current - Output (Max):	500mA
Series:	--
Voltage - Load:	2.7 V ~ 5.5 V
Interface:	On/Off
Output Type:	N-Channel
Output Configuration:	High Side
Ratio - Input:Output:	1:1
Number of Outputs:	1
Switch Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The STMPS2141MTR is a type of power distribution switch, load driver and integrated power distribution controller developed by STMicroelectronics. It is an integrated solution with low-power consumption and low-voltage operation, suitable for a wide range of automotive, industrial, and consumer applications. The STMPS2141MTR combines the functions of a general-purpose and logic-output power transistor with a logic input and non-inverting and low-voltage driver circuitry.

Application Field

The STMPS2141MTR is designed for use as a multi-functional system switch that can drive loads up to 400mA and is suitable for low voltage (6 to 24V) applications. It is optimized for automotive, industrial, and consumer applications that require a high level of robustness and power efficiency. The wide range of available outputs makes it suitable for a variety of appliications such as motor drives, lighting, and control circuits.The STMPS2141MTR can be used in a variety of load conditions such as DC motors, stepper motors, brushed motors, relays, LEDs, and voltage-controlled loads. The STMPS2141MTR is also suitable for battery applications where it can optimize the operating life and thermal performance of the battery by ensuring only the required appliances are switched on. The STMPS2141MTR is especially suitable for system applications that need closed-loop management of multiple devices including high currents.

Working Principle

The STMPS2141MTR combines power transistor and logic circuitry to provide a versatile system switch with a wide range of load switching capabilities. The device comprises two switches; the upper switch, referred to as the "Top" switch, is the main system switch, while the lower, referred to as the "Bottom" switch, is the load switch.The Top switch is a general-purpose transistor that can be driven by either a logic level line or a static signal while the Bottom switch is an N-MOSFET driver that is connected to an integrated Binary Input line. The switches are controlled by a logic signal, or a sequence of logic signals and are particularly useful for controlling multiple devices including high currents.When the logic signal is asserted, the Top switch is enabled and the Bottom switch is disabled. This allows the top switch to control the voltage at the output and the bottom switch to control the current. The STMPS2141MTR is designed for operation at low-voltages, typically 6-24V, so it is suitable for applications where low-power operation is essential.

Conclusion

The STMPS2141MTR is a PMIC (power management integrated circuit) designed for system switch applications with low power consumption and low-voltage operation. The device combines a general-purpose power transistor and a logic input, non-inverting, and low-voltage driver in a single package and is suitable for a wide range of automotive, industrial, and consumer applications. The STMPS2141MTR is optimized for battery applications and performs well in controlling multiple devices including high currents.

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