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LM5050Q1MKX-1/NOPB

This is a Half Bridge Based MOSFET Driver, PDSO6 product with the model number LM5050Q1MKX-1/NOPB."

Manufacturer:

Texas Instruments
Mfr.Part #:

LM5050Q1MKX-1/NOPB
Datasheet:

LM5050Q1MKX-1/NOPB Datasheet (PDF)
Vin (min) (V):

5
Vin (max) (V):

75
Number of channels:

1
Features:

AUX input, Linear control, Reverse current blocking, Reverse polarity protection
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LM5050Q1MKX-1/NOPB General Description

The LM5050Q1MKX-1/NOPB is a rugged, high-side current sense amplifier designed for demanding automotive applications. It operates over a wide voltage range from 4.2V to 65V, making it suitable for various automotive systems, including battery management, power distribution, and motor control. With its precision current-sensing capability, it can accurately measure load currents up to ±1A. This device features a fixed gain of 20V/V, providing a reliable and consistent output signal proportional to the sensed current. It incorporates a robust design to withstand harsh automotive environments, including load dump and reverse battery conditions. Additionally, the LM5050Q1MKX-1/NOPB offers thermal shutdown protection and reverse polarity protection, enhancing system reliability and safety. Its small footprint and integrated features make it an ideal choice for automotive electronics requiring precise current monitoring and protection

Key Features

The LM5050Q1MKX-1/NOPB is a voltage supervisor designed for automotive applications

It offers undervoltage lockout, a power-on reset delay, and a watchdog timer

Its features include overvoltage protection, a wide supply voltage range, and a programmable reset delay

Additionally, it has a fault output and thermal shutdown protection, ensuring robust performance in automotive systems

Application

The LM5050Q1MKX-1/NOPB is commonly used in automotive applications, specifically for protecting sensitive components like microcontrollers and sensors from reverse battery and load dump conditions

It is also suitable for other industrial applications where protection against voltage transients is required, such as in power distribution systems and battery management

Specifications

Vin (min) (V)	5	Vin (max) (V)	75
Number of channels	1	Features	AUX input, Linear control, Reverse current blocking, Reverse polarity protection
Iq (typ) (mA)	0.4	Iq (max) (mA)	0.79
TI functional safety category	Functional Safety-Capable	FET	External single FET
IGate source (typ) (µA)	31	IGate source (max) (µA)	41
IGate sink (typ) (mA)	2.8	IGate pulsed (typ) (A)	2.8
Operating temperature range (°C)	-40 to 125, -40 to 150	VSense reverse (typ) (mV)	-41, -28
Design support	EVM, Simulation Model	Rating	Automotive
Imax (A)	250	VGS (max) (V)	14
Shutdown current (ISD) (mA) (A)	0.1	Device type	ORing controller
Product type	ORing controller