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See Technical Specifications

LM74500QDDFRQ1 +BOM

Reverse polarity protection controller

Manufacturer:

TI
Mfr.Part #:

LM74500QDDFRQ1
Datasheet:

LM74500QDDFRQ1 Datasheet (PDF)
Vin (min) (V):

3.2
Vin (max) (V):

65
Number Of Channels:

1
Features:

Automotive load dump compatibility, Enable, Reverse polarity protection
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LM74500QDDFRQ1 General Description

Equipped with a charge pump gate drive for an external N-channel MOSFET, the LM74500-Q1 simplifies system designs by providing a robust solution for reverse polarity protection. This feature is particularly advantageous for automotive ISO7637 compliance, ensuring optimal performance in harsh operating conditions. Additionally, the controller's low power consumption when in sleep mode, drawing only around 1 µA of current with the enable pin low, enhances overall system efficiency

Key Features

Silicon-based semiconductors for automotive electronics
AEC-Q100 qualified device performance and reliability
Reconfigurable power delivery modes for automotive systems
Tightly-regulated operating current for automotive applications
Pulse-resistance transient performance support for automotive systems
ESD-resistant input voltage range for automotive electronics

Specifications

Vin (min) (V)	3.2	Vin (max) (V)	65
Number of channels	1	Features	Automotive load dump compatibility, Enable, Reverse polarity protection
Iq (typ) (mA)	0.08	Iq (max) (mA)	0.13
FET	External single FET	IGate source (typ) (µA)	11000
IGate pulsed (typ) (A)	2.3	Operating temperature range (°C)	-40 to 125
VSense reverse (typ) (mV)	65	Design support	EVM, Simulation Model
Rating	Automotive	Imax (A)	250
Shutdown current (ISD) (mA) (A)	0.001	Device type	Reverse polarity protector
Product type	Reverse polarity protector

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Ratings and Reviews

M**a 03/15/2023

V napájení 1,2V je s tímto IC 2,6V... Musel jsem upravit dělič abych se dostal na správné napětí.The 1.2V supply is with this IC 2.6V ... I had to adjust the divider to get the correct voltage.

O**t 07/06/2022

Got it in a month. In appearance, everything is in order, but you need a check in the work, after the test i will add a tip.

I**a 08/24/2021

The set went a short time all working packing simple package.

J**n 01/13/2021

Suitable for many tv. My advice change everything and reduce the current of the standard square not more than 230ma better than 180.Measure the current correctly remember that there pulses ....