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TLV1805-Q1 40V, Rail-to-Rail Input, Push-Pull Output, High Voltage Automotive Comparator with Shutdown
SNOSD52B
August 2018 – January 2020
TLV1805-Q1
PRODUCTION DATA.
CONTENTS
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TLV1805-Q1 40V, Rail-to-Rail Input, Push-Pull Output, High Voltage Automotive Comparator with Shutdown
1
Features
2
Applications
3
Description
Device Images
Reverse Current Protection Using an N-Channel MOSFET
Reverse Current & Overvoltage Protection Using P-Channel MOSFETs
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Rail to Rail Inputs
7.3.2
Power On Reset
7.3.3
High Power Push-Pull Output
7.3.4
Shutdown Function
7.3.5
Internal Hysteresis
7.4
Device Functional Modes
7.4.1
External Hysteresis
7.4.1.1
Inverting Comparator With Hysteresis
7.4.1.2
Noninverting Comparator With Hysteresis
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.2.4
Reverse Current Protection Using MOSFET and TLV1805-Q1
8.2.4.1
Minimum Reverse Current
8.2.4.2
N-Channel Reverse Current Protection Circuit
8.2.4.2.1
N-Channel Oscillator Circuit
8.2.5
P-Channel Reverse Current Protection Circuit
8.2.6
P-Channel Reverse Current Protection With Overvotlage Protection
8.2.7
ORing MOSFET Controller
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|6
MPDS026Q
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosd52b_oa
snosd52b_pm
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DATA SHEET
TLV1805-Q1 40V, Rail-to-Rail Input, Push-Pull Output, High Voltage Automotive Comparator with Shutdown
1
Features
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to +125°C ambient operating temperature
Device HBM ESD Classification Level 2
Device CDM ESD Classification Level C6
3.3 V to 40 V supply range
Low quiescent current: 135 µA
High peak current push-pull output
Rail-to-rail inputs with phase reversal protection
Built-In hysteresis: 14mV
250ns propagation delay
Low input offset voltage: 500 µV
Shutdown with high-z output
Power-On Reset (POR)
SOT-23-6 package
2
Applications
Reverse current protection smart diode controller
Overvoltage, undervoltage, and overcurrent detection
OR-ing MOSFET controller
MOSFET gate driver
High voltage oscillators
System monitoring for:
Automotive i
nfotainment & cluster
HEV/EV & powertrain