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TPS1210-Q1 45V, Automotive Low IQ, Back-to-Back MOSFET Smart High Side Driver With Short-Circuit Protection and Diagnostics
SLUSEZ2A
October 2023 – December 2024
TPS1210-Q1
PRODUCTION DATA
CONTENTS
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TPS1210-Q1 45V, Automotive Low IQ, Back-to-Back MOSFET Smart High Side Driver With Short-Circuit Protection and Diagnostics
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and 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
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Charge Pump and Gate Driver Output (VS, G1PU, G1PD, G2, BST, SRC)
8.3.2
Capacitive Load Driving Using FET Gate (G1PU, G1PD) Slew Rate Control
8.3.3
Short-Circuit Protection
8.3.3.1
Short-Circuit Protection With Auto-Retry
8.3.3.2
Short-Circuit Protection With Latch-Off
8.3.4
Undervoltage Protection (UVLO)
8.3.5
Reverse Polarity Protection
8.3.6
Short-Circuit Protection Diagnosis (SCP_TEST)
8.3.7
TPS1210x-Q1 as a Simple Gate Driver
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application: Circuit Breaker in Battery Management System (BMS) using Low Side Current Sense
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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Data Sheet
TPS1210-Q1 45V, Automotive Low I
Q
, Back-to-Back MOSFET Smart High Side Driver With Short-Circuit Protection and Diagnostics
1
Features
AEC-Q100 automotive qualified for automotive applications
Device temperature grade 1: –40°C to +125°C ambient operating temperature range
Functional Safety-Capable
Documentation available to aid functional safety system design
3.5V to 40V input range (45V absolute maximum)
Reverse input protection down to –40V
Integrated 11V charge pump
Low quiescent current, 35µA in operation
Low 1.5µA shutdown current (EN/UVLO = Low)
Two strong gate drivers (2A src/sink) for back-to-back MOSFET driving with separate control inputs (INP1, INP2)
Variants with active high (TPS12100-Q1) and active low (TPS12101-Q1) inputs
Adjustable short-circuit protection (ISCP) using external Rsense or MOSFET VDS sensing with adjustable delay (TMR)
High or low-side current sense configuration (CS_SEL)
Fault indication (
FLT
) during short-circuit fault, charge pump under voltage, input undervoltage, and short-circuit comparator diagnosis (SCP_TEST)
Adjustable input undervoltage lockout (UVLO)
