SLUSF08
March 2024
TPS1213-Q1
ADVANCE INFORMATION
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Charge Pump and Gate Driver Output (VS, G1PU, G1PD, BST, SRC)
7.3.2
Capacitive Load Driving
7.3.2.1
Using Low Power Bypass FET (G2 drive) for Load Capacitor Charging
7.3.2.2
Using Main FET's (G1 drive) Gate Slew Rate Control
7.3.3
Short-Circuit Protection
7.3.3.1
Short-Circuit Protection With Auto-Retry
7.3.3.2
Short-Circuit Protection With Latch-Off
7.3.4
Device Functional Modes
7.3.4.1
State Diagram
7.3.4.2
State Transition Timing Diagram
7.3.4.3
Power Down
7.3.4.4
Shutdown Mode
7.3.4.5
Low Power Mode
7.3.4.6
Active Mode
7.3.5
Undervoltage Protection (UVLO)
7.3.6
Reverse Polarity Protection
7.3.7
Short-Circuit Protection Diagnosis (SCP_TEST)
8
Application and Implementation
8.1
Application Information
8.1.1
Application Limitations
8.1.1.1
Short-Circuit Protection Delay
8.1.1.2
Short-Circuit Protection and Load wakeup Threshold
8.2
Typical Application 1: Driving Power at all times (PAAT) Loads With Automatic Load Wakeup
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Typical Application 2: Driving Power at all times (PAAT) Loads With Automatic Load Wakeup and Output Bulk Capacitor Charging
8.3.1
Design Requirements
8.3.2
External Component Selection
8.3.3
Application Curves
8.4
TIDA-020065: Automotive Smart Fuse Reference Design driving Power at all times (PAAT) Loads With Automatic Load Wakeup, Output Bulk Capacitor Charging, Bi-directional Current Sensing and Software I2t
8.5
Power Supply Recommendations
8.6
Layout
8.6.1
Layout Guidelines
8.6.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
1
Features
AEC-Q100 automotive qualified for grade 1 temperature
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 low power mode (
LPM
= Low)
Low 1µA (typ) shutdown current (EN/UVLO = Low)
Strong gate drive (G1PU/G1PD: 1.69A src and 2A sink)
Adjustable short-circuit protection (ISCP) with adjustable response time (TMR) and fault flag output (
FLT
)
Fast transition from low power mode to active mode with WAKE indication
8µs switch over time from low power path to main path by external
LPM
trigger (low to high)
Adjustable load wakeup threshold (I
LWU
) with (6µs) switchover from low power path to main path
Fault indication (
FLT
) during short-circuit fault, charge pump undervoltage, and input undervoltage
Adjustable input undervoltage lockout (UVLO)
Short-circuit comparator diagnosis (SCP_TEST)