SLUSFA1
September 2024
TPS1214-Q1
ADVANCE INFORMATION
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
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, GATE, BST, SRC)
8.3.2
Capacitive Load Driving
8.3.2.1
Using Low Power Bypass FET (G Drive) for Load Capacitor Charging
8.3.2.2
Using Main FET (GATE drive) Gate Slew Rate Control
8.3.3
Overcurrent and Short-Circuit Protection
8.3.3.1
I2t-Based Overcurrent Protection
8.3.3.1.1
I2t-Based Overcurrent Protection With Auto-Retry
8.3.3.1.2
I2t-Based Overcurrent Protection With Latch-Off
8.3.3.2
Short-Circuit Protection
8.3.4
Analog Current Monitor Output (IMON)
8.3.5
NTC based Temperature Sensing (TMP) and Analog Monitor Output (ITMPO)
8.3.6
Fault Indication and Diagnosis (FLT, SCP_TEST)
8.3.7
Reverse Polarity Protection
8.3.8
Undervoltage Protection (UVLO)
8.4
Device Functional Modes
8.4.1
State Diagram
8.4.2
State Transition Timing Diagram
8.4.3
Power Down
8.4.4
Shutdown Mode
8.4.5
Low Power Mode (LPM)
8.4.6
Active Mode (AM)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application 1: Driving Power at all times (PAAT) Loads With Automatic Load Wakeup
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
Typical Application 2: Driving Power at all times (PAAT) Loads With Automatic Load Wakeup and Output Bulk Capacitor Charging
9.3.1
Design Requirements
9.3.2
External Component Selection
9.3.3
Application Curves
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
12.1
Tape and Reel Information
12.2
Mechanical Data
封装选项
机械数据 (封装 | 引脚)
RGE|23
MPQF802
散热焊盘机械数据 (封装 | 引脚)
订购信息
slusfa1_oa
9.2.3
Application Curves
Figure 9-2
Start-Up Profile of Low Power Path (
LPM
= Low, VIN = 12V, No Load, C
BST
= 470nF)
Figure 9-4
Zoom-In View of State Transition From LPM to Active Mode (
LPM
= Low, VIN = 12V, EN/UVLO = High)
Figure 9-6
State Transition From LPM to Active Mode (
LPM
= Low to High, VIN = 12V, No Load)
Figure 9-8
I
2
T based Overcurrent Response of TPS1214-Q1 EVM for 6A to 16A Load Step
Figure 9-10
Auto-Retry Response of TPS1214-Q1 for an I
2
T-Based Overcurrent Fault
Figure 9-12
Output Short-Circuit Response of TPS1214-Q1
Figure 9-14
GATE
Turn-ON
During Input Reverse Battery Fault for TPS12141-Q1 and TPS12143-Q1
Figure 9-16
SCP_TEST Diagnosis in Active Mode (
LPM
= High)
Figure 9-3
State Transition From LPM to Active Mode (
LPM
= Low, VIN = 12V, EN/UVLO = High)
Figure 9-5
When
LPM
= Low in LOAD WAKEUP state, INP Has No Control on GATE
Figure 9-7
With
LPM
= Low to High, INP Gained Control on GATE (VIN = 12V, No Load)
Figure 9-9
I
2
T based Overcurrent Response of TPS1214-Q1 EVM for 6A to 23A Load Step
Figure 9-11
Latch-Off Response of TPS1214-Q1 for an I
2
T-Based Overcurrent Fault
Figure 9-13
TPS1214-Q1 Current Monitoring Output (IMON) Transient Response
Figure 9-15
GATE
Turn-OFF
During Input Reverse Battery Fault for TPS12140-Q1 and TPS12142-Q1
Figure 9-17
SCP_TEST Diagnosis in Low Power Mode (
LPM
= Low)
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