SNVSCP5A
April 2025 – August 2025
TPS7H3024-SP
PRODMIX
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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
Timing Requirements
6.7
Quality Conformance Inspection
6.8
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage (IN), VLDO and REFCAP
8.3.1.1
Undervoltage Lockout (VPOR_IN < VIN < UVLO)
8.3.1.2
Power-On Reset (VIN < VPOR_IN )
8.3.2
SR_UVLO
8.3.3
SENSEx Inputs
8.3.3.1
VTH_SENSEX and VOUTx_RISE
8.3.3.2
IHYS_SENSEx and VOUTx_FALL
8.3.3.3
Input to Output Time Diagrams
8.3.3.4
Top and Bottom Resistive Divider Design Equations
8.3.4
MODE
8.3.5
Output Stages (RESETx, PWRGD, WDO, PULL_UP1 and PULL_UP2)
8.3.5.1
Push-Pull Outputs
8.3.6
WDI
8.3.7
User-Programmable TIMERS
8.3.7.1
DLY_TMR
8.3.7.2
WD_TMR
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Window Voltage Monitoring
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Input Power Supplies and Decoupling Capacitors
9.2.1.2.2
SR_UVLO Threshold
9.2.1.2.3
SENSEx Thresholds
9.2.1.3
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
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
1
Features
Radiation performance:
Radiation hardness assurance (RHA) up to a total ionizing dose (TID) of 100krad(Si)
Single-event latchup (SEL), single-event burnout (SEB), and single-event gate rupture (SEGR) immune up to linear energy transfer (LET) = 75MeV-cm
2
/mg
Single-event functional interrupt (SEFI) and single-event transient (SET) characterized up to LET = 75MeV-cm
2
/mg
Wide supply IN voltage range (V
IN
): 3V to 14V
Monitor up to 4 voltage rails with high accuracy:
TPS7H3024: 2 OV + 2 UV or 2 window with push-pull
RESETx
Monitor coherent processor execution using the watchdog timer
Single resistor programmable global delay timer
Programmable watchdog time-out
Precision threshold voltage and hysteresis current:
V
TH_SENSEx
of
599.7mV
±
1%
across: voltage, temperature, and radiation (TID)
I
HYS_SENSEx
of
24μA
±
3%
across: voltage, temperature, and radiation (TID)
Push-Pull outputs with programmable pull-up voltage between 1.6V to 7V
Global
RESETx
pull-up domain (V
PULL_UP1
)
Common PWRGD and
WDO
pull-up domain (V
PULL_UP2
)
SR_
UVLO
input to reset all outputs
Can also be utilized as configurable undervoltage lockout with an external resistor divider
Available in military (–55°C to 125°C) temperature range