Overview
The TPS1H000AQDGNRQ1, produced by Texas Instruments, is a 40-V, 1-Ω, single-channel automotive smart high-side power switch IC. This device is designed to provide high reliability and flexibility in various automotive and industrial applications. It features an integrated 1000-mΩ NMOS power FET and an adjustable current limit, which enhances system reliability by protecting against inrush or overload currents. The device supports full diagnostics with digital status output and can operate with or without a microcontroller (MCU), making it versatile for standalone and complex control systems.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package | HVSSOP (DGN) | 8-pin package, 3mm x 3mm size |
| Operating Temperature Range | -40°C to 125°C | Ambient operating temperature range |
| Input Voltage Range | 6 V to 18 V | Recommended operating voltage range |
| Current Limit | Adjustable up to 500 mA | High-accuracy current limit to protect against overcurrent conditions |
| On-Resistance | 1 Ω | Typical on-resistance of the NMOS power FET |
| ESD Classification | HBM Level H2, CDM Level C | Electrostatic discharge classification |
| Standby Current | 3 mA (with diagnostics enabled) | Standby current when diagnostics are enabled |
Key Features
- AEC-Q100 Qualified: Meets automotive standards with a device temperature grade 1: –40°C to 125°C ambient operating temperature range.
- Adjustable Current Limit: High-accuracy current limit to protect against overcurrent conditions, improving system reliability and reducing PCB trace and connector sizes.
- Full Diagnostics: Digital status output for real-time monitoring of the device, including open-load detection and short-to-battery detection in both ON and OFF states.
- Standalone Operation: Can operate without an MCU, allowing for use in isolated systems and providing local implementation of full functionality.
- Thermal Protection: Includes thermal shutdown and dynamic thermal protection to ensure device reliability under severe power stressing conditions.
- Configurable Behaviors: Supports three different behaviors during current limit events: hold current, latch off, or auto-retry, configurable via the DELAY pin.
Applications
The TPS1H000AQDGNRQ1 is suitable for a wide range of applications, including:
- Automotive Systems: Qualified for automotive applications, making it ideal for use in vehicles.
- Industrial Automation: Used in industrial automation, robotics, and motor control due to its high reliability and efficiency.
- Power Management: Effective in power management and battery management systems where high-energy efficiency and compact design are required.
- LED, Relay, and Sub-module Control: Can control various types of loads such as LEDs, relays, and sub-modules.
Q & A
- What is the operating temperature range of the TPS1H000AQDGNRQ1?
The operating temperature range is -40°C to 125°C.
- What is the typical on-resistance of the NMOS power FET in the TPS1H000AQDGNRQ1?
The typical on-resistance is 1 Ω.
- Does the TPS1H000AQDGNRQ1 support operation without an MCU?
- What types of thermal protection does the TPS1H000AQDGNRQ1 have?
- How can the current limit behavior be configured in the TPS1H000AQDGNRQ1?
- What is the purpose of the adjustable current limit in the TPS1H000AQDGNRQ1?
- Does the TPS1H000AQDGNRQ1 support open-load detection?
- What is the package type and size of the TPS1H000AQDGNRQ1?
- Is the TPS1H000AQDGNRQ1 AEC-Q100 qualified?
- What types of loads can the TPS1H000AQDGNRQ1 control?
