Overview
The TPS1H100AQPWPRQ1 is a fully protected single-channel high-side power switch developed by Texas Instruments. This device is designed for the intelligent control of various types of resistive, inductive, and capacitive loads. It features an integrated 1000-mΩ NMOS power FET and a charge pump, making it suitable for applications requiring precise current control and high reliability. The device is AEC-Q100 qualified, ensuring it meets stringent automotive standards with a temperature range of –40°C to 125°C. It supports standalone operation without the need for a microcontroller (MCU) and offers full diagnostics, including overload, short-to-ground, and thermal shutdown detection.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | HTSSOP (14 pins) | - |
| Operating Temperature Range | –40°C to 125°C | °C |
| Operating Voltage Range | 3.5 V to 40 V | V |
| Standby Current | < 0.5 µA | µA |
| Current Limit Accuracy | ±15% (≥150 mA), ±10% (≥300 mA) | % |
| Maximum Load Current | 4 A | A |
| Switch On Resistance | 1000 mΩ | mΩ |
| ESD Classification | HBM Level H3A, CDM Level C4B | - |
Key Features
- Qualified for automotive applications with AEC-Q100 certification.
- Single-channel smart high-side power switch with integrated NMOS power FET and charge pump.
- Wide operating voltage range from 3.5 V to 40 V.
- Low standby current of less than 0.5 µA.
- Programmable current limit with external resistor.
- Configurable behavior after current limit: holding mode, latch-off mode with adjustable delay time, and auto-retry mode.
- Full diagnostics including overload, short-to-ground, thermal shutdown, and open-load detection.
- Supports standalone operation without an MCU.
- Protection features include short-to-GND, overload, thermal shutdown, negative voltage clamp for inductive loads, loss-of-GND, and loss-of-battery protection.
Applications
- Single-channel LED driver.
- Single-channel high-side relay driver.
- Body lighting.
- Advanced Driver Assistance Systems (ADAS) sensors.
- General resistive, inductive, and capacitive loads.
- High-side power switch for sub-modules.
- Power switch for low-wattage lamps.
- High-side relays and solenoids.
- PLC digital output power switch.
Q & A
- What is the TPS1H100AQPWPRQ1 device?
The TPS1H100AQPWPRQ1 is a fully protected single-channel high-side power switch with an integrated NMOS power FET and charge pump, designed for controlling various types of loads.
- What are the operating temperature and voltage ranges of the TPS1H100AQPWPRQ1?
The device operates within a temperature range of –40°C to 125°C and a voltage range of 3.5 V to 40 V.
- What types of loads can the TPS1H100AQPWPRQ1 control?
The device can control resistive, inductive, and capacitive loads.
- What protection features does the TPS1H100AQPWPRQ1 offer?
The device includes protection features such as overload, short-to-GND, thermal shutdown, negative voltage clamp for inductive loads, loss-of-GND, and loss-of-battery protection.
- Can the TPS1H100AQPWPRQ1 operate without an MCU?
- What is the accuracy of the current limit in the TPS1H100AQPWPRQ1?
The current limit accuracy is ±15% for currents ≥150 mA and ±10% for currents ≥300 mA.
- What is the maximum load current the TPS1H100AQPWPRQ1 can handle?
The maximum load current is 4 A.
- What are the ESD classification levels for the TPS1H100AQPWPRQ1?
The device has HBM ESD classification level H3A and CDM ESD classification level C4B.
- What diagnostic features are available in the TPS1H100AQPWPRQ1?
The device offers full diagnostics including overload, short-to-ground, thermal shutdown, and open-load detection in both ON and OFF states.
- What are some common applications of the TPS1H100AQPWPRQ1?
