Overview
The TPS1H200AQDGNRQ1 is a 40-V, 200-mΩ single-channel smart high-side power switch developed by Texas Instruments. This device is integrated with an NMOS power FET and is designed to enhance system reliability through its adjustable current limit feature. It is fully protected and offers comprehensive diagnostic capabilities, including open-load detection in both ON and OFF states. The TPS1H200AQDGNRQ1 is AEC-Q100 qualified, making it suitable for automotive applications, and it supports operation with or without a microcontroller (MCU), allowing for stand-alone mode in isolated systems.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Voltage | 3.4 V to 40 V |
| On-Resistance (Rds(on)) | 200 mΩ |
| Current Limit | Adjustable with external resistor, ±15% when ≥ 500 mA, ±10% when ≥ 1.5 A |
| Standby Current | < 500 nA |
| Operating Temperature | –40°C to +125°C |
| Package | 8-TSSOP, 8-MSOP with exposed thermal pad |
| ESD Classification | HBM ESD Classification Level H2, CDM ESD Classification Level C4B |
Key Features
- Qualified for automotive applications and AEC-Q100 certified
- Adjustable current limit with high accuracy to improve system reliability and overload protection
- Configurable behavior after current limit: holding mode, latch-off mode with adjustable delay time, and auto-retry mode
- Full diagnostics with digital status output and open-load detection in ON and OFF states
- Supports stand-alone operation without an MCU
- Protection features include short-to-GND, overload, thermal shutdown, thermal swing, and negative voltage clamp for inductive loads
- Functional safety-capable with available documentation for system design
Applications
- Body lighting
- Infotainment systems
- Advanced Driver Assistance Systems (ADAS)
- Single-channel high-side switch for submodules
- General resistive, inductive, and capacitive loads
Q & A
- What is the TPS1H200AQDGNRQ1?
The TPS1H200AQDGNRQ1 is a 40-V, 200-mΩ single-channel smart high-side power switch with an integrated NMOS power FET.
- What are the key applications of the TPS1H200AQDGNRQ1?
Key applications include body lighting, infotainment systems, ADAS, single-channel high-side switch for submodules, and general resistive, inductive, and capacitive loads.
- What is the operating voltage range of the TPS1H200AQDGNRQ1?
The operating voltage range is 3.4 V to 40 V.
- How does the adjustable current limit feature work?
The adjustable current limit can be set with an external resistor and offers ±15% accuracy when ≥ 500 mA and ±10% accuracy when ≥ 1.5 A.
- What protection features does the TPS1H200AQDGNRQ1 offer?
The device offers short-to-GND, overload, thermal shutdown, thermal swing, and negative voltage clamp for inductive loads.
- Can the TPS1H200AQDGNRQ1 operate without an MCU?
- What is the significance of the AEC-Q100 qualification?
The AEC-Q100 qualification indicates that the device is suitable for automotive applications and meets specific reliability and performance standards.
- How does the device handle open-load detection?
The device provides open-load detection in both ON and OFF states.
- What are the configurable behaviors after a current limit is reached?
The device can be configured to hold the current, latch off after a preset delay, or auto-retry.
- What is the purpose of the digital status output?
The digital status output provides full diagnostics of the device's status.
