Overview
The TPS70950QDRVRQ1 is an automotive-grade (AEC-Q100) ultra-low-power linear regulator (LDO) from Texas Instruments , designed for power-sensitive automotive and industrial systems.
This device provides a fixed 5.0V output with extremely low quiescent current (1µA typically) and a wide input voltage range , significantly reducing system power consumption in standby or sleep modes. Meanwhile, its excellent power supply rejection ratio (PSRR) and stable output characteristics make it ideal as a power supply solution for MCUs, power management modules, sensors, and communication modules .
The TPS70950QDRVRQ1 features a compact WSON (DRV) package and is automotive-grade certified for long-term stable operation in harsh environments.
Core parameters
| Parameter Items | Specification |
| Output voltage | 5.0V (fixed) |
| Input voltage range | 2.7V ~ 30V |
| Output current | 150mA (maximum) |
| Static current (Iq) | 1µA (typical) |
| Dropout | 300mV (typical @ 150mA) |
| PSRR | 60dB (typical) |
| Output accuracy | ±2% |
| Startup time | Quick Start |
| Protection function | Overcurrent protection, thermal shutdown |
| Operating temperature range | -40°C ~ +125°C |
| Encapsulation type | WSON-6 (DRV) |
| Certification | AEC-Q100 (Automotive Grade) |
| Environmental standards | RoHS / Lead-free |
Features
- Ultra-low quiescent current (1µA)
- Significantly reduces standby power consumption
- Ideal for battery-powered systems and automotive standby modules
- Wide input voltage range (up to 30V)
- It can be directly connected to the vehicle’s 12V/24V power supply system.
- Adaptable to industrial power fluctuation environments
- Highly stable output and low noise
- Suitable for powering analog circuits and sensitive signal chains
- Low voltage drop design (LDO)
- It can still operate stably near the output voltage, improving efficiency.
- Complete protection mechanism
- Overcurrent protection (OCP)
- Thermal shutdown (TSD)
- Output short circuit protection
- Automotive-grade reliability
- AEC-Q100 Certification
- Wide operating temperature range (–40°C ~ +125°C)
Typical application scenarios
- Automotive electronic systems
- Body Control Module (BCM)
- Power supply for vehicle sensors
- Infotainment system
- Battery-powered devices
- Portable devices
- Remote monitoring module
- Industrial Control Systems
- PLC controller power supply
- Industrial sensor power supply
- Embedded system power supply
- MCU (such as low-power controller)
- Wireless communication module (BLE / LoRa / Zigbee)
Performance Comparison
| Index | TPS70950-Q1 | LM2940 (Classic LDO) | TLV700 (Low Voltage LDO) |
| Static current | 1µA | 10mA | 35µA |
| Input voltage | 2.7–30V | 6–26V | 2–5.5V |
| Output current | 150mA | 1A | 200mA |
| Automotive-grade certification | ✔ | ✔ | ✘ |
| Packaging | Small WSON | TO-220 / SOT-223 | SOT-23 |
The core advantages of the TPS70950 are: ultra-low power consumption + wide input voltage + automotive-grade reliability.
Manufacturer Profile: Texas Instruments
Texas Instruments is a leading global manufacturer of analog and embedded processors, with its power management ICs holding a significant market share in automotive electronics and industrial systems.
The TPS709 series focuses on low-power LDO regulators , providing reliable support for modern low-power designs.
Why choose TPS70950QDRVRQ1?
● 1µA ultra-low quiescent current (industry-leading)
● Supports 30V input, compatible with automotive/industrial power supplies
● Stable 5V output, suitable for MCU and sensor power supply
● Automotive-grade certified (AEC-Q100)
● Low voltage drop design for improved efficiency
● Small package saves PCB space
● High reliability and comprehensive protection mechanisms
Frequently Asked Questions (FAQ)
Q1: Is it suitable for 24V industrial systems?
Yes, it is ideal. This device supports input voltages up to 30V , meeting the application requirements of 24V industrial power supplies under surge and fluctuation conditions, and is suitable for industrial control, power monitoring and protection circuits, etc.
Q2: Can it be used in battery-powered systems?
Yes. The ultra-low quiescent current (approximately 1µA) significantly reduces standby power consumption, helps extend battery life, and is ideal for portable devices, remote sensors, and low-power systems.
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Product Details: Win Source – TPS70950QDRVRQ1
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