TPS74601PBQWDRVRQ1: High-Performance Adjustable Linear Voltage Regulator | Texas Instruments
TPS74601PBQWDRVRQ1: High-Performance Adjustable Linear Voltage Regulator by Texas Instruments
The TPS74601PBQWDRVRQ1 from Texas Instruments is a premium-grade, positive adjustable linear voltage regulator engineered for precision power management in mission-critical applications. As part of the PMIC - Voltage Regulators - Linear family, this IC delivers exceptional performance with advanced features tailored for modern electronics. Below, we explore its technical specifications, advantages, and ideal use cases to help you optimize your power supply design.
Product Overview
The TPS74601PBQWDRVRQ1 is a single-output LDO (Low Dropout) regulator capable of supplying 1A continuous current with an ultra-low dropout voltage of just 0.895V at full load. Housed in a compact 6-WSON (2x2) package with an exposed thermal pad, it combines space efficiency with superior heat dissipation. The device supports an input voltage range of 1.5V to 6V, making it compatible with diverse power sources, including Li-ion batteries and 5V rails.
Key Features and Specifications
Adjustable Output & Precision Regulation
- Output Voltage Range: 0.55V to 5.5V (user-adjustable via external resistors)
- Accuracy: 1.5% over line, load, and temperature variations
- Low Noise: Optimized for sensitive analog/digital loads
Efficiency & Power Management
- Dropout Voltage: 0.895V @ 1A (ensures high efficiency even at heavy loads)
- Quiescent Current: 36 A (ideal for battery-operated devices)
- Enable Pin: Allows shutdown mode to reduce power consumption to <1 A
Robust Protection & Reliability
- Protections: Overcurrent (OCP), Overtemperature (OTP), and reverse current blocking
- PSRR: 53dB @ 1kHz (excellent noise rejection for RF/analog circuits)
- Operating Temperature: -40 C to +125 C (AEC-Q100 qualified for automotive use)
Applications
The TPS74601PBQWDRVRQ1 is ideal for:
- Automotive Systems: Infotainment, ADAS, and ECU power supplies
- Industrial: PLCs, sensors, and test equipment
- Consumer Electronics: Smartphones, tablets, and IoT devices
- Medical: Portable diagnostic tools and patient monitors
Design Advantages
1. Thermal Performance: The 2x2mm WSON package with exposed pad minimizes thermal resistance ( JA = 42.3 C/W).
2. Layout Flexibility: Stable with small ceramic capacitors ( 1 F).
3. Automotive Ready: AEC-Q100 Grade 1 certification ensures reliability in harsh environments.
Comparison with Competing Models
| Parameter | TPS74601PBQWDRVRQ1 | Competitor X |
|---|---|---|
| Dropout Voltage | 0.895V @1A | 1.2V @1A |
| Iq | 36 A | 50 A |
| PSRR | 53dB | 40dB |
Conclusion
The TPS74601PBQWDRVRQ1 outperforms standard LDOs with its combination of high current capability, precision regulation, and robust protection features. Its automotive-grade qualification and compact footprint make it a top choice for engineers designing next-generation power systems. For datasheets, evaluation modules, and design tools, visit Texas Instruments' official product page.
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