TPS74510PQWDRVRQ1
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| Part Number | TPS74510PQWDRVRQ1 |
|---|---|
| Manufacturer |
 Texas Instruments
|
| Description | The TPS74510PQWDRVRQ1 is an automotive-qualified, low-noise 500mA low-dropout linear voltage regulator (LDO) from Texas Instruments. Designed for reliable and efficient point-of-load power regulation, the device provides a fixed 1.0V output with low quiescent current, integrated power-good monitoring, enable control, and comprehensive protection features in a compact 2 × 2mm WSON package. The TPS74510PQWDRVRQ1 belongs to the TPS745-Q1 automotive LDO regulator family, which is optimized for applications requiring accurate low-voltage power rails, low power consumption, compact PCB dimensions, and reliable operation in demanding automotive environments. The device provides a fixed regulated output voltage of 1.0V and supports a maximum continuous output current of 500mA. This makes it particularly suitable for powering low-voltage digital logic, microcontroller and processor core supplies, FPGA circuitry, communication interfaces, and other electronic subsystems requiring a stable 1.0V supply rail. The regulator supports an input voltage range extending up to 6.0V, allowing operation from commonly used intermediate supply rails such as 1.8V, 2.5V, 3.3V, and 5V, provided sufficient input-to-output voltage headroom is available for regulation. The TPS74510PQWDRVRQ1 features a low-dropout architecture that enables efficient linear regulation when the input voltage is close to the required output voltage. The maximum specified dropout voltage is approximately 420mV at 500mA, allowing the device to maintain regulation with relatively low input-to-output voltage differential under the specified operating conditions. A major advantage of the TPS745-Q1 family is its low operating current. The TPS74510PQWDRVRQ1 features a typical quiescent current of approximately 36µA, helping minimize power consumption in automotive electronic modules, battery-powered systems, and equipment with strict standby-current requirements. The device includes an integrated enable input (EN) that allows the regulator to be turned on or off by an external controller. This feature is useful for implementing power sequencing, dynamic power management, selective subsystem shutdown, and energy-saving operating modes. An integrated power-good (PG) output provides a status indication when the regulated output voltage reaches the appropriate operating range. The power-good signal can be connected to a microcontroller, processor reset circuit, supervisor, or power-management controller to coordinate system startup and monitor the regulated supply. The power-good function is particularly useful in applications containing multiple supply rails. By monitoring the regulator output, the system can ensure that critical digital circuitry is powered correctly before releasing reset signals or enabling dependent subsystems. The TPS74510PQWDRVRQ1 provides good power-supply rejection ratio (PSRR) characteristics, helping attenuate unwanted ripple and noise present on the input supply. Representative PSRR performance ranges from approximately 57dB at 1kHz to 35dB at 1MHz, depending on the operating conditions and external components. This supply-noise rejection capability makes the regulator suitable for powering sensitive digital and mixed-signal circuitry from switching regulator outputs. In automotive electronics, the TPS74510PQWDRVRQ1 can be used as a secondary point-of-load regulator following an upstream DC/DC converter. The device supports stable operation with compact ceramic output capacitors, allowing designers to implement a small and cost-effective power supply. Appropriate input and output bypass capacitors should be selected according to the manufacturer's recommended application circuit and layout guidelines. The TPS745-Q1 architecture is designed to provide good load transient performance, allowing the regulator to respond to rapid changes in output current. This is particularly important when powering processors, FPGAs, communication devices, and digital logic circuits with dynamically changing current requirements. The regulator incorporates an internal soft-start function that helps control output voltage rise during startup. Controlled startup behavior reduces unwanted transients and supports predictable initialization of the downstream circuitry. Integrated overcurrent protection limits excessive output current during abnormal load conditions. This helps protect the regulator and connected circuitry when the load current exceeds the intended operating range. The device also includes short-circuit protection, providing additional protection against output faults. The current-limiting circuitry helps prevent uncontrolled current flow during a short-circuit condition, subject to the regulator's thermal and electrical operating limits. An integrated thermal shutdown function protects the regulator against excessive junction temperature. If the internal temperature exceeds the protection threshold, the regulator can disable its output to reduce power dissipation and prevent thermal damage. The TPS74510PQWDRVRQ1 also incorporates undervoltage lockout (UVLO) circuitry to help ensure predictable operation when the input supply is insufficient for normal regulator operation. These protection functions contribute to system reliability during startup, shutdown, and abnormal operating conditions. The TPS74510PQWDRVRQ1 is AEC-Q100 qualified for automotive applications. The device is specified for an operating junction temperature range of -40°C to +125°C, supporting use in automotive control modules and industrial electronic systems requiring extended temperature operation. The device is particularly suitable for automotive electronic control units (ECUs), where multiple regulated low-voltage rails are often required for processors, microcontrollers, sensors, and communication circuits. Its fixed 1.0V output makes it a practical solution for low-voltage digital core power requirements. In advanced driver-assistance systems, the regulator can provide a clean local supply for compatible processing, sensing, and interface circuitry. The integrated enable and power-good functions support coordinated power sequencing and supply monitoring within complex automotive electronic architectures. The TPS74510PQWDRVRQ1 can also be used in automotive infotainment, telematics, body electronics, dashboard systems, and communication modules. Its low quiescent current and compact footprint make it attractive for densely populated automotive PCB assemblies. The TPS74510PQWDRVRQ1 is supplied in a compact 6-pin WSON package, identified by Texas Instruments package code DRV. The package measures approximately 2.0 × 2.0mm, providing a small footprint for space-constrained power-management designs. The package incorporates an exposed thermal pad to improve heat transfer from the regulator into the PCB. Proper thermal pad connection, copper area, and PCB layout are important for maintaining acceptable junction temperatures, particularly when operating with a large input-to-output voltage differential or high output current. The PQWD ordering configuration identifies the automotive-qualified package option with wettable-flank terminals. Wettable flanks improve the visibility of solder joints during automated optical inspection, supporting automotive manufacturing processes and PCB assembly quality verification. The R ordering designation identifies the tape-and-reel packaging option. The TPS74510PQWDRVRQ1 is supplied in a manufacturer-standard reel quantity of 3000 devices, making it suitable for automated SMT assembly and high-volume automotive electronics manufacturing. The TPS74510PQWDRVRQ1 is designed for lead-free surface-mount manufacturing and is suitable for modern automotive PCB assembly processes. Designers should follow the manufacturer's recommendations for PCB land patterns, thermal pad design, soldering profiles, input and output capacitor placement, and power dissipation. The combination of fixed 1.0V output, 500mA current capability, 6V maximum input voltage, 36µA typical quiescent current, 420mV maximum dropout voltage, integrated enable control, power-good monitoring, PSRR performance, overcurrent protection, thermal shutdown, UVLO, AEC-Q100 qualification, and compact wettable-flank WSON packaging makes the TPS74510PQWDRVRQ1 an effective solution for automotive low-voltage point-of-load regulation. The TPS74510PQWDRVRQ1 is widely used in automotive electronic control units, advanced driver-assistance systems, infotainment equipment, telematics modules, body control modules, digital instrument clusters, microcontroller power supplies, processor core voltage regulation, FPGA power rails, automotive communication interfaces, sensor modules, industrial control systems, embedded computing equipment, mixed-signal electronics, and general-purpose low-voltage power management applications. |
| Product Group | Voltage Regulator |
| MOQ | 3000 pcs |
| SPQ | 3000 pcs |
| Figure/Case | 6-WSON |
| Package | T&R Pack |
 PDF Datasheet | |
| Ship From | Hong Kong |
| Shipment Way | DHL / Fedex / TNT / UPS / Others |
| Delivery Term | Ex-Works |
| Send RFQ | sales@signalhk.com |
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TPS74510PQWDRVRQ1
TPS74510PQWDRVRQ1