TPS62590DRVR - 2.25MHz 1A Step-Down Converter | Texas Instruments
MPN: TPS62590DRVR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.25 | $1.25 |
| 10 | $1.12 | $11.20 |
| 100 | $0.95 | $95.00 |
| 500 | $0.82 | $410.00 |
| 1,000 | $0.72 | $720.00 |
Drop-in alternatives for TPS62590DRVR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
TPS62590DRVT
✅ Drop-In📋 Reference alternative (not in catalog)
TPS62591DRVR
✅ Drop-In📋 Reference alternative (not in catalog)
TPS62592DRVR
✅ Drop-In📋 Reference alternative (not in catalog)
TPS62593DRVR
✅ Drop-In📋 Reference alternative (not in catalog)
TPS62590TDRVRQ1
✅ Drop-In📋 Reference alternative (not in catalog)
TPS62590DRVR
✅ Drop-In✓ In Stock
$0.72 / Unit
View Datasheet →TPS62590DRVR Maximum Ratings & Electrical Characteristics
| Function | Step-Down (Buck) |
| Output Current | 1 A |
| Input Voltage Range | 2.5 V to 5.5 V |
| Output Voltage Range | 0.75 V to 5.5 V |
| Switching Frequency | 2.25 MHz |
| Quiescent Current | 15 µA (typ) |
| Output Voltage Accuracy | ±2.5% (PWM mode) |
| Duty Cycle | 100% (max) |
| Package | 6-WSON (2mm x 2mm) |
| Operating Temperature Range | -40°C to +85°C (TA) |
| Junction Temperature Range | -40°C to +125°C |
| Mounting Type | Surface Mount |
| Synchronous Rectification | Yes |
| Soft Start | Internal |
| RoHS Status | Compliant |
TPS62590DRVR Pin Configuration
| Pin 1 | SW — Switch node connection to inductor |
| Pin 2 | GND — Ground |
| Pin 3 | FB — Feedback voltage input |
| Pin 4 | EN — Enable input (active high) |
| Pin 5 | VIN — Input supply voltage |
| Pin 6 | VOUT — Output voltage sense |
| Pin 7 | PAD — Exposed thermal pad (GND) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
TPS62590DRVR is suitable for 6 applications: Battery-Powered Portable Devices, Point-of-Load (POL) Converters, IoT and Wearable Devices, Industrial Control Systems, Networking Equipment, Medical Monitoring Devices.
Battery-Powered Portable Devices
The TPS62590DRVR is ideal for battery-powered portable devices such as smartphones, tablets, and handheld instruments. Its input voltage range of 2.5V to 5.5V directly supports single-cell Li-Ion batteries (3.0V-4.2V) and 2-3 AA/AAA cells. The high efficiency (up to 95%) and low quiescent current of 15µA extend battery life, while the 2.25MHz switching frequency allows the use of tiny inductors and capacitors, minimizing PCB area. The adjustable output from 0.75V to 5.5V can power various logic rails, from core voltages to I/O supplies. The 1A output current is sufficient for most portable applications, including microcontrollers, sensors, and wireless modules. The compact 2mm x 2mm WSON package fits into space-constrained designs, making it a preferred choice for modern portable electronics.
Recommended
Point-of-Load (POL) Converters
The TPS62590DRVR serves as an efficient point-of-load (POL) converter in systems with a 5V or 3.3V intermediate bus. It steps down to lower voltages (e.g., 1.2V, 1.8V) for digital cores, I/O, and memory. The 2.25MHz switching frequency enables a small solution footprint, which is critical in dense PCB layouts. The synchronous rectification eliminates the need for an external Schottky diode, reducing component count and improving efficiency. The device's fast transient response ensures stable operation during load steps, which is essential for processors and FPGAs. The adjustable output voltage provides design flexibility, and the 100% duty cycle capability allows low dropout operation, maximizing efficiency when input and output voltages are close. The TPS62590DRVR is a reliable choice for POL applications in networking, industrial, and consumer electronics.
Recommended
IoT and Wearable Devices
In IoT and wearable devices, power efficiency and size are paramount. The TPS62590DRVR's low quiescent current (15µA) and high efficiency at light loads extend battery life in always-on sensors and wireless transceivers. The 2.25MHz switching frequency allows the use of a small inductor (e.g., 2.2µH) and ceramic capacitors, reducing the overall solution size to fit into wearables like smartwatches and fitness trackers. The input voltage range supports coin cells (2.5V) and Li-Ion batteries (up to 5.5V). The adjustable output can power sensors, MCUs, and RF modules at their optimal voltages. The device's thermal performance, aided by the exposed pad, ensures reliable operation in compact enclosures. The TPS62590DRVR is a proven solution for battery-powered IoT nodes requiring long operational life.
Recommended
Industrial Control Systems
The TPS62590DRVR is suitable for industrial control systems that require a stable, efficient power supply from a 5V or 3.3V rail. Its wide input range (2.5V to 5.5V) accommodates variations in the supply voltage, and the 2.25MHz switching frequency reduces the size of external components, saving board space in control panels. The device's overcurrent protection and thermal shutdown enhance system reliability. The adjustable output voltage allows it to power sensors, actuators, and microcontrollers at their required voltages. The operating temperature range of -40°C to +85°C covers most industrial environments. The TPS62590DRVR's high efficiency reduces heat generation, which is beneficial in sealed enclosures. It is a cost-effective solution for distributed power architectures in factory automation and process control.
Recommended
Networking Equipment
In networking equipment such as routers, switches, and access points, the TPS62590DRVR provides efficient point-of-load conversion from a 5V or 3.3V bus to lower voltages for ASICs, FPGAs, and PHYs. The 2.25MHz switching frequency allows the use of small inductors, which is beneficial in high-density line cards. The device's high efficiency reduces thermal load, improving reliability in confined spaces. The adjustable output voltage supports various logic levels, and the fast transient response ensures stable operation during bursty network traffic. The TPS62590DRVR's small package (2mm x 2mm) is ideal for space-constrained designs. It also features 100% duty cycle operation, minimizing dropout when the input voltage is close to the output. This makes it a versatile choice for powering networking ICs.
Recommended
Medical Monitoring Devices
The TPS62590DRVR is well-suited for medical monitoring devices such as portable patient monitors, glucose meters, and wearable health trackers. These devices require reliable, efficient power from batteries, and the TPS62590DRVR's low quiescent current (15µA) and high efficiency extend battery life, which is critical for continuous monitoring. The input voltage range supports common battery chemistries, and the adjustable output can power sensors, ADCs, and microcontrollers. The small package and minimal external components make it ideal for compact, wearable designs. The device's thermal performance ensures stable operation in close contact with the body. The TPS62590DRVR meets the reliability requirements of medical electronics, providing a clean, stable power supply for sensitive analog and digital circuits.
Recommended
Recommended Products Summary
Engineering reference data for TPS62590DRVR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | TPS62590DRVT | TPS62591DRVR | TPS62592DRVR | TPS62593DRVR | TPS62590TDRVRQ1 |
|---|---|---|---|---|---|---|
| Package | 6-WSON (2mm x 2mm) | 6-WSON (2mm x 2mm) | 6-WSON (2mm x 2mm) | 6-WSON (2mm x 2mm) | 6-WSON (2mm x 2mm) | 6-WSON (2mm x 2mm) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Output Current | 1 A | 1 A | 1 A | 1 A | 1 A | 1 A |
| Input Voltage Range | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V |
| Output Voltage Range | 0.75V to 5.5V (adjustable) | 0.75V to 5.5V (adjustable) | Fixed (e.g., 1.8V) | Fixed (e.g., 1.2V) | Fixed (e.g., 3.3V) | 0.75V to 5.5V (adjustable) |
| Switching Frequency | 2.25 MHz | 2.25 MHz | 2.25 MHz | 2.25 MHz | 2.25 MHz | 2.25 MHz |
| Quiescent Current | 15 µA (typ) | 15 µA (typ) | 15 µA (typ) | 15 µA (typ) | 15 µA (typ) | 15 µA (typ) |
| Automotive Grade | No | No | No | No | No | Yes (AEC-Q100) |
Key Differentiators
- 2.25MHz switching frequency enables small external components (vs TPS62590DRVT)
- Low quiescent current of 15µA (vs TPS62590DRVT)
- Adjustable output voltage from 0.75V to 5.5V (vs TPS62591DRVR)
Design Notes
Place the input capacitor (10µF ceramic) as close as possible to the VIN and GND pins to minimize input ripple and voltage spikes. The output capacitor (22µF ceramic) should be placed near the VOUT and GND pins. Use a solid ground plane and connect the exposed pad to it with multiple vias for thermal and electrical performance. Keep the feedback trace short and away from the switch node to avoid noise coupling.
The TPS62590DRVR's exposed thermal pad must be soldered to a PCB copper area to dissipate heat effectively. For typical applications with 1A output and 3.3V to 1.8V conversion, power dissipation is about 0.5W, which is manageable with a 1cm² copper area. For higher input-output differentials, increase the copper area or add thermal vias. The junction-to-ambient thermal resistance is approximately 60°C/W, so ensure the junction temperature stays below 125°C.
Do not exceed the absolute maximum input voltage of 6V. Ensure the feedback resistor divider uses 1% tolerance resistors to maintain output accuracy. The inductor should have a saturation current rating higher than the peak switch current (typically 1.5A). Avoid using inductors with too low a value, as this can cause instability. Also, ensure the EN pin is not left floating; tie it to VIN if not used.
Compliance Information
RoHS compliant per TI product page. Not AEC-Q100 qualified; choose TPS62590TDRVRQ1 for automotive.
