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STMICROELECTRONICS ST1PS02DQTR Ultra Low Power Buck Converter
The ST1PS02 is an ultra-low quiescent synchronous step-down converter designed for compact and high-efficiency power regulation in portable and wearable devices. It provides up to 400 mA current with input voltage from 1.8 V to 5.5 V. Features include dynamic voltage selection, Power Good indicator, AUX switch, seamless PWM/PFM modes, and ultra-low quiescent current of 500 nA. The device offers excellent efficiency, small TQFN12 package, embedded soft-start, and adjustable current limit, making it ideal for energy harvesting, personal tracking, and low-power industrial sensors.
STMICROELECTRONICS ST1PS02DQTR Ultra Low Power Buck Converter Specifications:
- Input Voltage Range: 1.8 V to 5.5 V
- Output Voltage Range: 1.0 V to 3.3 V (configurable via pins D1, D2, DO)
- Output Current Capability: Up to 400 mA
- Quiescent Current: 500 nA (not switching at Vout=3.6 V, Iload=0)
- Efficiency: Typical 92% at 10 mA load
- Operating Temperature: -40°C to 85°C
- Package: TQFN12 (2.0 x 1.7 mm)
- Switching Frequency: Up to 2 MHz in PWM mode
- Undervoltage Lockout: 1.63 V (typ.)
- Soft-start: Embedded circuitry with limited inrush current
- Built-in Power Good indicator, open drain
- Auxiliary output Vout2 with external control
- Selectable load current limit via external resistor
- Low ESR ceramic output capacitor recommended, 10 pF to 100 nF
- Thermal Resistance: Details on datasheet
- Environmental Compliance: ECOPACK grade options
Buy the STMicroelectronics ST1PS02 – Reliable Power Management for Industrial Applications
Experience the benefits of the ST1PS02 ultra low power buck converter, providing high efficiency and minimal quiescent current ideal for energy harvesting, wearables, and IoT sensors. Its small TQFN12 package and dynamic voltage adjustment enable compact design for portable devices. With integrated soft-start, Power Good indicator, and adjustable current limit, this converter ensures reliable power regulation tailored for low-power applications. Purchase online today to upgrade your energy harvesting and wearable projects with precision and durability.
Get ST1PS02 today—built for ultra-low power efficiency and seamless operation in portable power supplies and wearable devices.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS ST1PS02DQTR?
You can click on the BUY or RFQ button to purchase ST1PS02DQTR from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part ST1PS02DQTR?
You can download the ST1PS02DQTR datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of ST1PS02DQTR?
STMICROELECTRONICS