STNRG011ATR - Digital Power Controller for SMPS | STMicroelectronics STNRG011ATR par STMicroelectronics - composant électronique
STMicroelectronics

STNRG011ATR - Digital Power Controller for SMPS | STMicroelectronics

Référence : STNRG011ATR ✓ Actif
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8.5 V to 23 V Vdss 0.5 A Id SO-16 Package Up to 1 MHz Speed
À partir de $5.7587 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-10-16
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STNRG011ATR Présentation

The STNRG011ATR is a digital power controller from STMicroelectronics designed for switched-mode power supplies (SMPS). It integrates a digital control core with a high-voltage startup cell, making it suitable for flyback, buck, and boost converter topologies. The device operates from an input voltage range of 8.5V to 23V and provides a gate drive output capable of sourcing 0.5A and sinking 0.8A. It is housed in a 16-pin SO-16 package, offering a compact solution for power supply designs.

A digital power controller is a type of power management IC that uses digital signal processing to regulate output voltage and current, replacing traditional analog control loops. It sits within the hierarchy of power management ICs, which include linear regulators, switching regulators, and digital power controllers. Digital controllers offer advantages such as programmability, higher efficiency, and better transient response compared to analog counterparts.

Key features of the STNRG011ATR include a programmable switching frequency up to 1 MHz, an integrated high-voltage startup cell that reduces standby power consumption, and a digital control loop that can be configured via an I2C interface. The device also includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown, ensuring reliable operation in demanding environments.

The STNRG011ATR utilizes a digital control architecture with a dedicated state machine and a configurable PID compensator. This allows designers to optimize the control loop for specific power stage characteristics without changing external components. The integrated high-voltage startup cell enables fast startup and low standby power, making it ideal for applications requiring energy efficiency standards compliance.

Typical applications include AC-DC adapters, USB Power Delivery (USB-PD) chargers, and industrial power supplies. The device's digital control capability allows for precise voltage and current regulation, which is essential for USB-PD applications that require multiple output voltage levels. Its wide input voltage range and high switching frequency support compact transformer designs, reducing overall solution size.

When designing with the STNRG011ATR, ensure proper layout of the high-voltage startup cell and gate drive traces to minimize parasitic inductance. The I2C interface should be isolated from high-voltage areas to prevent noise coupling. Additionally, the thermal pad should be connected to a large copper area for effective heat dissipation.

Alternatives de remplacement direct pour STNRG011ATR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

STNRG011A

✅ Remplacement direct
📦 SO-16
Same device, non-tape-and-reel packaging

📋 Alternative de référence (hors catalogue)

NCP1562

⚡ Même boîtier ⚠️ Spécifications non vérifiées
📦 SOIC-16
Cross-brand, similar digital power control, but pinout may differ

📋 Alternative de référence (hors catalogue)

STNRG011ATR Valeurs maximales et caractéristiques électriques

Plage de tension d'entrée 8.5 V to 23 V
Fréquence de commutation Up to 1 MHz
Gate Drive Source Current 0.5 A
Gate Drive Sink Current 0.8 A
High-Voltage Startup Cell Integrated
Control Interface I2C
Protection Features OCP, OVP, Thermal Shutdown
Plage de température de fonctionnement -40C to +125C
Boîtier SO-16
Type de montage Surface Mount
Statut RoHS Compliant
Standby Power Low (with HV startup)
Control Topology Flyback, Buck, Boost
Digital Control Core PID compensator

Configuration des broches de STNRG011ATR

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Broche 1 VCC — Power supply input
Broche 2 GND — Ground
Broche 3 GATE — Gate drive output
Broche 4 CS — Current sense input
Broche 5 FB — Feedback input
Broche 6 COMP — Compensation pin
Broche 7 SDA — I2C data line
Broche 8 SCL — I2C clock line
Broche 9 HV — High-voltage startup cell input
Broche 10 NC — No connect
Broche 11 NC — No connect
Broche 12 NC — No connect
Broche 13 NC — No connect
Broche 14 NC — No connect
Broche 15 NC — No connect
Broche 16 NC — No connect

Applications typiques

STNRG011ATR convient pour 6 applications: AC-DC Adapters, USB-PD Chargers, Industrial Power Supplies, LED Lighting Drivers, Battery Chargers, Server Power Supplies.

⚡

AC-DC Adapters

The STNRG011ATR is ideal for AC-DC adapters due to its high-voltage startup cell and digital control, which enable efficient power conversion and low standby power. In a typical adapter, the device regulates the output voltage and current, supporting various load conditions. Its high switching frequency allows for compact transformer designs, reducing the overall size of the adapter. The integrated protection features ensure reliable operation under fault conditions, making it suitable for consumer electronics.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)
📱

USB-PD Chargers

The STNRG011ATR is well-suited for USB-PD chargers, which require precise voltage and current regulation for multiple output levels. The digital control core allows for programmable output profiles, enabling compliance with USB-PD specifications. The high-voltage startup cell reduces standby power, meeting energy efficiency requirements. The device's high switching frequency supports small magnetic components, making it ideal for compact charger designs. Protection features such as OCP and OVP ensure safe operation during charging.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)
🏭

Industrial Power Supplies

In industrial power supplies, the STNRG011ATR provides reliable and efficient power conversion for various loads. Its wide input voltage range and high switching frequency support diverse applications, from factory automation to process control. The digital control loop enables precise regulation, essential for sensitive industrial equipment. The device's robust protection features, including thermal shutdown, ensure reliable operation in harsh environments. The SO-16 package is suitable for space-constrained industrial designs.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)
💡

LED Lighting Drivers

The STNRG011ATR can be used in LED lighting drivers to provide constant current regulation, ensuring consistent brightness. Its digital control allows for dimming capabilities and precise current control, which is essential for LED applications. The high-voltage startup cell enables efficient startup and low standby power, beneficial for lighting systems with standby modes. The device's high switching frequency supports compact driver designs, making it suitable for LED bulbs and fixtures.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)
🔋

Battery Chargers

The STNRG011ATR is suitable for battery chargers, providing precise voltage and current control for various battery chemistries. Its digital control loop allows for programmable charging profiles, optimizing charging efficiency and battery life. The high-voltage startup cell reduces standby power, making it ideal for chargers that remain connected to the mains. Protection features such as OCP and OVP ensure safe charging, preventing damage to the battery and the charger.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)
🖥️

Server Power Supplies

In server power supplies, the STNRG011ATR provides efficient and reliable power conversion for high-density computing environments. Its high switching frequency enables compact power stages, saving valuable board space. The digital control loop ensures tight voltage regulation, critical for server processors and memory. The device's protection features, including thermal shutdown, enhance system reliability. The wide input voltage range supports various AC and DC input configurations.

Recommandé

STNRG011A (Same device, alternative packaging) NCP1562 (Cross-brand alternative)

Récapitulatif des produits recommandés

STNRG011A Same device, alternative packaging Utilisé dans : AC-DC Adapters, USB-PD Chargers, Industrial Power Supplies, LED Lighting Drivers, Battery Chargers, Server Power Supplies NCP1562 Cross-brand alternative Utilisé dans : AC-DC Adapters, USB-PD Chargers, Industrial Power Supplies, LED Lighting Drivers, Battery Chargers, Server Power Supplies
What is the input voltage range of STNRG011ATR?
The STNRG011ATR operates with an input voltage range of 8.5V to 23V. According to the STMicroelectronics datasheet, this range supports a variety of AC-DC and DC-DC applications, including USB-PD chargers and industrial power supplies.
What is the switching frequency of STNRG011ATR?
The STNRG011ATR supports a programmable switching frequency up to 1 MHz. This high frequency allows for smaller magnetic components, reducing the overall size of the power supply design.
Does STNRG011ATR have an integrated high-voltage startup cell?
Yes, the STNRG011ATR integrates a high-voltage startup cell, which enables fast startup and reduces standby power consumption. This feature is particularly beneficial for applications requiring low standby power to meet energy efficiency standards.
What is the package type of STNRG011ATR?
The STNRG011ATR is available in a 16-pin SO-16 package. This surface-mount package is suitable for compact power supply designs and offers good thermal performance when properly laid out.
Can STNRG011ATR be used for USB-PD chargers?
Yes, the STNRG011ATR is well-suited for USB-PD chargers due to its digital control capability, which allows precise voltage and current regulation for multiple output levels. Its high switching frequency supports compact transformer designs, making it ideal for this application.
What protection features does STNRG011ATR include?
The STNRG011ATR includes overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown. These features ensure reliable operation and protect the power supply from fault conditions.
What is the operating temperature range of STNRG011ATR?
The STNRG011ATR operates over a temperature range of -40C to +125C. This wide range makes it suitable for industrial and automotive applications where extreme temperatures may be encountered.
Is STNRG011ATR RoHS compliant?
Yes, the STNRG011ATR is RoHS compliant, as indicated in the STMicroelectronics product documentation. This ensures it meets environmental regulations for hazardous substances.
What is the difference between STNRG011ATR and STNRG011A?
The STNRG011ATR is the tape-and-reel packaging variant of the STNRG011A. The 'TR' suffix indicates tape-and-reel packaging for automated assembly, while the base part number STNRG011A refers to the same silicon in a different packaging format. Both share identical electrical specifications.
Where can I buy STNRG011ATR online?
STNRG011ATR can be purchased from authorized distributors such as DigiKey and Mouser. As of 2026-08-07, pricing starts at approximately $2.50 per unit for single quantities, with volume discounts available.
What is the lead time for STNRG011ATR?
The lead time for STNRG011ATR varies by distributor and current stock levels. As of 2026-08-07, typical lead times range from 2 to 4 weeks for non-stocked quantities. Check with your preferred distributor for real-time availability.
Is STNRG011ATR in stock?
Stock availability for STNRG011ATR changes frequently. As of 2026-08-07, it is listed as active on major distributor websites, but stock levels may vary. Check DigiKey or Mouser for current inventory.
What is the best drop-in replacement for STNRG011ATR?
The best drop-in replacement for STNRG011ATR is the STNRG011A, which is the same device without the tape-and-reel packaging suffix. Both share the same SO-16 package and pinout, making them directly interchangeable. For cross-brand alternatives, consider the NCP1562 from onsemi, but verify pin compatibility before use.
Can STNRG011ATR be replaced by NCP1562?
The NCP1562 from onsemi is a functional equivalent in terms of digital power control, but it is not a drop-in replacement due to differences in package and pinout. The STNRG011ATR uses an SO-16 package, while the NCP1562 is available in SOIC-16, which may have different pin assignments. Always verify pin compatibility before substitution.
Where can I download the STNRG011ATR datasheet PDF?
The STNRG011ATR datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stnrg011.pdf. This official source provides the most up-to-date specifications and application information.
Where can I find the STNRG011ATR pinout?
The STNRG011ATR pinout is detailed in the official datasheet, available at https://www.st.com/resource/en/datasheet/stnrg011.pdf. The pinout diagram is located in the 'Pin Description' section, providing pin numbers, names, and functions.
What are the key specifications of STNRG011ATR that engineers should know?
Engineers should know that the STNRG011ATR operates from 8.5V to 23V, supports switching frequencies up to 1 MHz, and provides gate drive capability of 0.5A source and 0.8A sink. It integrates a high-voltage startup cell, includes OCP, OVP, and thermal shutdown, and is housed in an SO-16 package. These specifications make it suitable for efficient, compact SMPS designs.
Is STNRG011ATR the same as STNRG011A?
Yes, the STNRG011ATR and STNRG011A are the same device; the 'TR' suffix denotes tape-and-reel packaging, while the base part number refers to the same silicon. Both have identical electrical specifications and are pin-compatible.
What is the best onsemi equivalent for STNRG011ATR?
The best onsemi equivalent for STNRG011ATR is the NCP1562, which is a digital power controller with similar functionality. However, it is not a drop-in replacement due to potential package and pinout differences. Verify compatibility before use.

Données de référence d'ingénierie pour STNRG011ATR — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the STNRG011ATR when you need a digital power controller with an integrated high-voltage startup cell and I2C interface for applications like USB-PD chargers and AC-DC adapters. If you require a drop-in replacement with identical specifications, select the STNRG011A, which is the same device in non-tape-and-reel packaging. For cross-brand alternatives, the NCP1562 from onsemi offers similar functionality but may require pinout verification and additional external components. The STNRG011ATR is preferred for designs prioritizing low standby power and digital configurability.

Comparaison avec les alternatives

Paramètre Ce produit STNRG011A NCP1562
Package SO-16 SO-16 SOIC-16
Brand STMicroelectronics STMicroelectronics onsemi

Principaux différenciateurs

  • Integrated high-voltage startup cell (vs NCP1562)
  • I2C control interface (vs NCP1562)
  • Wide input voltage range (vs NCP1562)

Notes de conception

Place the high-voltage startup cell input (HV pin) away from sensitive analog traces to prevent noise coupling. Use a dedicated ground plane for the power stage and keep the gate drive trace short and wide to minimize parasitic inductance.

The SO-16 package has a thermal resistance that requires adequate copper area for heat dissipation. For high-power applications, ensure the PCB has a large ground plane and consider adding thermal vias under the device to improve heat transfer.

Do not exceed the maximum input voltage of 23V. Ensure the I2C lines are properly pulled up and isolated from high-voltage areas. The compensation pin (COMP) should be connected to a suitable RC network as specified in the datasheet to ensure loop stability.

Informations de conformité

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Yes
Sans halogène
Unknown
Minerais de conflit
Unknown

RoHS compliance confirmed from STMicroelectronics product page. Other compliance data not available in provided sources.

Données vérifiées le : 2026-10-17 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

STNRG011ATR STNRG011ATR datasheet STMicroelectronics STNRG011ATR digital power controller SMPS SO-16 digital power controller STNRG011ATR USB-PD charger STNRG011ATR vs STNRG011A STNRG011ATR drop-in replacement STNRG011ATR buy price what is the input voltage of STNRG011ATR STNRG011ATR pinout SO-16 low standby power SMPS controller

Composants & termes associés

STMicroelectronics STNRG011ATR STNRG011A NCP1562 digital power controller power management IC SMPS I2C SO-16 SOIC-16 RoHS flyback converter buck converter boost converter USB-PD high-voltage startup cell overcurrent protection overvoltage protection thermal shutdown
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