TPS51123RGER

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TPS51123RGER

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IC REG QUAD BUCK/LNR SYNC 24VQFN

  • HerstellerTexas Instruments

  • Herstellerteil #TPS51123RGER

  • Paket VQFN (RGE)-24

  • Auf Lager2523

365 Tage Qualitätsgarantie

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Spezifikationen

Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
Series D-CAP™
ProductStatus Active
Topology Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
NumberofOutputs 4
Frequency-Switching 460kHz
Voltage/Current-Output1 Controller
Voltage/Current-Output2 Controller
Voltage/Current-Output3 3.3V, 100mA
w/LEDDriver No
w/Supervisor No
w/Sequencer No
Voltage-Supply 5.5V ~ 28V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

Übersicht

Description

The TPS51123RGER is a dual, synchronous buck controller designed for use in high-performance notebook and tablet applications. Developed by Texas Instruments, it offers efficient power management with a focus on reducing power consumption while maintaining high performance. Key features include a wide input voltage range, typically from 4.5V to 24V, and support for two independent output voltages, making it versatile for various power supply configurations.
The controller incorporates advanced features like D-CAP™ mode for fast transient response and reduced output capacitance. It also supports selectable light load efficiency modes, including auto-skip and low-power mode, which significantly improve efficiency during low-load conditions. Integrated MOSFET drivers and adaptive on-time control reduce the complexity of the external circuit design.
The TPS51123RGER offers comprehensive protection features, such as overcurrent protection, undervoltage lockout, and thermal shutdown, ensuring reliable and safe operation. Its compact VQFN package makes it suitable for space-constrained applications. Overall, the TPS51123RGER is an efficient and reliable solution for powering modern portable devices.

Equivalent

The TPS51123RGER is a dual-synchronous step-down controller. Equivalent products include:
1. MAX8724 from Maxim Integrated - Dual step-down controller with similar features.
2. ISL6236 from Intersil (Renesas) - Offers similar dual-output capability.
3. LTC3855 from Analog Devices - Dual output, high efficiency, synchronous step-down controller.
4. NCP81253 from ON Semiconductor - Dual synchronous Buck controller with comparable specs.
Always check the datasheets for precise compatibility regarding electrical characteristics and pin configuration.

Features

The TPS51123RGER is a dual, synchronous buck converter controller designed for various applications. Key features include:
1. Dual Output: It supports two independent output voltages, making it suitable for systems requiring multiple power rails.
2. Wide Input Voltage Range: The controller operates over a wide input voltage range, enhancing its versatility for different power sources.
3. D-CAP2™ Mode: This mode allows fast transient response and simple loop compensation, which is ideal for use in modern digital systems.
4. Auto-Skip Mode: Promotes high efficiency at light loads by reducing switching losses.
5. Adjustable Soft-Start: The soft-start time is adjustable, allowing for controlled output voltage ramp-up to reduce inrush current.
6. Power-Good Indicator: This feature provides a signal when the output voltage is within the desired range.
7. Internal 1.2 ms Voltage Servo: Ensures accurate voltage regulation.
8. Over-Current Protection: Provides safety by preventing excessive current draw.
9. Small Package Size: Housed in a 24-pin VQFN package, which saves space on the PCB.
10. Temperature Range: Suitable for a broad range of operating temperatures, enhancing reliability.
These features make the TPS51123RGER suitable for use in notebooks, desktop computers, and other electronic devices requiring efficient power management.

Pinout

The TPS51123RGER is a dual-synchronous buck controller with a PowerPAD™ package from Texas Instruments, designed for notebook system power supplies. It is commonly found in applications that require efficient step-down DC-DC conversion.
The device is packaged in a 24-pin VQFN (Very Thin Quad Flat No-Lead) package with the following key functions:
1. Pin Count: 24 pins.
2. Main Functions:
- Supports two synchronous buck converters.
- Provides a power good function for monitoring.
- Features a fixed frequency operation and adaptive on-time D-CAP™ mode for easy loop design with low-ESR output capacitors.
- Includes high-side and low-side MOSFET gate drivers.
- Offers integrated bootstrapping diodes.
- Implements various protection features, such as overcurrent, undervoltage, and thermal shutdown.
This IC is ideal for applications requiring high efficiency and compact size, often used in portable electronics and notebook computers. For detailed pin configuration and specific electrical characteristics, refer to the device's official datasheet.

Manufacturer

The TPS51123RGER is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of semiconductor products, including analog chips, embedded processors, and digital light processing (DLP) technology. TI serves various markets such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. They focus on developing technologies to enhance efficiency, performance, and productivity across these industries.

Application

The TPS51123RGER is a dual-channel, synchronous buck regulator primarily used in power management for computing and consumer electronics. Key application areas include notebook and desktop computers, graphics cards, and other digital systems requiring efficient step-down conversion from a higher input voltage to a lower output voltage. It is suitable for powering processors, memory modules, and peripheral components. The device supports low-voltage power rails and provides high efficiency and fast transient response, making it ideal for systems with dynamic power requirements. Additionally, it can be used in networking equipment and gaming consoles where stable power delivery is crucial.

Package

The TPS51123RGER is a dual, synchronous step-down controller from Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package, specifically a 24-pin VQFN package with a thermal pad, commonly referred to as RGE (24) package. This packaging supports efficient thermal performance and is suited for compact applications.

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