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Power Circuits / Switching Regulator or Controllers / LM25119
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Part Details for LM25119 by National Semiconductor Corporation

Overview of LM25119 by National Semiconductor Corporation

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Available Datasheets

Part # Manufacturer Description Datasheet
LM25119QPSQ/NOPB Texas Instruments Automotive Grade 4.5-42V Wide Vin, Current Mode Dual Synchronous Buck Controller 32-WQFN -40 to 125
LM25119PSQX/NOPB Texas Instruments 4.5-42V Wide Vin, Current Mode Dual Synchronous Buck Controller 32-WQFN -40 to 125
LM25119PSQ/NOPB Texas Instruments 4.5-42V Wide Vin, Current Mode Dual Synchronous Buck Controller 32-WQFN -40 to 125
Parametric Data

Part Details for LM25119

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Resources and Additional Insights for LM25119

Reference Designs related to LM25119

  • TIDA-01574 适用于窃电温控器的功率级参考设计
    该 TI 设计为适用于低成本智能恒温器和其他楼宇自动化设备的低成本高效功率窃取提供了一种参考设计。通常，功率窃取能够通过在 HVAC 负载关闭时从 24V 交流电获取功率，来延长启用了 Wi-Fi 的智能恒温器的电池寿命。该功率窃取 TI 设计提供一种平滑高效的从 24V 交流电获取功率的方法，而不会中断 HVAC 负载的运行。在该设计中，TPS2662 60V 电子保险丝可提供精确电流限制和过压保护，以实现高效的功率窃取。
  • Quarter Brick Dual Phase Synchronous Buck Converter Automotive Reference Design
    PMP20659 is a dual-phase synchronous buck converter reference design utilizing the LM25119-Q1 dual synchronous buck controller I.C. The design accepts an input voltage of 4.5V to 40V and provides a 5V output capable of supplying 45A of current to the load. This represents a power density design of 225W in a quarter brick footprint. The maximum component height is set by the Coilcraft XAL1510-472 inductors at 0.394 in.
  • TI USB Type-C Dock Reference Design
    The Type-C Dock Board is designed to help evaluate Type-C Dock implementations with video and charging support.  The Type-C Dock offers data and video port expansion and a charging capability for Type-C systems that support USB PD/Alternate mode protocol.  The dock comes with three downstream facing ports: two Type C DFP only ports with max of 5V@3A VBUS power: one Type-A DFP port with BC1.2 support.  A DisplayPort connector is also provided for video sink connection: A direct connect to a DisplayPort monitor: connection to a MST HUB or a DP protocol converter to a monitor.
  • Power Reference Design for Xilinx® Zynq®-7000
    The PMP7877 reference design provides all the rails necessary to power a Xilinx® Zynq®-7000 series SoC.  It operates from an input voltage range of 10.8Vin to 13.2Vin and has seven regulated outputs: 1Vout @ 5A: 1.8Vout @ 2.5A: 1.5Vout @ 6A: 3.3Vout @ 5A: 3.3Vout @ 5A: 5Vout @ 2A: and 0.75Vout @ 1A continous/3Apeak. This design has been approved and tested by Xilinx.
  • Reference Design - High Efficiency Two-Phase Synchronous Buck Delivers 300W
    This two-phase synchronous buck operates from 24VDC and supplies an output of 15V@20A. Operation at 300KHz (per phase) delivers small size and greater than 96% efficiency.
  • TIDEP0034 66AK2L06 JESD 实现与宽带 ADC 和 DAC 的连接
    For developers currently using an FPGA or ASIC to connect to high speed data converters who need faster time to market with increased performance and significant reduction in cost, power, and size this reference design includes the first widely available processor integrating a JESD204B interface
  • Dual Phase Synchronous Buck
    This is a dual-phase: synchronous buck converter with an input voltage range of 33V-to-55Vin and an output of 28Vout@14A.
  • PMP4695 85 - 265VAC 输入、18V/830mA
    此 PMP4695 采用通用准谐振隔离式反向，可从通用线路开始，提供 18V @ 830mA 电流。
  • TIDA-00271 采用远程摄像机和雷达模块的 ADAS 传感器互连参考设计板
    The ADAS Sensor Interconnect Board is intended for applications where remote sensors like cameras, LIDAR or radar modules need to be connected to a central processing ECU. The board supports up to 3 coaxial and 1 LVDS twisted pair data inputs as well as 3 FMC cable and 1 board to board connector
  • TIDC-EVSE-WIFI 支持 Wi-Fi 的 1 级和 2 级电动汽车维护设备参考设计
    经过 TIDC-EVSE-WIFI 验证的 TI 参考设计详细说明了如何采用添加的 Wi-Fi® 功能实施符合 J1772 标准的 1 级和 2 级电动车辆维修设备 (EVSE) 方案。CC3100 网络处理器可让 EVSE 等高度嵌入式器件轻松连接至现有无线网络或直接连接至器件。通过在 EVSE 中集成此功能，此设计可实现针对已连接的电动车辆充电状态的远程功率监测和控制。
  • PMP4299 用于 DTV 和通用照明灯串的 LED DC/DC 驱动器（16 通道 x~60V，每个灯串配备 18pcs 120mA LED）
  • 35W Dual Output Buck for Industrial Application Reference Design
    The PMP10664 reference design is a 35W dual-output synchronous buck converter using the LM25119 controller IC.  The design accepts an input voltage of 9.8Vin to 15.1Vin: provides one output of 3.3V capable of supplying 6.5A of current and one output of 3.3V capable of supplying 4A of current to the load.  It features a small size and is an inexpensive and efficient solution.  The design is capable of using a 3.3V: 1.5MHz external clock on the sync pin to drive the device. A Schottky diode is implemented in parallel with the low side sync FET’s body diode in each channel to improve efficiency.
  • TIDA-00328 50mA-20A、单电源、低侧或高侧电流感应解决方案
  • Non-Isolated LDO for Transportation/Automotive using TPS73201 w/ input of 1.8 VDC 1.3V@0.22A
    The PMP7177.1(5V@0.08A) reference design is a 6W DC/DC sync Buck which uses a LM25119 and was intended for Transportation/Automotive applications. It can generate a Non-Isolated 5 volt output at 0.08 Amps from an input 6.5 to 27 Volts DC. This design has multiple outputs.
  • 24V Input Voltage Two Phase Synchronous Buck Converter (12V@20A) Reference Design
    This two phase synchronous buck converter allows smaller components with better distributed thermal performance than an equivalent single phase design. It achieves high efficiency: uses small inductors and easily fits in a small PCB area of 70mm x 70mm.
  • 30 - 32V Input: 5.5V@20A Multiphase Buck using the LM25119
    The PMP7428 reference design uses the LM25119 in a multiphase buck to generate 5.5V@20A. The design achieves over 90% efficiency using high performance NexFETs.
  • TIDA-00605 采用 TPS65023 的 Altera Cyclone IV FPGA 电源参考设计

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