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LM5112-Q1

現行

具 4-V UVLO 與專用輸入接地的車用 7-A/3-A 單通道閘極驅動器

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同,但針腳輸出與所比較的裝置不同。
UCC27614-Q1 現行 具 4V UVLO 和低傳播延遲的車用 30V VDD、10A/10A 單通道低壓側驅動器 More recent driver with wide VDD and small package options

產品詳細資料

Number of channels 1 Power switch MOSFET Peak output current (A) 7 Input supply voltage (min) (V) 3.5 Input supply voltage (max) (V) 14 Features Negative Output Voltage Capability Operating temperature range (°C) -40 to 125 Rise time (ns) 14 Fall time (ns) 12 Propagation delay time (µs) 0.025 Input threshold TTL Channel input logic Inverting, Non-Inverting Input negative voltage (V) 0 Rating Automotive Undervoltage lockout (typ) (V) 3 Driver configuration Single
Number of channels 1 Power switch MOSFET Peak output current (A) 7 Input supply voltage (min) (V) 3.5 Input supply voltage (max) (V) 14 Features Negative Output Voltage Capability Operating temperature range (°C) -40 to 125 Rise time (ns) 14 Fall time (ns) 12 Propagation delay time (µs) 0.025 Input threshold TTL Channel input logic Inverting, Non-Inverting Input negative voltage (V) 0 Rating Automotive Undervoltage lockout (typ) (V) 3 Driver configuration Single
WSON (NGG) 6 9 mm² (3 mm × 3 mm)
  • LM5112-Q1 is Qualified for Automotive Applications
  • AEC-Q100 Grade 1 Qualified
  • Manufactured on an Automotive Grade Flow
  • Compound CMOS and Bipolar Outputs Reduce Output Current Variation
  • 7-A Sink and 3-A Source Current
  • Fast Propagation Times: 25 ns (Typical)
  • Fast Rise and Fall Times: 14 ns or 12 ns
    Rise or Fall With 2-nF Load
  • Inverting and Non-Inverting Inputs Provide Either Configuration With a Single Device
  • Supply Rail Undervoltage Lockout Protection
  • Dedicated Input Ground (IN_REF) for
    Split Supply or Single Supply Operation
  • Power Enhanced 6-Pin WSON Package
    (3 mm × 3 mm) or Thermally Enhanced
    MSOP-PowerPAD Package
  • Output Swings From VCC to VEE Which Are Negative Relative to Input Ground
  • LM5112-Q1 is Qualified for Automotive Applications
  • AEC-Q100 Grade 1 Qualified
  • Manufactured on an Automotive Grade Flow
  • Compound CMOS and Bipolar Outputs Reduce Output Current Variation
  • 7-A Sink and 3-A Source Current
  • Fast Propagation Times: 25 ns (Typical)
  • Fast Rise and Fall Times: 14 ns or 12 ns
    Rise or Fall With 2-nF Load
  • Inverting and Non-Inverting Inputs Provide Either Configuration With a Single Device
  • Supply Rail Undervoltage Lockout Protection
  • Dedicated Input Ground (IN_REF) for
    Split Supply or Single Supply Operation
  • Power Enhanced 6-Pin WSON Package
    (3 mm × 3 mm) or Thermally Enhanced
    MSOP-PowerPAD Package
  • Output Swings From VCC to VEE Which Are Negative Relative to Input Ground

The LM5112 device MOSFET gate driver provides high peak gate drive current in the tiny 6-pin WSON package (SOT-23 equivalent footprint) or an 8-pin exposed-pad MSOP package with improved power dissipation required for high frequency operation. The compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 7 A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is provided to prevent damage to the MOSFET due to insufficient gate turnon voltage. The LM5112 device provides both inverting and non-inverting inputs to satisfy requirements for inverting and non-inverting gate drive with a single device type.

The LM5112 device MOSFET gate driver provides high peak gate drive current in the tiny 6-pin WSON package (SOT-23 equivalent footprint) or an 8-pin exposed-pad MSOP package with improved power dissipation required for high frequency operation. The compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 7 A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is provided to prevent damage to the MOSFET due to insufficient gate turnon voltage. The LM5112 device provides both inverting and non-inverting inputs to satisfy requirements for inverting and non-inverting gate drive with a single device type.

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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LM5112, LM5112-Q1 Tiny 7-A MOSFET Gate Driver datasheet (Rev. C) PDF | HTML 2015/10/22
應用說明 Review of Different Power Factor Correction (PFC) Topologies' Gate Driver Needs PDF | HTML 2024/1/22
應用說明 Using a Single-Output Gate-Driver for High-Side or Low-Side Drive (Rev. B) PDF | HTML 2023/9/8
應用說明 Benefits of a Compact, Powerful, and Robust Low-Side Gate Driver PDF | HTML 2021/11/10
Application brief External Gate Resistor Selection Guide (Rev. A) 2020/2/28
Application brief Understanding Peak IOH and IOL Currents (Rev. A) 2020/2/28
Application brief How to overcome negative voltage transients on low-side gate drivers' inputs 2019/1/18
更多文件說明 Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) 2018/10/29
Application brief Low-Side Gate Drivers With UVLO Versus BJT Totem-Pole 2018/3/16
應用說明 An Alternative Approach to Higher-Power Boost Converters 2009/11/30

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