LM5108DRCR
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Texas Instruments LM5108DRCR

Manufacturer No:
LM5108DRCR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC GATE DRVR PWR MGMT
Delivery:
Payment:
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Product Introduction

Overview

The LM5108DRCR, produced by Texas Instruments, is a high-frequency half-bridge gate driver designed to drive two N-channel MOSFETs in high-side and low-side configurations. This device is particularly suited for topologies such as synchronous buck, full bridge, active clamp forward, LLC, and synchronous boost. It features a maximum switch node (HS) voltage rating of 100 V and is available in a compact 3-mm x 3-mm VSON (DRC) package, making it ideal for dense power designs, including power tools and motor drives.

Key Specifications

Parameter Value Unit
Maximum Switch Node (HS) Voltage 100 V
Output Current (Sink/Source) 2.6 A / 1.6 A A
Propagation Delay (Typical) 20 ns ns
Rise Time (Typical) 11 ns ns
Fall Time (Typical) 8 ns ns
Delay Matching (Typical) 1 ns ns
Under Voltage Lockout (UVLO) Threshold 5 V V
Operating Temperature Range -40 to 125 °C
Package Type VSON (DRC)
Number of Pins 10

Key Features

  • Interlock Functionality: Prevents both outputs from being high at the same time, improving system robustness in motor drive and power tools applications.
  • Enable/Disable Functionality: Allows for flexible and fast control of the power stage, reducing standby current and responding to system faults in battery-powered tools.
  • Independent Inputs: Inputs are independent of supply voltage and can have independent pulse widths, providing maximum control flexibility.
  • Integrated Bootstrap Diode: Eliminates the need for an external discrete diode, improving board space utilization.
  • Low UVLO Threshold: Allows the driver to operate at lower bias supplies, enabling the power stage to operate at higher switching frequencies without increasing switching losses.
  • Compact Package: Available in a 3-mm x 3-mm VSON (DRC) package, enabling dense power designs.

Applications

  • Motor Drives: The interlock feature and robust design make it suitable for motor drive applications.
  • Power Tools: Ideal for battery-powered tools due to its enable/disable functionality and low standby current.
  • Synchronous Buck, Full Bridge, Active Clamp Forward, LLC, and Synchronous Boost Topologies: Designed to drive two N-channel MOSFETs in these configurations.

Q & A

  1. What is the maximum switch node (HS) voltage rating of the LM5108DRCR?

    The maximum switch node (HS) voltage rating is 100 V.

  2. What are the output current capabilities of the LM5108DRCR?

    The device can sink 2.6 A and source 1.6 A.

  3. What is the typical propagation delay of the LM5108DRCR?

    The typical propagation delay is 20 ns.

  4. Does the LM5108DRCR have an integrated bootstrap diode?
  5. What is the operating temperature range of the LM5108DRCR?

    The operating temperature range is -40°C to 125°C.

  6. What package type and size is the LM5108DRCR available in?
  7. What is the purpose of the interlock functionality in the LM5108DRCR?

    The interlock functionality prevents both outputs from being high at the same time, improving system robustness.

  8. How does the enable/disable functionality benefit battery-powered tools?

    The enable/disable functionality reduces standby current and allows the device to respond to system faults in battery-powered tools.

  9. What is the typical UVLO threshold of the LM5108DRCR?

    The typical UVLO threshold is 5 V.

  10. What topologies can the LM5108DRCR be used in?

Product Attributes

Driven Configuration:Half-Bridge
Channel Type:Independent
Number of Drivers:2
Gate Type:N-Channel MOSFET
Voltage - Supply:5.5V ~ 16V
Logic Voltage - VIL, VIH:- 
Current - Peak Output (Source, Sink):1.6A, 2.6A
Input Type:CMOS/TTL
High Side Voltage - Max (Bootstrap):- 
Rise / Fall Time (Typ):11ns, 8ns
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:10-VFDFN Exposed Pad
Supplier Device Package:10-VSON (3x3)
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Similar Products

Part Number LM5108DRCR LM5108DRCT
Manufacturer Texas Instruments Texas Instruments
Product Status Active Active
Driven Configuration Half-Bridge Half-Bridge
Channel Type Independent Independent
Number of Drivers 2 2
Gate Type N-Channel MOSFET N-Channel MOSFET
Voltage - Supply 5.5V ~ 16V 5.5V ~ 16V
Logic Voltage - VIL, VIH - -
Current - Peak Output (Source, Sink) 1.6A, 2.6A 1.6A, 2.6A
Input Type CMOS/TTL CMOS/TTL
High Side Voltage - Max (Bootstrap) - -
Rise / Fall Time (Typ) 11ns, 8ns 11ns, 8ns
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount
Package / Case 10-VFDFN Exposed Pad 10-VFDFN Exposed Pad
Supplier Device Package 10-VSON (3x3) 10-VSON (3x3)

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