UCC27523DGNR
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Texas Instruments UCC27523DGNR

Manufacturer No:
UCC27523DGNR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC GATE DRVR LOW-SIDE 8MSOP
Delivery:
Payment:
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Product Introduction

Overview

The UCC27523DGNR is a dual-channel, high-speed, low-side gate-driver device produced by Texas Instruments. It is part of the UCC2752x family, designed to effectively drive MOSFET and IGBT power switches. This device is notable for its high peak current capability, low propagation delay, and robust noise immunity, making it suitable for high-frequency switching power circuits.

Key Specifications

Parameter Value Unit
Peak Source and Sink Current 5A A
Propagation Delay 13ns (typical) ns
VDD Supply Voltage Range 4.5V to 18V V
Input Thresholds TTL and CMOS compatible -
UVLO Threshold 4.2V (typical) with 300mV hysteresis V
Package Type HVSSOP-8 with exposed pad (DGN) -
Body Size 3mm × 3mm mm

Key Features

  • Industry-standard pinout
  • Two independent gate-drive channels with 5A peak source and sink current capability
  • Independent-enable function for each channel (UCC27523 and UCC27525)
  • Dual input configuration for flexibility in UCC27526 (inverting and non-inverting inputs)
  • Internal undervoltage-lockout (UVLO) protection
  • Tight control of input pin threshold voltage levels for enhanced noise immunity
  • Low input capacitance for increased switching speed
  • Unique output stage architecture with P-channel and N-channel MOSFETs for high peak-source current during power switch turn-on

Applications

The UCC27523DGNR is widely used in various high-frequency switching power applications, including:

  • Synchronous rectifiers
  • Driving emerging wide band-gap power devices such as GaN and SiC
  • Automotive systems
  • Solar power systems
  • High-efficiency power supplies and DC-DC converters

Q & A

  1. What is the peak source and sink current capability of the UCC27523DGNR?

    The UCC27523DGNR can deliver up to 5A peak source and sink current.

  2. What is the typical propagation delay of the UCC27523DGNR?

    The typical propagation delay is 13ns.

  3. What is the VDD supply voltage range for the UCC27523DGNR?

    The VDD supply voltage range is from 4.5V to 18V.

  4. What type of input thresholds does the UCC27523DGNR have?

    The input thresholds are TTL and CMOS compatible.

  5. Does the UCC27523DGNR have undervoltage-lockout (UVLO) protection?
  6. What package types are available for the UCC27523DGNR?

    The UCC27523DGNR is available in an HVSSOP-8 package with an exposed pad (DGN).

  7. How can the enable/disable function be implemented in the UCC27526?

    In the UCC27526, the enable/disable function can be implemented using the unused input pin. When INx+ is pulled down to GND or INx- is pulled down to VDD, the output is disabled.

  8. What are the key applications of the UCC27523DGNR?

    The UCC27523DGNR is used in synchronous rectifiers, driving wide band-gap power devices, automotive systems, solar power systems, and high-efficiency power supplies.

  9. Why is proper PCB layout important for the UCC27523DGNR?

    Proper PCB layout is crucial to minimize trace lengths and impedances, reducing ringing and ensuring robust device operation.

  10. How does the output stage architecture of the UCC27523DGNR enhance its performance?

    The output stage features a unique architecture with P-channel and N-channel MOSFETs, providing a brief boost in peak sourcing current during the power switch turn-on transition.

Product Attributes

Driven Configuration:Low-Side
Channel Type:Independent
Number of Drivers:2
Gate Type:IGBT, N-Channel MOSFET
Voltage - Supply:4.5V ~ 18V
Logic Voltage - VIL, VIH:1V, 2.3V
Current - Peak Output (Source, Sink):5A, 5A
Input Type:Inverting
High Side Voltage - Max (Bootstrap):- 
Rise / Fall Time (Typ):7ns, 6ns
Operating Temperature:-40°C ~ 140°C (TJ)
Mounting Type:Surface Mount
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package:8-HVSSOP
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Similar Products

Part Number UCC27523DGNR UCC27524DGNR UCC27525DGNR UCC27323DGNR UCC27423DGNR UCC27523DGN
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active Active Active
Driven Configuration Low-Side Low-Side Low-Side Low-Side Low-Side Low-Side
Channel Type Independent Independent Independent Independent Independent Independent
Number of Drivers 2 2 2 2 2 2
Gate Type IGBT, N-Channel MOSFET IGBT, N-Channel MOSFET IGBT, N-Channel MOSFET N-Channel, P-Channel MOSFET N-Channel, P-Channel MOSFET IGBT, N-Channel MOSFET
Voltage - Supply 4.5V ~ 18V 4.5V ~ 18V 4.5V ~ 18V 4.5V ~ 15V 4V ~ 15V 4.5V ~ 18V
Logic Voltage - VIL, VIH 1V, 2.3V 1V, 2.3V 1V, 2.3V 1V, 2V 1V, 2V 1V, 2.3V
Current - Peak Output (Source, Sink) 5A, 5A 5A, 5A 5A, 5A 4A, 4A 4A, 4A 5A, 5A
Input Type Inverting Non-Inverting Inverting, Non-Inverting Inverting Inverting Inverting
High Side Voltage - Max (Bootstrap) - - - - - -
Rise / Fall Time (Typ) 7ns, 6ns 7ns, 6ns 7ns, 6ns 20ns, 15ns 20ns, 15ns 7ns, 6ns
Operating Temperature -40°C ~ 140°C (TJ) -40°C ~ 140°C (TJ) -40°C ~ 140°C (TJ) -55°C ~ 150°C (TJ) -40°C ~ 125°C (TA) -40°C ~ 140°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 8-HVSSOP 8-HVSSOP 8-HVSSOP 8-HVSSOP 8-HVSSOP 8-HVSSOP

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