Texas Instruments' model UCC27325DGN is a gate drive IC that is a high-speed dual MOSFET driver that provides 4A peak source current and 4A peak sink current to provide the most needed high-efficiency MOSFET drive in the Miller flat region. A unique mixed bipolar and MOSFET output stage is paralleled for efficient current sourcing and sinking at low supply voltages. Combinations of 3 standard logic options are available - dual inverting, dual non-inverting, one inverting and one non-inverting. The input thresholds are based on TTL and CMOS, independent of supply voltage, and feature wide input hysteresis for excellent noise immunity. The UCC27325DGN is available in standard SOIC-8(D) or PDIP-8(P) packages as well as a thermally enhanced 8-pin PowerPAD MSOP package (DGN), which greatly reduces thermal resistance for improved long-term reliability.
Features of UCC27325DGN
1. Dual-channel drive: UCC27325DGN has two independent drive channels, which can control two MOSFET or IGBT devices at the same time. This is useful for applications that require simultaneous control of multiple power devices.
2. High drive capability: UCC27325DGN provides a source drive of up to 4A and a sink drive current of six amperes, which can ensure fast switching and shutdown of the device, thereby improving the efficiency of the system.
3. Delay matching: UCC27325DGN has very small delay difference between two channels, which is very important for synchronous operation requiring high precision. It helps avoid circuit instability or resonance problems in synchronous switching applications.
4. Wide input voltage range: UCC27325DGN can work in a wide input voltage range from 8V to 18V, suitable for different power system designs.
5. Low power consumption: UCC27325DGN adopts low power consumption design, which saves energy and reduces system heat generation, and also helps to extend the working life of the system.
6. Over-temperature protection: UCC27325DGN has a built-in over-temperature protection function, which can automatically disconnect the output when the temperature exceeds the set threshold. This helps protect the driver and the device it drives.
Application field of UCC27325DGN
UCC27325DGN is a powerful, high-performance gate driver IC, its main application areas are as follows:
1. Power management: UCC27325DGN can be used to drive low-dropout charge pumps in power management systems, and can provide stable power supply voltages for driving various power electronic devices and modules.
2. Industrial automation: UCC27325DGN can be used in signal isolation and power drive circuits in industrial automation systems, providing reliable signal transmission and efficient power transmission.
3. Automotive electronics: UCC27325DGN can be used in power control circuits and motor drive circuits in automotive electronic systems to provide stable power and efficient motor drive.
4. Communication equipment: UCC27325DGN can be used for power amplifier driving and signal isolation in communication equipment, providing high-speed and efficient signal transmission and driving capabilities.
Parameters of UCC27325DGN
Brand: Texas Instruments
Product Category: Gate Driver IC
Package: HVSSOP-8
Packaging: whole package
Voltage - power supply: 4.5V~15V
Working temperature: -55°C~150°C(TJ)
Mounting Type: Surface Mount Type
Basic product number: UCC27325
HTSUS: 8542.39.0001
Driver configuration: low end
Channel type: independent
Number of drives: 2
Gate Type: N-Channel, P-Channel MOSFET
Logic voltage - VIL, VIH: 1V, 2V
Current-peak output (sink, source): 4A, 4A
Input type: inverting, non-inverting
Rise/Fall Time (Typical): 20ns, 15ns
Product Application: Automotive Grade
Pin diagram of UCC27325DG
Schematic of UCC27325DGN
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