LTC1163CS8#TRPBF

Logic Voltage - VIL, VIH:	--
Base Part Number:	LTC1163
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Rise / Fall Time (Typ):	--
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	--
Series:	--
Voltage - Supply:	1.8 V ~ 6 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	3
Channel Type:	Independent
Driven Configuration:	High-Side
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC (Power Management Integrated Circuits) is a type of integrated circuit that is used in the control of power sources and synchronous machines in products such as computers, digital televisions, and smartphones. Gate drivers are a component of PMICs and allow for more efficient switching of power MOSFETs and IGBTs. LTC1163CS8#TRPBF is a popular gate driver manufactured by Linear Technology, a company specializing in power management solutions. This paper aims to discuss the main features and working principle of this device, as well as its potential applications.The LTC1163CS8#TRPBF is designed to provide high current drive to power MOSFETs and IGBTs. It is a low-noise, low-quiescent-current, and low-EMI (electromagnetic interference) device that has been optimized for a variety of switch-mode power supply (SMPS) designs. The device provides two integrated channels, each featuring inductor current sense circuitry, dead-time control, a level shifter, and a P-channel MOSFET driver. The LTC1163CS8#TRPBF can switch up to 4 A of inductor current and works over a wide operating temperature range. It also supports the use of active low logic control (VIN) or PWM logic control (EN) to control IGBT or MOSFET switching. Finally, it features an identification pin (ID) that identifies the device as an LTC1163 product to assist with design verification and prevent potential operational issues from incorrect device selection. When it comes to its applications, the LTC1163CS8#TRPBF is suitable for use in a wide range of SMPS designs and applications, including offline chargers, off-line power supplies for computing, gaming, and industrial systems. Its low-EMI and low-noise features make it suitable for applications that demand noise-sensitive circuit design and power integrity.The main features of the LTC1163CS8#TRPBF allow it to be used in a variety of circuit designs. Its two independent channels are designed to drive both high and low side MOSFETs or IGBT switches in either half-bridge or full-bridge switching designs. The two channels also provide integrated inductor current sense circuitry, enabling the device to monitor the current flowing through the inductor, aiding in predicting the primary side power supply current for improved performance. This device operates in a variety of logic control schemes, including active low logic control, where VIN is logic low when EN is logic high, and PWM logic control, where EN is logic low when VIN is logic low and logic high when VIN rises to 1V or more. Additionally, the LTC1163CS8#TRPBF includes a level shifter (powered by the VIN control pin) to convert low voltage control signals to high gate drive voltages required to switch the powerd MOSFETs/IGBTs.Finally, the LTC1163CS8#TRPBF also includes a low on-resistance BODY P-channel MOSFET driver to provide the gate drive signal to the power MOSFETs and IGBTs. This provides a robust and reliable turn-off of the switches, ensuring the reliability and safety of the design. The P-channel driver also features dead-time circuitry, maximizing the dissipation of charge stored during the transition time of the switches.In summary, the LTC1163CS8#TRPBF is a highly integrated gate driver designed to provide high-current drive to power MOSFETs and IGBTs. It features inductor current sense circuitry which allows for accurate current sensing and protection, as well as a low on-resistance P-channel MOSFET drvier for efficient switching. The device is suitable for use in a variety of switch mode power supply designs and applications where power integrity and noise-sensitive operation are important.

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