UCC21222D

Series:	--
Packaging:	Tube
Part Status:	Active
Driven Configuration:	Half-Bridge
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	IGBT, N-Channel MOSFET
Voltage - Supply:	3 V ~ 5.5 V
Logic Voltage - VIL, VIH:	1.25V, 1.6V
Current - Peak Output (Source, Sink):	4A, 6A
Input Type:	CMOS/TTL
Rise / Fall Time (Typ):	5ns, 6ns
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC

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Introduction to UCC21222D PMIC - Gate Drivers

The UCC21222D is a low voltage and low power monolithic gate driver from Texas Instruments. It is a high-efficiency, high-performance power management integrated circuit (PMIC) designed for automotive applications such as body controllers, ambient lighting controllers, electronic stability and traction control (ESC/TCS), vehicle-to-vehicle communication, and automotive infotainment systems. The UCC21222D is a compact and cost-effective solution that can be used to easily integrate the power functions required in automotive systems, thus enabling more efficient system designs.

Application Field of UCC21222D

The UCC21222D is a versatile gate driver that can be used in a wide range of automotive applications. It provides a low-voltage drive (low side) and is suitable for use in both body and chassis applications. The UCC21222D can be used to drive high-side and low-side MOSFETs up to 10A. It supports up to 5V logic and can be used with both CAN and LIN protocols. The UCC21222D can be used to drive rail-to-rail switching of DC/DC converters and power supplies, as well as in electronically-controlled throttle applications.The UCC21222D offers a variety of safety features such as latch-off protection, thermal shutdown protection, open load detection, and fault notification for overtemperature and overvoltage. It also supports selectable fault notification with various programmable fault flags, as well as a programmable input fault pin for pre-fault detection.

Working Principle of UCC21222D

The UCC21222D is a monolithic integrated circuit that combines a low-side driver and a high-side driver in a single package. The UCC21222D is specifically designed for 12V automotive systems and is capable of driving up to 10A of current through a single MOSFET switch. The UCC21222D utilizes a pulse width modulation (PWM) control scheme, which enables it to switch quickly and reliably between high- and low-side MOSFETs in order to drive the desired voltage.The UCC21222D requires a control signal to switch between the high- and low-side MOSFETs. The control signal is provided by a logic input, which can be connected to either a microcontroller or a dedicated power switch control circuit. The UCC21222D also has two enable pins that can be connected to either the positive or negative on-board power supply. When both enable pins are high, the UCC21222D is enabled and can drive the MOSFETs.The UCC21222D also includes an over-temperature detection circuit that will shut off the high and low-side drivers if the device’s temperature exceeds a predetermined threshold. This helps prevent damage to the UCC21222D due to excessive heat.

Conclusion

The UCC21222D is a low voltage and low power monolithic gate driver designed for automotive applications. It is a versatile gate driver that can be used in a wide range of automotive applications, from body and chassis applications to electronic throttle applications. It has a maximum driving current of 10A and is capable of switching quickly and reliably between the high- and low-side MOSFETs, due to its PWM control scheme. Additionally, the UCC21222D has built-in safety features to protect the device from damage caused by excessive heat and overvoltage.

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