ISL6614CR-T

Current - Peak Output (Source, Sink):	1.25A, 2A
Base Part Number:	ISL6614
Supplier Device Package:	16-QFN (4x4)
Package / Case:	16-VQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	26ns, 18ns
High Side Voltage - Max (Bootstrap):	36V
Input Type:	Non-Inverting
Series:	--
Logic Voltage - VIL, VIH:	--
Voltage - Supply:	10.8 V ~ 13.2 V
Gate Type:	N-Channel MOSFET
Number of Drivers:	4
Channel Type:	Synchronous
Driven Configuration:	Half-Bridge
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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ISL6614CR-T Application Field and Working Principle

ISL6614CR-T is a PMIC – Gate Drivers device from Intersil, belonging to their ISL6614 series, a range of low side load switches with integrated MOSFET. For a variety of power monitoring and control applications, the programmable gate driver IC includes a closed-loop reference tracking, Programmable Clock and Delay Timer, and other features.

Applications

The ISL6614CR-T is suitable for applications in telecom, networking and industrial systems. The device is typically used in cases where DC/DC conversion solutions are needed, covering the entire range of DC/DC Power Supply systems, including power over Ethernet (PoE) and Point of Load (PoL) converters, AC-DC and high-efficiency LED drivers. ISL6614CR-T is designed to enable a faster and easier design process and provides low board space requirements.

Features

The ISL6614CR-T uses an advanced, low gate charge MOSFET to reduce gate-shifting losses. An internal voltage regulator provides a high accuracy and low gate threshold voltage at 8V. The gate driver also has internal fault protection with a selectable and truly programmable open-drain or push-pull watchdog output for further safety. It also features a fast turn-on/off programmable gate drive and maintains a constant on-state resistance. In addition, a low gate charge MOSFET reduces gate-shifting losses, while a selectable open-drain or push-pull watchdog output provides fault protection.

Working Principle

The ISL6614CR-T PMIC – Gate Drivers device utilizes analog and digital components and a dual-level command system to monitor, control, and regulate multiple outputs. The pulse-width modulation (PWM) command system provides a control voltage for the MOSFET gate in order to regulate the on-time of the load. The voltage regulator then sets the reference voltage for the MOSFET gate drive and triggers the watchdog input to provide output fault protection.The ISL6614CR-T also includes a power up, prop delay, and programmable clock and delay timers to adjust the output timing. The device also offers an adjustable, double-cycle frequency to protect against unintended turn-off, dynamic dead-time control to eliminate shoot-through current, and a dynamic over-current protection (DOCP) to monitor the output. All of these features not only improve the efficiency and accuracy of the device, but also its reliability.

Conclusion

To sum up, The ISL6614CR-T is a low side load switch with integrated MOSFET designed for DC/DC conversion solutions in power monitoring and control applications. This PMIC – Gate Drivers device is suitable for telecom, networking and industrial systems, with an advanced, low gate charge MOSFET to reduce gate-shifting losses. The device includes an internal voltage regulator and a programmable gate drive that maintains a constant on-state resistance. It also uses a dual-level command system to monitor, control, and regulate multiple outputs and offers an adjustable, double-cycle frequency, dynamic dead-time control, and a dynamic over-current protection (DOCP).

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