HIP6602BCB

Current - Peak Output (Source, Sink):	--
Base Part Number:	HIP6602B
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C (TJ)
Rise / Fall Time (Typ):	20ns, 20ns
High Side Voltage - Max (Bootstrap):	15V
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Part Status:	Obsolete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:	Tube

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Introduction
The HIP6602BCB is a dynamic current mode PWM switching controller/gate driver for digital power applications. It is a universal control IC for digital power supplies including backplanes, isolated converters and isolated rectifiers. Its features include high power factor, unique ramping function, tight voltage and frequency control, closed loop control and improved dead time. This article will discuss the application fields and working principles of the HIP6602BCB gate driver, and give a brief introduction on the product and its usage.Application Fields
The HIP6602BCB is designed to provide accurate and reliable dynamic control of switching power supplies in systems where critical load and line conditions must be maintained. It is suitable for use in AC/DC, active-front-end, bi-directional and isolated DC/DC applications such as high power backplane systems, industry-level isolated sum-converters, open-frame tracking converters, non-isolated Flyback, forward and half-bridge power supplies.Features
The HIP6602BCB gate driver provides the following features:

• Programmable current limit
• Programmable minimum on-time
• Slope compensation
• Programmable dead time
• Soft-start/soft-stop
• Momentary overload protection
• Linear current mode control
• Hiccup mode

Working Principle
The working principle of the HIP6602BCB is based on the principle of dynamic current mode power factor correction. This means that the current limiting and voltage regulation levels of the gate driver are dynamically adjusted in order to achieve a high power factor and stability performance.The gate driver utilizes a linear current mode control circuit to regulate the current through the switching semiconductor. It detects the changes in voltage and current on the load line and adjusts the current limit and the duty cycle of the switching signal in order to maintain an optimal power factor.The current limit is adjusted using an internal adjustable peak current limit. This adjustable peak current limit is then used to determine the maximum peak current for the switching signal.The HIP6602BCB also features an adjustable minimum on-time and an adjustable ramp compensation. The minimum on-time is used to ensure that the semiconductor does not turn off too quickly, which can cause instability. The adjustable ramp compensation is used to reduce the rate of change of the current and therefore reduce the likelihood of overshoot and undershoot.Conclusion
The HIP6602BCB is a dynamic current mode PWM switching controller/gate driver that is designed to maintain a high power factor, stability and accuracy in AC/DC, active-front-end, bi-directional, and isolated DC/DC applications. The gate driver utilizes a linear current mode control circuit to regulate the current through the switching semiconductor, while utilizing an adjustable peak current limit, adjustable minimum on-time, and adjustable ramp compensation to achieve optimal results.

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