HIP6019B Advanced Dual PWM and Dual Linear Power Control

VIN (min) (V)	5
VIN (max) (V)	5
VOUT (min) (V)	1.3
VOUT (max) (V)	2.5
IOUT (max) (A)	25

The HIP6019B provides the power control and protection for four output voltages in high-performance microprocessor and computer applications. The IC integrates two PWM controllers, a linear regulator and a linear controller as well as the monitoring and protection functions into a single 28 lead SOIC package. One PWM controller regulates the microprocessor core voltage with a synchronous-rectified buck converter, while the second PWM controller supplies the computer's 3.3V power with a standard buck converter. The linear controller regulates power for the GTL bus and the linear regulator provides power for the clock driver circuits.

The HIP6019B includes an Intel-compatible, TTL 5-input digital-to-analog converter (DAC) that adjusts the core PWM output voltage from 2.1VDC to 3.5VDC in 0.1V increments and from 1.3VDC to 2.05VDC in 0.05V steps. The precision reference and voltage-mode control provide ±1% static regulation. The second PWM controller is user-adjustable for output levels between 3.0V and 3.5V with ±2% accuracy. The adjustable linear regulator uses an internal pass device to provide 2.5V ±2.5%. The adjustable linear controller drives an external N-Channel MOSFET to provide 1.5V ±2.5%.

The HIP6019B monitors all the output voltages. A single Power Good signal is issued when the core is within ±10% of the DAC setting and the other levels are above their under- voltage levels. Additional built-in over-voltage protection for the core output uses the lower MOSFET to prevent output voltages above 115% of the DAC setting. The PWM controller's over-current functions monitor the output current by sensing the voltage drop across the upper MOSFET's rDS(ON), eliminating the need for a current sensing resistor.

HIP6019B 特点

Provides 4 Regulated Voltages
- Microprocessor Core, I/O, Clock Chip and GTL Bus
Drives N-Channel MOSFETs
Operates from +5V and +12V Inputs
Simple Single-Loop Control Designs
- Voltage-Mode PWM Control
Fast Transient Response
- High-Bandwidth Error Amplifiers
- Full 0% to 100% Duty Ratios
Excellent Output Voltage Regulation
- Core PWM Output: ±1% Over Temperature
- I/O PWM Output: ±2% Over Temperature
- Other Outputs: ±2.5% Over Temperature
TTL-Compatible 5-Bit Digital-to-Analog Core Output Voltage Selection
- Wide Range 1.3VDC to 3.5VDC
- 0.1V Steps 2.1VDC to 3.5VDC
- 0.05V Steps 1.3VDC to 2.05VDC
Power-Good Output Voltage Monitor
Microprocessor Core Voltage Protection Against Shorted MOSFET
Over-Voltage and Over-Current Fault Monitors
- Does Not Require Extra Current Sensing Element, Uses MOSFET's rDS(ON)
Small Converter Size
- Constant Frequency Operation
- 200kHz Free-Running Oscillator; Programmable from 50kHz to 1MHz
Pb-Free Available (RoHS Compliant)

HIP6019B 应用

Full Motherboard Power Regulation for Computers
Low-Voltage Distributed Power Supplies

HIP6019B 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图	潮湿敏感度等级MSL	美元价格US $
HIP6019BCBZ	量产	民用级	28 Ld SOIC	3	3.56
HIP6019BCBZ-T	量产	民用级	28 Ld SOIC T+R	3	3.56
HIP6019BEVAL1	量产		评估板	N/A	价格录入中
HIP6019BCB	To Be Discontinued	民用级	28 Ld SOIC	2	4.27
HIP6019BCB-T	To Be Discontinued	民用级	28 Ld SOIC T+R	2	4.27