Home > Products > INTERSIL > ISL6247CR ISL6247 A Mobile Multi-Phase PWM Controller with Precision Current Sensing
ISL6247CR ISL6247 A Mobile Multi-Phase PWM Controller with Precision Current Sensing
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Product Details
| D/C | 10+ | Package | QFN | |
| Model Number | ISL6247CR | Type | Drive IC | |
| Brand Name | INTERSIL | Place of Origin | Taiwan, China |
Product Description
Product Description
Product Description
The ISL6247 provides microprocessor core-voltage
regulation by driving up to four interleaved synchronousrectified
buck-converter channels in parallel. Multi-phase
buck converter architecture uses interleaved timing to
multiply ripple frequency and reduce input and output ripple
currents. The reduction in ripple results in fewer
components, lower component cost, reduced power
dissipation, and smaller implementation area. The ISL6247
multi-phase controller together with ISL6207 gate drivers
forms the basis for a portable power supply solution to power
Intel’s next generation mobile microprocessors.
Intel Mobile Voltage Positioning (IMVP) is a smart voltage
regulation technology which effectively reduces power
dissipation in Intel® Pentium® Processors. The ISL6247
supports the IMVP-5 mobile processor voltage regulation
specifications. To boost battery life, the ISL6247 operates in
Active, Deep Sleep, or Deeper Sleep modes, depending
upon the logic levels at the DSEN# and DRSEN pins. A 6-bit
digital-to-analog converter (DAC) allows dynamic adjustment
of the core output voltage from 0.8375V to 1.6V. The
controller features a thermal monitor which sends a signal to
the microprocessor to reduce the load before power system
components exceed their maximum thermal limits, reducing
the thermal design complexity and overall core-voltage
regulation cost.
To improve efficiency, the ISL6247 allows users to select one
of two popular lossless current sense techniques. The
ISL6247 supports detection via inductor coil resistance
(DCR), or the rDS(ON) of the lower MOSFET. Either cost and
space-saving method provides feedback for precision droop,
channel current balancing, and individual channel
over-current protection. A unity gain, differential amplifier is
provided for remote voltage sensing. The differential
amplifier eliminates errors due to potential differences
between remote and local grounds. Eliminating ground
differences improves regulation and protection accuracy.
The channel switching frequency is adjustable in the range
of 200kHz to 1.0MHz, providing flexibility in managing the
balance between high-speed response, target efficiency, and
good thermal management.
Terms
Accepts wire transfer, Western union, Paypal and Moneygram.
All items are priced each.
All items are subject to availability and passing our QA inspection.
Packing & Delivery
Packaging: Safety package(Carton)
Shipping:
1. We will ship the items within 2 working days after the payment confirmed.
2. We can ship to you by UPS/DHL/TNT/EMS/FedEx/HK post/china post. Please contact us directly and we will use your preferred ways. For the Countries & Regions where EMS cannot deliver, please choose other shipping ways.
Our Services
Warranty:
1.Our side always double check all the products before delivery to make sure correct.
2.All components we sell has 30 days return policy from the day of shipment, but if the damage is man-made, we will be unable to change for you.
Contact Us
- Shenzhen Visen Electronic Co., Ltd.
- Contact nameVISEN SZ Chat Now
- Address, Shenzhen, Guangdong
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