新产品
Power Management
ISL6277A
December 2012
Multiphase PWM Regulator for AMD Fusion™ Mobile CPUs Using SVI 2.0
The ISL6277A is fully compliant with AMD Fusion™ SVI 2.0 and provides a complete solution for microprocessor and graphics processor core power. The ISL6277A controller supports two Voltage Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility. The Core VR can be configured for 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board area compared with two-chip solutions. More
ISL94212
December 2012
Multi-Cell Li-Ion Battery Manager
The ISL94212 is a Multi-cell Li-ion battery manager IC that supervises up to 12 series connected cells. The part performs accurate monitoring, cell balancing and extensive system diagnostics functions. Three cell balancing modes are provided: manual mode, timed mode and an auto-balance mode which terminates balancing functions when a (host microcontroller specified) charge transfer value has been met. More
ISL95873
December 2012
Buck PWM Controller with Internal Compensation and External Reference Tracking
The ISL95873 is a Single-Phase Synchronous-Buck PWM controller featuring Intersil’s proprietary R4™ Technology. The R4™ modulator has integrated compensation, fast transient performance, accurate switching frequency control, and excellent light-load efficiency. These technology advances, together with integrated MOSFET drivers and a Schottky bootstrap diode, allow for a high performance regulator that is highly compact and needs few external components. Differential remote sensing of the output voltage is an additional feature. For maximum efficiency, the converter automatically enters diode-emulation mode (DEM) during light-load conditions, such as system standby. More
ISL94203
December 2012
3-to-8 Cell Li-ion Battery Pack Monitor
The ISL94203 is a Li-ion battery monitor IC that supports from 3 to 8 series connected cells. It provides full battery monitoring and pack control. The ISL94203 provides automatic shutdown and recovery from out of bounds conditions and automatically controls pack cell balancing. More
ISL94208
December 2012
4- to 6-Cell Li-ion Battery Management Analog Front-End
The ISL94208 battery management IC is designed for use with a microcontroller and features an analog More
ISL8225M
November 2012
Dual 15A/Single 30A Step-Down Power Module
The ISL8225M is a fully-encapsulated step-down switching power supply that can deliver up to 100W output power from a small 17mm square PCB footprint. The two 15A outputs may be used independently or combined to deliver a single 30A output. Designing a high-performance board-mounted power supply has never been simpler -- only a few external components are needed to create a very dense and reliable power solution. More
ISL6446A
November 2012
Dual (180° Out-of-Phase) PWM and Linear Controller
The ISL6446A is a high-performance, triple output controller that provides a single high-frequency power solution primarily for Broadband, DSL and Networking applications. This device integrates complete control, monitoring and protection functions for two synchronous buck PWM controllers and one linear controller. Input voltage ripple and total RMS input current is substantially reduced by synchronized 180° out-of-phase operation of the two PWMs. More
ZL8101
October 2012
Adaptive Digital DC/DC PWM Controller with Auto Compensation
The ZL8101 is a digital PWM controller with auto compensation that is designed to work with either the ZL1505 MOSFET driver IC, ISL6611 Phase Doubler IC, or DrMOS type devices. Current sharing allows multiple devices to be connected in parallel to source loads with very high current demands. Adaptive performance optimization algorithms improve power conversion efficiency across the entire load range. Zilker Labs Digital-DC™ technology enables a blend of power conversion performance and power management features. More
ISL6625A
September 2012
Synchronous Rectified Buck MOSFET Drivers
The ISL6625A is a high frequency MOSFET driver designed to drive upper and lower power N-Channel MOSFETs in a synchronous rectified buck converter topology. More
ISL88732
September 2012
SMBus Level 2 Battery Charger with Boost Mode
The ISL88732 is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88732 is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency. The ISL88732 charges one to four Lithium-ion series cells, and delivers up to 8A charge current. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area. Low offset current-sense amplifiers provide high accuracy with 10mΩ sense resistors. The ISL88732 provides 0.5% end-of-charge battery voltage accuracy. More
ISL88736
September 2012
SMBus Level 2 Battery Charger with Boost Mode
The ISL88736 is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88736 is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power, such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency. The ISL88736 charges one to four Lithium-ion series cells, and delivers up to 8A charge current. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area. Low offset current-sense amplifiers provide high accuracy with 10mΩ sense resistors. The ISL88736 provides 0.5% end-of-charge battery voltage accuracy. More
ISL88733
September 2012
SMBus Level 2 Battery Charger
The ISL88733 is a highly integrated Lithium-ion battery charger controller, programmable over the SMBus system management bus (SMBus). The ISL88733 is intended to be used in a smart battery charger (SBC) within a smart battery system (SBS) that throttles the charge power such that the current from the AC-adapter is automatically limited. High efficiency is achieved with a DC/DC synchronous-rectifier buck converter, equipped with diode emulation for enhanced light load efficiency. The ISL88733 charges one to four Lithium-ion series cells, and delivers up to 8A charge current. Integrated MOSFET drivers and bootstrap diode result in fewer components and smaller implementation area. Low offset current-sense amplifiers provide high accuracy with 10mΩ sense resistors. The ISL88733 provides 0.5% end-of-charge battery voltage accuracy. More
ISL8200AM
September 2012
Complete Current Share 10A DC/DC Power Module
The ISL8200AM is a simple and easy to use high power, current-sharing DC/DC power module for Datacom/Telecom/FPGA power hungry applications. All that is needed is the ISL8200AM, a few passive components and one VOUT setting resistor to have a complete 10A design ready for market. More
ISL6367H
September 2012
Green Hybrid Digital Dual 6-Phase + 1-Phase PWM Controller for R12.5/VR12/IMVP7 Applications With SMBus/PMBus/I2C
The ISL6367H is a Hybrid Digital dual PWM controller and is designed to be compliant to Intel VR12.5/VR12/IMVP7 specifications. Its 6-phase PWMs control the microprocessor core or memory voltage regulator, while its single-phase PWM controls the peripheral voltage regulator for graphics, system agent, or processor I/O. It includes programmable functions and telemetries for easy use, high system flexibility and overclocking applications using SMBus, PMBus, or I2C interface, which is designed to be conflict free with CPU’s SVID bus. This hybrid digital approach eliminates the need for NVM and Firmware often seen in a full digital solution and significantly reduces design complexity, inventory and manufacturing costs. More
ISL6377
August 2012
AMD Fusion™ Desktop CPUs Using SVI 2.0
The ISL6377 is fully compliant with AMD Fusion™ SVI 2.0 and provides a complete solution for microprocessor and graphics processor core power. The ISL6377 controller supports two Voltage Regulators (VRs) with three integrated gate drivers and three optional external drivers for maximum flexibility. The Core VR can be configured for 4-, 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board area compared with two-chip solutions. More
ISL6446
August 2012
Dual (180° Out-of-Phase) PWM and Linear Controller
The ISL6446 is a high-performance, triple output controller that provides a single high-frequency power solution primarily for Broadband, DSL and Networking applications. This device integrates complete control, monitoring and protection functions for two synchronous buck PWM controllers and one linear controller. Input voltage ripple and total RMS input current is substantially reduced by synchronized 180° out-of-phase operation of the two PWMs. More
ISL1904
August 2012
Dimmable AC Mains LED Driver with PFC and Primary Side Regulation
The ISL1904 is a high-performance, critical conduction mode (CrCM), flyback controller used for single-stage conversion of the AC mains to a constant current source with power factor correction (PFC). The controller regulates the output current by monitoring the primary side switching current so the feedback signal does not cross the isolation barrier. Operation in CrCM allows near zero-voltage quasi-resonant switching (ZVS) for improved efficiency while maximizing magnetic core utilization. The ISL1904 LED driver provides all of the features required for high-performance dimmable LED ballast designs and supports AC or DC input, isolated or non-isolated flyback and boost topologies. This advanced BiCMOS controller features all of the functions required to design low cost low parts count LED driver. More
ISL1903
August 2012
Dimmable Buck LED Driver - AC Mains or DC Input LED Driver
The ISL1903 is a high-performance, critical conduction mode (CrCM), single-ended buck LED driver controller. It may be used with DC input converters, but also supports single-stage conversion of the AC mains to a constant current source with power factor correction (PFC). The ISL1903 supports buck converter topologies, such as isolated forward converters or non-isolated source return buck converters. Operation in CrCM allows near zero-voltage switching (ZVS) for improved efficiency while maximizing magnetic core utilization. More
ISL9113
July 2012
Low Input Voltage and High Efficiency Synchronous Boost Converter with 1.3A Switch
The ISL9113 provides a power supply solution for devices powered by three-cell alkaline, NiCd, NiMH, or one-cell Li-Ion/Li-Polymer batteries. It offers both a fixed 5V or an adjustable output option for USB-OTG or portable HDMI applications. The device is guaranteed to supply 500mA from a 3V input and 5V output, and has a typical 1.3A peak current limit. High 1.8MHz switching frequency allows the use of tiny, low-profile inductors and ceramic capacitors to minimize the size of the overall solution. More
ISL1801
July 2012
sPMIC for Micro-Converter Bias and Drivers
The ISL1801 is a power management IC (PMIC) optimized for solar array micro-converters and other systems operating from a high voltage DC supply. The ISL1801 can be used in buck, boost or buck-boost micro-converter topologies in order to maximize the energy harvest from a solar array. In addition to the power stage and main controller, the ISL1801 includes the bias regulators, gate drivers, current sense amplifier and comparators needed for micro-converters. More
ISL62771
June 2012
Multiphase PWM Regulator for AMD Fusion™ Mobile CPUs Using SVI 2.0
The ISL62771 is fully compliant with AMD Fusion™ SVI 2.0 and provides a complete solution for microprocessor and graphics processor core power. The ISL62771 controller supports two Voltage Regulators (VRs) with three integrated gate drivers. The Core VR supports 2-, or 1-phase configurations while the Northbridge VR supports 1-phase operation. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board area compared with two-chip solutions. More
ISL9110A
May 2012
1.2A High Efficiency Buck-Boost Regulator
The ISL9110A is a highly-integrated Buck-Boost switching regulator that accepts input voltages either above or below the regulated output voltage. Unlike other Buck-Boost regulators, this regulator automatically transitions between operating modes without significant output disturbance. More
ISL6328A
April 2012
Dual PWM Controller For Powering AMD SVI Split-Plane Processors
The ISL6328A dual PWM controller delivers high efficiency and tight regulation from two synchronous buck DC/DC converters. The ISL6328A supports power control of AMD processors, which operate from a serial VID interface (SVI). The dual output ISL6328A features a multi-phase controller to support the Core voltage (VDD) and a single phase controller to power the Northbridge (VDDNB). More
ISL6367
April 2012
Green Hybrid Digital Dual 6+1 Phase PWM Controller for VR12/IMVP7 Applications With SMBus/PMBus/I2C and AUTO Phase
The ISL6367 is a Hybrid Digital dual PWM controller and is designed to be compliant to Intel VR12/IMVP7 specifications. Its 6-phase PWMs control the microprocessor core or memory voltage regulator, while its single-phase PWM controls the peripheral voltage regulator for graphics, system agent, or processor I/O. It includes programmable functions and telemetries for easy use, high system flexibility and overclocking applications using SMBus, PMBus, or I2C (Modified) interface, which is designed to be conflict free with CPU’s SVID bus. This hybrid digital approach eliminates the need of NVM and Firmware often seen in a full digital solution and significantly reduces design complexity, inventory and manufacture cost. More
ISL6364A
April 2012
Green Dual 4+1 PWM Controller for VR12/IMVP7 Applications with AUTO Phase Shedding
The ISL6364A is a dual PWM controller; its 4-phase PWMscontrol the microprocessor core or the memory voltageregulator, while its single-phase PWM controls the peripheralvoltage regulator for graphics, system agent, or processor I/O. More
ISL80111
March 2012
Ultra Low Dropout 1A Low Input Voltage NMOS LDOs
The ISL80111, ISL80112, and ISL80113 are ultra low dropout LDOs providing the optimum balance between performance, size and power consumption in size constrained designs for data communication, computing, storage and medical applications. These LDOs are specified for 1A, 2A and 3A of output current and are optimized for low voltage conversions. Operating with a VIN of 1V to 3.6V and with a legacy 3.3V to 5V on the BIAS, the VOUT is adjustable from 0.8V to 3.3V. With a VIN PSRR greater than 40dB at 100kHz makes these LDOs an ideal choice in noise sensitive applications. The guaranteed ±1.6% VOUT accuracy overall conditions lends these parts to suppling an accurate voltage to the latest low voltage digital ICs. More
ISL80112
March 2012
Ultra Low Dropout 2A Low Input Voltage NMOS LDOs
The ISL80111, ISL80112, and ISL80113 are ultra low dropout LDOs providing the optimum balance between performance, size and power consumption in size constrained designs for data communication, computing, storage and medical applications. These LDOs are specified for 1A, 2A and 3A of output current and are optimized for low voltage conversions. Operating with a VIN of 1V to 3.6V and with a legacy 3.3V to 5V on the BIAS, the VOUT is adjustable from 0.8V to 3.3V. With a VIN PSRR greater than 40dB at 100kHz makes these LDOs an ideal choice in noise sensitive applications. The guaranteed ±1.6% VOUT accuracy overall conditions lends these parts to suppling an accurate voltage to the latest low voltage digital ICs. More
ISL80113
March 2012
Ultra Low Dropout 3A Low Input Voltage NMOS LDOs
The ISL80111, ISL80112, and ISL80113 are ultra low dropout LDOs providing the optimum balance between performance, size and power consumption in size constrained designs for data communication, computing, storage and medical applications. These LDOs are specified for 1A, 2A and 3A of output current and are optimized for low voltage conversions. Operating with a VIN of 1V to 3.6V and with a legacy 3.3V to 5V on the BIAS, the VOUT is adjustable from 0.8V to 3.3V. With a VIN PSRR greater than 40dB at 100kHz makes these LDOs an ideal choice in noise sensitive applications. The guaranteed ±1.6% VOUT accuracy overall conditions lends these parts to suppling an accurate voltage to the latest low voltage digital ICs. More
ISL78322
March 2012
Dual 2A/1.7A Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator
The ISL78322 is a high efficiency, dual synchronous step-down DC/DC regulator that can deliver up to 2A/1.7A continuous output current per channel. The channels are 180° More
ISL95838
March 2012
Dual 3+2 PWM Controller for IMVP-7/VR12™ CPUs
The ISL95838 Pulse Width Modulation (PWM) controller IC provides a complete solution for IMVP-7/VR12™ compliant microprocessor and graphic processor core power supplies. It provides the control and protection for two Voltage Regulators (VRs). The first VR, typical for Vcore, incorporates 2 integrated drivers and can operate in 3-, 2- or 1-phase configurations. The second VR, typical for Graphics, can operate in 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the CPU and achieve lower cost and smaller board area compared with the two-chip approach. More
ISL95875
March 2012
PWM DC/DC Controllers with VID Inputs for Portable GPU Core-Voltage Regulator
The ISL95874, ISL95875, ISL95876 ICs are Single-Phase Synchronous-Buck PWM regulators featuring Intersils proprietary R4 Technology™. The wide 3.3V to 25V input voltage range is ideal for systems that run on battery or AC-adapter power sources. The ISL95875 and ISL95876 are low-cost solutions for applications requiring dynamically selected slew-rate controlled output voltages. The soft-start and dynamic setpoint slew-rates are capacitor programmed. Voltage identification logic-inputs select four (ISL95875, ISL95876) resistor-programmed setpoint reference voltages that directly set the output voltage of the converter between 0.5V and 1.5V, and up to 5V with a feedback voltage divider. More
ISL62773
March 2012
Multiphase PWM Regulator for AMD Fusion™ Desktop CPUs Using SVI 2.0
The ISL62773 is fully compliant with AMD Fusion™ SVI 2.0 and provides a complete solution for desktop microprocessor and graphics processor core power. The ISL62773 controller supports two Voltage Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility. The Core VR can be configured for 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board area compared with two-chip solutions. More
ISL6277
March 2012
Multiphase PWM Regulator for AMD Fusion™ Mobile CPUs Using SVI 2.0
The ISL6277 is fully compliant with AMD Fusion™ SVI 2.0 and provides a complete solution for microprocessor and graphics processor core power. The ISL6277 controller supports two Voltage Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility. The Core VR can be configured for 3-, 2-, or 1-phase operation while the Northbridge VR supports 2- or 1-phase configurations. The two VRs share a serial control bus to communicate with the AMD CPU and achieve lower cost and smaller board area compared with two-chip solutions. More
ISL9307
March 2012
3MHz Dual 1500mA Step-Down Converters and Dual Low-Input LDOs
The ISL9307 is an integrated mini Power Management IC (mini-PMIC) ideal for applications for powering More
ISL8130
February 2012
Advanced Single Universal Pulse-Width Modulation (PWM) Controller
The ISL8130 is a versatile controller that integrates control, output adjustment, monitoring and protection functions into a single package for synchronous buck, standard boost, SEPIC and flyback topologies. More
ZL2101
January 2012
6A Digital Synchronous Step-Down DC/DC Converter with Auto Compensation
The ZL2101 is a 6A digital converter with auto compensation and integrated power management that combines an integrated synchronous step-down DC/DC converter with key power management functions in a small package, resulting in a flexible and integrated solution. More
