ISL78227/9 Boost Controllers

Renesas offers its 2-phase boost controllers with integrated drivers

Image of Renesas' ISL78227/9 Boost ControllersRenesas' ISL78227/9 are automotive grade (AEC-Q100 Grade 1), 2-phase, 55 V synchronous boost controllers intended to simplify the design of high power boost applications. They integrate strong half-bridge drivers, an analog/digital tracking input, and comprehensive protection functions. ISL78227/9 enable a simple, modular design for systems requiring power and thermal scalability. They offer peak-current mode control for fast line response and simple compensation. Their synchronous 2-phase architecture enables them to support higher current while reducing the size of input and output capacitors. The integrated drivers feature programmable adaptive dead time control offering flexibility in power stage design. ISL78227 offers a 90° output clock and supports 1-, 2-, and 4-phases.

Features
  • Input/output voltage range: 5 V to 55 V, withstands 60 V transients
  • Supports synchronous or standard boost topology
  • Peak current mode control with adjustable slope compensation
  • Secondary average current control loop
  • Integrated 5 V 2 A sourcing/3 A sinking N-ch MOSFET drivers
  • Switching frequency: 50 kHz to 1.1 MHz per phase
  • External synchronization
  • Programmable minimum duty cycle
  • Programmable adaptive dead time control
  • Optional diode emulation and phase dropping
  • PWM and analog track function
  • Forced PWM operation with negative current limiting and protection
  • Comprehensive protection/fault reporting
  • Selectable hiccup or latch-off fault response
  • AEC-Q100 qualified, Grade 1: -40°C to 125°C
  • I2C/PMBus™ compatible digital interface
Applications
  • Automotive power systems (12 V to 24 V, 12 V to 48 V, and more)
    • Trunk audio amplifiers
    • Start-stop systems
    • Automotive boost applications
  • Industrial and telecommunication power supplies

ISL78227/9 Boost Controllers

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC REG CTRLR BOOST 32WFQFNISL78227ARZ-T7AIC REG CTRLR BOOST 32WFQFN9 - Immediate$33.57View Details
IC REG CTRLR BOOST PMBUS 40WFQFNISL78229ARZ-T7AIC REG CTRLR BOOST PMBUS 40WFQFN28 - Immediate$36.61View Details

Eval Boards

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR ISL78227ISL78227EV1ZEVAL BOARD FOR ISL782270 - Immediate$522.67View Details
EVAL BOARD FOR ISL78229ISL78229EV1ZEVAL BOARD FOR ISL782291 - Immediate$702.17View Details
Published: 2016-02-15