ISL6236

High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers
3,180 有效庫存

ISL6236

有效庫存3,180

High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers

  • 製造商零件號 # : ISL6236

  • 包裝/封裝: QFN

  • 製造商: INFINEON

  • 產品分類 : Switching Regulator or Controllers

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ISL6236 數據表
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詳細說明

High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook ComputersThe ISL6236 dual step-down, switch-mode power-supply (SMPS) controller generates logic-supply voltages in battery-powered systems. The ISL6236 include two pulse-width modulation (PWM) controllers, 5V/3.3V and 1.5V/1.05V. The output of SMPS1 can also be adjusted from 0.7V to 5.5V. The SMPS2 output can be adjusted from 0V to 2.5V by setting REFIN2 voltage.Features • Wide Input Voltage Range 5.5V to 25V • Dual Fixed 1.05V/3.3V and 1.5V/5.0V Outputs or Adjustable 0.7V to 5.5V (SMPS1) and 0V to 2.5V(SMPS2), ±1.5% Accuracy • Secondary Feedback Input (Maintains Charge Pump Voltage) • 1.7ms Digital Soft-Start and Independent Shutdown • Fixed 3.3V/5.0V, or Adjustable Output 0.7V to 4.5V, ±1.5% (LDO): 200mA • 3.3V Reference Voltage ±2.0%: 5mA • 2.0V Reference Voltage ±1.0%: 50µA • Constant ON-time Control with 100ns Load-Step Response • Frequency Selectable • rDS(ON) Current Sensing • Programmable Current Limit with Foldback Capability • Selectable PWM, Skip or Ultrasonic Mode • BOOT Voltage Monitor with Automatic Refresh • Independent POK1 and POK2 Comparators • Soft-Start with Pre-Biased Output and Soft-Stop • Independent ENABLE • High Efficiency - up to 97% • Very High Light Load Efficiency (Skip Mode) • 5mW Quiescent Power Dissipation • Thermal Shutdown • Extremely Low Component Count • Pb-Free (RoHS Compliant)Applications • Notebook and Sub-Notebook Computers • PDAs and Mobile Communication Devices • 3-Cell and 4-Cell Li+ Battery-Powered Devices • DDR1, DDR2 and DDR3 Power Supplies • Graphic Cards • Game Consoles • Telecommunications

主要特徵

  • Wide Input Voltage Range 5.5V to 25V
  • Dual Fixed 1.05V/3.3V and 1.5V/5.0V Outputs or Adjustable 0.7V to 5.5V (SMPS1) and 0V to 2.5V(SMPS2), ±1.5% Accuracy
  • Secondary Feedback Input (Maintains Charge Pump Voltage)
  • 1.7ms Digital Soft-Start and Independent Shutdown
  • Fixed 3.3V/5.0V, or Adjustable Output 0.7V to 4.5V, ±1.5% (LDO): 200mA
  • 3.3V Reference Voltage ±2.0%: 5mA
  • 2.0V Reference Voltage ±1.0%: 50µA
  • Constant ON-time Control with 100ns Load-Step Response
  • Frequency Selectable
  • rDS(ON) Current Sensing
  • Programmable Current Limit with Foldback Capability
  • Selectable PWM, Skip or Ultrasonic Mode
  • BOOT Voltage Monitor with Automatic Refresh
  • Independent POK1 and POK2 Comparators
  • Soft-Start with Pre-Biased Output and Soft-Stop
  • Independent ENABLE
  • High Efficiency - up to 97%
  • Very High Light Load Efficiency (Skip Mode)
  • 5mW Quiescent Power Dissipation
  • Thermal Shutdown
  • Extremely Low Component Count
  • Pb-Free (RoHS Compliant)

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Manufacturer Renesas Product Category ! IC Chips

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 ISL6236 PDF 下載

常見問題解答

What is ISL6236?

The ISL6236 is a highly integrated single-cell Li-ion or Li-polymer battery charger controller designed by Renesas Electronics Corporation. It is ideal for portable devices, mobile phones, digital cameras, and other handheld applications requiring battery charging functionality.

How Does ISL6236 Work?

The ISL6236 works by controlling the charging process of single-cell lithium-ion or lithium-polymer batteries. It regulates the charging current, voltage, and safety features such as thermal regulation and overvoltage protection. The controller ensures safe and efficient charging of the battery while preventing overcharging and overdischarging.

How Many Pins does ISL6236 have and What are the Functions of the Pinout Configuration?

The ISL6236 is housed in a 16-lead QFN (Quad Flat No-leads) package. The pinout configuration includes:

  • VBAT: Battery voltage input.
  • TS, THM: Temperature sensing and thermal regulation pins.
  • CE: Charge enable pin.
  • PROG: Charge current programming pin.
  • STS, DSG, SYS, BAT: Status and control pins.
  • AC, ACDET: AC adapter input and detection pins.
  • PG: Power good output pin.
  • CC, CEBAT, VFB, LIM: Charging regulation and feedback pins.

What are the Pros and Cons of ISL6236?

Pros:

  • Integrated Solution: Offers a highly integrated solution for single-cell battery charging applications.
  • Efficiency: Provides efficient and reliable charging while protecting the battery from damage.
  • Thermal Regulation: Includes thermal regulation features for enhanced safety during charging.
  • Compact Package: Housed in a space-saving QFN package, suitable for compact designs.
  • AC Adapter Detection: Supports AC adapter detection for seamless transition between battery and external power sources.

Cons:

  • Single-Cell Limitation: Designed for single-cell battery applications and may not be suitable for multi-cell configurations.
  • External Components: May require external components such as MOSFETs and passive components for complete charging circuitry.

Are There Any Equivalents/Alternatives to ISL6236 for Recommendation?

  • The BQ24075 from Texas Instruments is a similar single-cell Li-ion or Li-polymer battery charger IC.
  • Alternatives to the ISL6236 include the MCP73831 from Microchip Technology and the MAX1555 from Maxim Integrated.

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