IC Phoenix logo

Home ›  I  › I44 > ISL6251AHAZ

ISL6251AHAZ from INTERSIL

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

ISL6251AHAZ

Manufacturer: INTERSIL, INFINEON

Low Cost Multi-Chemistry Battery Charger Controller

Partnumber Manufacturer Quantity Availability
ISL6251AHAZ INTERSIL, INFINEON 16809 In Stock

Description and Introduction

Low Cost Multi-Chemistry Battery Charger Controller The **ISL6251AHAZ** is a battery charger controller IC manufactured by **Infineon Technologies**. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Infineon Technologies  
- **Package:** 28-Lead QFN (Quad Flat No-Lead)  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable for 2 to 4 series Li-ion/Li-polymer cells  
- **Charging Current:** Programmable up to 8A  
- **Switching Frequency:** 300kHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Efficiency:** High efficiency synchronous buck converter  

### **Descriptions:**
- The ISL6251AHAZ is a highly integrated battery charger controller designed for **Li-ion/Li-polymer battery packs** in notebook computers and portable devices.  
- It supports **AC adapter and USB power input selection**, enabling flexible power source management.  
- The IC includes **adaptive battery charging** with voltage and current regulation for optimal charging performance.  

### **Features:**
- **Dual Input Power Path:** Supports both AC adapter and USB power inputs.  
- **Programmable Charge Parameters:** Adjustable output voltage and current.  
- **High-Side Current Sensing:** Enables accurate current measurement.  
- **Power Good Indicator:** Monitors input and output conditions.  
- **Thermal Regulation:** Prevents overheating during charging.  
- **Overvoltage and Overcurrent Protection:** Safeguards the battery and system.  
- **Low Quiescent Current:** Improves power efficiency in standby mode.  

This information is strictly based on Infineon's datasheet and technical documentation for the ISL6251AHAZ.

Application Scenarios & Design Considerations

Low Cost Multi-Chemistry Battery Charger Controller

Alternative Part Number

  • BQ24725ARGRR --: Multi-chemistry battery charger controller with SMBus control, functionally similar to the ISL6251A and widely used in notebook charging designs.
  • MAX1771CSA+ --: Step-up/step-down battery charger controller offering comparable charging control functions and a different series naming for easy distinction.
  • LTC4002ES8-8.4 --: Standalone lithium-ion battery charger controller with similar charge-management role, suitable as a cross-series alternative.
  • BQ24725A --: Multi-cell battery charger controller with SMBus interface, functionally similar to the ISL6251A charger controller and widely used as a drop-in alternative in notebook charging designs.
  • MAX1771 --: Step-up/step-down switching regulator controller that can serve similar power-conversion roles; different series and pinout, suitable when the charger function is implemented discretely.
  • LTC4002 --: Standalone lithium-ion battery charger controller offering comparable charging control functionality with a different naming series, usable as an alternative in battery charger circuits.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips