IC Phoenix logo

Home ›  I  › I47 > ISL88708

ISL88708 from INTERSIL

Fast Delivery, Competitive Price @IC-phoenix

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

ISL88708

Manufacturer: INTERSIL

礟 Supervisor with Watchdog Timer, Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset

Partnumber Manufacturer Quantity Availability
ISL88708 INTERSIL 950 In Stock

Description and Introduction

礟 Supervisor with Watchdog Timer, Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset The **ISL88708** is a battery charger controller manufactured by **INTERSIL** (now part of **Renesas Electronics**). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 28V  
- **Charging Voltage Range:** Adjustable up to 19.2V  
- **Charge Current:** Programmable up to 8A  
- **Battery Chemistry Support:** 2-4 series Li-ion/Li-polymer  
- **Switching Frequency:** 300kHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-lead QFN (5mm x 5mm)  

### **Descriptions:**
- The ISL88708 is a **high-efficiency synchronous buck battery charger controller** designed for notebook and portable devices.  
- It supports **AC adapter and USB Type-C power delivery (PD) input sources**.  
- Features **adaptive system power management** to optimize battery charging and system power delivery.  
- Includes **I²C interface** for programmability and telemetry.  

### **Features:**
- **Wide Input Voltage Range (4.5V–28V)** – Supports multiple power sources.  
- **Dynamic Power Management (DPM)** – Balances system and battery power.  
- **Programmable Charge Parameters** – Adjustable voltage, current, and safety timers.  
- **Integrated MOSFET Drivers** – Reduces external component count.  
- **Protection Features:**  
  - Input overvoltage (OVP)  
  - Battery overvoltage (OVP)  
  - Thermal shutdown  
  - Reverse current protection  

This information is based on the manufacturer's datasheet and technical documentation. For detailed design considerations, refer to the official **ISL88708 datasheet**.

Application Scenarios & Design Considerations

礟 Supervisor with Watchdog Timer, Power-Fail Comparator, Manual Reset and Adjustable Power-On Reset

Alternative Part Number

  • TPS23861 --: Quad PSE controller for Power over Ethernet with comparable integrated MOSFET and current-sense functionality, widely used as a drop-in alternative to ISL88708 PoE PSE controllers.
  • LTC4266 --: Quad IEEE 802.3at PoE PSE controller offering similar port count, detection/classification and current-limit features, suitable replacement for ISL88708 designs.
  • MAX5971 --: Single-port PoE PSE controller with integrated MOSFET and current sensing, usable where ISL88708 channel functions are needed in a different vendor series.

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