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ISL88708 from INTERSIL

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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**.

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