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STC4054GR from ST,ST Microelectronics

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15.625ms

STC4054GR

Manufacturer: ST

800mA STANDALONE LINEAR Li-Ion Battery charger with therminal regulation

Partnumber Manufacturer Quantity Availability
STC4054GR ST 6000 In Stock

Description and Introduction

800mA STANDALONE LINEAR Li-Ion Battery charger with therminal regulation The STC4054GR is a linear battery charger IC designed for single-cell lithium-ion or lithium-polymer batteries. Below are the key specifications, descriptions, and features based on the manufacturer's (STMicroelectronics) data:

### **Specifications:**  
- **Input Voltage Range:** 4.25V to 6.5V  
- **Charge Current:** Programmable up to 800mA  
- **Battery Voltage:** 4.2V ±1% (adjustable)  
- **Pre-Charge Current:** 10% of the programmed charge current  
- **Termination Current:** 10% of the programmed charge current  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT23-5  

### **Descriptions:**  
- The STC4054GR is a compact, cost-effective linear charger with integrated power MOSFET and thermal regulation.  
- It automatically switches between constant current (CC) and constant voltage (CV) charging modes.  
- Features a built-in charge termination function when the battery reaches full capacity.  

### **Features:**  
- **Thermal Regulation:** Reduces charge current if temperature exceeds a safe threshold.  
- **Auto-Recharge:** Automatically restarts charging if battery voltage drops below a threshold.  
- **Charge Status Indication:** Open-drain status output pin (CHRG) for monitoring charging state.  
- **Battery Protection:** Includes reverse discharge protection and overvoltage protection (OVP).  
- **Low Power Consumption:** Shutdown current < 1µA when not charging.  

For detailed application notes, refer to the official STMicroelectronics datasheet.

Partnumber Manufacturer Quantity Availability
STC4054GR ST,ST 3000 In Stock

Description and Introduction

800mA STANDALONE LINEAR Li-Ion Battery charger with therminal regulation The **STC4054GR** is a battery charge management controller from **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Input Voltage Range:** 4.25V to 6.5V  
- **Charge Current:** Programmable up to 800mA  
- **Pre-Charge Current:** 10% of the fast charge current  
- **Charge Termination:** Based on charge current level (C/10)  
- **Battery Voltage Detection:** Supports 4.2V Li-ion batteries  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT23-5  

### **Descriptions and Features:**  
- Linear charger for single-cell Li-ion/Li-polymer batteries  
- Integrated thermal regulation to prevent overheating  
- Automatic recharge when battery voltage drops below a threshold  
- Charge status indication via output pins  
- Low standby current when not charging  
- Overvoltage protection (OVP) on input  
- Short-circuit and reverse polarity protection  

This IC is designed for portable applications such as smartphones, tablets, and other battery-powered devices.

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