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L9821 from ST,ST Microelectronics

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L9821

Manufacturer: ST

HIGH SIDE DRIVER

Partnumber Manufacturer Quantity Availability
L9821 ST 129 In Stock

Description and Introduction

HIGH SIDE DRIVER The part **L9821** is manufactured by **STMicroelectronics (ST)**.  

### **Specifications:**  
- **Type:** Octal Low-Side Driver  
- **Output Configuration:** Low-Side  
- **Number of Outputs:** 8  
- **Output Current per Channel:** Up to 1.5A  
- **Voltage - Supply (Vcc/Vdd):** 4.5V to 5.5V  
- **Operating Temperature:** -40°C to +150°C  
- **Package / Case:** PowerSSO-24  
- **Mounting Type:** Surface Mount  
- **Features:**  
  - Overcurrent Protection  
  - Thermal Shutdown  
  - Diagnostic Feedback  
  - Serial Peripheral Interface (SPI) Control  
  - High-Side and Low-Side Driver Capability  

### **Description:**  
The **L9821** is an 8-channel low-side driver designed for automotive and industrial applications. It integrates protection features such as overcurrent and thermal shutdown while allowing control via an SPI interface.  

### **Features:**  
- **SPI Interface** for digital control  
- **Diagnostic Feedback** for fault detection  
- **High Current Drive Capability** (1.5A per channel)  
- **Wide Operating Voltage Range** (4.5V to 5.5V)  
- **Robust Protection** (thermal shutdown, overcurrent)  
- **Automotive-Grade Reliability**  

For detailed datasheets, refer to **STMicroelectronics' official documentation**.

Application Scenarios & Design Considerations

HIGH SIDE DRIVER

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